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authorunknown <pem@mysql.com>2003-03-27 12:09:11 +0100
committerunknown <pem@mysql.com>2003-03-27 12:09:11 +0100
commit908c9d7acfdd8f3345f9fc6edc9e2e627090d743 (patch)
tree3dbe93fb3b28f4aa6b8445c9b4aaa8c2ee776e02 /sql
parentaf90350eb9439e18286d3ba25c274402526ad0dc (diff)
parentdef0cffeaafe66d48687bf2a22137e83d85da789 (diff)
downloadmariadb-git-908c9d7acfdd8f3345f9fc6edc9e2e627090d743.tar.gz
Merged 4.1 into 5.0.
BitKeeper/etc/gone: auto-union BitKeeper/etc/logging_ok: auto-union client/mysql.cc: Auto merged client/mysqltest.c: Auto merged configure.in: Auto merged libmysqld/Makefile.am: Auto merged sql/item.h: Auto merged sql/item_func.h: Auto merged sql/lex.h: Auto merged sql/mysql_priv.h: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_lex.cc: Auto merged sql/sql_lex.h: Auto merged sql/share/polish/errmsg.txt: Auto merged sql/share/russian/errmsg.txt: Auto merged sql/sql_select.cc: Auto merged
Diffstat (limited to 'sql')
-rw-r--r--sql/Makefile.am6
-rw-r--r--sql/item.cc18
-rw-r--r--sql/item.h53
-rw-r--r--sql/item_func.cc74
-rw-r--r--sql/item_func.h66
-rw-r--r--sql/lex.h22
-rw-r--r--sql/mysql_priv.h2
-rw-r--r--sql/share/czech/errmsg.txt12
-rw-r--r--sql/share/danish/errmsg.txt12
-rw-r--r--sql/share/dutch/errmsg.txt12
-rw-r--r--sql/share/english/errmsg.txt12
-rw-r--r--sql/share/estonian/errmsg.txt12
-rw-r--r--sql/share/french/errmsg.txt12
-rw-r--r--sql/share/german/errmsg.txt12
-rw-r--r--sql/share/greek/errmsg.txt12
-rw-r--r--sql/share/hungarian/errmsg.txt12
-rw-r--r--sql/share/italian/errmsg.txt12
-rw-r--r--sql/share/japanese/errmsg.txt12
-rw-r--r--sql/share/korean/errmsg.txt12
-rw-r--r--sql/share/norwegian-ny/errmsg.txt12
-rw-r--r--sql/share/norwegian/errmsg.txt12
-rw-r--r--sql/share/polish/errmsg.txt12
-rw-r--r--sql/share/portuguese/errmsg.txt12
-rw-r--r--sql/share/romanian/errmsg.txt12
-rw-r--r--sql/share/russian/errmsg.txt12
-rw-r--r--sql/share/serbian/errmsg.txt12
-rw-r--r--sql/share/slovak/errmsg.txt12
-rw-r--r--sql/share/spanish/errmsg.txt12
-rw-r--r--sql/share/swedish/errmsg.txt12
-rw-r--r--sql/share/ukrainian/errmsg.txt12
-rw-r--r--sql/sp.cc391
-rw-r--r--sql/sp.h65
-rw-r--r--sql/sp_head.cc525
-rw-r--r--sql/sp_head.h360
-rw-r--r--sql/sp_pcontext.cc127
-rw-r--r--sql/sp_pcontext.h155
-rw-r--r--sql/sp_rcontext.h95
-rw-r--r--sql/sql_class.cc55
-rw-r--r--sql/sql_class.h16
-rw-r--r--sql/sql_lex.cc17
-rw-r--r--sql/sql_lex.h9
-rw-r--r--sql/sql_parse.cc241
-rw-r--r--sql/sql_select.cc3
-rw-r--r--sql/sql_yacc.yy678
44 files changed, 3172 insertions, 82 deletions
diff --git a/sql/Makefile.am b/sql/Makefile.am
index b1d9149ddf4..1f00cfbd9e0 100644
--- a/sql/Makefile.am
+++ b/sql/Makefile.am
@@ -57,7 +57,8 @@ noinst_HEADERS = item.h item_func.h item_sum.h item_cmpfunc.h \
lex.h lex_symbol.h sql_acl.h sql_crypt.h \
log_event.h mini_client.h sql_repl.h slave.h \
stacktrace.h sql_sort.h sql_cache.h set_var.h \
- spatial.h gstream.h
+ spatial.h gstream.h sp_head.h sp_pcontext.h \
+ sp_rcontext.h sp.h
mysqld_SOURCES = sql_lex.cc sql_handler.cc \
item.cc item_sum.cc item_buff.cc item_func.cc \
item_cmpfunc.cc item_strfunc.cc item_timefunc.cc \
@@ -85,7 +86,8 @@ mysqld_SOURCES = sql_lex.cc sql_handler.cc \
slave.cc sql_repl.cc sql_union.cc sql_derived.cc \
mini_client.cc mini_client_errors.c \
stacktrace.c repl_failsafe.h repl_failsafe.cc sql_olap.cc\
- gstream.cc spatial.cc sql_help.cc
+ gstream.cc spatial.cc sql_help.cc \
+ sp_head.cc sp_pcontext.cc sp.cc
gen_lex_hash_SOURCES = gen_lex_hash.cc
gen_lex_hash_LDADD = $(LDADD) $(CXXLDFLAGS)
diff --git a/sql/item.cc b/sql/item.cc
index b4d2d0670d8..f4c27061e53 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -22,6 +22,7 @@
#include "mysql_priv.h"
#include <m_ctype.h>
#include "my_dir.h"
+#include "sp_rcontext.h"
/*****************************************************************************
** Item functions
@@ -175,6 +176,23 @@ CHARSET_INFO * Item::default_charset() const
return current_thd->db_charset;
}
+
+Item *
+Item_splocal::this_item()
+{
+ THD *thd= current_thd;
+
+ return thd->spcont->get_item(m_offset);
+}
+
+Item *
+Item_splocal::this_const_item() const
+{
+ THD *thd= current_thd;
+
+ return thd->spcont->get_item(m_offset);
+}
+
bool Item::set_charset(CHARSET_INFO *cs1, enum coercion co1,
CHARSET_INFO *cs2, enum coercion co2)
{
diff --git a/sql/item.h b/sql/item.h
index 1b5fafc180f..8009439b708 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -123,6 +123,8 @@ public:
bool set_charset(CHARSET_INFO *cs1, enum coercion co1,
CHARSET_INFO *cs2, enum coercion co2);
virtual void set_outer_resolving() {}
+ virtual Item *this_item() { return this; } /* For SPs mostly. */
+ virtual Item *this_const_item() const { return const_cast<Item*>(this); } /* For SPs mostly. */
// Row emulation
virtual uint cols() { return 1; }
@@ -136,6 +138,57 @@ public:
};
+// A local SP variable (incl. parameters), used in runtime
+class Item_splocal : public Item
+{
+private:
+
+ uint m_offset;
+
+public:
+
+ Item_splocal(uint offset)
+ : m_offset(offset)
+ {}
+
+ Item *this_item();
+ Item *this_const_item() const;
+
+ inline uint get_offset()
+ {
+ return m_offset;
+ }
+
+ // Abstract methods inherited from Item. Just defer the call to
+ // the item in the frame
+ inline enum Type type() const
+ {
+ return this_const_item()->type();
+ }
+
+ inline double val()
+ {
+ return this_item()->val();
+ }
+
+ inline longlong val_int()
+ {
+ return this_item()->val_int();
+ }
+
+ inline String *val_str(String *sp)
+ {
+ return this_item()->val_str(sp);
+ }
+
+ inline void make_field(Send_field *field)
+ {
+ this_item()->make_field(field);
+ }
+
+};
+
+
class st_select_lex;
class Item_ident :public Item
{
diff --git a/sql/item_func.cc b/sql/item_func.cc
index 5bbb6003e4f..05d66f9bfcb 100644
--- a/sql/item_func.cc
+++ b/sql/item_func.cc
@@ -30,6 +30,9 @@
#ifdef HAVE_COMPRESS
#include <zlib.h>
#endif
+#include "sp_head.h"
+#include "sp_rcontext.h"
+#include "sp.h"
/* return TRUE if item is a constant */
@@ -2839,3 +2842,74 @@ longlong Item_func_srid::val_int()
uint32 res= uint4korr(swkb->ptr());
return (longlong) res;
}
+
+int
+Item_func_sp::execute(Item **itp)
+{
+ DBUG_ENTER("Item_func_sp::execute");
+ THD *thd= current_thd;
+
+ if (! m_sp)
+ m_sp= sp_find_function(thd, &m_name);
+ if (! m_sp)
+ DBUG_RETURN(-1);
+
+ DBUG_RETURN(m_sp->execute_function(thd, args, arg_count, itp));
+}
+
+enum enum_field_types
+Item_func_sp::field_type() const
+{
+ DBUG_ENTER("Item_func_sp::field_type");
+
+ if (! m_sp)
+ m_sp= sp_find_function(current_thd, const_cast<LEX_STRING*>(&m_name));
+ if (m_sp)
+ {
+ DBUG_PRINT("info", ("m_returns = %d", m_sp->m_returns));
+ DBUG_RETURN(m_sp->m_returns);
+ }
+ DBUG_RETURN(MYSQL_TYPE_STRING);
+}
+
+Item_result
+Item_func_sp::result_type() const
+{
+ DBUG_ENTER("Item_func_sp::result_type");
+ DBUG_PRINT("info", ("m_sp = %p", m_sp));
+
+ if (! m_sp)
+ m_sp= sp_find_function(current_thd, const_cast<LEX_STRING*>(&m_name));
+ if (m_sp)
+ {
+ DBUG_RETURN(m_sp->result());
+ }
+ DBUG_RETURN(STRING_RESULT);
+}
+
+void
+Item_func_sp::fix_length_and_dec()
+{
+ DBUG_ENTER("Item_func_sp::fix_length_and_dec");
+
+ if (! m_sp)
+ m_sp= sp_find_function(current_thd, &m_name);
+ if (m_sp)
+ {
+ switch (m_sp->result()) {
+ case STRING_RESULT:
+ maybe_null= 1;
+ max_length= 0;
+ break;
+ case REAL_RESULT:
+ decimals= NOT_FIXED_DEC;
+ max_length= float_length(decimals);
+ break;
+ case INT_RESULT:
+ decimals= 0;
+ max_length= 21;
+ break;
+ }
+ }
+ DBUG_VOID_RETURN;
+}
diff --git a/sql/item_func.h b/sql/item_func.h
index 0429e650071..1c70d00f7e7 100644
--- a/sql/item_func.h
+++ b/sql/item_func.h
@@ -1179,3 +1179,69 @@ enum Item_cast
ITEM_CAST_BINARY, ITEM_CAST_SIGNED_INT, ITEM_CAST_UNSIGNED_INT,
ITEM_CAST_DATE, ITEM_CAST_TIME, ITEM_CAST_DATETIME, ITEM_CAST_CHAR
};
+
+
+/*
+ *
+ * Stored FUNCTIONs
+ *
+ */
+
+class sp_head;
+
+class Item_func_sp :public Item_func
+{
+private:
+ LEX_STRING m_name;
+ mutable sp_head *m_sp;
+
+ int execute(Item **itp);
+
+public:
+
+ Item_func_sp(LEX_STRING name)
+ :Item_func(), m_name(name), m_sp(NULL)
+ {}
+
+ Item_func_sp(LEX_STRING name, List<Item> &list)
+ :Item_func(list), m_name(name), m_sp(NULL)
+ {}
+
+ virtual ~Item_func_sp()
+ {}
+
+ const char *func_name() const
+ {
+ return m_name.str;
+ }
+
+ enum enum_field_types field_type() const;
+
+ Item_result result_type() const;
+
+ longlong val_int()
+ {
+ return (longlong)Item_func_sp::val();
+ }
+
+ double val()
+ {
+ Item *it;
+
+ if (execute(&it))
+ return 0.0;
+ return it->val();
+ }
+
+ String *val_str(String *str)
+ {
+ Item *it;
+
+ if (execute(&it))
+ return NULL;
+ return it->val_str(str);
+ }
+
+ void fix_length_and_dec();
+
+};
diff --git a/sql/lex.h b/sql/lex.h
index 5325329f61f..9e9cb75da1c 100644
--- a/sql/lex.h
+++ b/sql/lex.h
@@ -60,6 +60,7 @@ static SYMBOL symbols[] = {
{ "AS", SYM(AS),0,0},
{ "ASC", SYM(ASC),0,0},
{ "ASCII", SYM(ASCII_SYM),0,0},
+ { "ASENSITIVE", SYM(ASENSITIVE_SYM),0,0},
{ "AVG", SYM(AVG_SYM),0,0},
{ "AVG_ROW_LENGTH", SYM(AVG_ROW_LENGTH),0,0},
{ "AUTO_INCREMENT", SYM(AUTO_INC),0,0},
@@ -81,6 +82,7 @@ static SYMBOL symbols[] = {
{ "BY", SYM(BY),0,0},
{ "BYTE", SYM(BYTE_SYM), 0, 0},
{ "CACHE", SYM(CACHE_SYM),0,0},
+ { "CALL", SYM(CALL_SYM),0,0},
{ "CASCADE", SYM(CASCADE),0,0},
{ "CASE", SYM(CASE_SYM),0,0},
{ "CHAR", SYM(CHAR_SYM),0,0},
@@ -109,6 +111,7 @@ static SYMBOL symbols[] = {
{ "CURRENT_DATE", SYM(CURDATE),0,0},
{ "CURRENT_TIME", SYM(CURTIME),0,0},
{ "CURRENT_TIMESTAMP", SYM(NOW_SYM),0,0},
+ { "CURSOR", SYM(CURSOR_SYM),0,0},
{ "DATA", SYM(DATA_SYM),0,0},
{ "DATABASE", SYM(DATABASE),0,0},
{ "DATABASES", SYM(DATABASES),0,0},
@@ -120,6 +123,7 @@ static SYMBOL symbols[] = {
{ "DAY_SECOND", SYM(DAY_SECOND_SYM),0,0},
{ "DEC", SYM(DECIMAL_SYM),0,0},
{ "DECIMAL", SYM(DECIMAL_SYM),0,0},
+ { "DECLARE", SYM(DECLARE_SYM),0,0},
{ "DES_KEY_FILE", SYM(DES_KEY_FILE),0,0},
{ "DEFAULT", SYM(DEFAULT),0,0},
{ "DELAYED", SYM(DELAYED_SYM),0,0},
@@ -142,6 +146,7 @@ static SYMBOL symbols[] = {
{ "ERRORS", SYM(ERRORS),0,0},
{ "END", SYM(END),0,0},
{ "ELSE", SYM(ELSE),0,0},
+ { "ELSEIF", SYM(ELSEIF_SYM),0,0},
{ "ESCAPE", SYM(ESCAPE_SYM),0,0},
{ "ESCAPED", SYM(ESCAPED),0,0},
{ "ENABLE", SYM(ENABLE_SYM),0,0},
@@ -172,7 +177,7 @@ static SYMBOL symbols[] = {
{ "FOR", SYM(FOR_SYM),0,0},
{ "FULL", SYM(FULL),0,0},
{ "FULLTEXT", SYM(FULLTEXT_SYM),0,0},
- { "FUNCTION", SYM(UDF_SYM),0,0},
+ { "FUNCTION", SYM(FUNCTION_SYM),0,0},
{ "GEOMETRY", SYM(GEOMETRY_SYM),0,0},
{ "GEOMETRYCOLLECTION",SYM(GEOMETRYCOLLECTION),0,0},
{ "GLOBAL", SYM(GLOBAL_SYM),0,0},
@@ -198,6 +203,8 @@ static SYMBOL symbols[] = {
{ "INNER", SYM(INNER_SYM),0,0},
{ "INNOBASE", SYM(INNOBASE_SYM),0,0},
{ "INNODB", SYM(INNOBASE_SYM),0,0},
+ { "INOUT", SYM(INOUT_SYM),0,0},
+ { "INSENSITIVE", SYM(INSENSITIVE_SYM),0,0},
{ "INSERT", SYM(INSERT),0,0},
{ "INSERT_METHOD", SYM(INSERT_METHOD),0,0},
{ "INT", SYM(INT_SYM),0,0},
@@ -215,12 +222,14 @@ static SYMBOL symbols[] = {
{ "ISOLATION", SYM(ISOLATION),0,0},
{ "ISAM", SYM(ISAM_SYM),0,0},
{ "ISSUER", SYM(ISSUER_SYM),0,0},
+ { "ITERATE", SYM(ITERATE_SYM),0,0},
{ "JOIN", SYM(JOIN_SYM),0,0},
{ "KEY", SYM(KEY_SYM),0,0},
{ "KEYS", SYM(KEYS),0,0},
{ "KILL", SYM(KILL_SYM),0,0},
{ "LAST", SYM(LAST_SYM),0,0},
{ "LEADING", SYM(LEADING),0,0},
+ { "LEAVE", SYM(LEAVE_SYM),0,0},
{ "LEFT", SYM(LEFT),0,0},
{ "LEVEL", SYM(LEVEL_SYM),0,0},
{ "LIKE", SYM(LIKE),0,0},
