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Commit 969f4918 authored by Alexander Barkov's avatar Alexander Barkov
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MDEV-7005 NULLIF does not work as documented 

MDEV-7146 NULLIF returns unexpected result with a YEAR field
parent 9f4abde6
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Showing with 1595 additions and 62 deletions
mysql-test/r/ctype_binary.result
View file @ 969f4918
......@@ -2900,7 +2900,7 @@ SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`d` date DEFAULT NULL,
`bad` varbinary(10) DEFAULT NULL
`bad` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1, t2;
SET NAMES latin1;
......
mysql-test/r/ctype_cp1251.result
View file @ 969f4918
......@@ -3292,7 +3292,7 @@ SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`d` date DEFAULT NULL,
`bad` varchar(10) CHARACTER SET cp1251 DEFAULT NULL
`bad` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1, t2;
SET NAMES latin1;
......
mysql-test/r/ctype_latin1.result
View file @ 969f4918
......@@ -3576,7 +3576,7 @@ SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`d` date DEFAULT NULL,
`bad` varchar(10) DEFAULT NULL
`bad` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1, t2;
SET NAMES latin1;
......
mysql-test/r/ctype_ucs.result
View file @ 969f4918
......@@ -4483,7 +4483,7 @@ SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`d` date DEFAULT NULL,
`bad` varchar(10) CHARACTER SET ucs2 DEFAULT NULL
`bad` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1, t2;
SET NAMES latin1;
......
mysql-test/r/ctype_utf8.result
View file @ 969f4918
......@@ -5351,7 +5351,7 @@ SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`d` date DEFAULT NULL,
`bad` varchar(10) CHARACTER SET utf8 DEFAULT NULL
`bad` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1, t2;
SET NAMES latin1;
......
mysql-test/r/null.result
View file @ 969f4918
......@@ -241,7 +241,7 @@ t1 CREATE TABLE `t1` (
`c11` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c12` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c13` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c14` char(0) CHARACTER SET latin2 DEFAULT NULL,
`c14` binary(0) DEFAULT NULL,
`c15` char(0) CHARACTER SET latin2 DEFAULT NULL,
`c16` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c17` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
......@@ -382,3 +382,961 @@ CREATE TABLE t2 (d DATE) ENGINE=MyISAM;
SELECT * FROM t1,t2 WHERE 1 IS NOT NULL AND t1.b IS NULL;
a b c d
DROP TABLE t1,t2;
#
# Start of 10.1 tests
#
#
# MDEV-7146 NULLIF returns unexpected result with a YEAR field
#
CREATE TABLE t1 (a YEAR(2));
Warnings:
Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
INSERT INTO t1 VALUES (0);
SELECT a,NULLIF(a,2000),NULLIF(2000,a) FROM t1;
a NULLIF(a,2000) NULLIF(2000,a)
00 NULL NULL
SELECT a,NULLIF(a,2001),NULLIF(2001,a) FROM t1;
a NULLIF(a,2001) NULLIF(2001,a)
00 0 2001
DROP TABLE t1;
#
# MDEV-7005 NULLIF does not work as documented
#
CREATE TABLE t1 (a TIME);
CREATE TABLE t2 AS SELECT a,NULLIF(a,a), CASE WHEN a=a THEN NULL ELSE a END FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` time DEFAULT NULL,
`NULLIF(a,a)` time DEFAULT NULL,
`CASE WHEN a=a THEN NULL ELSE a END` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1,t2;
SELECT NULLIF(_latin1'a' COLLATE latin1_general_ci, _latin1'a' COLLATE latin1_bin);
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation 'nullif'
CREATE TABLE t1 AS SELECT
NULLIF(1,1),
NULLIF(1,1.0),
NULLIF(1,1e0),
NULLIF(1,'2001-01-01'),
NULLIF(1,TIME'00:00:00');
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '2001-01-01'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(1,1)` int(1) DEFAULT NULL,
`NULLIF(1,1.0)` int(1) DEFAULT NULL,
`NULLIF(1,1e0)` int(1) DEFAULT NULL,
`NULLIF(1,'2001-01-01')` int(1) DEFAULT NULL,
`NULLIF(1,TIME'00:00:00')` int(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(1.0,1),
NULLIF(1.0,1.0),
NULLIF(1.0,1e0),
NULLIF(1.0,'2001-01-01'),
NULLIF(1.0,TIME'00:00:00');
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '2001-01-01'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(1.0,1)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,1.0)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,1e0)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,'2001-01-01')` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,TIME'00:00:00')` decimal(2,1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(1e0,1),
NULLIF(1e0,1.0),
NULLIF(1e0,1e0),
NULLIF(1e0,'2001-01-01'),
NULLIF(1e0,TIME'00:00:00');
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '2001-01-01'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(1e0,1)` double DEFAULT NULL,
`NULLIF(1e0,1.0)` double DEFAULT NULL,
`NULLIF(1e0,1e0)` double DEFAULT NULL,
`NULLIF(1e0,'2001-01-01')` double DEFAULT NULL,
`NULLIF(1e0,TIME'00:00:00')` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF('1',1),
NULLIF('1',1.0),
NULLIF('1',1e0),
NULLIF('1','2001-01-01'),
NULLIF('1',TIME'00:00:00');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF('1',1)` varchar(1) DEFAULT NULL,
`NULLIF('1',1.0)` varchar(1) DEFAULT NULL,
`NULLIF('1',1e0)` varchar(1) DEFAULT NULL,
`NULLIF('1','2001-01-01')` varchar(1) DEFAULT NULL,
`NULLIF('1',TIME'00:00:00')` varchar(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1.0),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1e0),
NULLIF(TIMESTAMP'2001-01-01 00:00:00','2001-01-01'),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',TIME'00:00:00');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',1)` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',1.0)` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',1e0)` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00','2001-01-01')` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',TIME'00:00:00')` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(DATE'2001-01-01',1),
NULLIF(DATE'2001-01-01',1.0),
NULLIF(DATE'2001-01-01',1e0),
NULLIF(DATE'2001-01-01','2001-01-01'),
NULLIF(DATE'2001-01-01',TIME'00:00:00');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(DATE'2001-01-01',1)` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01',1.0)` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01',1e0)` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01','2001-01-01')` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01',TIME'00:00:00')` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(TIME'00:00:01',1),
NULLIF(TIME'00:00:01',1.0),
NULLIF(TIME'00:00:01',1e0),
NULLIF(TIME'00:00:01','00:00:00'),
NULLIF(TIME'00:00:01',DATE'2001-01-01');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(TIME'00:00:01',1)` time DEFAULT NULL,
`NULLIF(TIME'00:00:01',1.0)` time DEFAULT NULL,
`NULLIF(TIME'00:00:01',1e0)` time DEFAULT NULL,
`NULLIF(TIME'00:00:01','00:00:00')` time DEFAULT NULL,
