aftermerge

date(left(f1+0,8))

2005-06-06

drop table t1;

CREATE TABLE t1 (n int);

INSERT INTO t1 VALUES (1);

SELECT n+1 AS n FROM t1 GROUP BY n;

n

2

Warnings:

Warning	1052	Column 'n' in group statement is ambiguous

DROP TABLE t1;

create table t1(f1 varchar(5) key);

insert into t1 values (1),(2);

select sql_buffer_result max(f1) is null from t1;

max(f1)+1

3

drop table t1;

CREATE TABLE t1 (n int);

INSERT INTO t1 VALUES (1);

SELECT n+1 AS n FROM t1 GROUP BY n;

n

2

Warnings:

Warning	1052	Column 'n' in group statement is ambiguous

DROP TABLE t1;

create table t1 (c1 char(3), c2 char(3));

create table t2 (c3 char(3), c4 char(3));

insert into t1 values ('aaa', 'bb1'), ('aaa', 'bb2');

INSERT INTO t1 VALUES ('trans1'), ('trans2');

CREATE TABLE t2 (id varchar(20) NOT NULL, err_comment blob NOT NULL);

INSERT INTO t2 VALUES ('trans1', 'a problem');

#

# BUG#12695: Item_func_isnull::update_used_tables

# did not update const_item_cache

#

create table t1(f1 varchar(5) key);

insert into t1 values (1),(2);

select sql_buffer_result max(f1) is null from t1;

select sql_buffer_result max(f1)+1 from t1;

drop table t1;

SELECT COUNT(DISTINCT(t1.id)), LEFT(err_comment, 256) AS comment

  FROM t1 LEFT JOIN t2 ON t1.id=t2.id GROUP BY comment;