summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorunknown <bell@sanja.is.com.ua>2004-09-24 12:50:10 +0300
committerunknown <bell@sanja.is.com.ua>2004-09-24 12:50:10 +0300
commit66b4c82eac38fb2acc1f3f5e635f496c8b1c6a9a (patch)
tree085167e02e69de92b0e1c744cb9f87a33b2e0c76
parent79ffe4f504617693408ce717aad357cc09fbab4b (diff)
downloadmariadb-git-66b4c82eac38fb2acc1f3f5e635f496c8b1c6a9a.tar.gz
new show create view output
mysqldump view support (BUG#4972) workaround to allow view work after LOCK TABLES client/mysqldump.c: view support mysql-test/r/lowercase_view.result: new show create view output mysql-test/r/view.result: new show create view output test of locked views mysql-test/t/view.test: new show create view output test of locked views sql/sql_base.cc: workaround to allow view work after LOCK TABLES sql/sql_show.cc: new show create view output (to help mysql dump detect views)
-rw-r--r--client/mysqldump.c204
-rw-r--r--mysql-test/r/lowercase_view.result2
-rw-r--r--mysql-test/r/view.result72
-rw-r--r--mysql-test/t/view.test41
-rw-r--r--sql/sql_base.cc30
-rw-r--r--sql/sql_show.cc18
6 files changed, 309 insertions, 58 deletions
diff --git a/client/mysqldump.c b/client/mysqldump.c
index c8392e2d502..f48f862a0e0 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -105,6 +105,8 @@ static uint opt_protocol= 0;
static char *default_charset= (char*) MYSQL_UNIVERSAL_CLIENT_CHARSET;
static CHARSET_INFO *charset_info= &my_charset_latin1;
const char *default_dbug_option="d:t:o,/tmp/mysqldump.trace";
+/* do we met VIEWs during tables scaning */
+my_bool was_views= 0;
const char *compatible_mode_names[]=
{
@@ -333,6 +335,8 @@ static int dump_databases(char **);
static int dump_all_databases();
static char *quote_name(const char *name, char *buff, my_bool force);
static const char *check_if_ignore_table(const char *table_name);
+static my_bool getViewStructure(char *table, char* db);
+static my_bool dump_all_views_in_db(char *database);
#include <help_start.h>
@@ -964,6 +968,7 @@ static uint getTableStructure(char *table, char* db)
{
/* Make an sql-file, if path was given iow. option -T was given */
char buff[20+FN_REFLEN];
+ MYSQL_FIELD *field;
sprintf(buff,"show create table %s", result_table);
if (mysql_query(sock, buff))
@@ -999,8 +1004,16 @@ static uint getTableStructure(char *table, char* db)
check_io(sql_file);
}
- tableRes=mysql_store_result(sock);
- row=mysql_fetch_row(tableRes);
+ tableRes= mysql_store_result(sock);
+ field= mysql_fetch_field_direct(tableRes, 0);
+ if (strcmp(field->name, "View") == 0)
+ {
+ if (verbose)
+ fprintf(stderr, "-- It's a view, skipped\n");
+ was_views= 1;
+ DBUG_RETURN(0)
+ }
+ row= mysql_fetch_row(tableRes);
fprintf(sql_file, "%s;\n", row[1]);
check_io(sql_file);
mysql_free_result(tableRes);
@@ -1752,6 +1765,21 @@ static int dump_all_databases()
if (dump_all_tables_in_db(row[0]))
result=1;
}
+ if (was_views)
+ {
+ if (mysql_query(sock, "SHOW DATABASES") ||
+ !(tableres = mysql_store_result(sock)))
+ {
+ my_printf_error(0, "Error: Couldn't execute 'SHOW DATABASES': %s",
+ MYF(0), mysql_error(sock));
+ return 1;
+ }
+ while ((row = mysql_fetch_row(tableres)))
+ {
+ if (dump_all_views_in_db(row[0]))
+ result=1;
+ }
+ }
return result;
}
/* dump_all_databases */
@@ -1760,11 +1788,20 @@ static int dump_all_databases()
static int dump_databases(char **db_names)
{
int result=0;
- for ( ; *db_names ; db_names++)
+ char **db;
+ for (db= db_names ; *db ; db++)
{
- if (dump_all_tables_in_db(*db_names))
+ if (dump_all_tables_in_db(*db))
result=1;
}
+ if (!result && was_views)
+ {
+ for (db= db_names ; *db ; db++)
+ {
