path: root/mysql-test/t/warnings.test

#
# Test some warnings
#
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
SET SQL_WARNINGS=1;

create table t1 (a int);
--error 1050
create table t1 (a int);
show count(*) errors;
show errors;
show warnings;
--error 1115
create table t2(a int) default charset qwerty;
show count(*) errors;
show errors;
--error 1064
create table t (i);
show count(*) errors;
show errors;
insert into t1 values (1);
insert into t1 values ("hej");
insert into t1 values ("hej"),("då");
set SQL_WARNINGS=1;
insert into t1 values ("hej");
insert into t1 values ("hej"),("då");
drop table t1;
set SQL_WARNINGS=0;

#
# Test other warnings
#

drop temporary table if exists not_exists;
drop table if exists not_exists_table;
show warnings limit 1;
drop database if exists not_exists_db;
show count(*) warnings;
create table t1(id int);
create table if not exists t1(id int);
--disable_ps_protocol
select @@warning_count;
--enable_ps_protocol
drop table t1;

#
# Test warnings for LOAD DATA INFILE
#

create table t1(a tinyint, b int not null, c date, d char(5));
load data infile '../../std_data/warnings_loaddata.dat' into table t1 fields terminated by ',';
# PS doesn't work good with @@warning_count
--disable_ps_protocol
select @@warning_count;
--enable_ps_protocol
drop table t1;

#
# Warnings from basic INSERT, UPDATE and ALTER commands
#

create table t1(a tinyint NOT NULL, b tinyint unsigned, c char(5));
insert into t1 values(NULL,100,'mysql'),(10,-1,'mysql ab'),(500,256,'open source'),(20,NULL,'test');
alter table t1 modify c char(4);
alter table t1 add d char(2);
update t1 set a=NULL where a=10;
update t1 set c='mysql ab' where c='test';
update t1 set d=c;
create table t2(a tinyint NOT NULL, b char(3));
insert into t2 select b,c from t1;
insert into t2(b) values('mysqlab');
set sql_warnings=1;
insert into t2(b) values('mysqlab');
set sql_warnings=0;
drop table t1, t2;

#
# Test for max_error_count
#

create table t1(a char(10));
let $1=50;
--disable_query_log
begin;
while ($1)
{
  eval insert into t1 values('mysql ab');
  dec $1;
}
commit;
--enable_query_log
alter table t1 add b char;
set max_error_count=10;
update t1 set b=a;
--disable_ps_protocol
select @@warning_count;
--enable_ps_protocol

# Bug#9072
set max_error_count=0;
show variables like 'max_error_count';
update t1 set b='hi';
--disable_ps_protocol
select @@warning_count;
--enable_ps_protocol
show warnings;
set max_error_count=65535;
show variables like 'max_error_count';
set max_error_count=10;
show variables like 'max_error_count';

drop table t1;

#
# Tests for show warnings limit a, b
#
create table t1 (a int);
insert into t1 (a) values (1), (2), (3), (4), (5), (6), (7), (8), (9), (10);
# should generate 10 warnings
update t1 set a='abc';
show warnings limit 2, 1;
show warnings limit 0, 10;
show warnings limit 9, 1;
show warnings limit 10, 1;
show warnings limit 9, 2;
show warnings limit 0, 0;
show warnings limit 1;
show warnings limit 0;
show warnings limit 1, 0;
# make sure behaviour is consistent with select ... limit
select * from t1 limit 0;
select * from t1 limit 1, 0;
select * from t1 limit 0, 0;
drop table t1;

--echo End of 4.1 tests

#
# Bug#20778: strange characters in warning message 1366 when called in SP
#

CREATE TABLE t1( f1 CHAR(20) );
CREATE TABLE t2( f1 CHAR(20), f2 CHAR(25) );
CREATE TABLE t3( f1 CHAR(20), f2 CHAR(25), f3 DATE );

INSERT INTO t1 VALUES ( 'a`' );
INSERT INTO t2 VALUES ( 'a`', 'a`' );
INSERT INTO t3 VALUES ( 'a`', 'a`', '1000-01-1' );

DROP PROCEDURE IF EXISTS sp1;
DROP PROCEDURE IF EXISTS sp2;
DROP PROCEDURE IF EXISTS sp3;
delimiter //;
CREATE PROCEDURE sp1()
BEGIN
   DECLARE x NUMERIC ZEROFILL;
   SELECT f1 INTO x FROM t1 LIMIT 1;
END//
CREATE PROCEDURE sp2()
BEGIN
   DECLARE x NUMERIC ZEROFILL;
   SELECT f1 INTO x FROM t2 LIMIT 1;
END//
CREATE PROCEDURE sp3()
BEGIN
   DECLARE x NUMERIC ZEROFILL;
   SELECT f1 INTO x FROM t3 LIMIT 1;
END//
delimiter ;//
CALL sp1();
CALL sp2();
CALL sp3();

DROP PROCEDURE IF EXISTS sp1;
delimiter //;
CREATE PROCEDURE sp1()
BEGIN
declare x numeric unsigned zerofill;
SELECT f1 into x from t2 limit 1;
END//
delimiter ;//
CALL sp1();
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP PROCEDURE sp1;
DROP PROCEDURE sp2;
DROP PROCEDURE sp3;

#
# Bug#30059: End-space truncation warnings are inconsistent or incorrect
#

create table t1 (c_char char(255), c_varchar varchar(255), c_tinytext tinytext);
create table t2 (c_tinyblob tinyblob); # not affected by bug, for regression testing
set @c = repeat(' ', 256);
set @q = repeat('q', 256);

set sql_mode = '';

insert into t1 values(@c, @c, @c);
insert into t2 values(@c);
insert into t1 values(@q, @q, @q);
insert into t2 values(@q);

set sql_mode = 'traditional';

insert into t1 values(@c, @c, @c);
--error 1406
insert into t2 values(@c);
--error 1406
insert into t1 values(@q, NULL, NULL);
--error 1406
insert into t1 values(NULL, @q, NULL);
--error 1406
insert into t1 values(NULL, NULL, @q);
--error 1406
insert into t2 values(@q);

drop table t1, t2;

#
# Bug#42364 SHOW ERRORS returns empty resultset after dropping non existent table
#
--error ER_BAD_TABLE_ERROR
DROP TABLE t1;
SHOW ERRORS;

--echo End of 5.0 tests

#
# Test warning with row numbers
#

set sql_mode = default;
select CAST(a AS DECIMAL(13,5)) FROM (SELECT '' as a) t;
create table t1 (a integer unsigned);
insert into t1 values (1),(-1),(0),(-2);
drop table t1;

--echo End of 5.1 tests

#
# Bug#55847: SHOW WARNINGS returns empty result set when SQLEXCEPTION is active
#

--echo
--echo -- Bug#55847
--echo

--disable_warnings
DROP TABLE IF EXISTS t1;
DROP FUNCTION IF EXISTS f1;
--enable_warnings

CREATE TABLE t1(a INT UNIQUE);

delimiter |;

CREATE FUNCTION f1(x INT) RETURNS INT
BEGIN
  INSERT INTO t1 VALUES(x);
  INSERT INTO t1 VALUES(x);
  RETURN x;
END|

delimiter ;|

--echo

--error ER_DUP_ENTRY
SHOW TABLES WHERE f1(11) = 11;

--echo

SHOW WARNINGS;

--echo

DROP TABLE t1;
DROP FUNCTION f1;