Merge bk-internal.mysql.com:/home/bk/mysql-5.0

into  mysql.com:/opt/local/work/mysql-5.0-runtime


mysql-test/r/func_sapdb.result:
  Auto merged
mysql-test/r/func_time.result:
  Auto merged
mysql-test/t/func_sapdb.test:
  Auto merged
mysql-test/t/func_time.test:
  Auto merged
sql/item.h:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged

13 files changed, 169 insertions, 44 deletions

diff --git a/mysql-test/r/func_time.result b/mysql-test/r/func_time.result
index 96591086f00..66fe355ffce 100644
--- a/mysql-test/r/func_time.result
+++ b/mysql-test/r/func_time.result
@@ -361,12 +361,6 @@ extract(SECOND FROM "1999-01-02 10:11:12")
 select extract(MONTH FROM "2001-02-00");
 extract(MONTH FROM "2001-02-00")
 2
-SELECT DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
-DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE)
-9999-12-31 00:00:00
-SELECT DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
-DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE)
-9999-12-31 00:00:00
 SELECT EXTRACT(QUARTER FROM '2004-01-15') AS quarter;
 quarter
 1
@@ -403,6 +397,12 @@ quarter
 SELECT EXTRACT(QUARTER FROM '2004-12-15') AS quarter;
 quarter
 4
+SELECT DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
+DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE)
+9999-12-31 00:00:00
+SELECT DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
+DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE)
+9999-12-31 00:00:00
 SELECT "1900-01-01 00:00:00" + INTERVAL 2147483648 SECOND;
 "1900-01-01 00:00:00" + INTERVAL 2147483648 SECOND
 1968-01-20 03:14:08
diff --git a/mysql-test/r/information_schema.result b/mysql-test/r/information_schema.result
index 64969fcdf44..a2feba7ad5d 100644
--- a/mysql-test/r/information_schema.result
+++ b/mysql-test/r/information_schema.result
@@ -294,26 +294,26 @@ show create function sub1;
 ERROR 42000: FUNCTION sub1 does not exist
 select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
 ROUTINE_NAME	ROUTINE_DEFINITION
-sel2	
-sub1	
+sel2	NULL
+sub1	NULL
 grant all privileges on test.* to mysqltest_1@localhost;
 select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
 ROUTINE_NAME	ROUTINE_DEFINITION
-sel2	
-sub1	
+sel2	NULL
+sub1	NULL
 create function sub2(i int) returns int
 return i+1;
 select ROUTINE_NAME, ROUTINE_DEFINITION from information_schema.ROUTINES;
 ROUTINE_NAME	ROUTINE_DEFINITION
-sel2	
-sub1	
+sel2	NULL
+sub1	NULL
 sub2	return i+1
 show create procedure sel2;
 Procedure	sql_mode	Create Procedure
-sel2		
+sel2		NULL
 show create function sub1;
 Function	sql_mode	Create Function
-sub1		
+sub1		NULL
 show create function sub2;
 Function	sql_mode	Create Function
 sub2		CREATE DEFINER=`mysqltest_1`@`localhost` FUNCTION `sub2`(i int) RETURNS int(11)
@@ -1134,3 +1134,39 @@ concat(@a, table_name)	@a	table_name
 .t1	.	t1
 .t2	.	t2
 drop table t1,t2;
+DROP PROCEDURE IF EXISTS p1;
+DROP FUNCTION IF EXISTS f1;
+CREATE PROCEDURE p1() SET @a= 1;
+CREATE FUNCTION f1() RETURNS INT RETURN @a + 1;
+CREATE USER mysql_bug20230@localhost;
+GRANT EXECUTE ON PROCEDURE p1 TO mysql_bug20230@localhost;
+GRANT EXECUTE ON FUNCTION f1 TO mysql_bug20230@localhost;
+SELECT ROUTINE_NAME, ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES;
+ROUTINE_NAME	ROUTINE_DEFINITION
+f1	RETURN @a + 1
+p1	SET @a= 1
+SHOW CREATE PROCEDURE p1;
+Procedure	sql_mode	Create Procedure
+p1		CREATE DEFINER=`root`@`localhost` PROCEDURE `p1`()
+SET @a= 1
+SHOW CREATE FUNCTION f1;
+Function	sql_mode	Create Function
+f1		CREATE DEFINER=`root`@`localhost` FUNCTION `f1`() RETURNS int(11)
+RETURN @a + 1
+SELECT ROUTINE_NAME, ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES;
+ROUTINE_NAME	ROUTINE_DEFINITION
+f1	NULL
+p1	NULL
+SHOW CREATE PROCEDURE p1;
+Procedure	sql_mode	Create Procedure
+p1		NULL
+SHOW CREATE FUNCTION f1;
+Function	sql_mode	Create Function
+f1		NULL
+CALL p1();
+SELECT f1();
+f1()
+2
+DROP FUNCTION f1;
+DROP PROCEDURE p1;
+DROP USER mysql_bug20230@localhost;
diff --git a/mysql-test/r/sp-vars.result b/mysql-test/r/sp-vars.result
index 6b4d7b1a6d3..83ee188bfa4 100644
--- a/mysql-test/r/sp-vars.result
+++ b/mysql-test/r/sp-vars.result
@@ -1075,3 +1075,18 @@ SELECT f1();
 f1()
 abc
 DROP FUNCTION f1;
+DROP PROCEDURE IF EXISTS p1;
+CREATE PROCEDURE p1()
+BEGIN
+DECLARE v_char VARCHAR(255);
+DECLARE v_text TEXT DEFAULT '';
+SET v_char = 'abc';
+SET v_text = v_char;
+SET v_char = 'def';
+SET v_text = concat(v_text, '|', v_char);
+SELECT v_text;
+END|
+CALL p1();
+v_text
+abc|def
+DROP PROCEDURE p1;
diff --git a/mysql-test/t/func_time.test b/mysql-test/t/func_time.test
index 920ad31c1d4..188e5667009 100644
--- a/mysql-test/t/func_time.test
+++ b/mysql-test/t/func_time.test
@@ -143,10 +143,6 @@ select extract(SECOND FROM "1999-01-02 10:11:12");
 select extract(MONTH FROM "2001-02-00");
 