`NULLIF(TIME'00:00:01',DATE'2001-01-01')` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1
(
c_tinyint TINYINT,
c_smallint SMALLINT,
c_int INT,
c_bigint BIGINT,
c_float FLOAT,
c_double DOUBLE,
c_decimal103 DECIMAL(10,3),
c_varchar10 VARCHAR(10),
c_text TEXT,
c_blob BLOB,
c_enum ENUM('one','two','tree'),
c_datetime3 DATETIME(3),
c_timestamp3 TIMESTAMP(3),
c_date DATE,
c_time TIME
);
#
# Checking that the return type depends only on args[0], even when compared to a super type
#
CREATE TABLE t2 AS SELECT
NULLIF(c_tinyint, 1),
NULLIF(c_tinyint, c_smallint),
NULLIF(c_tinyint, c_tinyint),
NULLIF(c_tinyint, c_int),
NULLIF(c_tinyint, c_bigint),
NULLIF(c_tinyint, c_float),
NULLIF(c_tinyint, c_double),
NULLIF(c_tinyint, c_decimal103),
NULLIF(c_tinyint, c_varchar10),
NULLIF(c_tinyint, c_text),
NULLIF(c_tinyint, c_blob),
NULLIF(c_tinyint, c_enum),
NULLIF(c_tinyint, c_datetime3),
NULLIF(c_tinyint, c_timestamp3),
NULLIF(c_tinyint, c_date),
NULLIF(c_tinyint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_tinyint, 1)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_smallint)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_tinyint)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_int)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_bigint)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_float)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_double)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_decimal103)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_varchar10)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_text)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_blob)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_enum)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_datetime3)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_timestamp3)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_date)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_time)` int(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_smallint, 1),
NULLIF(c_smallint, c_smallint),
NULLIF(c_smallint, c_tinyint),
NULLIF(c_smallint, c_int),
NULLIF(c_smallint, c_bigint),
NULLIF(c_smallint, c_float),
NULLIF(c_smallint, c_double),
NULLIF(c_smallint, c_decimal103),
NULLIF(c_smallint, c_varchar10),
NULLIF(c_smallint, c_text),
NULLIF(c_smallint, c_blob),
NULLIF(c_smallint, c_enum),
NULLIF(c_smallint, c_datetime3),
NULLIF(c_smallint, c_timestamp3),
NULLIF(c_smallint, c_date),
NULLIF(c_smallint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_smallint, 1)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_smallint)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_tinyint)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_int)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_bigint)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_float)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_double)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_decimal103)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_varchar10)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_text)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_blob)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_enum)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_datetime3)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_timestamp3)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_date)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_time)` int(6) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_int, 1),
NULLIF(c_int, c_smallint),
NULLIF(c_int, c_tinyint),
NULLIF(c_int, c_int),
NULLIF(c_int, c_bigint),
NULLIF(c_int, c_float),
NULLIF(c_int, c_double),
NULLIF(c_int, c_decimal103),
NULLIF(c_int, c_varchar10),
NULLIF(c_int, c_text),
NULLIF(c_int, c_blob),
NULLIF(c_int, c_enum),
NULLIF(c_int, c_datetime3),
NULLIF(c_int, c_timestamp3),
NULLIF(c_int, c_date),
NULLIF(c_int, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_int, 1)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_smallint)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_tinyint)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_int)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_bigint)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_float)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_double)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_decimal103)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_varchar10)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_text)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_blob)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_enum)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_datetime3)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_timestamp3)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_date)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_time)` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_bigint, 1),
NULLIF(c_bigint, c_smallint),
NULLIF(c_bigint, c_tinyint),
NULLIF(c_bigint, c_int),
NULLIF(c_bigint, c_bigint),
NULLIF(c_bigint, c_float),
NULLIF(c_bigint, c_double),
NULLIF(c_bigint, c_decimal103),
NULLIF(c_bigint, c_varchar10),
NULLIF(c_bigint, c_text),
NULLIF(c_bigint, c_blob),
NULLIF(c_bigint, c_enum),
NULLIF(c_bigint, c_datetime3),
NULLIF(c_bigint, c_timestamp3),
NULLIF(c_bigint, c_date),
NULLIF(c_bigint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_bigint, 1)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_smallint)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_tinyint)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_int)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_bigint)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_float)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_double)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_decimal103)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_varchar10)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_text)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_blob)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_enum)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_datetime3)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_timestamp3)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_date)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_time)` bigint(20) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_float, 1),
NULLIF(c_float, c_smallint),
NULLIF(c_float, c_tinyint),
NULLIF(c_float, c_int),
NULLIF(c_float, c_bigint),
NULLIF(c_float, c_float),
NULLIF(c_float, c_double),
NULLIF(c_float, c_decimal103),
NULLIF(c_float, c_varchar10),
NULLIF(c_float, c_text),
NULLIF(c_float, c_blob),
NULLIF(c_float, c_enum),
NULLIF(c_float, c_datetime3),
NULLIF(c_float, c_timestamp3),
