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WL#5370 Keep forward-compatibility when changing

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'CREATE TABLE IF NOT EXISTS ... SELECT' behaviour
BUG#47132, BUG#47442, BUG49494, BUG#23992 and BUG#48814 will disappear
automatically after the this patch.
BUG#55617 is fixed by this patch too.
            
This is the 5.5 part.
It implements:
- 'CREATE TABLE IF NOT EXISTS ... SELECT' statement will not insert
  anything and binlog anything if the table already exists.
  It only generate a warning that table already exists.
- A couple of test cases for the behavior changing.
This commit is contained in:
2010-08-18 17:35:41 +08:00
parent 8977575cff
commit d3b7cd3ff2
31 changed files with 806 additions and 302 deletions
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2
mysql-test/include/commit.inc
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@ -723,7 +723,7 @@ call p_verify_status_increment(4, 4, 4, 4);
--echo # Sic: no table is created.
create table if not exists t2 (a int) select 6 union select 7;
--echo # Sic: first commits the statement, and then the transaction.
call p_verify_status_increment(2, 0, 4, 4);
call p_verify_status_increment(2, 0, 2, 0);
create table t3 select a from t2;
call p_verify_status_increment(2, 0, 4, 4);
alter table t3 add column (b int);