@@ -236,6 +245,7 @@ static SYMBOL symbols[] = {
{ "LOGS", SYM(LOGS_SYM),0,0},
{ "LONG", SYM(LONG_SYM),0,0},
{ "LONGBLOB", SYM(LONGBLOB),0,0},
+ { "LOOP", SYM(LOOP_SYM),0,0},
{ "LONGTEXT", SYM(LONGTEXT),0,0},
{ "LOW_PRIORITY", SYM(LOW_PRIORITY),0,0},
{ "MASTER", SYM(MASTER_SYM),0,0},
@@ -290,6 +300,7 @@ static SYMBOL symbols[] = {
{ "OPTIONALLY", SYM(OPTIONALLY),0,0},
{ "OR", SYM(OR),0,0},
{ "ORDER", SYM(ORDER_SYM),0,0},
+ { "OUT", SYM(OUT_SYM),0,0},
{ "OUTER", SYM(OUTER),0,0},
{ "OUTFILE", SYM(OUTFILE),0,0},
{ "PACK_KEYS", SYM(PACK_KEYS_SYM),0,0},
@@ -319,13 +330,15 @@ static SYMBOL symbols[] = {
{ "REPAIR", SYM(REPAIR),0,0},
{ "REPLACE", SYM(REPLACE),0,0},
{ "REPLICATION", SYM(REPLICATION),0,0},
+ { "REPEAT", SYM(REPEAT_SYM),0,0},
{ "REPEATABLE", SYM(REPEATABLE_SYM),0,0},
{ "REQUIRE", SYM(REQUIRE_SYM),0,0},
{ "RESET", SYM(RESET_SYM),0,0},
{ "USER_RESOURCES", SYM(RESOURCES),0,0},
{ "RESTORE", SYM(RESTORE_SYM),0,0},
{ "RESTRICT", SYM(RESTRICT),0,0},
- { "RETURNS", SYM(UDF_RETURNS_SYM),0,0},
+ { "RETURN", SYM(RETURN_SYM),0,0},
+ { "RETURNS", SYM(RETURNS_SYM),0,0},
{ "REVOKE", SYM(REVOKE),0,0},
{ "RIGHT", SYM(RIGHT),0,0},
{ "RLIKE", SYM(REGEXP),0,0}, /* Like in mSQL2 */
@@ -336,6 +349,7 @@ static SYMBOL symbols[] = {
{ "RTREE", SYM(RTREE_SYM),0,0},
{ "SECOND", SYM(SECOND_SYM),0,0},
{ "SELECT", SYM(SELECT_SYM),0,0},
+ { "SENSITIVE", SYM(SENSITIVE_SYM),0,0},
{ "SERIAL", SYM(SERIAL_SYM),0,0},
{ "SERIALIZABLE", SYM(SERIALIZABLE_SYM),0,0},
{ "SESSION", SYM(SESSION_SYM),0,0},
@@ -350,6 +364,7 @@ static SYMBOL symbols[] = {
{ "SOME", SYM(ANY_SYM),0,0},
{ "SONAME", SYM(UDF_SONAME_SYM),0,0},
{ "SPATIAL", SYM(SPATIAL_SYM),0,0},
+ { "SPECIFIC", SYM(SPECIFIC_SYM),0,0},
{ "SQL_BIG_RESULT", SYM(SQL_BIG_RESULT),0,0},
{ "SQL_BUFFER_RESULT", SYM(SQL_BUFFER_RESULT),0,0},
{ "SQL_CACHE", SYM(SQL_CACHE_SYM), 0, 0},
@@ -392,6 +407,7 @@ static SYMBOL symbols[] = {
{ "UNIQUE", SYM(UNIQUE_SYM),0,0},
{ "UNLOCK", SYM(UNLOCK_SYM),0,0},
{ "UNSIGNED", SYM(UNSIGNED),0,0},
+ { "UNTIL", SYM(UNTIL_SYM),0,0},
{ "USE", SYM(USE_SYM),0,0},
{ "USE_FRM", SYM(USE_FRM),0,0},
{ "USING", SYM(USING),0,0},
@@ -410,6 +426,7 @@ static SYMBOL symbols[] = {
{ "WRITE", SYM(WRITE_SYM),0,0},
{ "WHEN", SYM(WHEN_SYM),0,0},
{ "WHERE", SYM(WHERE),0,0},
+ { "WHILE", SYM(WHILE_SYM),0,0},
{ "XOR", SYM(XOR),0,0},
{ "X509", SYM(X509_SYM),0,0},
{ "YEAR", SYM(YEAR_SYM),0,0},
@@ -568,7 +585,6 @@ static SYMBOL sql_functions[] = {
{ "RADIANS", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_radians)},
{ "RAND", SYM(RAND),0,0},
{ "RELEASE_LOCK", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_release_lock)},
- { "REPEAT", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_repeat)},
{ "REVERSE", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_reverse)},
{ "ROUND", SYM(ROUND),0,0},
{ "RPAD", SYM(FUNC_ARG3),0,CREATE_FUNC(create_func_rpad)},
diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h
index 678af8f881d..c4be04943c0 100644
--- a/sql/mysql_priv.h
+++ b/sql/mysql_priv.h
@@ -362,7 +362,7 @@ extern "C" pthread_handler_decl(handle_one_connection,arg);
extern "C" pthread_handler_decl(handle_bootstrap,arg);
void end_thread(THD *thd,bool put_in_cache);
void flush_thread_cache();
-void mysql_execute_command(THD *thd);
+int mysql_execute_command(THD *thd);
bool do_command(THD *thd);
bool dispatch_command(enum enum_server_command command, THD *thd,
char* packet, uint packet_length);
diff --git a/sql/share/czech/errmsg.txt b/sql/share/czech/errmsg.txt
index 169595c34c5..4d93ecf7db3 100644
--- a/sql/share/czech/errmsg.txt
+++ b/sql/share/czech/errmsg.txt
@@ -264,3 +264,15 @@ v/*
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/danish/errmsg.txt b/sql/share/danish/errmsg.txt
index ff58079f4c8..c5cf27a94d7 100644
--- a/sql/share/danish/errmsg.txt
+++ b/sql/share/danish/errmsg.txt
@@ -258,3 +258,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/dutch/errmsg.txt b/sql/share/dutch/errmsg.txt
index a0a6755c693..6105d619ec0 100644
--- a/sql/share/dutch/errmsg.txt
+++ b/sql/share/dutch/errmsg.txt
@@ -266,3 +266,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/english/errmsg.txt b/sql/share/english/errmsg.txt
index 0f48416d6db..bcd96916516 100644
--- a/sql/share/english/errmsg.txt
+++ b/sql/share/english/errmsg.txt
@@ -255,3 +255,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/estonian/errmsg.txt b/sql/share/estonian/errmsg.txt
index 4503f011692..6f90684dcfe 100644
--- a/sql/share/estonian/errmsg.txt
+++ b/sql/share/estonian/errmsg.txt
@@ -260,3 +260,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/french/errmsg.txt b/sql/share/french/errmsg.txt
index 9474d67f2f2..56065154b38 100644
--- a/sql/share/french/errmsg.txt
+++ b/sql/share/french/errmsg.txt
@@ -255,3 +255,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/german/errmsg.txt b/sql/share/german/errmsg.txt
index ef4110a6b93..b1b6e695fb1 100644
--- a/sql/share/german/errmsg.txt
+++ b/sql/share/german/errmsg.txt
@@ -265,3 +265,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/greek/errmsg.txt b/sql/share/greek/errmsg.txt
index 3f54e7740bd..bad888430ef 100644
--- a/sql/share/greek/errmsg.txt
+++ b/sql/share/greek/errmsg.txt
@@ -255,3 +255,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/hungarian/errmsg.txt b/sql/share/hungarian/errmsg.txt
index 7519448ef33..1ee7d95bebe 100644
--- a/sql/share/hungarian/errmsg.txt
+++ b/sql/share/hungarian/errmsg.txt
@@ -257,3 +257,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/italian/errmsg.txt b/sql/share/italian/errmsg.txt
index 71a02896c01..dcacb064356 100644
--- a/sql/share/italian/errmsg.txt
+++ b/sql/share/italian/errmsg.txt
@@ -255,3 +255,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/japanese/errmsg.txt b/sql/share/japanese/errmsg.txt
index b10ddb1d1d2..bb928217a6d 100644
--- a/sql/share/japanese/errmsg.txt
+++ b/sql/share/japanese/errmsg.txt
@@ -257,3 +257,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/korean/errmsg.txt b/sql/share/korean/errmsg.txt
index be1e85ad33c..0f6f4f95fa9 100644
--- a/sql/share/korean/errmsg.txt
+++ b/sql/share/korean/errmsg.txt
@@ -255,3 +255,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/norwegian-ny/errmsg.txt b/sql/share/norwegian-ny/errmsg.txt
index 84c96a0540e..4ece1312243 100644
--- a/sql/share/norwegian-ny/errmsg.txt
+++ b/sql/share/norwegian-ny/errmsg.txt
@@ -257,3 +257,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/norwegian/errmsg.txt b/sql/share/norwegian/errmsg.txt
index b57eb19906d..9b2165909aa 100644
--- a/sql/share/norwegian/errmsg.txt
+++ b/sql/share/norwegian/errmsg.txt
@@ -257,3 +257,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/polish/errmsg.txt b/sql/share/polish/errmsg.txt
index 2d07b362257..ed02910549a 100644
--- a/sql/share/polish/errmsg.txt
+++ b/sql/share/polish/errmsg.txt
@@ -259,3 +259,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/portuguese/errmsg.txt b/sql/share/portuguese/errmsg.txt
index 8db48115c49..24cc385b1ed 100644
--- a/sql/share/portuguese/errmsg.txt
+++ b/sql/share/portuguese/errmsg.txt
@@ -255,3 +255,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/romanian/errmsg.txt b/sql/share/romanian/errmsg.txt
index 337cfd0963e..4ab6c04d67b 100644
--- a/sql/share/romanian/errmsg.txt
+++ b/sql/share/romanian/errmsg.txt
@@ -259,3 +259,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/russian/errmsg.txt b/sql/share/russian/errmsg.txt
index b5d1a0a7e07..e136e2d4e35 100644
--- a/sql/share/russian/errmsg.txt
+++ b/sql/share/russian/errmsg.txt
@@ -257,3 +257,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/serbian/errmsg.txt b/sql/share/serbian/errmsg.txt
index d6883efc96b..402f4b94f70 100644
--- a/sql/share/serbian/errmsg.txt
+++ b/sql/share/serbian/errmsg.txt
@@ -251,3 +251,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/slovak/errmsg.txt b/sql/share/slovak/errmsg.txt
index ee7d1e9c4fb..5e0cf29c734 100644
--- a/sql/share/slovak/errmsg.txt
+++ b/sql/share/slovak/errmsg.txt
@@ -263,3 +263,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/spanish/errmsg.txt b/sql/share/spanish/errmsg.txt
index 2dfdc7573fa..e26ca91bd8d 100644
--- a/sql/share/spanish/errmsg.txt
+++ b/sql/share/spanish/errmsg.txt
@@ -256,3 +256,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/swedish/errmsg.txt b/sql/share/swedish/errmsg.txt
index 6d34b5a93b3..d2c099d38d0 100644
--- a/sql/share/swedish/errmsg.txt
+++ b/sql/share/swedish/errmsg.txt
@@ -255,3 +255,15 @@
"COLLATION '%s' är inte tillåtet för CHARACTER SET '%s'"
"Slaven har redan startat"
"Slaven har redan stoppat"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/share/ukrainian/errmsg.txt b/sql/share/ukrainian/errmsg.txt
index be8fe2afea5..242c1bef664 100644
--- a/sql/share/ukrainian/errmsg.txt
+++ b/sql/share/ukrainian/errmsg.txt
@@ -260,3 +260,15 @@
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
+"Can't create a %s from within another stored routine"
+"%s %s already exists"
+"%s %s does not exist"
+"Failed to DROP %s %s"
+"Failed to CREATE %s %s"
+"%s with no matching label: %s"
+"Redefining label %s"
+"End-label %s without match"
+"Referring to uninitialized variable %s"
+"SELECT in a stored procedure must have INTO"
+"RETURN is only allowed in a FUNCTION"
+"Queries, like SELECT, INSERT, UPDATE (and others), are not allowed in a FUNCTION"
diff --git a/sql/sp.cc b/sql/sp.cc
new file mode 100644
index 00000000000..2bb714ab33a
--- /dev/null
+++ b/sql/sp.cc
@@ -0,0 +1,391 @@
+/* Copyright (C) 2002 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+
+#include "mysql_priv.h"
+#include "sp.h"
+#include "sp_head.h"
+
+ static sp_head *
+ sp_find_cached_function(THD *thd, char *name, uint namelen);
+
+/*
+ *
+ * DB storage of Stored PROCEDUREs and FUNCTIONs
+ *
+ */
+
+// *openeed=true means we opened ourselves
+static int
+db_find_routine_aux(THD *thd, int type, char *name, uint namelen,
+ enum thr_lock_type ltype, TABLE **tablep, bool *opened)
+{
+ DBUG_ENTER("db_find_routine_aux");
+ DBUG_PRINT("enter", ("type: %d name: %*s", type, namelen, name));
+ TABLE *table;
+ byte key[65]; // We know name is 64 and the enum is 1 byte
+ uint keylen;
+ int ret;
+
+ // Put the key together
+ keylen= namelen;
+ if (keylen > sizeof(key)-1)
+ keylen= sizeof(key)-1;
+ memcpy(key, name, keylen);
+ memset(key+keylen, (int)' ', sizeof(key)-1 - keylen); // Pad with space
+ key[sizeof(key)-1]= type;
+ keylen= sizeof(key);
+
+ for (table= thd->open_tables ; table ; table= table->next)
+ if (strcmp(table->table_cache_key, "mysql") == 0 &&
+ strcmp(table->real_name, "proc") == 0)
+ break;
+ if (table)
+ *opened= FALSE;
+ else
+ {
+ TABLE_LIST tables;
+
+ memset(&tables, 0, sizeof(tables));
+ tables.db= (char*)"mysql";
+ tables.real_name= tables.alias= (char*)"proc";
+ if (! (table= open_ltable(thd, &tables, ltype)))
+ {
+ *tablep= NULL;
+ DBUG_RETURN(SP_OPEN_TABLE_FAILED);
+ }
+ *opened= TRUE;
+ }
+
+ if (table->file->index_read_idx(table->record[0], 0,
+ key, keylen,
+ HA_READ_KEY_EXACT))
+ {
+ *tablep= NULL;
+ DBUG_RETURN(SP_KEY_NOT_FOUND);
+ }
+ *tablep= table;
+
+ DBUG_RETURN(SP_OK);
+}
+
+static int
+db_find_routine(THD *thd, int type, char *name, uint namelen, sp_head **sphp)
+{
+ DBUG_ENTER("db_find_routine");
+ DBUG_PRINT("enter", ("type: %d name: %*s", type, namelen, name));
+ extern int yyparse(void *thd);
+ LEX *tmplex;
+ TABLE *table;
+ const char *defstr;
+ int ret;
+ bool opened;
+
+ // QQ Set up our own mem_root here???