NULLIF(c_float, c_date),
NULLIF(c_float, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_float, 1)` double DEFAULT NULL,
`NULLIF(c_float, c_smallint)` double DEFAULT NULL,
`NULLIF(c_float, c_tinyint)` double DEFAULT NULL,
`NULLIF(c_float, c_int)` double DEFAULT NULL,
`NULLIF(c_float, c_bigint)` double DEFAULT NULL,
`NULLIF(c_float, c_float)` double DEFAULT NULL,
`NULLIF(c_float, c_double)` double DEFAULT NULL,
`NULLIF(c_float, c_decimal103)` double DEFAULT NULL,
`NULLIF(c_float, c_varchar10)` double DEFAULT NULL,
`NULLIF(c_float, c_text)` double DEFAULT NULL,
`NULLIF(c_float, c_blob)` double DEFAULT NULL,
`NULLIF(c_float, c_enum)` double DEFAULT NULL,
`NULLIF(c_float, c_datetime3)` double DEFAULT NULL,
`NULLIF(c_float, c_timestamp3)` double DEFAULT NULL,
`NULLIF(c_float, c_date)` double DEFAULT NULL,
`NULLIF(c_float, c_time)` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_double, 1),
NULLIF(c_double, c_smallint),
NULLIF(c_double, c_tinyint),
NULLIF(c_double, c_int),
NULLIF(c_double, c_bigint),
NULLIF(c_double, c_float),
NULLIF(c_double, c_double),
NULLIF(c_double, c_decimal103),
NULLIF(c_double, c_varchar10),
NULLIF(c_double, c_text),
NULLIF(c_double, c_blob),
NULLIF(c_double, c_enum),
NULLIF(c_double, c_datetime3),
NULLIF(c_double, c_timestamp3),
NULLIF(c_double, c_date),
NULLIF(c_double, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_double, 1)` double DEFAULT NULL,
`NULLIF(c_double, c_smallint)` double DEFAULT NULL,
`NULLIF(c_double, c_tinyint)` double DEFAULT NULL,
`NULLIF(c_double, c_int)` double DEFAULT NULL,
`NULLIF(c_double, c_bigint)` double DEFAULT NULL,
`NULLIF(c_double, c_float)` double DEFAULT NULL,
`NULLIF(c_double, c_double)` double DEFAULT NULL,
`NULLIF(c_double, c_decimal103)` double DEFAULT NULL,
`NULLIF(c_double, c_varchar10)` double DEFAULT NULL,
`NULLIF(c_double, c_text)` double DEFAULT NULL,
`NULLIF(c_double, c_blob)` double DEFAULT NULL,
`NULLIF(c_double, c_enum)` double DEFAULT NULL,
`NULLIF(c_double, c_datetime3)` double DEFAULT NULL,
`NULLIF(c_double, c_timestamp3)` double DEFAULT NULL,
`NULLIF(c_double, c_date)` double DEFAULT NULL,
`NULLIF(c_double, c_time)` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_decimal103, 1),
NULLIF(c_decimal103, c_smallint),
NULLIF(c_decimal103, c_tinyint),
NULLIF(c_decimal103, c_int),
NULLIF(c_decimal103, c_bigint),
NULLIF(c_decimal103, c_float),
NULLIF(c_decimal103, c_double),
NULLIF(c_decimal103, c_decimal103),
NULLIF(c_decimal103, c_varchar10),
NULLIF(c_decimal103, c_text),
NULLIF(c_decimal103, c_blob),
NULLIF(c_decimal103, c_enum),
NULLIF(c_decimal103, c_datetime3),
NULLIF(c_decimal103, c_timestamp3),
NULLIF(c_decimal103, c_date),
NULLIF(c_decimal103, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_decimal103, 1)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_smallint)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_tinyint)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_int)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_bigint)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_float)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_double)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_decimal103)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_varchar10)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_text)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_blob)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_enum)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_datetime3)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_timestamp3)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_date)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_time)` decimal(10,3) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_varchar10, 1),
NULLIF(c_varchar10, c_smallint),
NULLIF(c_varchar10, c_tinyint),
NULLIF(c_varchar10, c_int),
NULLIF(c_varchar10, c_bigint),
NULLIF(c_varchar10, c_float),
NULLIF(c_varchar10, c_double),
NULLIF(c_varchar10, c_decimal103),
NULLIF(c_varchar10, c_varchar10),
NULLIF(c_varchar10, c_text),
NULLIF(c_varchar10, c_blob),
NULLIF(c_varchar10, c_enum),
NULLIF(c_varchar10, c_datetime3),
NULLIF(c_varchar10, c_timestamp3),
NULLIF(c_varchar10, c_date),
NULLIF(c_varchar10, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_varchar10, 1)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_smallint)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_tinyint)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_int)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_bigint)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_float)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_double)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_decimal103)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_varchar10)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_text)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_blob)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_enum)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_datetime3)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_timestamp3)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_date)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_time)` varchar(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_text, 1),
NULLIF(c_text, c_smallint),
NULLIF(c_text, c_tinyint),
NULLIF(c_text, c_int),
NULLIF(c_text, c_bigint),
NULLIF(c_text, c_float),
NULLIF(c_text, c_double),
NULLIF(c_text, c_decimal103),
NULLIF(c_text, c_varchar10),
NULLIF(c_text, c_text),
NULLIF(c_text, c_blob),
NULLIF(c_text, c_enum),
NULLIF(c_text, c_datetime3),
NULLIF(c_text, c_timestamp3),
NULLIF(c_text, c_date),
NULLIF(c_text, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_text, 1)` longtext,
`NULLIF(c_text, c_smallint)` longtext,
`NULLIF(c_text, c_tinyint)` longtext,
`NULLIF(c_text, c_int)` longtext,
`NULLIF(c_text, c_bigint)` longtext,
`NULLIF(c_text, c_float)` longtext,
`NULLIF(c_text, c_double)` longtext,
`NULLIF(c_text, c_decimal103)` longtext,
`NULLIF(c_text, c_varchar10)` longtext,
`NULLIF(c_text, c_text)` longtext,
`NULLIF(c_text, c_blob)` longtext,
`NULLIF(c_text, c_enum)` longtext,
`NULLIF(c_text, c_datetime3)` longtext,
`NULLIF(c_text, c_timestamp3)` longtext,
`NULLIF(c_text, c_date)` longtext,
`NULLIF(c_text, c_time)` longtext
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_blob, 1),
NULLIF(c_blob, c_smallint),
NULLIF(c_blob, c_tinyint),
NULLIF(c_blob, c_int),
NULLIF(c_blob, c_bigint),
NULLIF(c_blob, c_float),
NULLIF(c_blob, c_double),
NULLIF(c_blob, c_decimal103),
NULLIF(c_blob, c_varchar10),
NULLIF(c_blob, c_text),
NULLIF(c_blob, c_blob),
NULLIF(c_blob, c_enum),
NULLIF(c_blob, c_datetime3),
NULLIF(c_blob, c_timestamp3),
NULLIF(c_blob, c_date),
NULLIF(c_blob, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_blob, 1)` longblob,