+ if (dump_all_views_in_db(*db))
+ result=1;
+ }
+ }
return result;
} /* dump_databases */
@@ -1872,11 +1909,64 @@ static int dump_all_tables_in_db(char *database)
return 0;
} /* dump_all_tables_in_db */
+/*
+ dump structure of views of database
+
+ SYNOPSIS
+ dump_all_views_in_db()
+ database database name
+
+ RETURN
+ 0 OK
+ 1 ERROR
+*/
+
+static my_bool dump_all_views_in_db(char *database)
+{
+ char *table;
+ uint numrows;
+ char table_buff[NAME_LEN*2+3];
+ if (init_dumping(database))
+ return 1;
+ if (opt_xml)
+ print_xml_tag1(md_result_file, "", "database name=", database, "\n");
+ if (lock_tables)
+ {
+ DYNAMIC_STRING query;
+ init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
+ for (numrows= 0 ; (table= getTableName(1)); numrows++)
+ {
+ dynstr_append(&query, quote_name(table, table_buff, 1));
+ dynstr_append(&query, " READ /*!32311 LOCAL */,");
+ }
+ if (numrows && mysql_real_query(sock, query.str, query.length-1))
+ DBerror(sock, "when using LOCK TABLES");
+ /* We shall continue here, if --force was given */
+ dynstr_free(&query);
+ }
+ if (flush_logs)
+ {
+ if (mysql_refresh(sock, REFRESH_LOG))
+ DBerror(sock, "when doing refresh");
+ /* We shall continue here, if --force was given */
+ }
+ while ((table= getTableName(0)))
+ getViewStructure(table, database);
+ if (opt_xml)
+ {
+ fputs("</database>\n", md_result_file);
+ check_io(md_result_file);
+ }
+ if (lock_tables)
+ mysql_query(sock,"UNLOCK TABLES");
+ return 0;
+} /* dump_all_tables_in_db */
static int dump_selected_tables(char *db, char **table_names, int tables)
{
uint numrows;
+ int i;
char table_buff[NAME_LEN*+3];
if (init_dumping(db))
@@ -1884,7 +1974,6 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
if (lock_tables)
{
DYNAMIC_STRING query;
- int i;
init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
for (i=0 ; i < tables ; i++)
@@ -1905,11 +1994,16 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
}
if (opt_xml)
print_xml_tag1(md_result_file, "", "database name=", db, "\n");
- for (; tables > 0 ; tables-- , table_names++)
+ for (i=0 ; i < tables ; i++)
{
- numrows = getTableStructure(*table_names, db);
+ numrows = getTableStructure(table_names[i], db);
if (!dFlag && numrows > 0)
- dumpTable(numrows, *table_names);
+ dumpTable(numrows, table_names[i]);
+ }
+ if (was_views)
+ {
+ for (i=0 ; i < tables ; i++)
+ getViewStructure(table_names[i], db);
}
if (opt_xml)
{
@@ -2048,6 +2142,100 @@ static const char *check_if_ignore_table(const char *table_name)
}
+/*
+ Getting VIEW structure
+
+ SYNOPSIS
+ getViewStructure()
+ table view name
+ db db name
+
+ RETURN
+ 0 OK
+ 1 ERROR
+*/
+
+static my_bool getViewStructure(char *table, char* db)
+{
+ MYSQL_RES *tableRes;
+ MYSQL_ROW row;
+ MYSQL_FIELD *field;
+ char *result_table, *opt_quoted_table;
+ char table_buff[NAME_LEN*2+3];
+ char table_buff2[NAME_LEN*2+3];
+ char buff[20+FN_REFLEN];
+ FILE *sql_file = md_result_file;
+ DBUG_ENTER("getViewStructure");
+
+ if (tFlag)
+ DBUG_RETURN(0);
+
+ if (verbose)
+ fprintf(stderr, "-- Retrieving view structure for table %s...\n", table);
+
+ sprintf(insert_pat,"SET OPTION SQL_QUOTE_SHOW_CREATE=%d",
+ (opt_quoted || opt_keywords));
+ result_table= quote_name(table, table_buff, 1);
+ opt_quoted_table= quote_name(table, table_buff2, 0);
+
+ sprintf(buff,"show create table %s", result_table);
+ if (mysql_query(sock, buff))
+ {
+ fprintf(stderr, "%s: Can't get CREATE TABLE for view %s (%s)\n",
+ my_progname, result_table, mysql_error(sock));
+ safe_exit(EX_MYSQLERR);
+ DBUG_RETURN(0);
+ }
+
+ if (path)
+ {
+ char filename[FN_REFLEN], tmp_path[FN_REFLEN];