 #
-# MySQL Bugs: #12356: DATE_SUB or DATE_ADD incorrectly returns null
-#
-SELECT DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
-SELECT DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
 # test EXTRACT QUARTER (Bug #18100)
 #
 
@@ -162,7 +158,11 @@ SELECT EXTRACT(QUARTER FROM '2004-09-15') AS quarter;
 SELECT EXTRACT(QUARTER FROM '2004-10-15') AS quarter;
 SELECT EXTRACT(QUARTER FROM '2004-11-15') AS quarter;
 SELECT EXTRACT(QUARTER FROM '2004-12-15') AS quarter;
-
+#
+# MySQL Bugs: #12356: DATE_SUB or DATE_ADD incorrectly returns null
+#
+SELECT DATE_SUB(str_to_date('9999-12-31 00:01:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
+SELECT DATE_ADD(str_to_date('9999-12-30 23:59:00','%Y-%m-%d %H:%i:%s'), INTERVAL 1 MINUTE);
 
 #
 # Test big intervals (Bug #3498)
diff --git a/mysql-test/t/information_schema.test b/mysql-test/t/information_schema.test
index 0bcd9ef8c0b..a2e19112cf9 100644
--- a/mysql-test/t/information_schema.test
+++ b/mysql-test/t/information_schema.test
@@ -852,3 +852,39 @@ create table t2(f1 char(5));
 select concat(@a, table_name), @a, table_name
 from information_schema.tables where table_schema = 'test';
 drop table t1,t2;
+
+
+#
+# Bug#20230: routine_definition is not null
+#
+--disable_warnings
+DROP PROCEDURE IF EXISTS p1;
+DROP FUNCTION IF EXISTS f1;
+--enable_warnings
+
+CREATE PROCEDURE p1() SET @a= 1;
+CREATE FUNCTION f1() RETURNS INT RETURN @a + 1;
+CREATE USER mysql_bug20230@localhost;
+GRANT EXECUTE ON PROCEDURE p1 TO mysql_bug20230@localhost;
+GRANT EXECUTE ON FUNCTION f1 TO mysql_bug20230@localhost;
+
+SELECT ROUTINE_NAME, ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES;
+SHOW CREATE PROCEDURE p1;
+SHOW CREATE FUNCTION f1;
+
+connect (conn1, localhost, mysql_bug20230,,);
+
+SELECT ROUTINE_NAME, ROUTINE_DEFINITION FROM INFORMATION_SCHEMA.ROUTINES;
+SHOW CREATE PROCEDURE p1;
+SHOW CREATE FUNCTION f1;
+CALL p1();
+SELECT f1();
+
+disconnect conn1;
+connection default;
+
+DROP FUNCTION f1;
+DROP PROCEDURE p1;
+DROP USER mysql_bug20230@localhost;
+
+# End of 5.0 tests.
diff --git a/mysql-test/t/sp-vars.test b/mysql-test/t/sp-vars.test
index 81504904797..48dbd4de7aa 100644
--- a/mysql-test/t/sp-vars.test
+++ b/mysql-test/t/sp-vars.test
@@ -1271,3 +1271,39 @@ SELECT f1();
 #
 