`NULLIF(c_blob, c_smallint)` longblob,
`NULLIF(c_blob, c_tinyint)` longblob,
`NULLIF(c_blob, c_int)` longblob,
`NULLIF(c_blob, c_bigint)` longblob,
`NULLIF(c_blob, c_float)` longblob,
`NULLIF(c_blob, c_double)` longblob,
`NULLIF(c_blob, c_decimal103)` longblob,
`NULLIF(c_blob, c_varchar10)` longblob,
`NULLIF(c_blob, c_text)` longblob,
`NULLIF(c_blob, c_blob)` longblob,
`NULLIF(c_blob, c_enum)` longblob,
`NULLIF(c_blob, c_datetime3)` longblob,
`NULLIF(c_blob, c_timestamp3)` longblob,
`NULLIF(c_blob, c_date)` longblob,
`NULLIF(c_blob, c_time)` longblob
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_enum, 1),
NULLIF(c_enum, c_smallint),
NULLIF(c_enum, c_tinyint),
NULLIF(c_enum, c_int),
NULLIF(c_enum, c_bigint),
NULLIF(c_enum, c_float),
NULLIF(c_enum, c_double),
NULLIF(c_enum, c_decimal103),
NULLIF(c_enum, c_varchar10),
NULLIF(c_enum, c_text),
NULLIF(c_enum, c_blob),
NULLIF(c_enum, c_enum),
NULLIF(c_enum, c_datetime3),
NULLIF(c_enum, c_timestamp3),
NULLIF(c_enum, c_date),
NULLIF(c_enum, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_enum, 1)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_smallint)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_tinyint)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_int)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_bigint)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_float)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_double)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_decimal103)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_varchar10)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_text)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_blob)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_enum)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_datetime3)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_timestamp3)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_date)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_time)` varchar(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_datetime3, 1),
NULLIF(c_datetime3, c_smallint),
NULLIF(c_datetime3, c_tinyint),
NULLIF(c_datetime3, c_int),
NULLIF(c_datetime3, c_bigint),
NULLIF(c_datetime3, c_float),
NULLIF(c_datetime3, c_double),
NULLIF(c_datetime3, c_decimal103),
NULLIF(c_datetime3, c_varchar10),
NULLIF(c_datetime3, c_text),
NULLIF(c_datetime3, c_blob),
NULLIF(c_datetime3, c_enum),
NULLIF(c_datetime3, c_datetime3),
NULLIF(c_datetime3, c_timestamp3),
NULLIF(c_datetime3, c_date),
NULLIF(c_datetime3, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_datetime3, 1)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_smallint)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_tinyint)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_int)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_bigint)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_float)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_double)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_decimal103)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_varchar10)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_text)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_blob)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_enum)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_datetime3)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_timestamp3)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_date)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_time)` datetime(3) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_timestamp3, 1),
NULLIF(c_timestamp3, c_smallint),
NULLIF(c_timestamp3, c_tinyint),
NULLIF(c_timestamp3, c_int),
NULLIF(c_timestamp3, c_bigint),
NULLIF(c_timestamp3, c_float),
NULLIF(c_timestamp3, c_double),
NULLIF(c_timestamp3, c_decimal103),
NULLIF(c_timestamp3, c_varchar10),
NULLIF(c_timestamp3, c_text),
NULLIF(c_timestamp3, c_blob),
NULLIF(c_timestamp3, c_enum),
NULLIF(c_timestamp3, c_datetime3),
NULLIF(c_timestamp3, c_timestamp3),
NULLIF(c_timestamp3, c_date),
NULLIF(c_timestamp3, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_timestamp3, 1)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_smallint)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_tinyint)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_int)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_bigint)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_float)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_double)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_decimal103)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_varchar10)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_text)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_blob)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_enum)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_datetime3)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_timestamp3)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_date)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_time)` timestamp(3) NULL DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_date, 1),
NULLIF(c_date, c_smallint),
NULLIF(c_date, c_tinyint),
NULLIF(c_date, c_int),
NULLIF(c_date, c_bigint),
NULLIF(c_date, c_float),
NULLIF(c_date, c_double),
NULLIF(c_date, c_decimal103),
NULLIF(c_date, c_varchar10),
NULLIF(c_date, c_text),
NULLIF(c_date, c_blob),
NULLIF(c_date, c_enum),
NULLIF(c_date, c_datetime3),
NULLIF(c_date, c_timestamp3),
NULLIF(c_date, c_date),
NULLIF(c_date, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_date, 1)` date DEFAULT NULL,
`NULLIF(c_date, c_smallint)` date DEFAULT NULL,
`NULLIF(c_date, c_tinyint)` date DEFAULT NULL,
`NULLIF(c_date, c_int)` date DEFAULT NULL,
`NULLIF(c_date, c_bigint)` date DEFAULT NULL,
`NULLIF(c_date, c_float)` date DEFAULT NULL,
`NULLIF(c_date, c_double)` date DEFAULT NULL,
`NULLIF(c_date, c_decimal103)` date DEFAULT NULL,
`NULLIF(c_date, c_varchar10)` date DEFAULT NULL,
`NULLIF(c_date, c_text)` date DEFAULT NULL,
`NULLIF(c_date, c_blob)` date DEFAULT NULL,
`NULLIF(c_date, c_enum)` date DEFAULT NULL,
`NULLIF(c_date, c_datetime3)` date DEFAULT NULL,
`NULLIF(c_date, c_timestamp3)` date DEFAULT NULL,
`NULLIF(c_date, c_date)` date DEFAULT NULL,
`NULLIF(c_date, c_time)` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_time, 1),
NULLIF(c_time, c_smallint),
NULLIF(c_time, c_tinyint),
NULLIF(c_time, c_int),
NULLIF(c_time, c_bigint),
NULLIF(c_time, c_float),
NULLIF(c_time, c_double),
NULLIF(c_time, c_decimal103),
NULLIF(c_time, c_varchar10),
NULLIF(c_time, c_text),
NULLIF(c_time, c_blob),
NULLIF(c_time, c_enum),
NULLIF(c_time, c_datetime3),
NULLIF(c_time, c_timestamp3),
NULLIF(c_time, c_date),
NULLIF(c_time, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_time, 1)` time DEFAULT NULL,