+ ret= db_find_routine_aux(thd, type, name, namelen, TL_READ, &table, &opened);
+ if (ret != SP_OK)
+ goto done;
+ if ((defstr= get_field(&thd->mem_root, table->field[2])) == NULL)
+ {
+ ret= SP_GET_FIELD_FAILED;
+ goto done;
+ }
+ if (opened)
+ {
+ close_thread_tables(thd);
+ table= NULL;
+ }
+
+ tmplex= lex_start(thd, (uchar*)defstr, strlen(defstr));
+ if (yyparse(thd) || thd->is_fatal_error || tmplex->sphead == NULL)
+ ret= SP_PARSE_ERROR;
+ else
+ *sphp= tmplex->sphead;
+
+ done:
+ if (table && opened)
+ close_thread_tables(thd);
+ DBUG_RETURN(ret);
+}
+
+static int
+db_create_routine(THD *thd, int type,
+ char *name, uint namelen, char *def, uint deflen)
+{
+ DBUG_ENTER("db_create_routine");
+ DBUG_PRINT("enter", ("type: %d name: %*s def: %*s", type, namelen, name, deflen, def));
+ int ret;
+ TABLE *table;
+ TABLE_LIST tables;
+
+ memset(&tables, 0, sizeof(tables));
+ tables.db= (char*)"mysql";
+ tables.real_name= tables.alias= (char*)"proc";
+
+ if (! (table= open_ltable(thd, &tables, TL_WRITE)))
+ ret= SP_OPEN_TABLE_FAILED;
+ else
+ {
+ restore_record(table, 2); // Get default values for fields
+
+ table->field[0]->store(name, namelen, system_charset_info);
+ table->field[1]->store((longlong)type);
+ table->field[2]->store(def, deflen, system_charset_info);
+
+ if (table->file->write_row(table->record[0]))
+ ret= SP_WRITE_ROW_FAILED;
+ else
+ ret= SP_OK;
+ }
+
+ close_thread_tables(thd);
+ DBUG_RETURN(ret);
+}
+
+static int
+db_drop_routine(THD *thd, int type, char *name, uint namelen)
+{
+ DBUG_ENTER("db_drop_routine");
+ DBUG_PRINT("enter", ("type: %d name: %*s", type, namelen, name));
+ TABLE *table;
+ int ret;
+ bool opened;
+
+ ret= db_find_routine_aux(thd, type, name, namelen, TL_WRITE, &table, &opened);
+ if (ret == SP_OK)
+ {
+ if (table->file->delete_row(table->record[0]))
+ ret= SP_DELETE_ROW_FAILED;
+ }
+
+ if (opened)
+ close_thread_tables(thd);
+ DBUG_RETURN(ret);
+}
+
+
+/*
+ *
+ * PROCEDURE
+ *
+ */
+
+sp_head *
+sp_find_procedure(THD *thd, LEX_STRING *name)
+{
+ DBUG_ENTER("sp_find_procedure");
+ sp_head *sp;
+
+ DBUG_PRINT("enter", ("name: %*s", name->length, name->str));
+
+ if (db_find_routine(thd, TYPE_ENUM_PROCEDURE,
+ name->str, name->length, &sp) != SP_OK)
+ sp= NULL;
+
+ DBUG_RETURN(sp);
+}
+
+int
+sp_create_procedure(THD *thd, char *name, uint namelen, char *def, uint deflen)
+{
+ DBUG_ENTER("sp_create_procedure");
+ DBUG_PRINT("enter", ("name: %*s def: %*s", namelen, name, deflen, def));
+ int ret;
+
+ ret= db_create_routine(thd, TYPE_ENUM_PROCEDURE, name, namelen, def, deflen);
+
+ DBUG_RETURN(ret);
+}
+
+int
+sp_drop_procedure(THD *thd, char *name, uint namelen)
+{
+ DBUG_ENTER("sp_drop_procedure");
+ DBUG_PRINT("enter", ("name: %*s", namelen, name));
+ int ret;
+
+ ret= db_drop_routine(thd, TYPE_ENUM_PROCEDURE, name, namelen);
+
+ DBUG_RETURN(ret);
+}
+
+
+/*
+ *
+ * FUNCTION
+ *
+ */
+
+sp_head *
+sp_find_function(THD *thd, LEX_STRING *name)
+{
+ DBUG_ENTER("sp_find_function");
+ sp_head *sp;
+
+ DBUG_PRINT("enter", ("name: %*s", name->length, name->str));
+
+ sp= sp_find_cached_function(thd, name->str, name->length);
+ if (! sp)
+ {
+ if (db_find_routine(thd, TYPE_ENUM_FUNCTION,
+ name->str, name->length, &sp) != SP_OK)
+ sp= NULL;
+ }
+ DBUG_RETURN(sp);
+}
+
+int
+sp_create_function(THD *thd, char *name, uint namelen, char *def, uint deflen)
+{
+ DBUG_ENTER("sp_create_function");
+ DBUG_PRINT("enter", ("name: %*s def: %*s", namelen, name, deflen, def));
+ int ret;
+
+ ret= db_create_routine(thd, TYPE_ENUM_FUNCTION, name, namelen, def, deflen);
+
+ DBUG_RETURN(ret);
+}
+
+int
+sp_drop_function(THD *thd, char *name, uint namelen)
+{
+ DBUG_ENTER("sp_drop_function");
+ DBUG_PRINT("enter", ("name: %*s", namelen, name));
+ int ret;
+
+ ret= db_drop_routine(thd, TYPE_ENUM_FUNCTION, name, namelen);
+
+ DBUG_RETURN(ret);
+}
+
+// QQ Temporary until the function call detection in sql_lex has been reworked.
+bool
+sp_function_exists(THD *thd, LEX_STRING *name)
+{
+ TABLE *table;
+ bool ret= FALSE;
+ bool opened;
+
+ if (db_find_routine_aux(thd, TYPE_ENUM_FUNCTION,
+ name->str, name->length, TL_READ,
+ &table, &opened) == SP_OK)
+ {
+ ret= TRUE;
+ }
+ if (opened)
+ close_thread_tables(thd);
+ return ret;
+}
+
+
+/*
+ *
+ * The temporary FUNCTION cache. (QQ This will be rehacked later, but
+ * it's needed now to make functions work at all.)
+ *
+ */
+
+void
+sp_add_fun_to_lex(LEX *lex, LEX_STRING fun)
+{
+ List_iterator_fast<char> li(lex->spfuns);
+ char *fn;
+
+ while ((fn= li++))
+ {
+ if (strncasecmp(fn, fun.str, fun.length) == 0)
+ break;
+ }
+ if (! fn)
+ {
+ char *s= sql_strmake(fun.str, fun.length);
+ lex->spfuns.push_back(s);
+ }
+}
+
+void
+sp_merge_funs(LEX *dst, LEX *src)
+{
+ List_iterator_fast<char> li(src->spfuns);
+ char *fn;
+
+ while ((fn= li++))
+ {
+ LEX_STRING lx;
+
+ lx.str= fn; lx.length= strlen(fn);
+ sp_add_fun_to_lex(dst, lx);
+ }
+}
+
+/* QQ Not terribly efficient right now, but it'll do for starters.
+ We should actually open the mysql.proc table just once. */
+int
+sp_cache_functions(THD *thd, LEX *lex)
+{
+ List_iterator<char> li(lex->spfuns);
+ char *fn;
+ enum_sql_command cmd= lex->sql_command;
+ int ret= 0;
+
+ while ((fn= li++))
+ {
+ List_iterator_fast<sp_head> lisp(thd->spfuns);
+ sp_head *sp;
+
+ while ((sp= lisp++))
+ {
+ if (strcasecmp(fn, sp->name()) == 0)
+ break;
+ }
+ if (sp)
+ continue;
+ if (db_find_routine(thd, TYPE_ENUM_FUNCTION, fn, strlen(fn), &sp) == SP_OK)
+ {
+ ret= sp_cache_functions(thd, &thd->lex);
+ if (ret)
+ break;
+ thd->spfuns.push_back(sp);
+ }
+ else
+ {
+ send_error(thd, ER_SP_DOES_NOT_EXIST);
+ ret= 1;
+ }
+ }
+ lex->sql_command= cmd;
+ return ret;
+}
+
+void
+sp_clear_function_cache(THD *thd)
+{
+ thd->spfuns.empty();
+}
+
+static sp_head *
+sp_find_cached_function(THD *thd, char *name, uint namelen)
+{
+ List_iterator_fast<sp_head> li(thd->spfuns);
+ sp_head *sp;
+
+ while ((sp= li++))
+ {
+ if (strncasecmp(name, sp->name(), namelen) == 0)
+ break;
+ }
+ return sp;
+}
diff --git a/sql/sp.h b/sql/sp.h
new file mode 100644
index 00000000000..21fcb4c5360
--- /dev/null
+++ b/sql/sp.h
@@ -0,0 +1,65 @@
+/* -*- C++ -*- */
+/* Copyright (C) 2002 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef _SP_H_
+#define _SP_H_
+
+// Return codes from sp_create_* and sp_drop_*:
+#define SP_OK 0
+#define SP_KEY_NOT_FOUND -1
+#define SP_OPEN_TABLE_FAILED -2
+#define SP_WRITE_ROW_FAILED -3
+#define SP_DELETE_ROW_FAILED -4
+#define SP_GET_FIELD_FAILED -5
+#define SP_PARSE_ERROR -6
+
+sp_head *
+sp_find_procedure(THD *thd, LEX_STRING *name);
+
+int
+sp_create_procedure(THD *thd, char *name, uint namelen, char *def, uint deflen);
+
+int
+sp_drop_procedure(THD *thd, char *name, uint namelen);
+
+
+sp_head *
+sp_find_function(THD *thd, LEX_STRING *name);
+
+int
+sp_create_function(THD *thd, char *name, uint namelen, char *def, uint deflen);
+
+int
+sp_drop_function(THD *thd, char *name, uint namelen);
+
+// QQ Temporary until the function call detection in sql_lex has been reworked.
+bool
+sp_function_exists(THD *thd, LEX_STRING *name);
+
+
+// QQ More temporary stuff until the real cache is implemented. This is
+// needed since we have to read the functions before we do anything else.
+void
+sp_add_fun_to_lex(LEX *lex, LEX_STRING fun);
+void
+sp_merge_funs(LEX *dst, LEX *src);
+int
+sp_cache_functions(THD *thd, LEX *lex);
+void
+sp_clear_function_cache(THD *thd);
+
+#endif /* _SP_H_ */
diff --git a/sql/sp_head.cc b/sql/sp_head.cc
new file mode 100644
index 00000000000..09c680a0b80
--- /dev/null
+++ b/sql/sp_head.cc
@@ -0,0 +1,525 @@
+/* Copyright (C) 2002 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#include "mysql_priv.h"
+#include "sp_head.h"
+#include "sp.h"
+#include "sp_pcontext.h"
+#include "sp_rcontext.h"
+
+Item_result
+sp_map_result_type(enum enum_field_types type)
+{
+ switch (type)
+ {
+ case MYSQL_TYPE_TINY:
+ case MYSQL_TYPE_SHORT:
+ case MYSQL_TYPE_LONG:
+ case MYSQL_TYPE_LONGLONG:
+ case MYSQL_TYPE_INT24:
+ return INT_RESULT;
+ case MYSQL_TYPE_DECIMAL:
+ case MYSQL_TYPE_FLOAT:
+ case MYSQL_TYPE_DOUBLE:
+ return REAL_RESULT;
+ default:
+ return STRING_RESULT;
+ }
+}
+
+/* Evaluate a (presumed) func item. Always returns an item, the parameter
+** if nothing else.
+*/
+static Item *
+eval_func_item(THD *thd, Item *it, enum enum_field_types type)
+{
+ DBUG_ENTER("eval_func_item");
+ it= it->this_item();
+ DBUG_PRINT("info", ("type: %d", type));
+
+ if (it->fix_fields(thd, 0, NULL))
+ {
+ DBUG_PRINT("info", ("fix_fields() failed"));
+ DBUG_RETURN(it); // Shouldn't happen?
+ }
+
+ /* QQ How do we do this? Is there some better way? */
+ if (type == MYSQL_TYPE_NULL)
+ it= new Item_null();
+ else
+ {
+ switch (sp_map_result_type(type)) {
+ case INT_RESULT:
+ DBUG_PRINT("info", ("INT_RESULT: %d", it->val_int()));
+ it= new Item_int(it->val_int());
+ break;
+ case REAL_RESULT:
+ DBUG_PRINT("info", ("REAL_RESULT: %g", it->val()));
+ it= new Item_real(it->val());
+ break;
+ default:
+ {
+ char buffer[MAX_FIELD_WIDTH];
+ String tmp(buffer, sizeof(buffer), it->charset());
+ String *s= it->val_str(&tmp);
+
+ DBUG_PRINT("info", ("default result: %*s", s->length(), s->c_ptr_quick()))
+ it= new Item_string(sql_strmake(s->c_ptr_quick(), s->length()),
+ s->length(), it->charset());
+ break;
+ }
+ }
+ }
+
+ DBUG_RETURN(it);
+}
+
+sp_head::sp_head(LEX_STRING *name, LEX *lex)
+ : m_simple_case(FALSE)
+{
+ const char *dstr = (const char*)lex->buf;
+
+ m_name= new Item_string(name->str, name->length, system_charset_info);
+ m_defstr= new Item_string(dstr, lex->end_of_query - lex->buf,
+ system_charset_info);
+ m_pcont= lex->spcont;
+ my_init_dynamic_array(&m_instr, sizeof(sp_instr *), 16, 8);
+ m_backpatch.empty();
+}
+
+int
+sp_head::create(THD *thd)
+{
+ DBUG_ENTER("sp_head::create");
+ String *name= m_name->const_string();
+ String *def= m_defstr->const_string();
+ int ret;
+
+ DBUG_PRINT("info", ("type: %d name: %s def: %s",
+ m_type, name->c_ptr(), def->c_ptr()));
+ if (m_type == TYPE_ENUM_FUNCTION)
+ ret= sp_create_function(thd,
+ name->c_ptr(), name->length(),
+ def->c_ptr(), def->length());
+ else
+ ret= sp_create_procedure(thd,
+ name->c_ptr(), name->length(),
+ def->c_ptr(), def->length());
+
+ DBUG_RETURN(ret);
+}
+
+
+int
+sp_head::execute(THD *thd)
+{
+ DBUG_ENTER("sp_head::execute");
+ char *olddbname;
+ char *olddbptr= thd->db;
+ int ret= 0;
+ uint ip= 0;
+
+ if (olddbptr)
+ olddbname= my_strdup(olddbptr, MYF(MY_WME));
+
+ do
+ {
+ sp_instr *i;
+
+ i = get_instr(ip); // Returns NULL when we're done.
+ if (i == NULL)
+ break;
+ DBUG_PRINT("execute", ("Instruction %u", ip));
+ ret= i->execute(thd, &ip);
+ } while (ret == 0);
+
+ /* If the DB has changed, the pointer has changed too, but the
+ original thd->db will then have been freed */
+ if (olddbptr && olddbptr != thd->db && olddbname)
+ {
+ /* QQ Maybe we should issue some special error message or warning here,
+ if this fails?? */
+ ret= mysql_change_db(thd, olddbname);
+ my_free(olddbname, MYF(0));
+ }
+ DBUG_RETURN(ret);
+}
+
+
+int
+sp_head::execute_function(THD *thd, Item **argp, uint argcount, Item **resp)
+{
+ DBUG_ENTER("sp_head::execute_function");
+ DBUG_PRINT("info", ("function %s", ((String *)m_name->const_string())->c_ptr()));
+ uint csize = m_pcont->max_framesize();
+ uint params = m_pcont->params();
+ sp_rcontext *octx = thd->spcont;
+ sp_rcontext *nctx = NULL;
+ uint i;
+ int ret;
+
+ // QQ Should have some error checking here? (no. of args, types, etc...)