+ convert_dirname(tmp_path,path,NullS);
+ sql_file= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
+ O_WRONLY, MYF(MY_WME));
+ if (!sql_file) /* If file couldn't be opened */
+ {
+ safe_exit(EX_MYSQLERR);
+ DBUG_RETURN(1);
+ }
+ write_header(sql_file, db);
+ }
+ tableRes= mysql_store_result(sock);
+ field= mysql_fetch_field_direct(tableRes, 0);
+ if (strcmp(field->name, "View") != 0)
+ {
+ if (verbose)
+ fprintf(stderr, "-- It's base table, skipped\n");
+ DBUG_RETURN(0)
+ }
+
+ if (!opt_xml && opt_comments)
+ {
+ fprintf(sql_file, "\n--\n-- View structure for view %s\n--\n\n",
+ result_table);
+ check_io(sql_file);
+ }
+ if (opt_drop)
+ {
+ fprintf(sql_file, "DROP VIEW IF EXISTS %s;\n", opt_quoted_table);
+ check_io(sql_file);
+ }
+
+ row= mysql_fetch_row(tableRes);
+ fprintf(sql_file, "%s;\n", row[1]);
+ check_io(sql_file);
+ mysql_free_result(tableRes);
+
+ if (sql_file != md_result_file)
+ {
+ fputs("\n", sql_file);
+ write_footer(sql_file);
+ my_fclose(sql_file, MYF(MY_WME));
+ }
+ DBUG_RETURN(0);
+}
+
+
int main(int argc, char **argv)
{
MYSQL_ROW row;
diff --git a/mysql-test/r/lowercase_view.result b/mysql-test/r/lowercase_view.result
index 51f7dc758eb..32a7be3de01 100644
--- a/mysql-test/r/lowercase_view.result
+++ b/mysql-test/r/lowercase_view.result
@@ -6,7 +6,7 @@ use MySQLTest;
create table TaB (Field int);
create view ViE as select * from TAb;
show create table VIe;
-Table Create Table
+View Create View
vie CREATE VIEW `mysqltest`.`vie` AS select `mysqltest`.`tab`.`Field` AS `Field` from `mysqltest`.`tab`
drop database MySQLTest;
use test;
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index 155147b81e1..37c4506115b 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -31,10 +31,10 @@ c
6
11
show create table v1;
-Table Create Table
+View Create View
v1 CREATE VIEW `test`.`v1` AS select (`test`.`t1`.`b` + 1) AS `c` from `test`.`t1`
show create view v1;
-Table Create Table
+View Create View
v1 CREATE VIEW `test`.`v1` AS select (`test`.`t1`.`b` + 1) AS `c` from `test`.`t1`
show create view t1;
ERROR HY000: 'test.t1' is not VIEW
@@ -53,8 +53,8 @@ id select_type table type possible_keys key key_len ref rows Extra
Warnings:
Note 1003 select (`test`.`t1`.`b` + 1) AS `c` from `test`.`v1`
create algorithm=temptable view v2 (c) as select b+1 from t1;
-show create table v2;
-Table Create Table
+show create view v2;
+View Create View
v2 CREATE ALGORITHM=TEMPTABLE VIEW `test`.`v2` AS select (`test`.`t1`.`b` + 1) AS `c` from `test`.`t1`
select c from v2;
c
@@ -286,66 +286,66 @@ c bigint(20) YES NULL
d bigint(20) YES NULL
explain select c from mysqltest.v1;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create table mysqltest.v1;
+show create view mysqltest.v1;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v1'
explain select c from mysqltest.v2;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create table mysqltest.v2;
+show create view mysqltest.v2;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v2'
explain select c from mysqltest.v3;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create table mysqltest.v3;
+show create view mysqltest.v3;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v3'
explain select c from mysqltest.v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create table mysqltest.v4;
+show create view mysqltest.v4;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v4'
grant select on mysqltest.t1 to mysqltest_1@localhost;
explain select c from mysqltest.v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
-show create table mysqltest.v1;
+show create view mysqltest.v1;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v1'