`NULLIF(c_time, c_smallint)` time DEFAULT NULL,
`NULLIF(c_time, c_tinyint)` time DEFAULT NULL,
`NULLIF(c_time, c_int)` time DEFAULT NULL,
`NULLIF(c_time, c_bigint)` time DEFAULT NULL,
`NULLIF(c_time, c_float)` time DEFAULT NULL,
`NULLIF(c_time, c_double)` time DEFAULT NULL,
`NULLIF(c_time, c_decimal103)` time DEFAULT NULL,
`NULLIF(c_time, c_varchar10)` time DEFAULT NULL,
`NULLIF(c_time, c_text)` time DEFAULT NULL,
`NULLIF(c_time, c_blob)` time DEFAULT NULL,
`NULLIF(c_time, c_enum)` time DEFAULT NULL,
`NULLIF(c_time, c_datetime3)` time DEFAULT NULL,
`NULLIF(c_time, c_timestamp3)` time DEFAULT NULL,
`NULLIF(c_time, c_date)` time DEFAULT NULL,
`NULLIF(c_time, c_time)` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
#
# Checking that the return type depends only on args[0], even if compared to a field
#
CREATE TABLE t2 AS SELECT
NULLIF(1, 1),
NULLIF(1, c_smallint),
NULLIF(1, c_tinyint),
NULLIF(1, c_int),
NULLIF(1, c_bigint),
NULLIF(1, c_float),
NULLIF(1, c_double),
NULLIF(1, c_decimal103),
NULLIF(1, c_varchar10),
NULLIF(1, c_text),
NULLIF(1, c_blob),
NULLIF(1, c_enum),
NULLIF(1, c_datetime3),
NULLIF(1, c_timestamp3),
NULLIF(1, c_date),
NULLIF(1, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(1, 1)` int(1) DEFAULT NULL,
`NULLIF(1, c_smallint)` int(1) DEFAULT NULL,
`NULLIF(1, c_tinyint)` int(1) DEFAULT NULL,
`NULLIF(1, c_int)` int(1) DEFAULT NULL,
`NULLIF(1, c_bigint)` int(1) DEFAULT NULL,
`NULLIF(1, c_float)` int(1) DEFAULT NULL,
`NULLIF(1, c_double)` int(1) DEFAULT NULL,
`NULLIF(1, c_decimal103)` int(1) DEFAULT NULL,
`NULLIF(1, c_varchar10)` int(1) DEFAULT NULL,
`NULLIF(1, c_text)` int(1) DEFAULT NULL,
`NULLIF(1, c_blob)` int(1) DEFAULT NULL,
`NULLIF(1, c_enum)` int(1) DEFAULT NULL,
`NULLIF(1, c_datetime3)` int(1) DEFAULT NULL,
`NULLIF(1, c_timestamp3)` int(1) DEFAULT NULL,
`NULLIF(1, c_date)` int(1) DEFAULT NULL,
`NULLIF(1, c_time)` int(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(1.0, 1),
NULLIF(1.0, c_smallint),
NULLIF(1.0, c_tinyint),
NULLIF(1.0, c_int),
NULLIF(1.0, c_bigint),
NULLIF(1.0, c_float),
NULLIF(1.0, c_double),
NULLIF(1.0, c_decimal103),
NULLIF(1.0, c_varchar10),
NULLIF(1.0, c_text),
NULLIF(1.0, c_blob),
NULLIF(1.0, c_enum),
NULLIF(1.0, c_datetime3),
NULLIF(1.0, c_timestamp3),
NULLIF(1.0, c_date),
NULLIF(1.0, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(1.0, 1)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_smallint)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_tinyint)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_int)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_bigint)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_float)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_double)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_decimal103)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_varchar10)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_text)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_blob)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_enum)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_datetime3)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_timestamp3)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_date)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_time)` decimal(2,1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(1e0, 1),
NULLIF(1e0, c_smallint),
NULLIF(1e0, c_tinyint),
NULLIF(1e0, c_int),
NULLIF(1e0, c_bigint),
NULLIF(1e0, c_float),
NULLIF(1e0, c_double),
NULLIF(1e0, c_decimal103),
NULLIF(1e0, c_varchar10),
NULLIF(1e0, c_text),
NULLIF(1e0, c_blob),
NULLIF(1e0, c_enum),
NULLIF(1e0, c_datetime3),
NULLIF(1e0, c_timestamp3),
NULLIF(1e0, c_date),
NULLIF(1e0, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(1e0, 1)` double DEFAULT NULL,
`NULLIF(1e0, c_smallint)` double DEFAULT NULL,
`NULLIF(1e0, c_tinyint)` double DEFAULT NULL,
`NULLIF(1e0, c_int)` double DEFAULT NULL,
`NULLIF(1e0, c_bigint)` double DEFAULT NULL,
`NULLIF(1e0, c_float)` double DEFAULT NULL,
`NULLIF(1e0, c_double)` double DEFAULT NULL,
`NULLIF(1e0, c_decimal103)` double DEFAULT NULL,
`NULLIF(1e0, c_varchar10)` double DEFAULT NULL,
`NULLIF(1e0, c_text)` double DEFAULT NULL,
`NULLIF(1e0, c_blob)` double DEFAULT NULL,
`NULLIF(1e0, c_enum)` double DEFAULT NULL,
`NULLIF(1e0, c_datetime3)` double DEFAULT NULL,
`NULLIF(1e0, c_timestamp3)` double DEFAULT NULL,
`NULLIF(1e0, c_date)` double DEFAULT NULL,
`NULLIF(1e0, c_time)` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF('1', 1),
NULLIF('1', c_smallint),
NULLIF('1', c_tinyint),
NULLIF('1', c_int),
NULLIF('1', c_bigint),
NULLIF('1', c_float),
NULLIF('1', c_double),
NULLIF('1', c_decimal103),
NULLIF('1', c_varchar10),
NULLIF('1', c_text),
NULLIF('1', c_blob),
NULLIF('1', c_enum),
NULLIF('1', c_datetime3),
NULLIF('1', c_timestamp3),
NULLIF('1', c_date),
NULLIF('1', c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF('1', 1)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_smallint)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_tinyint)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_int)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_bigint)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_float)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_double)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_decimal103)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_varchar10)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_text)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_blob)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_enum)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_datetime3)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_timestamp3)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_date)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_time)` varchar(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(TIME'10:10:10', 1),
NULLIF(TIME'10:10:10', c_smallint),
NULLIF(TIME'10:10:10', c_tinyint),
NULLIF(TIME'10:10:10', c_int),
NULLIF(TIME'10:10:10', c_bigint),
NULLIF(TIME'10:10:10', c_float),
NULLIF(TIME'10:10:10', c_double),
NULLIF(TIME'10:10:10', c_decimal103),
NULLIF(TIME'10:10:10', c_varchar10),
NULLIF(TIME'10:10:10', c_text),
NULLIF(TIME'10:10:10', c_blob),
NULLIF(TIME'10:10:10', c_enum),
NULLIF(TIME'10:10:10', c_datetime3),
NULLIF(TIME'10:10:10', c_timestamp3),
NULLIF(TIME'10:10:10', c_date),