+ nctx= new sp_rcontext(csize);
+ for (i= 0 ; i < params && i < argcount ; i++)
+ {
+ sp_pvar_t *pvar = m_pcont->find_pvar(i);
+
+ nctx->push_item(eval_func_item(thd, *argp++, pvar->type));
+ }
+ // The rest of the frame are local variables which are all IN.
+ // QQ See comment in execute_procedure below.
+ for (; i < csize ; i++)
+ nctx->push_item(NULL);
+ thd->spcont= nctx;
+
+ ret= execute(thd);
+ if (ret == 0)
+ *resp= nctx->get_result();
+
+ thd->spcont= octx;
+ DBUG_RETURN(ret);
+}
+
+int
+sp_head::execute_procedure(THD *thd, List<Item> *args)
+{
+ DBUG_ENTER("sp_head::execute_procedure");
+ DBUG_PRINT("info", ("procedure %s", ((String *)m_name->const_string())->c_ptr()));
+ int ret;
+ sp_instr *p;
+ uint csize = m_pcont->max_framesize();
+ uint params = m_pcont->params();
+ sp_rcontext *octx = thd->spcont;
+ sp_rcontext *nctx = NULL;
+ my_bool tmp_octx = FALSE; // True if we have allocated a temporary octx
+
+ if (csize > 0)
+ {
+ uint i;
+ List_iterator_fast<Item> li(*args);
+ Item *it;
+
+ nctx = new sp_rcontext(csize);
+ if (! octx)
+ { // Create a temporary old context
+ octx = new sp_rcontext(csize);
+ tmp_octx = TRUE;
+ }
+ // QQ: No error checking whatsoever right now. Should do type checking?
+ for (i = 0 ; (it= li++) && i < params ; i++)
+ {
+ sp_pvar_t *pvar = m_pcont->find_pvar(i);
+
+ if (! pvar)
+ nctx->set_oindex(i, -1); // Shouldn't happen
+ else
+ {
+ if (pvar->mode == sp_param_out)
+ nctx->push_item(NULL); // OUT
+ else
+ nctx->push_item(eval_func_item(thd, it, pvar->type)); // IN or INOUT
+ // Note: If it's OUT or INOUT, it must be a variable.
+ // QQ: Need to handle "global" user/host variables too!!!
+ if (pvar->mode == sp_param_in)
+ nctx->set_oindex(i, -1); // IN
+ else // OUT or INOUT
+ nctx->set_oindex(i, static_cast<Item_splocal *>(it)->get_offset());
+ }
+ }
+ // The rest of the frame are local variables which are all IN.
+ // QQ We haven't found any hint of what the value is when unassigned,
+ // so we set it to NULL for now. It's an error to refer to an
+ // unassigned variable anyway (which should be detected by the parser).
+ for (; i < csize ; i++)
+ nctx->push_item(NULL);
+ thd->spcont= nctx;
+ }
+
+ ret= execute(thd);
+
+ // Don't copy back OUT values if we got an error
+ if (ret == 0 && csize > 0)
+ {
+ List_iterator_fast<Item> li(*args);
+ Item *it;
+
+ // Copy back all OUT or INOUT values to the previous frame, or
+ // set global user variables
+ for (uint i = 0 ; (it= li++) && i < params ; i++)
+ {
+ int oi = nctx->get_oindex(i);
+
+ if (oi >= 0)
+ {
+ if (! tmp_octx)
+ octx->set_item(nctx->get_oindex(i), nctx->get_item(i));
+ else
+ { // A global user variable
+#if 0
+ // QQ This works if the parameter really is a user variable, but
+ // for the moment we can't assure that, so it will crash if it's
+ // something else. So for now, we just do nothing, to avoid a crash.
+ // Note: This also assumes we have a get_name() method in
+ // the Item_func_get_user_var class.
+ Item *item= nctx->get_item(i);
+ Item_func_set_user_var *suv;
+ Item_func_get_user_var *guv= static_cast<Item_func_get_user_var*>(it);
+
+ suv= new Item_func_set_user_var(guv->get_name(), item);
+ suv->fix_fields(thd, NULL, &item);
+ suv->fix_length_and_dec();
+ suv->update();
+#endif
+ }
+ }
+ }
+
+ if (tmp_octx)
+ thd->spcont= NULL;
+ else
+ thd->spcont= octx;
+ }
+
+ DBUG_RETURN(ret);
+}
+
+
+// Reset lex during parsing, before we parse a sub statement.
+void
+sp_head::reset_lex(THD *thd)
+{
+ memcpy(&m_lex, &thd->lex, sizeof(LEX)); // Save old one
+ /* Reset most stuff. The length arguments doesn't matter here. */
+ lex_start(thd, m_lex.buf, m_lex.end_of_query - m_lex.ptr);
+ /* We must reset ptr and end_of_query again */
+ thd->lex.ptr= m_lex.ptr;
+ thd->lex.end_of_query= m_lex.end_of_query;
+ /* And keep the SP stuff too */
+ thd->lex.sphead = m_lex.sphead;
+ thd->lex.spcont = m_lex.spcont;
+ /* Clear all lists. (QQ Why isn't this reset by lex_start()?).
+ We may be overdoing this, but we know for sure that value_list must
+ be cleared at least. */
+ thd->lex.col_list.empty();
+ thd->lex.ref_list.empty();
+ thd->lex.drop_list.empty();
+ thd->lex.alter_list.empty();
+ thd->lex.interval_list.empty();
+ thd->lex.users_list.empty();
+ thd->lex.columns.empty();
+ thd->lex.key_list.empty();
+ thd->lex.create_list.empty();
+ thd->lex.insert_list= NULL;
+ thd->lex.field_list.empty();
+ thd->lex.value_list.empty();
+ thd->lex.many_values.empty();
+ thd->lex.var_list.empty();
+ thd->lex.param_list.empty();
+ thd->lex.proc_list.empty();
+ thd->lex.auxilliary_table_list.empty();
+}
+
+// Restore lex during parsing, after we have parsed a sub statement.
+void
+sp_head::restore_lex(THD *thd)
+{
+ // Update some state in the old one first
+ m_lex.ptr= thd->lex.ptr;
+ m_lex.next_state= thd->lex.next_state;
+
+ // Collect some data from the sub statement lex.
+ sp_merge_funs(&m_lex, &thd->lex);
+#if 0
+ // We're not using this at the moment.
+ if (thd->lex.sql_command == SQLCOM_CALL)
+ {
+ // It would be slightly faster to keep the list sorted, but we need
+ // an "insert before" method to do that.
+ char *proc= thd->lex.udf.name.str;
+
+ List_iterator_fast<char *> li(m_calls);
+ char **it;
+
+ while ((it= li++))
+ if (strcasecmp(proc, *it) == 0)
+ break;
+ if (! it)
+ m_calls.push_back(&proc);
+
+ }
+ // Merge used tables
+ // QQ ...or just open tables in thd->open_tables?
+ // This is not entirerly clear at the moment, but for now, we collect
+ // tables here.
+ for (SELECT_LEX *sl= thd->lex.all_selects_list ;
+ sl ;
+ sl= sl->next_select())
+ {
+ for (TABLE_LIST *tables= sl->get_table_list() ;
+ tables ;
+ tables= tables->next)
+ {
+ List_iterator_fast<char *> li(m_tables);
+ char **tb;
+
+ while ((tb= li++))
+ if (strcasecmp(tables->real_name, *tb) == 0)
+ break;
+ if (! tb)
+ m_tables.push_back(&tables->real_name);
+ }
+ }
+#endif
+
+ memcpy(&thd->lex, &m_lex, sizeof(LEX)); // Restore lex
+}
+
+void
+sp_head::push_backpatch(sp_instr *i, sp_label_t *lab)
+{
+ bp_t *bp= (bp_t *)my_malloc(sizeof(bp_t), MYF(MY_WME));
+
+ if (bp)
+ {
+ bp->lab= lab;
+ bp->instr= i;
+ (void)m_backpatch.push_front(bp);
+ }
+}
+
+void
+sp_head::backpatch(sp_label_t *lab)
+{
+ bp_t *bp;
+ uint dest= instructions();
+ List_iterator_fast<bp_t> li(m_backpatch);
+
+ while ((bp= li++))
+ if (bp->lab == lab)
+ {
+ sp_instr_jump *i= static_cast<sp_instr_jump *>(bp->instr);
+
+ i->set_destination(dest);
+ }
+}
+
+
+// ------------------------------------------------------------------
+
+//
+// sp_instr_stmt
+//
+int
+sp_instr_stmt::execute(THD *thd, uint *nextp)
+{
+ DBUG_ENTER("sp_instr_stmt::execute");
+ DBUG_PRINT("info", ("command: %d", m_lex.sql_command));
+ LEX olex; // The other lex
+ int res;
+
+ memcpy(&olex, &thd->lex, sizeof(LEX)); // Save the other lex
+
+ memcpy(&thd->lex, &m_lex, sizeof(LEX)); // Use my own lex
+ thd->lex.thd = thd;
+
+ res= mysql_execute_command(thd);
+ if (thd->lock || thd->open_tables || thd->derived_tables)
+ {
+ thd->proc_info="closing tables";
+ close_thread_tables(thd); /* Free tables */
+ }
+
+ memcpy(&thd->lex, &olex, sizeof(LEX)); // Restore the other lex
+
+ *nextp = m_ip+1;
+ DBUG_RETURN(res);
+}
+
+//
+// sp_instr_set
+//
+int
+sp_instr_set::execute(THD *thd, uint *nextp)
+{
+ DBUG_ENTER("sp_instr_set::execute");
+ DBUG_PRINT("info", ("offset: %u", m_offset));
+ thd->spcont->set_item(m_offset, eval_func_item(thd, m_value, m_type));
+ *nextp = m_ip+1;
+ DBUG_RETURN(0);
+}
+
+//
+// sp_instr_jump
+//
+int
+sp_instr_jump::execute(THD *thd, uint *nextp)
+{
+ DBUG_ENTER("sp_instr_jump::execute");
+ DBUG_PRINT("info", ("destination: %u", m_dest));
+
+ *nextp= m_dest;
+ DBUG_RETURN(0);
+}
+
+//
+// sp_instr_jump_if
+//
+int
+sp_instr_jump_if::execute(THD *thd, uint *nextp)
+{
+ DBUG_ENTER("sp_instr_jump_if::execute");
+ DBUG_PRINT("info", ("destination: %u", m_dest));
+ Item *it= eval_func_item(thd, m_expr, MYSQL_TYPE_TINY);
+
+ if (it->val_int())
+ *nextp = m_dest;
+ else
+ *nextp = m_ip+1;
+ DBUG_RETURN(0);
+}
+
+//
+// sp_instr_jump_if_not
+//
+int
+sp_instr_jump_if_not::execute(THD *thd, uint *nextp)
+{
+ DBUG_ENTER("sp_instr_jump_if_not::execute");
+ DBUG_PRINT("info", ("destination: %u", m_dest));
+ Item *it= eval_func_item(thd, m_expr, MYSQL_TYPE_TINY);
+
+ if (! it->val_int())
+ *nextp = m_dest;
+ else
+ *nextp = m_ip+1;
+ DBUG_RETURN(0);
+}
+
+//
+// sp_instr_return
+//
+int
+sp_instr_return::execute(THD *thd, uint *nextp)
+{
+ DBUG_ENTER("sp_instr_return::execute");
+ thd->spcont->set_result(eval_func_item(thd, m_value, m_type));
+ *nextp= UINT_MAX;
+ DBUG_RETURN(0);
+}
diff --git a/sql/sp_head.h b/sql/sp_head.h
new file mode 100644
index 00000000000..52cbdc56093
--- /dev/null
+++ b/sql/sp_head.h
@@ -0,0 +1,360 @@
+/* -*- C++ -*- */
+/* Copyright (C) 2002 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef _SP_HEAD_H_
+#define _SP_HEAD_H_
+
+#ifdef __GNUC__
+#pragma interface /* gcc class implementation */
+#endif
+
+#include <stddef.h>
+
+// Values for the type enum. This reflects the order of the enum declaration
+// in the CREATE TABLE command.
+#define TYPE_ENUM_FUNCTION 1
+#define TYPE_ENUM_PROCEDURE 2
+
+Item_result
+sp_map_result_type(enum enum_field_types type);
+
+struct sp_label;
+
+class sp_instr;
+
+class sp_head : public Sql_alloc
+{
+ sp_head(const sp_head &); /* Prevent use of these */
+ void operator=(sp_head &);
+
+public:
+
+ int m_type; // TYPE_ENUM_FUNCTION or TYPE_ENUM_PROCEDURE
+ enum enum_field_types m_returns; // For FUNCTIONs only
+ my_bool m_simple_case; // TRUE if parsing simple case, FALSE otherwise
+#if 0
+ // We're not using this at the moment.
+ List<char *> m_calls; // Called procedures.
+ List<char *> m_tables; // Used tables.
+#endif
+
+ static void *operator new(size_t size)
+ {
+ return (void*) sql_alloc((uint) size);
+ }
+
+ static void operator delete(void *ptr, size_t size)
+ {
+ /* Empty */
+ }
+
+ sp_head(LEX_STRING *name, LEX *lex);
+
+ int
+ create(THD *thd);
+
+ int
+ execute_function(THD *thd, Item **args, uint argcount, Item **resp);
+
+ int
+ execute_procedure(THD *thd, List<Item> *args);
+
+ inline void
+ add_instr(sp_instr *i)
+ {
+ insert_dynamic(&m_instr, (gptr)&i);
+ }
+
+ inline uint
+ instructions()
+ {
+ return m_instr.elements;
+ }
+
+ // Resets lex in 'thd' and keeps a copy of the old one.
+ void
+ reset_lex(THD *thd);
+
+ // Restores lex in 'thd' from our copy, but keeps some status from the
+ // one in 'thd', like ptr, tables, fields, etc.
+ void
+ restore_lex(THD *thd);
+
+ // Put the instruction on the backpatch list, associated with the label.
+ void
+ push_backpatch(sp_instr *, struct sp_label *);
+
+ // Update all instruction with this label in the backpatch list to
+ // the current position.
+ void
+ backpatch(struct sp_label *);
+
+ char *name(uint *lenp = 0) const
+ {
+ String *n= m_name->const_string();
+
+ if (lenp)
+ *lenp= n->length();
+ return n->c_ptr();
+ }
+
+ inline Item_result result()
+ {
+ return sp_map_result_type(m_returns);
+ }
+
+private:
+
+ Item_string *m_name;
+ Item_string *m_defstr;
+ sp_pcontext *m_pcont; // Parse context
+ LEX m_lex; // Temp. store for the other lex
+ DYNAMIC_ARRAY m_instr; // The "instructions"
+ typedef struct
+ {
+ struct sp_label *lab;
+ sp_instr *instr;
+ } bp_t;
+ List<bp_t> m_backpatch; // Instructions needing backpatching
+
+ inline sp_instr *
+ get_instr(uint i)
+ {
+ sp_instr *in= NULL;
+
+ if (i < m_instr.elements)
+ get_dynamic(&m_instr, (gptr)&in, i);
+ return in;
+ }
+
+ int
+ execute(THD *thd);
+
+}; // class sp_head : public Sql_alloc
+
+
+//
+// "Instructions"...
+//
+
+class sp_instr : public Sql_alloc
+{
+ sp_instr(const sp_instr &); /* Prevent use of these */
+ void operator=(sp_instr &);
+
+public:
+
+ // Should give each a name or type code for debugging purposes?
+ sp_instr(uint ip)
+ : Sql_alloc(), m_ip(ip)
+ {}
+
+ virtual ~sp_instr()
+ {}
+
+ // Execute this instrution. '*nextp' will be set to the index of the next
+ // instruction to execute. (For most instruction this will be the
+ // instruction following this one.)
