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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:
unknown 2010-08-18 17:35:41 +08:00
commit d0d8bbed5e
31 changed files with 803 additions and 299 deletions
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12
mysql-test/t/trigger.test
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@ -1751,7 +1751,7 @@ create trigger t1_ai after insert on t1 for each row set @a := 7;
create table t2 (j int);
insert into t2 values (1), (2);
set @a:="";
create table if not exists t1 select * from t2;
insert into t1 select * from t2;
select * from t1;
select @a;
# Let us check that trigger that involves table also works ok.
@ -1759,7 +1759,7 @@ drop trigger t1_bi;
drop trigger t1_ai;
create table t3 (isave int);
create trigger t1_bi before insert on t1 for each row insert into t3 values (new.i);
create table if not exists t1 select * from t2;
insert into t1 select * from t2;
select * from t1;
select * from t3;
drop table t1, t2, t3;
@ -1975,7 +1975,7 @@ select * from t1_op_log;
truncate t1;
truncate t1_op_log;
create table if not exists t1
insert into t1
select NULL, "CREATE TABLE ... SELECT, inserting a new key";
set @id=last_insert_id();
@ -1984,7 +1984,7 @@ select * from t1;
select * from t1_op_log;
truncate t1_op_log;
create table if not exists t1 replace
replace into t1
select @id, "CREATE TABLE ... REPLACE SELECT, deleting a duplicate key";
select * from t1;
@ -2114,7 +2114,7 @@ select * from t1_op_log;
truncate t1;
truncate t1_op_log;
create table if not exists v1
insert into v1
select NULL, "CREATE TABLE ... SELECT, inserting a new key";
set @id=last_insert_id();
@ -2123,7 +2123,7 @@ select * from t1;
select * from t1_op_log;
truncate t1_op_log;
create table if not exists v1 replace
replace into v1
select @id, "CREATE TABLE ... REPLACE SELECT, deleting a duplicate key";
select * from t1;