NULLIF(TIME'10:10:10', c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(TIME'10:10:10', 1)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_smallint)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_tinyint)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_int)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_bigint)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_float)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_double)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_decimal103)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_varchar10)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_text)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_blob)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_enum)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_datetime3)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_timestamp3)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_date)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_time)` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
DROP TABLE t1;
#
# End of 10.1 tests
#
mysql-test/t/null.test
View file @ 969f4918
......@@ -295,3 +295,548 @@ CREATE TABLE t2 (d DATE) ENGINE=MyISAM;
SELECT * FROM t1,t2 WHERE 1 IS NOT NULL AND t1.b IS NULL;
DROP TABLE t1,t2;
--echo #
--echo # Start of 10.1 tests
--echo #
--echo #
--echo # MDEV-7146 NULLIF returns unexpected result with a YEAR field
--echo #
CREATE TABLE t1 (a YEAR(2));
INSERT INTO t1 VALUES (0);
SELECT a,NULLIF(a,2000),NULLIF(2000,a) FROM t1;
SELECT a,NULLIF(a,2001),NULLIF(2001,a) FROM t1;
DROP TABLE t1;
--echo #
--echo # MDEV-7005 NULLIF does not work as documented
--echo #
CREATE TABLE t1 (a TIME);
CREATE TABLE t2 AS SELECT a,NULLIF(a,a), CASE WHEN a=a THEN NULL ELSE a END FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t1,t2;
--error ER_CANT_AGGREGATE_2COLLATIONS
SELECT NULLIF(_latin1'a' COLLATE latin1_general_ci, _latin1'a' COLLATE latin1_bin);
CREATE TABLE t1 AS SELECT
NULLIF(1,1),
NULLIF(1,1.0),
NULLIF(1,1e0),
NULLIF(1,'2001-01-01'),
NULLIF(1,TIME'00:00:00');
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(1.0,1),
NULLIF(1.0,1.0),
NULLIF(1.0,1e0),
NULLIF(1.0,'2001-01-01'),
NULLIF(1.0,TIME'00:00:00');
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(1e0,1),
NULLIF(1e0,1.0),
NULLIF(1e0,1e0),
NULLIF(1e0,'2001-01-01'),
NULLIF(1e0,TIME'00:00:00');
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF('1',1),
NULLIF('1',1.0),
NULLIF('1',1e0),
NULLIF('1','2001-01-01'),
NULLIF('1',TIME'00:00:00');
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1.0),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1e0),
NULLIF(TIMESTAMP'2001-01-01 00:00:00','2001-01-01'),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',TIME'00:00:00');
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(DATE'2001-01-01',1),
NULLIF(DATE'2001-01-01',1.0),
NULLIF(DATE'2001-01-01',1e0),
NULLIF(DATE'2001-01-01','2001-01-01'),
NULLIF(DATE'2001-01-01',TIME'00:00:00');
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(TIME'00:00:01',1),
NULLIF(TIME'00:00:01',1.0),
NULLIF(TIME'00:00:01',1e0),
NULLIF(TIME'00:00:01','00:00:00'),
NULLIF(TIME'00:00:01',DATE'2001-01-01');
SHOW CREATE TABLE t1;
DROP TABLE t1;
CREATE TABLE t1
(
c_tinyint TINYINT,
c_smallint SMALLINT,
c_int INT,
c_bigint BIGINT,
c_float FLOAT,
c_double DOUBLE,
c_decimal103 DECIMAL(10,3),
c_varchar10 VARCHAR(10),
c_text TEXT,
c_blob BLOB,
c_enum ENUM('one','two','tree'),
c_datetime3 DATETIME(3),
c_timestamp3 TIMESTAMP(3),
c_date DATE,
c_time TIME
);
--echo #
--echo # Checking that the return type depends only on args[0], even when compared to a super type
--echo #
CREATE TABLE t2 AS SELECT
NULLIF(c_tinyint, 1),
NULLIF(c_tinyint, c_smallint),
NULLIF(c_tinyint, c_tinyint),
NULLIF(c_tinyint, c_int),
NULLIF(c_tinyint, c_bigint),
NULLIF(c_tinyint, c_float),
NULLIF(c_tinyint, c_double),
NULLIF(c_tinyint, c_decimal103),
NULLIF(c_tinyint, c_varchar10),
NULLIF(c_tinyint, c_text),
NULLIF(c_tinyint, c_blob),
NULLIF(c_tinyint, c_enum),
NULLIF(c_tinyint, c_datetime3),
NULLIF(c_tinyint, c_timestamp3),
NULLIF(c_tinyint, c_date),
NULLIF(c_tinyint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_smallint, 1),
NULLIF(c_smallint, c_smallint),
NULLIF(c_smallint, c_tinyint),
NULLIF(c_smallint, c_int),
NULLIF(c_smallint, c_bigint),
NULLIF(c_smallint, c_float),
NULLIF(c_smallint, c_double),
NULLIF(c_smallint, c_decimal103),
NULLIF(c_smallint, c_varchar10),
NULLIF(c_smallint, c_text),
NULLIF(c_smallint, c_blob),
NULLIF(c_smallint, c_enum),
NULLIF(c_smallint, c_datetime3),
NULLIF(c_smallint, c_timestamp3),
NULLIF(c_smallint, c_date),
NULLIF(c_smallint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_int, 1),
NULLIF(c_int, c_smallint),
NULLIF(c_int, c_tinyint),
NULLIF(c_int, c_int),
NULLIF(c_int, c_bigint),
NULLIF(c_int, c_float),
NULLIF(c_int, c_double),
NULLIF(c_int, c_decimal103),
NULLIF(c_int, c_varchar10),
NULLIF(c_int, c_text),
NULLIF(c_int, c_blob),
NULLIF(c_int, c_enum),
NULLIF(c_int, c_datetime3),
NULLIF(c_int, c_timestamp3),
NULLIF(c_int, c_date),
NULLIF(c_int, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_bigint, 1),
NULLIF(c_bigint, c_smallint),
NULLIF(c_bigint, c_tinyint),
NULLIF(c_bigint, c_int),
NULLIF(c_bigint, c_bigint),
NULLIF(c_bigint, c_float),
NULLIF(c_bigint, c_double),
NULLIF(c_bigint, c_decimal103),
NULLIF(c_bigint, c_varchar10),
NULLIF(c_bigint, c_text),
NULLIF(c_bigint, c_blob),
NULLIF(c_bigint, c_enum),
NULLIF(c_bigint, c_datetime3),
NULLIF(c_bigint, c_timestamp3),
NULLIF(c_bigint, c_date),
NULLIF(c_bigint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
# QQ: this should probably create a FLOAT column instead of a DOUBLE column
CREATE TABLE t2 AS SELECT
NULLIF(c_float, 1),
NULLIF(c_float, c_smallint),
NULLIF(c_float, c_tinyint),
NULLIF(c_float, c_int),
NULLIF(c_float, c_bigint),
NULLIF(c_float, c_float),
NULLIF(c_float, c_double),
NULLIF(c_float, c_decimal103),
NULLIF(c_float, c_varchar10),
NULLIF(c_float, c_text),
NULLIF(c_float, c_blob),
NULLIF(c_float, c_enum),
NULLIF(c_float, c_datetime3),
NULLIF(c_float, c_timestamp3),
NULLIF(c_float, c_date),
NULLIF(c_float, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_double, 1),
NULLIF(c_double, c_smallint),
NULLIF(c_double, c_tinyint),
NULLIF(c_double, c_int),
NULLIF(c_double, c_bigint),
NULLIF(c_double, c_float),
NULLIF(c_double, c_double),
NULLIF(c_double, c_decimal103),
NULLIF(c_double, c_varchar10),
NULLIF(c_double, c_text),
NULLIF(c_double, c_blob),
NULLIF(c_double, c_enum),
NULLIF(c_double, c_datetime3),
NULLIF(c_double, c_timestamp3),
NULLIF(c_double, c_date),
NULLIF(c_double, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_decimal103, 1),
NULLIF(c_decimal103, c_smallint),
NULLIF(c_decimal103, c_tinyint),
NULLIF(c_decimal103, c_int),
NULLIF(c_decimal103, c_bigint),
NULLIF(c_decimal103, c_float),
NULLIF(c_decimal103, c_double),
NULLIF(c_decimal103, c_decimal103),
NULLIF(c_decimal103, c_varchar10),
NULLIF(c_decimal103, c_text),
NULLIF(c_decimal103, c_blob),
NULLIF(c_decimal103, c_enum),
NULLIF(c_decimal103, c_datetime3),
NULLIF(c_decimal103, c_timestamp3),
NULLIF(c_decimal103, c_date),
NULLIF(c_decimal103, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_varchar10, 1),