+ // Returns 0 on success, non-zero if some error occured.
+ virtual int
+ execute(THD *thd, uint *nextp)
+ { // Default is a no-op.
+ *nextp = m_ip+1; // Next instruction
+ return 0;
+ }
+
+protected:
+
+ uint m_ip; // My index
+
+}; // class sp_instr : public Sql_alloc
+
+
+//
+// Call out to some prepared SQL statement.
+//
+class sp_instr_stmt : public sp_instr
+{
+ sp_instr_stmt(const sp_instr_stmt &); /* Prevent use of these */
+ void operator=(sp_instr_stmt &);
+
+public:
+
+ sp_instr_stmt(uint ip)
+ : sp_instr(ip)
+ {}
+
+ virtual ~sp_instr_stmt()
+ {}
+
+ virtual int execute(THD *thd, uint *nextp);
+
+ inline void
+ set_lex(LEX *lex)
+ {
+ memcpy(&m_lex, lex, sizeof(LEX));
+ }
+
+ inline LEX *
+ get_lex()
+ {
+ return &m_lex;
+ }
+
+private:
+
+ LEX m_lex; // My own lex
+
+}; // class sp_instr_stmt : public sp_instr
+
+
+class sp_instr_set : public sp_instr
+{
+ sp_instr_set(const sp_instr_set &); /* Prevent use of these */
+ void operator=(sp_instr_set &);
+
+public:
+
+ sp_instr_set(uint ip, uint offset, Item *val, enum enum_field_types type)
+ : sp_instr(ip), m_offset(offset), m_value(val), m_type(type)
+ {}
+
+ virtual ~sp_instr_set()
+ {}
+
+ virtual int execute(THD *thd, uint *nextp);
+
+private:
+
+ uint m_offset; // Frame offset
+ Item *m_value;
+ enum enum_field_types m_type; // The declared type
+
+}; // class sp_instr_set : public sp_instr
+
+
+class sp_instr_jump : public sp_instr
+{
+ sp_instr_jump(const sp_instr_jump &); /* Prevent use of these */
+ void operator=(sp_instr_jump &);
+
+public:
+
+ sp_instr_jump(uint ip)
+ : sp_instr(ip)
+ {}
+
+ sp_instr_jump(uint ip, uint dest)
+ : sp_instr(ip), m_dest(dest)
+ {}
+
+ virtual ~sp_instr_jump()
+ {}
+
+ virtual int execute(THD *thd, uint *nextp);
+
+ virtual void
+ set_destination(uint dest)
+ {
+ m_dest= dest;
+ }
+
+protected:
+
+ int m_dest; // Where we will go
+
+}; // class sp_instr_jump : public sp_instr
+
+
+class sp_instr_jump_if : public sp_instr_jump
+{
+ sp_instr_jump_if(const sp_instr_jump_if &); /* Prevent use of these */
+ void operator=(sp_instr_jump_if &);
+
+public:
+
+ sp_instr_jump_if(uint ip, Item *i)
+ : sp_instr_jump(ip), m_expr(i)
+ {}
+
+ sp_instr_jump_if(uint ip, Item *i, uint dest)
+ : sp_instr_jump(ip, dest), m_expr(i)
+ {}
+
+ virtual ~sp_instr_jump_if()
+ {}
+
+ virtual int execute(THD *thd, uint *nextp);
+
+private:
+
+ Item *m_expr; // The condition
+
+}; // class sp_instr_jump_if : public sp_instr_jump
+
+
+class sp_instr_jump_if_not : public sp_instr_jump
+{
+ sp_instr_jump_if_not(const sp_instr_jump_if_not &); /* Prevent use of these */
+ void operator=(sp_instr_jump_if_not &);
+
+public:
+
+ sp_instr_jump_if_not(uint ip, Item *i)
+ : sp_instr_jump(ip), m_expr(i)
+ {}
+
+ sp_instr_jump_if_not(uint ip, Item *i, uint dest)
+ : sp_instr_jump(ip, dest), m_expr(i)
+ {}
+
+ virtual ~sp_instr_jump_if_not()
+ {}
+
+ virtual int execute(THD *thd, uint *nextp);
+
+private:
+
+ Item *m_expr; // The condition
+
+}; // class sp_instr_jump_if_not : public sp_instr_jump
+
+
+class sp_instr_return : public sp_instr
+{
+ sp_instr_return(const sp_instr_return &); /* Prevent use of these */
+ void operator=(sp_instr_return &);
+
+public:
+
+ sp_instr_return(uint ip, Item *val, enum enum_field_types type)
+ : sp_instr(ip), m_value(val), m_type(type)
+ {}
+
+ virtual ~sp_instr_return()
+ {}
+
+ virtual int execute(THD *thd, uint *nextp);
+
+protected:
+
+ Item *m_value;
+ enum enum_field_types m_type;
+
+}; // class sp_instr_return : public sp_instr
+
+#endif /* _SP_HEAD_H_ */
diff --git a/sql/sp_pcontext.cc b/sql/sp_pcontext.cc
new file mode 100644
index 00000000000..94eb8df4b95
--- /dev/null
+++ b/sql/sp_pcontext.cc
@@ -0,0 +1,127 @@
+/* Copyright (C) 2002 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifdef __GNUC__
+#pragma implementation
+#endif
+
+#if defined(WIN32) || defined(__WIN__)
+#undef SAFEMALLOC /* Problems with threads */
+#endif
+
+#include "mysql_priv.h"
+#include "sp_pcontext.h"
+#include "sp_head.h"
+
+sp_pcontext::sp_pcontext()
+ : m_params(0), m_framesize(0), m_i(0), m_genlab(0)
+{
+ m_pvar_size = 16;
+ m_pvar = (sp_pvar_t *)my_malloc(m_pvar_size * sizeof(sp_pvar_t), MYF(MY_WME));
+ if (m_pvar)
+ memset(m_pvar, 0, m_pvar_size * sizeof(sp_pvar_t));
+ m_label.empty();
+}
+
+void
+sp_pcontext::grow()
+{
+ uint sz = m_pvar_size + 8;
+ sp_pvar_t *a = (sp_pvar_t *)my_realloc((char *)m_pvar,
+ sz * sizeof(sp_pvar_t),
+ MYF(MY_WME | MY_ALLOW_ZERO_PTR));
+
+ if (a)
+ {
+ m_pvar_size = sz;
+ m_pvar = a;
+ }
+}
+
+/* This does a linear search (from newer to older variables, in case
+** we have shadowed names).
+** It's possible to have a more efficient allocation and search method,
+** but it might not be worth it. The typical number of parameters and
+** variables will in most cases be low (a handfull).
+** And this is only called during parsing.
+*/
+sp_pvar_t *
+sp_pcontext::find_pvar(LEX_STRING *name)
+{
+ uint i = m_i;
+
+ while (i-- > 0)
+ {
+ uint len= (m_pvar[i].name.length > name->length ?
+ m_pvar[i].name.length : name->length);
+
+ if (my_strncasecmp(system_charset_info,
+ name->str,
+ m_pvar[i].name.str,
+ len) == 0)
+ {
+ return m_pvar + i;
+ }
+ }
+ return NULL;
+}
+
+void
+sp_pcontext::push(LEX_STRING *name, enum enum_field_types type,
+ sp_param_mode_t mode)
+{
+ if (m_i >= m_pvar_size)
+ grow();
+ if (m_i < m_pvar_size)
+ {
+ if (m_i == m_framesize)
+ m_framesize += 1;
+ m_pvar[m_i].name.str= name->str;
+ m_pvar[m_i].name.length= name->length,
+ m_pvar[m_i].type= type;
+ m_pvar[m_i].mode= mode;
+ m_pvar[m_i].offset= m_i;
+ m_pvar[m_i].isset= (mode == sp_param_out ? FALSE : TRUE);
+ m_i += 1;
+ }
+}
+
+sp_label_t *
+sp_pcontext::push_label(char *name, uint ip)
+{
+ sp_label_t *lab = (sp_label_t *)my_malloc(sizeof(sp_label_t), MYF(MY_WME));
+
+ if (lab)
+ {
+ lab->name= name;
+ lab->ip= ip;
+ m_label.push_front(lab);
+ }
+ return lab;
+}
+
+sp_label_t *
+sp_pcontext::find_label(char *name)
+{
+ List_iterator_fast<sp_label_t> li(m_label);
+ sp_label_t *lab;
+
+ while ((lab= li++))
+ if (strcasecmp(name, lab->name) == 0)
+ return lab;
+
+ return NULL;
+}
diff --git a/sql/sp_pcontext.h b/sql/sp_pcontext.h
new file mode 100644
index 00000000000..c5b0f1d410b
--- /dev/null
+++ b/sql/sp_pcontext.h
@@ -0,0 +1,155 @@
+/* -*- C++ -*- */
+/* Copyright (C) 2002 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef _SP_PCONTEXT_H_
+#define _SP_PCONTEXT_H_
+
+#ifdef __GNUC__
+#pragma interface /* gcc class implementation */
+#endif
+
+typedef enum
+{
+ sp_param_in,
+ sp_param_out,
+ sp_param_inout
+} sp_param_mode_t;
+
+typedef struct
+{
+ LEX_STRING name;
+ enum enum_field_types type;
+ sp_param_mode_t mode;
+ uint offset; // Offset in current frame
+ my_bool isset;
+} sp_pvar_t;
+
+typedef struct sp_label
+{
+ char *name;
+ uint ip; // Instruction index
+} sp_label_t;
+
+class sp_pcontext : public Sql_alloc
+{
+ sp_pcontext(const sp_pcontext &); /* Prevent use of these */
+ void operator=(sp_pcontext &);
+
+ public:
+
+ sp_pcontext();
+
+ inline uint
+ max_framesize()
+ {
+ return m_framesize;
+ }
+
+ inline uint
+ current_framesize()
+ {
+ return m_i;
+ }
+
+ inline uint
+ params()
+ {
+ return m_params;
+ }
+
+ // Set the number of parameters to the current esize
+ inline void
+ set_params()
+ {
+ m_params= m_i;
+ }
+
+ inline void
+ set_type(uint i, enum enum_field_types type)
+ {
+ if (i < m_i)
+ m_pvar[i].type= type;
+ }
+
+ inline void
+ set_isset(uint i, my_bool val)
+ {
+ if (i < m_i)
+ m_pvar[i].isset= val;
+ }
+
+ void
+ push(LEX_STRING *name, enum enum_field_types type, sp_param_mode_t mode);
+
+ // Pop the last 'num' slots of the frame
+ inline void
+ pop(uint num = 1)
+ {
+ if (num < m_i)
+ m_i -= num;
+ }
+
+ // Find by name
+ sp_pvar_t *
+ find_pvar(LEX_STRING *name);
+
+ // Find by index
+ sp_pvar_t *
+ find_pvar(uint i)
+ {
+ if (i >= m_i)
+ return NULL;
+ return m_pvar+i;
+ }
+
+ sp_label_t *
+ push_label(char *name, uint ip);
+
+ sp_label_t *
+ find_label(char *name);
+
+ inline sp_label_t *
+ last_label()
+ {
+ return m_label.head();
+ }
+
+ inline sp_label_t *
+ pop_label()
+ {
+ return m_label.pop();
+ }
+
+private:
+
+ uint m_params; // The number of parameters
+ uint m_framesize; // The maximum framesize
+ uint m_i; // The current index (during parsing)
+
+ sp_pvar_t *m_pvar;
+ uint m_pvar_size; // Current size of m_pvar.
+
+ void
+ grow();
+
+ List<sp_label_t> m_label; // The label list
+ uint m_genlab; // Gen. label counter
+
+}; // class sp_pcontext : public Sql_alloc
+
+
+#endif /* _SP_PCONTEXT_H_ */
diff --git a/sql/sp_rcontext.h b/sql/sp_rcontext.h
new file mode 100644
index 00000000000..78485fdd090
--- /dev/null
+++ b/sql/sp_rcontext.h
@@ -0,0 +1,95 @@
+/* -*- C++ -*- */
+/* Copyright (C) 2002 MySQL AB
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#ifndef _SP_RCONTEXT_H_
+#define _SP_RCONTEXT_H_
+
+class sp_rcontext : public Sql_alloc
+{
+ sp_rcontext(const sp_rcontext &); /* Prevent use of these */
+ void operator=(sp_rcontext &);
+
+ public:
+
+ sp_rcontext(uint size)
+ : m_count(0), m_size(size), m_result(NULL)
+ {
+ m_frame = (Item **)sql_alloc(size * sizeof(Item*));
+ m_outs = (int *)sql_alloc(size * sizeof(int));
+ }
+
+ ~sp_rcontext()
+ {
+ // Not needed?