explain select c from mysqltest.v2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
-show create table mysqltest.v2;
+show create view mysqltest.v2;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v2'
explain select c from mysqltest.v3;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create table mysqltest.v3;
+show create view mysqltest.v3;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v3'
explain select c from mysqltest.v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
-show create table mysqltest.v4;
+show create view mysqltest.v4;
ERROR 42000: show create view command denied to user 'mysqltest_1'@'localhost' for table 'v4'
grant show view on mysqltest.* to mysqltest_1@localhost;
explain select c from mysqltest.v1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
-show create table mysqltest.v1;
-Table Create Table
+show create view mysqltest.v1;
+View Create View
v1 CREATE VIEW `mysqltest`.`v1` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1`
explain select c from mysqltest.v2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
-show create table mysqltest.v2;
-Table Create Table
+show create view mysqltest.v2;
+View Create View
v2 CREATE ALGORITHM=TEMPTABLE VIEW `mysqltest`.`v2` AS select (`mysqltest`.`t1`.`a` + 1) AS `c`,(`mysqltest`.`t1`.`b` + 1) AS `d` from `mysqltest`.`t1`
explain select c from mysqltest.v3;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 system NULL NULL NULL NULL 0 const row not found
-show create table mysqltest.v3;
-Table Create Table
+show create view mysqltest.v3;
+View Create View
v3 CREATE VIEW `mysqltest`.`v3` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2`
explain select c from mysqltest.v4;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL no matching row in const table
-show create table mysqltest.v4;
-Table Create Table
+show create view mysqltest.v4;
+View Create View
v4 CREATE ALGORITHM=TEMPTABLE VIEW `mysqltest`.`v4` AS select (`mysqltest`.`t2`.`a` + 1) AS `c`,(`mysqltest`.`t2`.`b` + 1) AS `d` from `mysqltest`.`t2`
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
delete from mysql.user where user='mysqltest_1';
@@ -946,7 +946,7 @@ set sql_mode='ansi';
create table t1 ("a*b" int);
create view v1 as select "a*b" from t1;
show create view v1;
-Table Create Table
+View Create View
v1 CREATE VIEW "test"."v1" AS select `test`.`t1`.`a*b` AS `a*b` from `test`.`t1`
drop view v1;
drop table t1;
@@ -1054,7 +1054,7 @@ drop view v1;
drop table t1;
CREATE VIEW v1 (f1,f2,f3,f4) AS SELECT connection_id(), pi(), current_user(), version();
SHOW CREATE VIEW v1;
-Table Create Table
+View Create View
v1 CREATE VIEW `test`.`v1` AS select sql_no_cache connection_id() AS `f1`,pi() AS `f2`,current_user() AS `f3`,version() AS `f4`
drop view v1;
create table t1 (s1 int);
@@ -1088,13 +1088,13 @@ create table t2 (a int);
create view v1 as select a from t1;
create view v2 as select a from t2 where a in (select a from v1);
show create view v2;
-Table Create Table
+View Create View
v2 CREATE VIEW `test`.`v2` AS select `test`.`t2`.`a` AS `a` from `test`.`t2` where `a` in (select `v1`.`a` AS `a` from `test`.`v1`)
drop view v2, v1;
drop table t1, t2;
CREATE VIEW `v 1` AS select 5 AS `5`;
show create view `v 1`;
-Table Create Table
+View Create View
v 1 CREATE VIEW `test`.`v 1` AS select 5 AS `5`
drop view `v 1`;
create database mysqltest;
@@ -1162,14 +1162,14 @@ select * from v3;
a b
1 1
show create view v3;
-Table Create Table
+View Create View
v3 CREATE VIEW `test`.`v3` AS select `v1`.`col1` AS `a`,`v2`.`col1` AS `b` from `test`.`v1` join `test`.`v2` where (`v1`.`col1` = `v2`.`col1`)