NULLIF(c_varchar10, c_smallint),
NULLIF(c_varchar10, c_tinyint),
NULLIF(c_varchar10, c_int),
NULLIF(c_varchar10, c_bigint),
NULLIF(c_varchar10, c_float),
NULLIF(c_varchar10, c_double),
NULLIF(c_varchar10, c_decimal103),
NULLIF(c_varchar10, c_varchar10),
NULLIF(c_varchar10, c_text),
NULLIF(c_varchar10, c_blob),
NULLIF(c_varchar10, c_enum),
NULLIF(c_varchar10, c_datetime3),
NULLIF(c_varchar10, c_timestamp3),
NULLIF(c_varchar10, c_date),
NULLIF(c_varchar10, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_text, 1),
NULLIF(c_text, c_smallint),
NULLIF(c_text, c_tinyint),
NULLIF(c_text, c_int),
NULLIF(c_text, c_bigint),
NULLIF(c_text, c_float),
NULLIF(c_text, c_double),
NULLIF(c_text, c_decimal103),
NULLIF(c_text, c_varchar10),
NULLIF(c_text, c_text),
NULLIF(c_text, c_blob),
NULLIF(c_text, c_enum),
NULLIF(c_text, c_datetime3),
NULLIF(c_text, c_timestamp3),
NULLIF(c_text, c_date),
NULLIF(c_text, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
# QQ: this should probably create BLOB instead of LONGBLOB
CREATE TABLE t2 AS SELECT
NULLIF(c_blob, 1),
NULLIF(c_blob, c_smallint),
NULLIF(c_blob, c_tinyint),
NULLIF(c_blob, c_int),
NULLIF(c_blob, c_bigint),
NULLIF(c_blob, c_float),
NULLIF(c_blob, c_double),
NULLIF(c_blob, c_decimal103),
NULLIF(c_blob, c_varchar10),
NULLIF(c_blob, c_text),
NULLIF(c_blob, c_blob),
NULLIF(c_blob, c_enum),
NULLIF(c_blob, c_datetime3),
NULLIF(c_blob, c_timestamp3),
NULLIF(c_blob, c_date),
NULLIF(c_blob, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
# QQ: this should probably create a ENUM column instead of VARCHAR(4)
CREATE TABLE t2 AS SELECT
NULLIF(c_enum, 1),
NULLIF(c_enum, c_smallint),
NULLIF(c_enum, c_tinyint),
NULLIF(c_enum, c_int),
NULLIF(c_enum, c_bigint),
NULLIF(c_enum, c_float),
NULLIF(c_enum, c_double),
NULLIF(c_enum, c_decimal103),
NULLIF(c_enum, c_varchar10),
NULLIF(c_enum, c_text),
NULLIF(c_enum, c_blob),
NULLIF(c_enum, c_enum),
NULLIF(c_enum, c_datetime3),
NULLIF(c_enum, c_timestamp3),
NULLIF(c_enum, c_date),
NULLIF(c_enum, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_datetime3, 1),
NULLIF(c_datetime3, c_smallint),
NULLIF(c_datetime3, c_tinyint),
NULLIF(c_datetime3, c_int),
NULLIF(c_datetime3, c_bigint),
NULLIF(c_datetime3, c_float),
NULLIF(c_datetime3, c_double),
NULLIF(c_datetime3, c_decimal103),
NULLIF(c_datetime3, c_varchar10),
NULLIF(c_datetime3, c_text),
NULLIF(c_datetime3, c_blob),
NULLIF(c_datetime3, c_enum),
NULLIF(c_datetime3, c_datetime3),
NULLIF(c_datetime3, c_timestamp3),
NULLIF(c_datetime3, c_date),
NULLIF(c_datetime3, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_timestamp3, 1),
NULLIF(c_timestamp3, c_smallint),
NULLIF(c_timestamp3, c_tinyint),
NULLIF(c_timestamp3, c_int),
NULLIF(c_timestamp3, c_bigint),
NULLIF(c_timestamp3, c_float),
NULLIF(c_timestamp3, c_double),
NULLIF(c_timestamp3, c_decimal103),
NULLIF(c_timestamp3, c_varchar10),
NULLIF(c_timestamp3, c_text),
NULLIF(c_timestamp3, c_blob),
NULLIF(c_timestamp3, c_enum),
NULLIF(c_timestamp3, c_datetime3),
NULLIF(c_timestamp3, c_timestamp3),
NULLIF(c_timestamp3, c_date),
NULLIF(c_timestamp3, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_date, 1),
NULLIF(c_date, c_smallint),
NULLIF(c_date, c_tinyint),
NULLIF(c_date, c_int),
NULLIF(c_date, c_bigint),
NULLIF(c_date, c_float),
NULLIF(c_date, c_double),
NULLIF(c_date, c_decimal103),
NULLIF(c_date, c_varchar10),
NULLIF(c_date, c_text),
NULLIF(c_date, c_blob),
NULLIF(c_date, c_enum),
NULLIF(c_date, c_datetime3),
NULLIF(c_date, c_timestamp3),
NULLIF(c_date, c_date),
NULLIF(c_date, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_time, 1),
NULLIF(c_time, c_smallint),
NULLIF(c_time, c_tinyint),
NULLIF(c_time, c_int),
NULLIF(c_time, c_bigint),
NULLIF(c_time, c_float),
NULLIF(c_time, c_double),
NULLIF(c_time, c_decimal103),
NULLIF(c_time, c_varchar10),
NULLIF(c_time, c_text),
NULLIF(c_time, c_blob),
NULLIF(c_time, c_enum),
NULLIF(c_time, c_datetime3),
NULLIF(c_time, c_timestamp3),
NULLIF(c_time, c_date),
NULLIF(c_time, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
--echo #
--echo # Checking that the return type depends only on args[0], even if compared to a field
--echo #
CREATE TABLE t2 AS SELECT
NULLIF(1, 1),
NULLIF(1, c_smallint),
NULLIF(1, c_tinyint),
NULLIF(1, c_int),
NULLIF(1, c_bigint),
NULLIF(1, c_float),
NULLIF(1, c_double),
NULLIF(1, c_decimal103),
NULLIF(1, c_varchar10),
NULLIF(1, c_text),
NULLIF(1, c_blob),
NULLIF(1, c_enum),
NULLIF(1, c_datetime3),
NULLIF(1, c_timestamp3),
NULLIF(1, c_date),
NULLIF(1, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(1.0, 1),
NULLIF(1.0, c_smallint),
NULLIF(1.0, c_tinyint),
NULLIF(1.0, c_int),
NULLIF(1.0, c_bigint),
NULLIF(1.0, c_float),
NULLIF(1.0, c_double),
NULLIF(1.0, c_decimal103),
NULLIF(1.0, c_varchar10),
NULLIF(1.0, c_text),
NULLIF(1.0, c_blob),
NULLIF(1.0, c_enum),
NULLIF(1.0, c_datetime3),
NULLIF(1.0, c_timestamp3),
NULLIF(1.0, c_date),
NULLIF(1.0, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(1e0, 1),
NULLIF(1e0, c_smallint),
NULLIF(1e0, c_tinyint),
NULLIF(1e0, c_int),
NULLIF(1e0, c_bigint),
NULLIF(1e0, c_float),
NULLIF(1e0, c_double),
NULLIF(1e0, c_decimal103),
NULLIF(1e0, c_varchar10),
NULLIF(1e0, c_text),
NULLIF(1e0, c_blob),
NULLIF(1e0, c_enum),
NULLIF(1e0, c_datetime3),
NULLIF(1e0, c_timestamp3),
NULLIF(1e0, c_date),
NULLIF(1e0, c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF('1', 1),
NULLIF('1', c_smallint),
NULLIF('1', c_tinyint),
NULLIF('1', c_int),
NULLIF('1', c_bigint),
NULLIF('1', c_float),
NULLIF('1', c_double),
NULLIF('1', c_decimal103),
NULLIF('1', c_varchar10),
NULLIF('1', c_text),
NULLIF('1', c_blob),
NULLIF('1', c_enum),
NULLIF('1', c_datetime3),
NULLIF('1', c_timestamp3),
NULLIF('1', c_date),
NULLIF('1', c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(TIME'10:10:10', 1),
NULLIF(TIME'10:10:10', c_smallint),
NULLIF(TIME'10:10:10', c_tinyint),
NULLIF(TIME'10:10:10', c_int),
NULLIF(TIME'10:10:10', c_bigint),
NULLIF(TIME'10:10:10', c_float),
NULLIF(TIME'10:10:10', c_double),
NULLIF(TIME'10:10:10', c_decimal103),
NULLIF(TIME'10:10:10', c_varchar10),
NULLIF(TIME'10:10:10', c_text),
NULLIF(TIME'10:10:10', c_blob),
NULLIF(TIME'10:10:10', c_enum),
NULLIF(TIME'10:10:10', c_datetime3),
NULLIF(TIME'10:10:10', c_timestamp3),
NULLIF(TIME'10:10:10', c_date),
NULLIF(TIME'10:10:10', c_time)
FROM t1;
SHOW CREATE TABLE t2;
DROP TABLE t2;
DROP TABLE t1;
--echo #
--echo # End of 10.1 tests
--echo #
sql/item_cmpfunc.cc
View file @ 969f4918
......@@ -525,6 +525,32 @@ static bool convert_const_to_int(THD *thd, Item_field *field_item,
}
/*
Make a special case of compare with fields to get nicer comparisons
of bigint numbers with constant string.
This directly contradicts the manual (number and a string should
be compared as doubles), but seems to provide more
"intuitive" behavior in some cases (but less intuitive in others).