+ //sql_element_free(m_frame);
+ }
+
+ inline void
+ push_item(Item *i)
+ {
+ if (m_count < m_size)
+ m_frame[m_count++] = i;
+ }
+
+ inline void
+ set_item(uint idx, Item *i)
+ {
+ if (idx < m_count)
+ m_frame[idx] = i;
+ }
+
+ inline Item *
+ get_item(uint idx)
+ {
+ return m_frame[idx];
+ }
+
+ inline void
+ set_oindex(uint idx, int oidx)
+ {
+ m_outs[idx] = oidx;
+ }
+
+ inline int
+ get_oindex(uint idx)
+ {
+ return m_outs[idx];
+ }
+
+ inline void
+ set_result(Item *it)
+ {
+ m_result= it;
+ }
+
+ inline Item *
+ get_result()
+ {
+ return m_result;
+ }
+
+private:
+
+ uint m_count;
+ uint m_size;
+ Item **m_frame;
+ int *m_outs;
+ Item *m_result; // For FUNCTIONs
+
+}; // class sp_rcontext : public Sql_alloc
+
+#endif /* _SP_RCONTEXT_H_ */
diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index 3a66e906837..d5197b65071 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -35,6 +35,7 @@
#include <io.h>
#endif
#include <mysys_err.h>
+#include <sp_rcontext.h>
/*****************************************************************************
@@ -80,7 +81,7 @@ extern "C" void free_user_var(user_var_entry *entry)
THD::THD():user_time(0), is_fatal_error(0),
last_insert_id_used(0),
insert_id_used(0), rand_used(0), in_lock_tables(0),
- global_read_lock(0), bootstrap(0)
+ global_read_lock(0), bootstrap(0), spcont(NULL)
{
host=user=priv_user=db=query=ip=0;
host_or_ip= "connecting host";
@@ -1002,9 +1003,12 @@ bool select_exists_subselect::send_data(List<Item> &items)
int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
{
List_iterator_fast<Item> li(list);
- List_iterator_fast<LEX_STRING> gl(var_list);
+ List_iterator_fast<my_var> gl(var_list);
Item *item;
+ my_var *mv;
LEX_STRING *ls;
+
+ row_count= 0;
if (var_list.elements != list.elements)
{
my_error(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT, MYF(0));
@@ -1013,19 +1017,39 @@ int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
unit=u;
while ((item=li++))
{
- ls= gl++;
- Item_func_set_user_var *xx = new Item_func_set_user_var(*ls,item);
- xx->fix_fields(thd,(TABLE_LIST*) thd->lex.select_lex.table_list.first,&item);
- xx->fix_length_and_dec();
- vars.push_back(xx);
+ mv=gl++;
+ ls= &mv->s;
+ if (mv->local)
+ {
+ (void)local_vars.push_back(new Item_splocal(mv->offset));
+ }
+ else
+ {
+ Item_func_set_user_var *xx = new Item_func_set_user_var(*ls,item);
+ xx->fix_fields(thd,(TABLE_LIST*) thd->lex.select_lex.table_list.first,&item);
+ xx->fix_length_and_dec();
+ vars.push_back(xx);
+ }
}
return 0;
}
+
bool select_dumpvar::send_data(List<Item> &items)
{
List_iterator_fast<Item_func_set_user_var> li(vars);
+ List_iterator_fast<Item_splocal> var_li(local_vars);
+ List_iterator_fast<my_var> my_li(var_list);
+ List_iterator_fast<Item> it(items);
Item_func_set_user_var *xx;
+ Item_splocal *yy;
+ Item *item;
+ my_var *zz;
DBUG_ENTER("send_data");
+ if (unit->offset_limit_cnt)
+ { // using limit offset,count
+ unit->offset_limit_cnt--;
+ DBUG_RETURN(0);
+ }
if (unit->offset_limit_cnt)
{ // Using limit offset,count
@@ -1037,8 +1061,21 @@ bool select_dumpvar::send_data(List<Item> &items)
my_error(ER_TOO_MANY_ROWS, MYF(0));
DBUG_RETURN(1);
}
- while ((xx=li++))
- xx->update();
+ while ((zz=my_li++) && (item=it++))
+ {
+ if (zz->local)
+ {
+ if ((yy=var_li++))
+ {
+ thd->spcont->set_item(yy->get_offset(), item);
+ }
+ }
+ else
+ {
+ if ((xx=li++))
+ xx->update();
+ }
+ }
DBUG_RETURN(0);
}
diff --git a/sql/sql_class.h b/sql/sql_class.h
index 8284a2b1ea3..59bef416ece 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -26,6 +26,7 @@
class Query_log_event;
class Load_log_event;
class Slave_log_event;
+class sp_rcontext;
enum enum_enable_or_disable { LEAVE_AS_IS, ENABLE, DISABLE };
enum enum_ha_read_modes { RFIRST, RNEXT, RPREV, RLAST, RKEY };
@@ -526,6 +527,8 @@ public:
bool volatile killed;
bool prepare_command;
bool tmp_table_used;
+ sp_rcontext *spcont; // SP runtime context
+ List<sp_head> spfuns; // SP FUNCTIONs
/*
If we do a purge of binary logs, log index info of the threads
@@ -999,13 +1002,22 @@ public:
bool send_eof();
};
+class my_var : public Sql_alloc {
+public:
+ LEX_STRING s;
+ bool local;
+ uint offset;
+ my_var (LEX_STRING& j, bool i, uint o) : s(j), local(i), offset(o) {}
+ ~my_var() {}
+};
class select_dumpvar :public select_result {
ha_rows row_count;
public:
- List<LEX_STRING> var_list;
+ List<my_var> var_list;
List<Item_func_set_user_var> vars;
- select_dumpvar(void) { var_list.empty(); vars.empty(); row_count=0;}
+ List<Item_splocal> local_vars;
+ select_dumpvar(void) { var_list.empty(); local_vars.empty(); vars.empty(); row_count=0;}
~select_dumpvar() {}
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_fields(List<Item> &list, uint flag) {return 0;}
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index a5bed692293..028dd02463c 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -21,6 +21,8 @@
#include "item_create.h"
#include <m_ctype.h>
#include <hash.h>
+#include "sp.h"
+#include "sp_head.h"
LEX_STRING tmp_table_alias= {(char*) "tmp-table",8};
@@ -109,6 +111,7 @@ LEX *lex_start(THD *thd, uchar *buf,uint length)
LEX *lex= &thd->lex;
lex->thd= thd;
lex->next_state=MY_LEX_START;
+ lex->buf= buf;
lex->end_of_query=(lex->ptr=buf)+length;
lex->yylineno = 1;
lex->select_lex.create_refs=lex->in_comment=0;
@@ -122,6 +125,9 @@ LEX *lex_start(THD *thd, uchar *buf,uint length)
lex->yacc_yyss=lex->yacc_yyvs=0;
lex->ignore_space=test(thd->variables.sql_mode & MODE_IGNORE_SPACE);
lex->sql_command=SQLCOM_END;
+ lex->sphead= NULL;
+ lex->spcont= NULL;
+ lex->spfuns.empty();
return lex;
}
@@ -145,6 +151,17 @@ static int find_keyword(LEX *lex, uint len, bool function)
lex->yylval->symbol.length=len;
return symbol->tok;
}
+
+ LEX_STRING ls;
+ ls.str = (char *)tok; ls.length= len;
+ if (function && sp_function_exists(current_thd, &ls)) // QQ temp fix
+ {
+ lex->safe_to_cache_query= 0;
+ lex->yylval->lex_str.str= lex->thd->strmake((char*)lex->tok_start, len);
+ lex->yylval->lex_str.length= len;
+ return SP_FUNC;
+ }
+
#ifdef HAVE_DLOPEN
udf_func *udf;
if (function && using_udf_functions && (udf=find_udf((char*) tok, len)))
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 6abcd5e8fea..32bb0633ae6 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -21,6 +21,9 @@
class Table_ident;
class sql_exchange;
class LEX_COLUMN;
+class sp_head;
+class sp_instr;
+class sp_pcontext;
/*
The following hack is needed because mysql_yacc.cc does not define
@@ -72,6 +75,8 @@ enum enum_sql_command {
SQLCOM_SHOW_WARNS, SQLCOM_EMPTY_QUERY, SQLCOM_SHOW_ERRORS,
SQLCOM_SHOW_COLUMN_TYPES, SQLCOM_SHOW_TABLE_TYPES, SQLCOM_SHOW_PRIVILEGES,
SQLCOM_HELP,
+ SQLCOM_CREATE_PROCEDURE, SQLCOM_CREATE_SPFUNCTION, SQLCOM_CALL,
+ SQLCOM_DROP_PROCEDURE, SQLCOM_ALTER_PROCEDURE,SQLCOM_ALTER_FUNCTION,
/* This should be the last !!! */
SQLCOM_END
@@ -419,6 +424,7 @@ typedef struct st_lex
SELECT_LEX_NODE *current_select;
/* list of all SELECT_LEX */
SELECT_LEX *all_selects_list;
+ uchar *buf; /* The beginning of string, used by SPs */
uchar *ptr,*tok_start,*tok_end,*end_of_query;
char *length,*dec,*change,*name;
char *backup_dir; /* For RESTORE/BACKUP */
@@ -478,6 +484,9 @@ typedef struct st_lex
uint slave_thd_opt;
CHARSET_INFO *charset;
char *help_arg;
+ sp_head *sphead;
+ sp_pcontext *spcont;
+ List<char> spfuns; /* Called functions */
inline void uncacheable()
{
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 3169d2235f5..f22e00a31bc 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -26,6 +26,9 @@
#include "ha_innodb.h"
#endif
+#include "sp_head.h"
+#include "sp.h"
+
#ifdef HAVE_OPENSSL
/*
Without SSL the handshake consists of one packet. This packet
@@ -44,6 +47,15 @@
#define MIN_HANDSHAKE_SIZE 6
#endif /* HAVE_OPENSSL */
+/* Used in error handling only */
+#define SP_TYPE_STRING(LP) \
+ ((LP)->sphead->m_type == TYPE_ENUM_FUNCTION ? "FUNCTION" : "PROCEDURE")
+#define SP_COM_STRING(LP) \
+ ((LP)->sql_command == SQLCOM_CREATE_SPFUNCTION || \
+ (LP)->sql_command == SQLCOM_ALTER_FUNCTION || \
+ (LP)->sql_command == SQLCOM_DROP_FUNCTION ? \
+ "FUNCTION" : "PROCEDURE")
+
extern int yyparse(void *thd);
extern "C" pthread_mutex_t THR_LOCK_keycache;
#ifdef SOLARIS
@@ -1565,7 +1577,7 @@ bool alloc_query(THD *thd, char *packet, ulong packet_length)
** Execute command saved in thd and current_lex->sql_command
****************************************************************************/
-void
+int
mysql_execute_command(THD *thd)
{
int res= 0;
@@ -1576,6 +1588,18 @@ mysql_execute_command(THD *thd)
DBUG_ENTER("mysql_execute_command");
/*
+ Clear the SP function cache before each statement (QQ this is a temporary
+ solution; caching will be rehacked later), and the new ones.
+ */
+ sp_clear_function_cache(thd);
+ if (lex->sql_command != SQLCOM_CREATE_PROCEDURE &&
+ lex->sql_command != SQLCOM_CREATE_SPFUNCTION)
+ {
+ if (sp_cache_functions(thd, lex))
+ DBUG_RETURN(-1);
+ }
+
+ /*
Reset warning count for each query that uses tables
A better approach would be to reset this for any commands
that is not a SHOW command or a select that only access local
@@ -1597,7 +1621,7 @@ mysql_execute_command(THD *thd)
given and the table list says the query should not be replicated
*/
if (table_rules_on && tables && !tables_ok(thd,tables))
- DBUG_VOID_RETURN;
+ DBUG_RETURN(0);
#ifndef TO_BE_DELETED
/*
This is a workaround to deal with the shortcoming in 3.23.44-3.23.46
@@ -1632,7 +1656,7 @@ mysql_execute_command(THD *thd)
{
if (res < 0 || thd->net.report_error)
send_error(thd,thd->killed ? ER_SERVER_SHUTDOWN : 0);
- DBUG_VOID_RETURN;
+ DBUG_RETURN(res);
}
}
}
@@ -1645,7 +1669,7 @@ mysql_execute_command(THD *thd)
!tables_ok(thd,tables))
#endif
)
- DBUG_VOID_RETURN;
+ DBUG_RETURN(0);
statistic_increment(com_stat[lex->sql_command],&LOCK_status);
switch (lex->sql_command) {
@@ -1684,7 +1708,7 @@ mysql_execute_command(THD *thd)
if (!(result= new select_send()))
{
send_error(thd, ER_OUT_OF_RESOURCES);
- DBUG_VOID_RETURN;
+ goto error;
}
else
thd->send_explain_fields(result);
@@ -1947,7 +1971,7 @@ mysql_execute_command(THD *thd)
find_real_table_in_list(tables->next, tables->db, tables->real_name))
{
net_printf(thd,ER_UPDATE_TABLE_USED,tables->real_name);
- DBUG_VOID_RETURN;
+ DBUG_RETURN(-1);
}
if (tables->next)
{
@@ -2029,7 +2053,7 @@ mysql_execute_command(THD *thd)
if (thd->locked_tables || thd->active_transaction())
{
send_error(thd,ER_LOCK_OR_ACTIVE_TRANSACTION);
- break;
+ goto error;
}
{
LOCK_ACTIVE_MI;
@@ -2042,7 +2066,7 @@ mysql_execute_command(THD *thd)
case SQLCOM_ALTER_TABLE:
#if defined(DONT_ALLOW_SHOW_COMMANDS)
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- break;
+ goto error;
#else
{
ulong priv=0;
@@ -2134,7 +2158,7 @@ mysql_execute_command(THD *thd)
case SQLCOM_SHOW_BINLOGS:
#ifdef DONT_ALLOW_SHOW_COMMANDS
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- DBUG_VOID_RETURN;
+ goto error;
#else
{
if (check_global_access(thd, SUPER_ACL))
@@ -2147,7 +2171,7 @@ mysql_execute_command(THD *thd)
case SQLCOM_SHOW_CREATE:
#ifdef DONT_ALLOW_SHOW_COMMANDS
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- DBUG_VOID_RETURN;
+ goto error;
#else
{
if (check_db_used(thd, tables) ||
@@ -2225,7 +2249,7 @@ mysql_execute_command(THD *thd)
if (select_lex->item_list.elements != lex->value_list.elements)
{
send_error(thd,ER_WRONG_VALUE_COUNT);
- DBUG_VOID_RETURN;
+ goto error;
}
res= mysql_update(thd,tables,
select_lex->item_list,
@@ -2246,7 +2270,7 @@ mysql_execute_command(THD *thd)
if (select_lex->item_list.elements != lex->value_list.elements)
{
send_error(thd,ER_WRONG_VALUE_COUNT);
- DBUG_VOID_RETURN;
+ goto error;
}
{
const char *msg= 0;
@@ -2282,7 +2306,7 @@ mysql_execute_command(THD *thd)
if (select_lex->item_list.elements != lex->value_list.elements)
{
send_error(thd,ER_WRONG_VALUE_COUNT);
- DBUG_VOID_RETURN;
+ goto error;
}
res = mysql_insert(thd,tables,lex->field_list,lex->many_values,
select_lex->item_list, lex->value_list,
@@ -2323,8 +2347,7 @@ mysql_execute_command(THD *thd)
if (find_real_table_in_list(tables->next, tables->db, tables->real_name))
{
- net_printf(thd,ER_UPDATE_TABLE_USED,tables->real_name);
- DBUG_VOID_RETURN;
+ lex->select_lex.options |= OPTION_BUFFER_RESULT;
}
/* Skip first table, which is the table we are inserting in */
@@ -2486,7 +2509,7 @@ mysql_execute_command(THD *thd)
case SQLCOM_SHOW_DATABASES:
#if defined(DONT_ALLOW_SHOW_COMMANDS)
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- DBUG_VOID_RETURN;
+ goto error;
#else
if ((specialflag & SPECIAL_SKIP_SHOW_DB) &&
check_global_access(thd, SHOW_DB_ACL))
@@ -2520,7 +2543,7 @@ mysql_execute_command(THD *thd)
case SQLCOM_SHOW_LOGS:
#ifdef DONT_ALLOW_SHOW_COMMANDS
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- DBUG_VOID_RETURN;
+ goto error;
#else
{
if (grant_option && check_access(thd, FILE_ACL, any_db))
@@ -2533,7 +2556,7 @@ mysql_execute_command(THD *thd)
/* FALL THROUGH */
#ifdef DONT_ALLOW_SHOW_COMMANDS
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- DBUG_VOID_RETURN;
+ goto error;
#else
{
char *db=select_lex->db ? select_lex->db : thd->db;
@@ -2572,7 +2595,7 @@ mysql_execute_command(THD *thd)
case SQLCOM_SHOW_FIELDS:
#ifdef DONT_ALLOW_SHOW_COMMANDS
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- DBUG_VOID_RETURN;
+ goto error;
#else
{
char *db=tables->db;
@@ -2597,7 +2620,7 @@ mysql_execute_command(THD *thd)
case SQLCOM_SHOW_KEYS:
#ifdef DONT_ALLOW_SHOW_COMMANDS
send_error(thd,ER_NOT_ALLOWED_COMMAND); /* purecov: inspected */
- DBUG_VOID_RETURN;
+ goto error;
#else
{
char *db=tables->db;
@@ -2779,26 +2802,24 @@ mysql_execute_command(THD *thd)
res=mysqld_show_create_db(thd,lex->name,&lex->create_info);
break;
}
- case SQLCOM_CREATE_FUNCTION:
- if (check_access(thd,INSERT_ACL,"mysql",0,1))
- break;
+ case SQLCOM_CREATE_FUNCTION: // UDF function
+ {
+ if (check_access(thd,INSERT_ACL,"mysql",0,1))
+ break;
#ifdef HAVE_DLOPEN
- if (!(res = mysql_create_function(thd,&lex->udf)))
- send_ok(thd);
+ sp_head *sph= sp_find_function(thd, &lex->udf.name);
+ if (sph)
+ {
+ net_printf(thd, ER_UDF_EXISTS, lex->udf.name.str);
+ goto error;
+ }
+ if (!(res = mysql_create_function(thd,&lex->udf)))
+ send_ok(thd);
#else
- res= -1;
+ res= -1;
#endif
- break;
- case SQLCOM_DROP_FUNCTION:
- if (check_access(thd,DELETE_ACL,"mysql",0,1))
break;
-#ifdef HAVE_DLOPEN
- if (!(res = mysql_drop_function(thd,&lex->udf.name)))
- send_ok(thd);
-#else
- res= -1;
-#endif
- break;
+ }
case SQLCOM_REVOKE:
case SQLCOM_GRANT:
{
@@ -2967,16 +2988,162 @@ mysql_execute_command(THD *thd)
res= -1;
thd->options&= ~(ulong) (OPTION_BEGIN | OPTION_STATUS_NO_TRANS_UPDATE);
break;
+ case SQLCOM_CREATE_PROCEDURE:
+ case SQLCOM_CREATE_SPFUNCTION:
+ if (!lex->sphead)
+ {
+ res= -1; // Shouldn't happen
+ break;
+ }
+ else
+ {
+ uint namelen;
+ char *name= lex->sphead->name(&namelen);
+#ifdef HAVE_DLOPEN
+ if (lex->sphead->m_type == TYPE_ENUM_FUNCTION)
+ {
+ udf_func *udf = find_udf(name, namelen);
+
+ if (udf)
+ {
+ net_printf(thd, ER_UDF_EXISTS, name);
+ goto error;
+ }
+ }
+#endif
+ res= lex->sphead->create(thd);
+ switch (res)
+ {
+ case SP_OK:
+ send_ok(thd);
+ break;
+ case SP_WRITE_ROW_FAILED:
+ net_printf(thd, ER_SP_ALREADY_EXISTS, SP_TYPE_STRING(lex), name);
+ goto error;
+ default:
+ net_printf(thd, ER_SP_STORE_FAILED, SP_TYPE_STRING(lex), name);
+ goto error;
+ }
+ }
+ break;
+ case SQLCOM_CALL:
+ {
+ sp_head *sp;
+
+ sp= sp_find_procedure(thd, &lex->udf.name);
+ if (! sp)
+ {
+ net_printf(thd, ER_SP_DOES_NOT_EXIST, "PROCEDURE", lex->udf.name);
+ goto error;
+ }
+ else
+ {
+#ifndef EMBEDDED_LIBRARY
+ // When executing substatements, they're assumed to send_error when
+ // it happens, but not to send_ok.