drop view v3, v2, v1;
drop table t2, t1;
create function `f``1` () returns int return 5;
create view v1 as select test.`f``1` ();
show create view v1;
-Table Create Table
+View Create View
v1 CREATE VIEW `test`.`v1` AS select `test`.`f``1`() AS `test.``f````1`` ()`
select * from v1;
test.`f``1` ()
@@ -1186,10 +1186,10 @@ drop function x;
create table t2 (col1 char collate latin1_german2_ci);
create view v2 as select col1 collate latin1_german1_ci from t2;
show create view v2;
-Table Create Table
+View Create View
v2 CREATE VIEW `test`.`v2` AS select (`test`.`t2`.`col1` collate latin1_german1_ci) AS `col1 collate latin1_german1_ci` from `test`.`t2`
show create view v2;
-Table Create Table
+View Create View
v2 CREATE VIEW `test`.`v2` AS select (`test`.`t2`.`col1` collate latin1_german1_ci) AS `col1 collate latin1_german1_ci` from `test`.`t2`
drop view v2;
drop table t2;
@@ -1220,7 +1220,7 @@ drop view v1;
drop table t1;
create view v1 as select 99999999999999999999999999999999999999999999999999999 as col1;
show create view v1;
-Table Create Table
+View Create View
v1 CREATE VIEW `test`.`v1` AS select 99999999999999999999999999999999999999999999999999999 AS `col1`
drop view v1;
create table tü (cü char);
@@ -1241,7 +1241,7 @@ drop view v1;
drop table t1;
create view v1 as select cast(1 as char(3));
show create view v1;
-Table Create Table
+View Create View
v1 CREATE VIEW `test`.`v1` AS select cast(1 as char(3) charset latin1) AS `cast(1 as char(3))`
select * from v1;
cast(1 as char(3))
@@ -1311,7 +1311,7 @@ a a a
3 2 3
3 3 3
drop view v1;
-drop table t1;
+drop table t1, t2;
create table t1 (s1 char);
create view v1 as select s1 collate latin1_german1_ci as s1 from t1;
insert into v1 values ('a');
@@ -1328,3 +1328,13 @@ s1
c
drop view v1;
drop table t1;
+create table t1 (a int);
+create table t2 (a int);
+create view v1 as select * from t1;
+lock tables t1 read, v1 read;
+select * from v1;
+a
+select * from t2;
+ERROR HY000: Table 't2' was not locked with LOCK TABLES
+drop view v1;
+drop table t1, t2;
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index b76d40bea01..6b7b2a1e427 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -55,7 +55,7 @@ select v1.b from v1;
# view with different algorithms (explain out put are differ)
explain extended select c from v1;
create algorithm=temptable view v2 (c) as select b+1 from t1;
-show create table v2;
+show create view v2;
select c from v2;
explain extended select c from v2;
@@ -268,19 +268,19 @@ show columns from mysqltest.v2;
-- error 1345
explain select c from mysqltest.v1;
-- error 1142
-show create table mysqltest.v1;
+show create view mysqltest.v1;
-- error 1345
explain select c from mysqltest.v2;
-- error 1142
-show create table mysqltest.v2;
+show create view mysqltest.v2;
-- error 1345
explain select c from mysqltest.v3;
-- error 1142
-show create table mysqltest.v3;
+show create view mysqltest.v3;
-- error 1345
explain select c from mysqltest.v4;
-- error 1142
-show create table mysqltest.v4;
+show create view mysqltest.v4;
# allow to see one of underlaing table
connection root;
@@ -289,32 +289,32 @@ connection user1;
# EXPLAIN of view on above table works
explain select c from mysqltest.v1;
-- error 1142
-show create table mysqltest.v1;
+show create view mysqltest.v1;
explain select c from mysqltest.v2;
-- error 1142
-show create table mysqltest.v2;
+show create view mysqltest.v2;
# but other EXPLAINs do not
-- error 1345
explain select c from mysqltest.v3;
-- error 1142
-show create table mysqltest.v3;
+show create view mysqltest.v3;
-- error 1345