 DROP FUNCTION f1;
+
+
+#
+# Bug#17226: Variable set in cursor on first iteration is assigned
+# second iterations value
+#
+# The problem was in incorrect handling of local variables of type
+# TEXT (BLOB).
+#
+--disable_warnings
+DROP PROCEDURE IF EXISTS p1;
+--enable_warnings
+
+delimiter |;
+CREATE PROCEDURE p1()
+BEGIN
+  DECLARE v_char VARCHAR(255);
+  DECLARE v_text TEXT DEFAULT '';
+
+  SET v_char = 'abc';
+
+  SET v_text = v_char;
+
+  SET v_char = 'def';
+
+  SET v_text = concat(v_text, '|', v_char);
+
+  SELECT v_text;
+END|
+delimiter ;|
+
+CALL p1();
+
+DROP PROCEDURE p1;
+
+# End of 5.0 tests.
diff --git a/sql/field_conv.cc b/sql/field_conv.cc
index 4e977c06180..3200f2ca9b2 100644
--- a/sql/field_conv.cc
+++ b/sql/field_conv.cc
@@ -675,9 +675,14 @@ void field_conv(Field *to,Field *from)
   {						// Be sure the value is stored
     Field_blob *blob=(Field_blob*) to;
     from->val_str(&blob->value);
-    if (!blob->value.is_alloced() &&
-	from->real_type() != MYSQL_TYPE_STRING &&
-        from->real_type() != MYSQL_TYPE_VARCHAR)
+    /*
+      Copy value if copy_blobs is set, or source is not a string and
+      we have a pointer to its internal string conversion buffer.
+    */
+    if (to->table->copy_blobs ||
+        (!blob->value.is_alloced() &&
+         from->real_type() != MYSQL_TYPE_STRING &&
+         from->real_type() != MYSQL_TYPE_VARCHAR))
       blob->value.copy();
     blob->store(blob->value.ptr(),blob->value.length(),from->charset());
     return;
diff --git a/sql/item.h b/sql/item.h
index 534d20b3aec..2190ce78374 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -827,13 +827,6 @@ protected:
 public:
   LEX_STRING m_name;
 
-  /*
-    Buffer, pointing to the string value of the item. We need it to
-    protect internal buffer from changes. See comment to analogous
-    member in Item_param for more details.
-  */
-  String str_value_ptr;
-
 public:
 #ifndef DBUG_OFF
   /*
diff --git a/sql/sp_head.cc b/sql/sp_head.cc
index b3b99557b63..9965c48935a 100644
--- a/sql/sp_head.cc
+++ b/sql/sp_head.cc
@@ -1869,8 +1869,11 @@ sp_head::show_create_procedure(THD *thd)
   field_list.push_back(new Item_empty_string("Procedure", NAME_LEN));
   field_list.push_back(new Item_empty_string("sql_mode", sql_mode_len));
   // 1024 is for not to confuse old clients
-  field_list.push_back(new Item_empty_string("Create Procedure",
-					     max(buffer.length(), 1024)));
+  Item_empty_string *definition=
+    new Item_empty_string("Create Procedure", max(buffer.length(),1024));
+  definition->maybe_null= TRUE;
+  field_list.push_back(definition);
+
   if (protocol->send_fields(&field_list, Protocol::SEND_NUM_ROWS |
                                          Protocol::SEND_EOF))
     DBUG_RETURN(1);
@@ -1879,6 +1882,8 @@ sp_head::show_create_procedure(THD *thd)
   protocol->store((char*) sql_mode_str, sql_mode_len, system_charset_info);
   if (full_access)
     protocol->store(m_defstr.str, m_defstr.length, system_charset_info);
+  else
+    protocol->store_null();
   res= protocol->write();
   send_eof(thd);
 