+ my_bool nsok= thd->net.no_send_ok;
+
+ thd->net.no_send_ok= TRUE;
+#endif
+ res= sp->execute_procedure(thd, &lex->value_list);
+#ifndef EMBEDDED_LIBRARY
+ thd->net.no_send_ok= nsok;
+#endif
+
+ if (res == 0)
+ send_ok(thd);
+ else
+ goto error; // Substatement should already have sent error
+ }
+ }
+ break;
+ case SQLCOM_ALTER_PROCEDURE:
+ case SQLCOM_ALTER_FUNCTION:
+ {
+ sp_head *sp;
+
+ if (lex->sql_command == SQLCOM_ALTER_PROCEDURE)
+ sp= sp_find_procedure(thd, &lex->udf.name);
+ else
+ sp= sp_find_function(thd, &lex->udf.name);
+ if (! sp)
+ {
+ net_printf(thd, ER_SP_DOES_NOT_EXIST, SP_COM_STRING(lex),lex->udf.name);
+ goto error;
+ }
+ else
+ {
+ /* QQ This is an no-op right now, since we haven't
+ put the characteristics in yet. */
+ send_ok(thd);
+ }
+ }
+ break;
+ case SQLCOM_DROP_PROCEDURE:
+ case SQLCOM_DROP_FUNCTION:
+ {
+ if (lex->sql_command == SQLCOM_DROP_PROCEDURE)
+ res= sp_drop_procedure(thd, lex->udf.name.str, lex->udf.name.length);
+ else
+ {
+ res= sp_drop_function(thd, lex->udf.name.str, lex->udf.name.length);
+#ifdef HAVE_DLOPEN
+ if (res == SP_KEY_NOT_FOUND)
+ {
+ udf_func *udf = find_udf(lex->udf.name.str, lex->udf.name.length);
+ if (udf)
+ {
+ if (check_access(thd, DELETE_ACL, "mysql", 0, 1))
+ goto error;
+ if (!(res = mysql_drop_function(thd,&lex->udf.name)))
+ {
+ send_ok(thd);
+ break;
+ }
+ }
+ }
+#endif
+ }
+ switch (res)
+ {
+ case SP_OK:
+ send_ok(thd);
+ break;
+ case SP_KEY_NOT_FOUND:
+ if (lex->drop_if_exists)
+ {
+ push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
+ ER_SP_DOES_NOT_EXIST, ER(ER_SP_DOES_NOT_EXIST),
+ SP_COM_STRING(lex), lex->udf.name.str);
+ res= 0;
+ send_ok(thd);
+ break;
+ }
+ net_printf(thd, ER_SP_DOES_NOT_EXIST, SP_COM_STRING(lex),
+ lex->udf.name.str);
+ goto error;
+ default:
+ net_printf(thd, ER_SP_DROP_FAILED, SP_COM_STRING(lex),
+ lex->udf.name.str);
+ goto error;
+ }
+ }
+ break;
default: /* Impossible */
send_ok(thd);
break;
}
thd->proc_info="query end"; // QQ
+
+ // We end up here if res == 0 and send_ok() has been done,
+ // or res != 0 and no send_error() has yet been done.
if (res < 0)
send_error(thd,thd->killed ? ER_SERVER_SHUTDOWN : 0);
+ DBUG_RETURN(res);
error:
- DBUG_VOID_RETURN;
+ // We end up here if send_error() has already been done.
+ DBUG_RETURN(-1);
}
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 0126b900b9a..5148a362eab 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -191,7 +191,8 @@ int handle_select(THD *thd, LEX *lex, select_result *result)
send_error(thd, 0, NullS);
res= 1;
}
- delete result;
+ if (result != lex->result)
+ delete result;
return res;
}
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index 1d9a3f2df10..8aecb62f51c 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -35,6 +35,9 @@
#include "sql_acl.h"
#include "lex_symbol.h"
#include "item_create.h"
+#include "sp_head.h"
+#include "sp_pcontext.h"
+#include "sp.h"
#include <myisam.h>
#include <myisammrg.h>
@@ -121,6 +124,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token AVG_SYM
%token BEGIN_SYM
%token BINLOG_SYM
+%token CALL_SYM
%token CHANGE
%token CLIENT_SYM
%token COMMENT_SYM
@@ -202,6 +206,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token CONVERT_SYM
%token DATABASES
%token DATA_SYM
+%token DECLARE_SYM
%token DEFAULT
%token DELAYED_SYM
%token DELAY_KEY_WRITE_SYM
@@ -247,6 +252,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token INFILE
%token INNER_SYM
%token INNOBASE_SYM
+%token INOUT_SYM
%token INTO
%token IN_SYM
%token ISOLATION
@@ -261,6 +267,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token LIKE
%token LINES
%token LOCAL_SYM
+%token LOCATOR_SYM
%token LOG_SYM
%token LOGS_SYM
%token LONG_NUM
@@ -304,6 +311,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token OR
%token OR_OR_CONCAT
%token ORDER_SYM
+%token OUT_SYM
%token OUTER
%token OUTFILE
%token DUMPFILE
@@ -342,6 +350,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token SIMPLE_SYM
%token SHUTDOWN
%token SPATIAL_SYM
+%token SPECIFIC_SYM
%token SSL_SYM
%token STARTING
%token STATUS_SYM
@@ -362,9 +371,10 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token FUNC_ARG1
%token FUNC_ARG2
%token FUNC_ARG3
-%token UDF_RETURNS_SYM
+%token RETURN_SYM
+%token RETURNS_SYM
%token UDF_SONAME_SYM
-%token UDF_SYM
+%token FUNCTION_SYM
%token UNCOMMITTED_SYM
%token UNDERSCORE_CHARSET
%token UNICODE_SYM
@@ -502,6 +512,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token ROUND
%token SECOND_SYM
%token SHARE_SYM
+%token SP_FUNC
%token SUBSTRING
%token SUBSTRING_INDEX
%token TRIM
@@ -531,6 +542,18 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token SQL_SMALL_RESULT
%token SQL_BUFFER_RESULT
+%token CURSOR_SYM
+%token ELSEIF_SYM
+%token ITERATE_SYM
+%token LEAVE_SYM
+%token LOOP_SYM
+%token REPEAT_SYM
+%token UNTIL_SYM
+%token WHILE_SYM
+%token ASENSITIVE_SYM
+%token INSENSITIVE_SYM
+%token SENSITIVE_SYM
+
%token ISSUER_SYM
%token SUBJECT_SYM
%token CIPHER_SYM
@@ -563,6 +586,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
ULONGLONG_NUM field_ident select_alias ident ident_or_text
UNDERSCORE_CHARSET IDENT_sys TEXT_STRING_sys TEXT_STRING_db
NCHAR_STRING
+ SP_FUNC ident_or_spfunc
%type <lex_str_ptr>
opt_table_alias
@@ -682,8 +706,12 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
union_clause union_list union_option
precision subselect_start opt_and charset
subselect_end select_var_list select_var_list_init help opt_len
+ statement
END_OF_INPUT
+%type <NONE> call sp_proc_stmts sp_proc_stmt
+%type <num> sp_decls sp_decl sp_decl_idents sp_opt_inout
+
%type <NONE>
'-' '+' '*' '/' '%' '(' ')'
',' '!' '{' '}' '&' '|' AND OR OR_OR_CONCAT BETWEEN_SYM CASE_SYM
@@ -709,10 +737,16 @@ query:
| verb_clause END_OF_INPUT {};
verb_clause:
+ statement
+ | begin
+ ;
+
+/* Verb clauses, except begin */
+statement:
alter
| analyze
| backup
- | begin
+ | call
| change
| check
| commit
@@ -881,20 +915,509 @@ create:
lex->name=$4.str;
lex->create_info.options=$3;
}
- | CREATE udf_func_type UDF_SYM IDENT_sys
+ | CREATE udf_func_type FUNCTION_SYM ident_or_spfunc
{
LEX *lex=Lex;
- lex->sql_command = SQLCOM_CREATE_FUNCTION;
lex->udf.name = $4;
lex->udf.type= $2;
}
- UDF_RETURNS_SYM udf_type UDF_SONAME_SYM TEXT_STRING_sys
+ create_function_tail
+ {}
+ | CREATE PROCEDURE ident
+ {
+ LEX *lex= Lex;
+
+ if (lex->sphead)
+ {
+ net_printf(YYTHD, ER_SP_NO_RECURSIVE_CREATE, "PROCEDURE");
+ YYABORT;
+ }
+ lex->spcont= new sp_pcontext();
+ lex->sphead= new sp_head(&$3, lex);
+ lex->sphead->m_type= TYPE_ENUM_PROCEDURE;
+ }
+ '(' sp_pdparam_list ')'
+ {
+ Lex->spcont->set_params();
+ }
+ sp_proc_stmt
+ {
+ Lex->sql_command= SQLCOM_CREATE_PROCEDURE;
+ }
+ ;
+
+ident_or_spfunc:
+ IDENT_sys { $$= $1; }
+ | SP_FUNC { $$= $1; }
+ ;
+
+create_function_tail:
+ RETURNS_SYM udf_type UDF_SONAME_SYM TEXT_STRING_sys
{
LEX *lex=Lex;
- lex->udf.returns=(Item_result) $7;
- lex->udf.dl=$9.str;
+ lex->sql_command = SQLCOM_CREATE_FUNCTION;
+ lex->udf.returns=(Item_result) $2;
+ lex->udf.dl=$4.str;
}
- ;
+ | '('
+ {
+ LEX *lex= Lex;
+
+ if (lex->sphead)
+ {
+ net_printf(YYTHD, ER_SP_NO_RECURSIVE_CREATE, "FUNCTION");
+ YYABORT;
+ }
+ lex->spcont= new sp_pcontext();
+ lex->sphead= new sp_head(&lex->udf.name, lex);
+ lex->sphead->m_type= TYPE_ENUM_FUNCTION;
+ }
+ sp_fdparam_list ')'
+ {
+ Lex->spcont->set_params();
+ }
+ RETURNS_SYM type
+ {
+ Lex->sphead->m_returns= (enum enum_field_types)$7;
+ }
+ sp_proc_stmt
+ {
+ Lex->sql_command = SQLCOM_CREATE_SPFUNCTION;
+ }
+ ;
+
+call:
+ CALL_SYM ident_or_spfunc
+ {
+ LEX *lex = Lex;
+
+ lex->sql_command= SQLCOM_CALL;
+ lex->udf.name= $2;
+ lex->value_list.empty();
+ }
+ '(' sp_cparam_list ')' {}
+ ;
+
+/* CALL parameters */
+sp_cparam_list:
+ /* Empty */
+ | sp_cparams
+ ;
+
+sp_cparams:
+ sp_cparams ',' expr
+ {
+ Lex->value_list.push_back($3);
+ }
+ | expr
+ {
+ Lex->value_list.push_back($1);
+ }
+ ;
+
+/* Stored FUNCTION parameter declaration list */
+sp_fdparam_list:
+ /* Empty */
+ | sp_fdparams
+ ;
+
+sp_fdparams:
+ sp_fdparams ',' sp_fdparam
+ | sp_fdparam
+ ;
+
+sp_fdparam:
+ ident type sp_opt_locator
+ {
+ Lex->spcont->push(&$1, (enum enum_field_types)$2, sp_param_in);
+ }
+ ;
+
+/* Stored PROCEDURE parameter declaration list */
+sp_pdparam_list:
+ /* Empty */
+ | sp_pdparams
+ ;
+
+sp_pdparams:
+ sp_pdparams ',' sp_pdparam
+ | sp_pdparam
+ ;
+
+sp_pdparam:
+ sp_opt_inout ident type sp_opt_locator
+ {
+ Lex->spcont->push(&$2,
+ (enum enum_field_types)$3,
+ (sp_param_mode_t)$1);
+ }
+ ;
+
+sp_opt_inout:
+ /* Empty */ { $$= sp_param_in; }
+ | IN_SYM { $$= sp_param_in; }
+ | OUT_SYM { $$= sp_param_out; }
+ | INOUT_SYM { $$= sp_param_inout; }
+ ;
+
+sp_opt_locator:
+ /* Empty */
+ | AS LOCATOR_SYM
+ ;
+
+sp_proc_stmts:
+ sp_proc_stmt ';'
+ | sp_proc_stmts sp_proc_stmt ';'
+ ;
+
+sp_decls:
+ /* Empty */
+ {
+ $$= 0;
+ }
+ | sp_decls sp_decl ';'
+ {
+ $$= $1 + $2;
+ }
+ ;
+
+sp_decl:
+ DECLARE_SYM sp_decl_idents type
+ {
+ LEX *lex= Lex;
+ uint max= lex->spcont->current_framesize();
+
+ for (uint i = max-$2 ; i < max ; i++)
+ {
+ lex->spcont->set_type(i, (enum enum_field_types)$3);
+ lex->spcont->set_isset(i, FALSE);
+ }
+ $$= $2;
+ }
+ ;
+
+sp_decl_idents:
+ ident
+ {
+ Lex->spcont->push(&$1, (enum_field_types)0, sp_param_in);
+ $$= 1;
+ }
+ | sp_decl_idents ',' ident
+ {
+ Lex->spcont->push(&$3, (enum_field_types)0, sp_param_in);
+ $$= $1 + 1;
+ }
+ ;
+
+sp_proc_stmt:
+ {
+ Lex->sphead->reset_lex(YYTHD);
+ }
+ statement
+ {
+ LEX *lex= Lex;
+
+ if (lex->sql_command == SQLCOM_SELECT && !lex->result)
+ {
+ send_error(YYTHD, ER_SP_BADSELECT);
+ YYABORT;
+ }
+ else
+ {
+ /* Don't add an instruction for empty SET statements.
+ ** (This happens if the SET only contained local variables,
+ ** which get their set instructions generated separately.)
+ */
+ if (lex->sql_command != SQLCOM_SET_OPTION ||
+ !lex->var_list.is_empty())
+ {
+ /* Currently we can't handle queries inside a FUNCTION,
+ ** because of the way table locking works.
+ ** This is unfortunate, and limits the usefulness of functions
+ ** a great deal, but it's nothing we can do about this at the
+ ** moment.