*/
void Item_func::convert_const_compared_to_int_field(THD *thd)
{
DBUG_ASSERT(arg_count == 2);
if (!thd->lex->is_ps_or_view_context_analysis())
{
int field;
if (args[field= 0]->real_item()->type() == FIELD_ITEM ||
args[field= 1]->real_item()->type() == FIELD_ITEM)
{
Item_field *field_item= (Item_field*) (args[field]->real_item());
if ((field_item->field_type() == MYSQL_TYPE_LONGLONG ||
field_item->field_type() == MYSQL_TYPE_YEAR) &&
convert_const_to_int(thd, field_item, &args[!field]))
args[0]->cmp_context= args[1]->cmp_context= INT_RESULT;
}
}
}
void Item_bool_func2::fix_length_and_dec()
{
max_length= 1; // Function returns 0 or 1
......@@ -557,29 +583,9 @@ void Item_bool_func2::fix_length_and_dec()
args[0]->cmp_context= args[1]->cmp_context=
item_cmp_type(args[0]->result_type(), args[1]->result_type());
/*
Make a special case of compare with fields to get nicer comparisons
of bigint numbers with constant string.
This directly contradicts the manual (number and a string should
be compared as doubles), but seems to provide more
"intuitive" behavior in some cases (but less intuitive in others).
But disable conversion in case of LIKE function.
*/
THD *thd= current_thd;
if (functype() != LIKE_FUNC && !thd->lex->is_ps_or_view_context_analysis())
{
int field;
if (args[field= 0]->real_item()->type() == FIELD_ITEM ||
args[field= 1]->real_item()->type() == FIELD_ITEM)
{
Item_field *field_item= (Item_field*) (args[field]->real_item());
if ((field_item->field_type() == MYSQL_TYPE_LONGLONG ||
field_item->field_type() == MYSQL_TYPE_YEAR) &&
convert_const_to_int(thd, field_item, &args[!field]))
args[0]->cmp_context= args[1]->cmp_context= INT_RESULT;
}
}
// Convert constants when compared to int/year field, unless this is LIKE
if (functype() != LIKE_FUNC)
convert_const_compared_to_int_field(current_thd);
set_cmp_func();
}
......@@ -2723,18 +2729,21 @@ bool Item_func_if::date_op(MYSQL_TIME *ltime, uint fuzzydate)
void
Item_func_nullif::fix_length_and_dec()
{
Item_bool_func2::fix_length_and_dec();
if (!args[0]) // Only false if EOM
return;
cached_result_type= args[0]->result_type();
cached_field_type= args[0]->field_type();
collation.set(args[0]->collation);
decimals= args[0]->decimals;
unsigned_flag= args[0]->unsigned_flag;
fix_char_length(args[0]->max_char_length());
convert_const_compared_to_int_field(current_thd);
args[0]->cmp_context= args[1]->cmp_context=
item_cmp_type(args[0]->result_type(), args[1]->result_type());
cmp.set_cmp_func(this, tmp_arg, tmp_arg + 1, args[0]->cmp_context);
maybe_null=1;
if (args[0]) // Only false if EOM
{
decimals=args[0]->decimals;
unsigned_flag= args[0]->unsigned_flag;
cached_result_type= args[0]->result_type();
if (cached_result_type == STRING_RESULT &&
agg_arg_charsets_for_comparison(collation, args, arg_count))
return;
fix_char_length(args[0]->max_char_length());
}
}
......@@ -2749,7 +2758,7 @@ Item_func_nullif::fix_length_and_dec()
*/
double
Item_func_nullif::val_real()
Item_func_nullif::real_op()
{
DBUG_ASSERT(fixed == 1);
double value;
......@@ -2758,13 +2767,13 @@ Item_func_nullif::val_real()
null_value=1;
return 0.0;
}
value= args[0]->val_real();
null_value=args[0]->null_value;
value= m_args0_copy->val_real();
null_value=m_args0_copy->null_value;
return value;
}
longlong
Item_func_nullif::val_int()
Item_func_nullif::int_op()
{
DBUG_ASSERT(fixed == 1);
longlong value;
......@@ -2773,13 +2782,13 @@ Item_func_nullif::val_int()
null_value=1;
return 0;
}
value=args[0]->val_int();
null_value=args[0]->null_value;
value=m_args0_copy->val_int();
null_value=m_args0_copy->null_value;
return value;
}
String *
Item_func_nullif::val_str(String *str)
Item_func_nullif::str_op(String *str)
{
DBUG_ASSERT(fixed == 1);
String *res;
......@@ -2788,14 +2797,14 @@ Item_func_nullif::val_str(String *str)
null_value=1;
return 0;
}
res=args[0]->val_str(str);
null_value=args[0]->null_value;
res=m_args0_copy->val_str(str);
null_value=m_args0_copy->null_value;
return res;
}
my_decimal *
Item_func_nullif::val_decimal(my_decimal * decimal_value)
Item_func_nullif::decimal_op(my_decimal * decimal_value)
{
DBUG_ASSERT(fixed == 1);
my_decimal *res;
......@@ -2804,16 +2813,26 @@ Item_func_nullif::val_decimal(my_decimal * decimal_value)
null_value=1;
return 0;
}
res= args[0]->val_decimal(decimal_value);
null_value= args[0]->null_value;
res= m_args0_copy->val_decimal(decimal_value);
null_value= m_args0_copy->null_value;
return res;
}
bool
Item_func_nullif::date_op(MYSQL_TIME *ltime, uint fuzzydate)
{
DBUG_ASSERT(fixed == 1);
if (!cmp.compare())
return (null_value= true);
return (null_value= m_args0_copy->get_date(ltime, fuzzydate));
}
bool
Item_func_nullif::is_null()
{
return (null_value= (!cmp.compare() ? 1 : args[0]->null_value));
return (null_value= (!cmp.compare() ? 1 : m_args0_copy->null_value));
}
......
sql/item_cmpfunc.h
View file @ 969f4918
......@@ -822,20 +822,30 @@ class Item_func_if :public Item_func_case_abbreviation2
};
class Item_func_nullif :public Item_bool_func2
class Item_func_nullif :public Item_func_hybrid_field_type
{
enum Item_result cached_result_type;
Arg_comparator cmp;
/*
Remember the first argument in case it will be substituted by either of:
- convert_const_compared_to_int_field()
- agg_item_set_converter() in set_cmp_func()
- cache_converted_constant() in set_cmp_func()
The original item will be stored in m_arg0_copy, to return result.
The substituted item will be stored in args[0], for comparison purposes.
*/
Item *m_args0_copy;
public:
Item_func_nullif(Item *a,Item *b)
:Item_bool_func2(a,b), cached_result_type(INT_RESULT)
:Item_func_hybrid_field_type(a, b),
m_args0_copy(a)
{}
double val_real();
longlong val_int();
String *val_str(String *str);
my_decimal *val_decimal(my_decimal *);
enum Item_result result_type () const { return cached_result_type; }
bool date_op(MYSQL_TIME *ltime, uint fuzzydate);
double real_op();
longlong int_op();
String *str_op(String *str);
my_decimal *decimal_op(my_decimal *);
void fix_length_and_dec();
uint decimal_precision() const { return args[0]->decimal_precision(); }
uint decimal_precision() const { return m_args0_copy->decimal_precision(); }
const char *func_name() const { return "nullif"; }
virtual inline void print(String *str, enum_query_type query_type)
......
sql/item_func.h
View file @ 969f4918
......@@ -396,6 +396,7 @@ class Item_func :public Item_result_field
info.bool_function= &Item::restore_to_before_no_rows_in_result;
walk(&Item::call_bool_func_processor, FALSE, (uchar*) &info);
}
void convert_const_compared_to_int_field(THD *thd);
};
......
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