@@ -1934,8 +1939,11 @@ sp_head::show_create_function(THD *thd)
                                                        &sql_mode_len);
   field_list.push_back(new Item_empty_string("Function",NAME_LEN));
   field_list.push_back(new Item_empty_string("sql_mode", sql_mode_len));
-  field_list.push_back(new Item_empty_string("Create Function",
-					     max(buffer.length(),1024)));
+  Item_empty_string *definition=
+    new Item_empty_string("Create Function", max(buffer.length(),1024));
+  definition->maybe_null= TRUE;
+  field_list.push_back(definition);
+
   if (protocol->send_fields(&field_list,
                             Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))
     DBUG_RETURN(1);
@@ -1944,6 +1952,8 @@ sp_head::show_create_function(THD *thd)
   protocol->store((char*) sql_mode_str, sql_mode_len, system_charset_info);
   if (full_access)
     protocol->store(m_defstr.str, m_defstr.length, system_charset_info);
+  else
+    protocol->store_null();
   res= protocol->write();
   send_eof(thd);
 
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index 47af816f41d..7d4dca15608 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -41,8 +41,6 @@ sys_var_long_ptr trg_new_row_fake_var(0, 0);
 #define yySkip()	lex->ptr++
 #define yyLength()	((uint) (lex->ptr - lex->tok_start)-1)
 
-pthread_key(LEX*,THR_LEX);
-
 /* Longest standard keyword name */
 #define TOCK_NAME_LENGTH 24
 
@@ -91,8 +89,6 @@ void lex_init(void)
   for (i=0 ; i < array_elements(sql_functions) ; i++)
     sql_functions[i].length=(uchar) strlen(sql_functions[i].name);
 
-  VOID(pthread_key_create(&THR_LEX,NULL));
-
   DBUG_VOID_RETURN;
 }
 
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 285e1d6d5a6..356c64526fa 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -1116,6 +1116,3 @@ extern void lex_start(THD *thd, uchar *buf,uint length);
 extern void lex_end(LEX *lex);
 extern int MYSQLlex(void *arg, void *yythd);
 
-extern pthread_key(LEX*,THR_LEX);
-
-#define current_lex (current_thd->lex)
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 7c07b4f8847..4ffa56404a5 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -2365,7 +2365,7 @@ static void reset_one_shot_variables(THD *thd)
 
 
 /*
-  Execute command saved in thd and current_lex->sql_command
+  Execute command saved in thd and lex->sql_command
 
   SYNOPSIS
     mysql_execute_command()
@@ -5547,7 +5547,7 @@ bool check_stack_overrun(THD *thd, long margin,
 
 bool my_yyoverflow(short **yyss, YYSTYPE **yyvs, ulong *yystacksize)
 {
-  LEX	*lex=current_lex;
+  LEX	*lex= current_thd->lex;
   ulong old_info=0;
   if ((uint) *yystacksize >= MY_YACC_MAX)
     return 1;
@@ -5984,7 +5984,7 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
 
 void store_position_for_column(const char *name)
 {
-  current_lex->last_field->after=my_const_cast(char*) (name);
+  current_thd->lex->last_field->after=my_const_cast(char*) (name);
 }
 
 bool
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 60d50c415d5..2c7a9b05cd9 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -2916,6 +2916,7 @@ bool store_schema_proc(THD *thd, TABLE *table, TABLE *proc_table,
       {
         get_field(thd->mem_root, proc_table->field[10], &tmp_string);
         table->field[7]->store(tmp_string.ptr(), tmp_string.length(), cs);
+        table->field[7]->set_notnull();
       }
       table->field[6]->store(STRING_WITH_LEN("SQL"), cs);
       table->field[10]->store(STRING_WITH_LEN("SQL"), cs);
@@ -4069,7 +4070,7 @@ ST_FIELD_INFO proc_fields_info[]=
   {"ROUTINE_TYPE", 9, MYSQL_TYPE_STRING, 0, 0, "Type"},
   {"DTD_IDENTIFIER", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
   {"ROUTINE_BODY", 8, MYSQL_TYPE_STRING, 0, 0, 0},
-  {"ROUTINE_DEFINITION", 65535, MYSQL_TYPE_STRING, 0, 0, 0},
+  {"ROUTINE_DEFINITION", 65535, MYSQL_TYPE_STRING, 0, 1, 0},
   {"EXTERNAL_NAME", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
   {"EXTERNAL_LANGUAGE", NAME_LEN, MYSQL_TYPE_STRING, 0, 1, 0},
   {"PARAMETER_STYLE", 8, MYSQL_TYPE_STRING, 0, 0, 0},