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Removed lock wait timeout warning when using CREATE TABLE IF EXISTS

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mysql-test/r/create.result:
  Added test case to show that CREATE TABLE also is not waiting if table exists.
mysql-test/t/create.test:
  Added test case to show that CREATE TABLE also is not waiting if table exists.
sql/sql_base.cc:
  Clear also warnings from acquire_locks if we retry.
This commit is contained in:
Michael Widenius 2012-12-16 20:49:57 +02:00
parent 33f3a11e2d
commit b31909ffbb
3 changed files with 13 additions and 0 deletions
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6
mysql-test/r/create.result
View File

@ -2416,6 +2416,12 @@ create table if not exists t1 (a int, b int) select 2,2;
ERROR 42S01: Table 't1' already exists
create table if not exists t1 like t2;
ERROR 42S01: Table 't1' already exists
create table t1 (a int, b int);
ERROR 42S01: Table 't1' already exists
create table t1 (a int, b int) select 2,2;
ERROR 42S01: Table 't1' already exists
create table t1 like t2;
ERROR 42S01: Table 't1' already exists
select * from t1;
a b
1 1

6
mysql-test/t/create.test
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@ -2013,6 +2013,12 @@ create table if not exists t1 (a int, b int);
create table if not exists t1 (a int, b int) select 2,2;
--error ER_TABLE_EXISTS_ERROR
create table if not exists t1 like t2;
--error ER_TABLE_EXISTS_ERROR
create table t1 (a int, b int);
--error ER_TABLE_EXISTS_ERROR
create table t1 (a int, b int) select 2,2;
--error ER_TABLE_EXISTS_ERROR
create table t1 like t2;
disconnect user1;
connection default;
select * from t1;

1
sql/sql_base.cc
View File

@ -4779,6 +4779,7 @@ lock_table_names(THD *thd,
*/
if (check_if_table_exists(thd, tables_start, 1, &exists))
DBUG_RETURN(TRUE); // Should never happen
thd->warning_info->clear_warning_info(thd->query_id);
thd->clear_error(); // Forget timeout error
if (exists)
{