explain select c from mysqltest.v4;
-- error 1142
-show create table mysqltest.v4;
+show create view mysqltest.v4;
# allow to see any view in mysqltest database
connection root;
grant show view on mysqltest.* to mysqltest_1@localhost;
connection user1;
explain select c from mysqltest.v1;
-show create table mysqltest.v1;
+show create view mysqltest.v1;
explain select c from mysqltest.v2;
-show create table mysqltest.v2;
+show create view mysqltest.v2;
explain select c from mysqltest.v3;
-show create table mysqltest.v3;
+show create view mysqltest.v3;
explain select c from mysqltest.v4;
-show create table mysqltest.v4;
+show create view mysqltest.v4;
connection root;
revoke all privileges on mysqltest.* from mysqltest_1@localhost;
@@ -1280,7 +1280,7 @@ create view v1 as select a from t1 where a > 1;
select * from t1 left join (t2 as t, v1) on v1.a=t1.a;
select * from t1 left join (t2 as t, t2) on t2.a=t1.a;
drop view v1;
-drop table t1;
+drop table t1, t2;
#
# Collation with view update
@@ -1295,3 +1295,16 @@ update v1,t1 set v1.s1='c' where t1.s1=v1.s1;
select * from v1;
drop view v1;
drop table t1;
+
+#
+# test view with LOCK TABLES (work around)
+#
+create table t1 (a int);
+create table t2 (a int);
+create view v1 as select * from t1;
+lock tables t1 read, v1 read;
+select * from v1;
+-- error 1100
+select * from t2;
+drop view v1;
+drop table t1, t2;
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 8587942e30e..e7c2cfe3534 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -906,6 +906,36 @@ TABLE *open_table(THD *thd, TABLE_LIST *table_list, MEM_ROOT *mem_root,
goto reset;
}
}
+ /*
+ is it view?
+ (it is work around to allow to open view with locked tables,
+ real fix will be made after definition cache will be made)
+ */
+ {
+ char path[FN_REFLEN];
+ strxnmov(path, FN_REFLEN, mysql_data_home, "/", table_list->db, "/",
+ table_list->real_name, reg_ext, NullS);
+ (void) unpack_filename(path, path);
+ if (mysql_frm_type(path) == FRMTYPE_VIEW)
+ {
+ VOID(pthread_mutex_lock(&LOCK_open));
+ if (open_unireg_entry(thd, table, table_list->db,
+ table_list->real_name,
+ alias, table_list, mem_root))
+ {
+ table->next=table->prev=table;
+ free_cache_entry(table);
+ }
+ else
+ {
+ DBUG_ASSERT(table_list->view);
+ my_free((gptr)table, MYF(0));
+ VOID(pthread_mutex_unlock(&LOCK_open));
+ DBUG_RETURN(0); // VIEW
+ }
+ VOID(pthread_mutex_unlock(&LOCK_open));
+ }
+ }
my_printf_error(ER_TABLE_NOT_LOCKED,ER(ER_TABLE_NOT_LOCKED),MYF(0),alias);
DBUG_RETURN(0);
}
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 1209be6ac1d..49e2c244d32 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -879,6 +879,7 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
table_list->real_name, "VIEW");
DBUG_RETURN(-1);
}
+
table= table_list->table;
if ((table_list->view ?
@@ -887,10 +888,19 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
DBUG_RETURN(-1);
List<Item> field_list;
- field_list.push_back(new Item_empty_string("Table",NAME_LEN));
- // 1024 is for not to confuse old clients
- field_list.push_back(new Item_empty_string("Create Table",
- max(buffer.length(),1024)));
+ if (table_list->view)
+ {
+ field_list.push_back(new Item_empty_string("View",NAME_LEN));
+ field_list.push_back(new Item_empty_string("Create View",
+ max(buffer.length(),1024)));
+ }
+ else
+ {
+ field_list.push_back(new Item_empty_string("Table",NAME_LEN));
+ // 1024 is for not to confuse old clients
+ field_list.push_back(new Item_empty_string("Create Table",
+ max(buffer.length(),1024)));
+ }
if (protocol->send_fields(&field_list,
Protocol::SEND_NUM_ROWS | Protocol::SEND_EOF))