+ */
+ if (lex->sphead->m_type == TYPE_ENUM_FUNCTION &&
+ lex->sql_command != SQLCOM_SET_OPTION)
+ {
+ send_error(YYTHD, ER_SP_BADQUERY);
+ YYABORT;
+ }
+ else
+ {
+ sp_instr_stmt *i= new sp_instr_stmt(lex->sphead->instructions());
+
+ i->set_lex(lex);
+ lex->sphead->add_instr(i);
+ }
+ }
+ lex->sphead->restore_lex(YYTHD);
+ }
+ }
+ | RETURN_SYM expr
+ {
+ LEX *lex= Lex;
+
+ if (lex->sphead->m_type == TYPE_ENUM_PROCEDURE)
+ {
+ send_error(YYTHD, ER_SP_BADRETURN);
+ YYABORT;
+ }
+ else
+ {
+ sp_instr_return *i=
+ new sp_instr_return(lex->sphead->instructions(),
+ $2, lex->sphead->m_returns);
+
+ lex->sphead->add_instr(i);
+ }
+ }
+ | IF sp_if END IF {}
+ | CASE_SYM WHEN_SYM
+ {
+ Lex->sphead->m_simple_case= FALSE;
+ }
+ sp_case END CASE_SYM {}
+ | CASE_SYM expr WHEN_SYM
+ {
+ /* We "fake" this by using an anonymous variable which we
+ set to the expression. Note that all WHENs are evaluate
+ at the same frame level, so we then know that it's the
+ top-most variable in the frame. */
+ LEX *lex= Lex;
+ uint offset= lex->spcont->current_framesize();
+ sp_instr_set *i = new sp_instr_set(lex->sphead->instructions(),
+ offset, $2, MYSQL_TYPE_STRING);
+ LEX_STRING dummy;
+
+ dummy.str= (char *)"";
+ dummy.length= 0;
+ lex->spcont->push(&dummy, MYSQL_TYPE_STRING, sp_param_in);
+ lex->sphead->add_instr(i);
+ lex->sphead->m_simple_case= TRUE;
+ }
+ sp_case END CASE_SYM
+ {
+ Lex->spcont->pop();
+ }
+ | sp_labeled_control
+ {}
+ | { /* Unlabeled controls get a secret label. */
+ LEX *lex= Lex;
+
+ lex->spcont->push_label((char *)"", lex->sphead->instructions());
+ }
+ sp_unlabeled_control
+ {
+ LEX *lex= Lex;
+
+ lex->sphead->backpatch(lex->spcont->pop_label());
+ }
+ | LEAVE_SYM IDENT
+ {
+ LEX *lex= Lex;
+ sp_head *sp = lex->sphead;
+ sp_label_t *lab= lex->spcont->find_label($2.str);
+
+ if (! lab)
+ {
+ net_printf(YYTHD, ER_SP_LILABEL_MISMATCH, "LEAVE", $2.str);
+ YYABORT;
+ }
+ else
+ {
+ sp_instr_jump *i= new sp_instr_jump(sp->instructions());
+
+ sp->push_backpatch(i, lab); /* Jumping forward */
+ sp->add_instr(i);
+ }
+ }
+ | ITERATE_SYM IDENT
+ {
+ LEX *lex= Lex;
+ sp_label_t *lab= lex->spcont->find_label($2.str);
+
+ if (! lab)
+ {
+ net_printf(YYTHD, ER_SP_LILABEL_MISMATCH, "ITERATE", $2.str);
+ YYABORT;
+ }
+ else
+ {
+ uint ip= lex->sphead->instructions();
+ sp_instr_jump *i= new sp_instr_jump(ip, lab->ip); /* Jump back */
+
+ lex->sphead->add_instr(i);
+ }
+ }
+ ;
+
+sp_if:
+ expr THEN_SYM
+ {
+ sp_head *sp= Lex->sphead;
+ sp_pcontext *ctx= Lex->spcont;
+ uint ip= sp->instructions();
+ sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, $1);
+
+ sp->push_backpatch(i, ctx->push_label((char *)"", 0));
+ sp->add_instr(i);
+ }
+ sp_proc_stmts
+ {
+ sp_head *sp= Lex->sphead;
+ sp_pcontext *ctx= Lex->spcont;
+ uint ip= sp->instructions();
+ sp_instr_jump *i = new sp_instr_jump(ip);
+
+ sp->add_instr(i);
+ sp->backpatch(ctx->pop_label());
+ sp->push_backpatch(i, ctx->push_label((char *)"", 0));
+ }
+ sp_elseifs
+ {
+ LEX *lex= Lex;
+
+ lex->sphead->backpatch(lex->spcont->pop_label());
+ }
+ ;
+
+sp_elseifs:
+ /* Empty */
+ | ELSEIF_SYM sp_if
+ | ELSE sp_proc_stmts
+ ;
+
+sp_case:
+ expr THEN_SYM
+ {
+ sp_head *sp= Lex->sphead;
+ sp_pcontext *ctx= Lex->spcont;
+ uint ip= sp->instructions();
+ sp_instr_jump_if_not *i;
+
+ if (! sp->m_simple_case)
+ i= new sp_instr_jump_if_not(ip, $1);
+ else
+ { /* Simple case: <caseval> = <whenval> */
+ Item *var= (Item*) new Item_splocal(ctx->current_framesize()-1);
+ Item *expr= Item_bool_func2::eq_creator(var, $1);
+
+ i= new sp_instr_jump_if_not(ip, expr);
+ }
+ sp->push_backpatch(i, ctx->push_label((char *)"", 0));
+ sp->add_instr(i);
+ }
+ sp_proc_stmts
+ {
+ sp_head *sp= Lex->sphead;
+ sp_pcontext *ctx= Lex->spcont;
+ uint ip= sp->instructions();
+ sp_instr_jump *i = new sp_instr_jump(ip);
+
+ sp->add_instr(i);
+ sp->backpatch(ctx->pop_label());
+ sp->push_backpatch(i, ctx->push_label((char *)"", 0));
+ }
+ sp_whens
+ {
+ LEX *lex= Lex;
+
+ lex->sphead->backpatch(lex->spcont->pop_label());
+ }
+ ;
+
+sp_whens:
+ /* Empty */ {}
+ | WHEN_SYM sp_case {}
+ | ELSE sp_proc_stmts {}
+ ;
+
+sp_labeled_control:
+ IDENT ':'
+ {
+ LEX *lex= Lex;
+ sp_label_t *lab= lex->spcont->find_label($1.str);
+
+ if (lab)
+ {
+ net_printf(YYTHD, ER_SP_LABEL_REDEFINE, $1.str);
+ YYABORT;
+ }
+ else
+ {
+ lex->spcont->push_label($1.str,
+ lex->sphead->instructions());
+ }
+ }
+ sp_unlabeled_control IDENT
+ {
+ LEX *lex= Lex;
+ sp_label_t *lab= lex->spcont->find_label($5.str);
+
+ if (! lab || strcasecmp($5.str, lab->name) != 0)
+ {
+ net_printf(YYTHD, ER_SP_LABEL_MISMATCH, $5.str);
+ YYABORT;
+ }
+ else
+ {
+ lex->spcont->pop_label();
+ lex->sphead->backpatch(lab);
+ }
+ }
+ ;
+
+sp_unlabeled_control:
+ BEGIN_SYM
+ sp_decls
+ sp_proc_stmts
+ END
+ { /* QQ This is just a dummy for grouping declarations and statements
+ together. No [[NOT] ATOMIC] yet, and we need to figure out how
+ make it coexist with the existing BEGIN COMMIT/ROLLBACK. */
+ Lex->spcont->pop($2);
+ }
+ | LOOP_SYM
+ sp_proc_stmts END LOOP_SYM
+ {
+ LEX *lex= Lex;
+ uint ip= lex->sphead->instructions();
+ sp_label_t *lab= lex->spcont->last_label(); /* Jumping back */
+ sp_instr_jump *i = new sp_instr_jump(ip, lab->ip);
+
+ lex->sphead->add_instr(i);
+ }
+ | WHILE_SYM expr DO_SYM
+ {
+ LEX *lex= Lex;
+ sp_head *sp= lex->sphead;
+ uint ip= sp->instructions();
+ sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, $2);
+
+ /* Jumping forward */
+ sp->push_backpatch(i, lex->spcont->last_label());
+ sp->add_instr(i);
+ }
+ sp_proc_stmts END WHILE_SYM
+ {
+ LEX *lex= Lex;
+ uint ip= lex->sphead->instructions();
+ sp_label_t *lab= lex->spcont->last_label(); /* Jumping back */
+ sp_instr_jump *i = new sp_instr_jump(ip, lab->ip);
+
+ lex->sphead->add_instr(i);
+ }
+ | REPEAT_SYM sp_proc_stmts UNTIL_SYM expr END REPEAT_SYM
+ {
+ LEX *lex= Lex;
+ uint ip= lex->sphead->instructions();
+ sp_label_t *lab= lex->spcont->last_label(); /* Jumping back */
+ sp_instr_jump_if_not *i = new sp_instr_jump_if_not(ip, $4, lab->ip);
+
+ lex->sphead->add_instr(i);
+ }
+ ;
create2:
'(' field_list ')' opt_create_table_options create3 {}
@@ -1524,8 +2047,30 @@ alter:
LEX *lex=Lex;
lex->sql_command=SQLCOM_ALTER_DB;
lex->name=$3.str;
- };
+ }
+ | ALTER PROCEDURE ident
+ /* QQ Characteristics missing for now */
+ opt_restrict
+ {
+ LEX *lex=Lex;
+
+ /* This is essensially an no-op right now, since we haven't
+ put the characteristics in yet. */
+ lex->sql_command= SQLCOM_ALTER_PROCEDURE;
+ lex->udf.name= $3;
+ }
+ | ALTER FUNCTION_SYM ident
+ /* QQ Characteristics missing for now */
+ opt_restrict
+ {
+ LEX *lex=Lex;
+ /* This is essensially an no-op right now, since we haven't
+ put the characteristics in yet. */
+ lex->sql_command= SQLCOM_ALTER_FUNCTION;
+ lex->udf.name= $3;
+ }
+ ;
alter_list:
| alter_list_item
@@ -2213,6 +2758,8 @@ simple_expr:
{ $$= ((Item*(*)(Item*,Item*))($1.symbol->create_func))($3,$5);}
| FUNC_ARG3 '(' expr ',' expr ',' expr ')'
{ $$= ((Item*(*)(Item*,Item*,Item*))($1.symbol->create_func))($3,$5,$7);}
+ | REPEAT_SYM '(' expr ',' expr ')'
+ { $$= new Item_func_repeat($3,$5); }
| ATAN '(' expr ')'
{ $$= new Item_func_atan($3); }
| ATAN '(' expr ',' expr ')'
@@ -2450,6 +2997,14 @@ simple_expr:
{ $$= new Item_func_round($3,$5,1); }
| TRUE_SYM
{ $$= new Item_int((char*) "TRUE",1,1); }
+ | SP_FUNC '(' udf_expr_list ')'
+ {
+ sp_add_fun_to_lex(Lex, $1);
+ if ($3)
+ $$= new Item_func_sp($1, *$3);
+ else
+ $$= new Item_func_sp($1);
+ }
| UDA_CHAR_SUM '(' udf_expr_list ')'
{
if ($3 != NULL)
@@ -3077,11 +3632,33 @@ select_var_list:
| select_var_ident {}
;
-select_var_ident: '@' ident_or_text
+select_var_ident:
+ '@' ident_or_text
+ {
+ LEX *lex=Lex;
+ if (lex->result)
+ ((select_dumpvar *)lex->result)->var_list.push_back( new my_var($2,0,0));
+ else
+ YYABORT;
+ }
+ | ident_or_text
{
LEX *lex=Lex;
- if (lex->result && ((select_dumpvar *)lex->result)->var_list.push_back((LEX_STRING*) sql_memdup(&$2,sizeof(LEX_STRING))))
+ if (!lex->spcont)
+ YYABORT;
+ sp_pvar_t *t;
+ if (!(t=lex->spcont->find_pvar(&$1)))
+ {
+ send_error(lex->thd, ER_SYNTAX_ERROR);
YYABORT;
+ }
+ if (! lex->result)
+ YYABORT;
+ else
+ {
+ ((select_dumpvar *)lex->result)->var_list.push_back( new my_var($1,1,t->offset));
+ t->isset= TRUE;
+ }
}
;
@@ -3160,13 +3737,21 @@ drop:
lex->drop_if_exists=$3;
lex->name=$4.str;
}
- | DROP UDF_SYM IDENT_sys
+ | DROP FUNCTION_SYM if_exists IDENT_sys opt_restrict
{
LEX *lex=Lex;
lex->sql_command = SQLCOM_DROP_FUNCTION;
- lex->udf.name = $3;
- };
-
+ lex->drop_if_exists= $3;
+ lex->udf.name= $4;
+ }
+ | DROP PROCEDURE if_exists IDENT_sys opt_restrict
+ {
+ LEX *lex=Lex;
+ lex->sql_command = SQLCOM_DROP_PROCEDURE;
+ lex->drop_if_exists= $3;
+ lex->udf.name= $4;
+ }
+ ;
table_list:
table_name
@@ -3222,7 +3807,6 @@ replace:
}
insert_field_spec
{}
- {}
;
insert_lock_option:
@@ -3961,8 +4545,25 @@ order_ident:
simple_ident:
ident
{
- SELECT_LEX_NODE *sel=Select;
- $$ = !sel->create_refs || sel->get_in_sum_expr() > 0 ? (Item*) new Item_field(NullS,NullS,$1.str) : (Item*) new Item_ref(NullS,NullS,$1.str);
+ sp_pvar_t *spv;
+ LEX *lex = Lex;
+ sp_pcontext *spc = lex->spcont;
+
+ if (spc && (spv = spc->find_pvar(&$1)))
+ { /* We're compiling a stored procedure and found a variable */
+ if (lex->sql_command != SQLCOM_CALL && ! spv->isset)
+ {
+ net_printf(YYTHD, ER_SP_UNINIT_VAR, $1.str);
+ YYABORT;
+ }
+ else
+ $$ = (Item*) new Item_splocal(spv->offset);
+ }
+ else
+ {
+ SELECT_LEX_NODE *sel=Select;
+ $$ = !sel->create_refs || sel->get_in_sum_expr() > 0 ? (Item*) new Item_field(NullS,NullS,$1.str) : (Item*) new Item_ref(NullS,NullS,$1.str);
+ }
}
| ident '.' ident
{
@@ -4275,7 +4876,7 @@ keyword:
| TIMESTAMP {}
| TIME_SYM {}
| TYPE_SYM {}
- | UDF_SYM {}
+ | FUNCTION_SYM {}
| UNCOMMITTED_SYM {}
| UNICODE_SYM {}
| USE_FRM {}
@@ -4330,15 +4931,12 @@ opt_var_ident_type:
;
option_value:
- '@' ident_or_text equal expr
- {
- Lex->var_list.push_back(new set_var_user(new Item_func_set_user_var($2,$4)));
- }
- | internal_variable_name equal set_expr_or_default
+ '@' ident_or_text equal expr
{
- LEX *lex=Lex;
- lex->var_list.push_back(new set_var(lex->option_type, $1, $3));
+ Lex->var_list.push_back(new set_var_user(new Item_func_set_user_var($2,$4)));
}
+ | internal_or_splocal
+ {}
| '@' '@' opt_var_ident_type internal_variable_name equal set_expr_or_default
{
LEX *lex=Lex;
@@ -4439,6 +5037,32 @@ internal_variable_name:
}
;
+internal_or_splocal:
+ ident equal set_expr_or_default
+ {
+ LEX *lex= Lex;
+ sp_pcontext *spc= lex->spcont;
+ sp_pvar_t *spv;
+
+ if (!spc || !(spv = spc->find_pvar(&$1)))
+ { /* Not an SP local variable */
+ sys_var *tmp= find_sys_var($1.str, $1.length);
+
+ if (!tmp)
+ YYABORT;
+ lex->var_list.push_back(new set_var(lex->option_type, tmp, $3));
+ }
+ else
+ { /* An SP local variable */
+ sp_instr_set *i= new sp_instr_set(lex->sphead->instructions(),
+ spv->offset, $3, spv->type);
+
+ lex->sphead->add_instr(i);
+ spv->isset= TRUE;
+ }
+ }
+ ;
+
isolation_types:
READ_SYM UNCOMMITTED_SYM { $$= ISO_READ_UNCOMMITTED; }
| READ_SYM COMMITTED_SYM { $$= ISO_READ_COMMITTED; }