summaryrefslogtreecommitdiff
path: root/mysql-test/main/func_if.test
diff options
context:
space:
mode:
authorMichael Widenius <monty@mariadb.org>2018-03-09 14:05:35 +0200
committerMonty <monty@mariadb.org>2018-03-29 13:59:44 +0300
commita7abddeffa6a760ce948c2dfb007cdf3f1a369d5 (patch)
tree70eb743fa965a17380bbc0ac88ae79ca1075b896 /mysql-test/main/func_if.test
parentab1941266c59a19703a74b5593cf3f508a5752d7 (diff)
downloadmariadb-git-a7abddeffa6a760ce948c2dfb007cdf3f1a369d5.tar.gz
Create 'main' test directory and move 't' and 'r' there
Diffstat (limited to 'mysql-test/main/func_if.test')
-rw-r--r--mysql-test/main/func_if.test226
1 files changed, 226 insertions, 0 deletions
diff --git a/mysql-test/main/func_if.test b/mysql-test/main/func_if.test
new file mode 100644
index 00000000000..dc6749da26f
--- /dev/null
+++ b/mysql-test/main/func_if.test
@@ -0,0 +1,226 @@
+#
+# Init section
+#
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+--disable_query_log
+# Set timezone to something specific, to make it possible to use unix_timestamp
+set time_zone="+03:00";
+--enable_query_log
+
+#
+# Simple IF tests
+#
+
+select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
+
+#
+# Test of IF and case-sensitiveness
+#
+CREATE TABLE t1 (st varchar(255) NOT NULL, u int(11) NOT NULL) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('a',1),('A',1),('aa',1),('AA',1),('a',1),('aaa',0),('BBB',0);
+select if(1,st,st) s from t1 order by s;
+select if(u=1,st,st) s from t1 order by s;
+select if(u=1,binary st,st) s from t1 order by s;
+select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
+explain extended select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
+
+#
+# NULLIF test
+#
+select nullif(u, 1) from t1;
+explain extended select nullif(u, 1) from t1;
+drop table t1;
+select nullif(1,'test');
+
+#
+# Bug 2629
+#
+select NULLIF(NULL,NULL), NULLIF(NULL,1), NULLIF(NULL,1.0), NULLIF(NULL,"test");
+select NULLIF(1,NULL), NULLIF(1.0, NULL), NULLIF("test", NULL);
+
+#
+# Problem with IF()
+#
+
+create table t1 (num double(12,2));
+insert into t1 values (144.54);
+select sum(if(num is null,0.00,num)) from t1;
+drop table t1;
+create table t1 (x int, y int);
+insert into t1 values (0,6),(10,16),(20,26),(30,10),(40,46),(50,56);
+select min(if(y -x > 5,y,NULL)), max(if(y - x > 5,y,NULL)) from t1;
+drop table t1;
+
+#
+# BUG#3987
+#
+create table t1 (a int);
+insert t1 values (1),(2);
+select if(1>2,a,avg(a)) from t1;
+drop table t1;
+
+#
+# Bug #5595 NULLIF() IS NULL returns false if NULLIF() returns NULL
+#
+SELECT NULLIF(5,5) IS NULL, NULLIF(5,5) IS NOT NULL;
+
+#
+# Bug #9669 Ordering on IF function with FROM_UNIXTIME function fails
+#
+CREATE TABLE `t1` (
+ `id` int(11) NOT NULL ,
+ `date` int(10) default NULL,
+ `text` varchar(32) NOT NULL
+);
+INSERT INTO t1 VALUES (1,1110000000,'Day 1'),(2,1111000000,'Day 2'),(3,1112000000,'Day 3');
+SELECT id, IF(date IS NULL, '-', FROM_UNIXTIME(date, '%d-%m-%Y')) AS date_ord, text FROM t1 ORDER BY date_ord ASC;
+SELECT id, IF(date IS NULL, '-', FROM_UNIXTIME(date, '%d-%m-%Y')) AS date_ord, text FROM t1 ORDER BY date_ord DESC;
+DROP TABLE t1;
+
+
+#
+# Test for bug #11142: evaluation of NULLIF when the first argument is NULL
+#
+
+CREATE TABLE t1 (a CHAR(10));
+INSERT INTO t1 VALUES ('aaa'), (NULL), (''), ('bbb');
+
+SELECT a, NULLIF(a,'') FROM t1;
+SELECT a, NULLIF(a,'') FROM t1 WHERE NULLIF(a,'') IS NULL;
+
+DROP TABLE t1;
+
+# End of 4.1 tests
+
+#
+# Bug #16272 IF function with decimal args can produce wrong result
+#
+create table t1 (f1 int, f2 int);
+insert into t1 values(1,1),(0,0);
+select f1, f2, if(f1, 40.0, 5.00) from t1 group by f1 order by f2;
+drop table t1;
+
+#
+# Bug#24532 (The return data type of IS TRUE is different from similar
+# operations)
+#
+# IF(x, unsigned, unsigned) should be unsigned.
+#
+
+select if(0, 18446744073709551610, 18446744073709551610);
+
+
+#
+# Bug #37662: nested if() inside sum() is parsed in exponential time
+#
+
+CREATE TABLE t1(a DECIMAL(10,3));
+
+# check : should be fast. more than few secs means failure.
+SELECT t1.a,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,
+ IF((ROUND(t1.a,2)=1), 2,0)))))))))))))))))))))))))))))) + 1
+FROM t1;
+
+DROP TABLE t1;
+
+#
+# Bug #40761: Assert on sum func on IF(..., CAST(longtext AS UNSIGNED), signed)
+# (was: LEFT JOIN on inline view crashes server)
+#
+
+CREATE TABLE t1 (c LONGTEXT);
+INSERT INTO t1 VALUES(1), (2), (3), (4), ('1234567890123456789');
+
+SELECT IF(1, CAST(c AS UNSIGNED), 0) FROM t1;
+SELECT * FROM (SELECT MAX(IF(1, CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
+SELECT * FROM (SELECT MAX(IFNULL(CAST(c AS UNSIGNED), 0)) FROM t1) AS te;
+
+DROP TABLE t1;
+
+--echo End of 5.0 tests
+
+--echo #
+--echo # Bug#55077: Assertion failed: width > 0 && to != ((void *)0), file .\dtoa.c
+--echo #
+
+CREATE TABLE t1 (a LONGBLOB, b DOUBLE);
+INSERT INTO t1 VALUES (NULL, 0), (NULL, 1);
+
+SELECT IF(b, (SELECT a FROM t1 LIMIT 1), b) c FROM t1 GROUP BY c;
+
+DROP TABLE t1;
+
+--echo #
+--echo # Bug#12532830
+--echo # SIGFPE OR ASSERTION (PRECISION <= ((9 * 9) - 8*2)) && (DEC <= 30)
+--echo #
+
+let $nines= 9999999999999999999999999999999999999;
+eval select
+sum(distinct(if('a',
+ (select adddate(elt(convert($nines,decimal(64,0)),count(*)),
+ interval 1 day))
+ , .1))) as foo;
+
+--echo #
+--echo # LP bug#998321 Simple query with IF expression causes an
+--echo # assertion abort (see also mysql Bug#12620084)
+--echo #
+
+SELECT if(0, (SELECT min('hello')), NULL);
+SELECT if(1, (SELECT min('hello')), NULL);
+SELECT if(0, NULL, (SELECT min('hello')));
+SELECT if(1, NULL, (SELECT min('hello')));
+
+--echo End of 5.2 tests
+
+--echo #
+--echo # MDEV-8663: IF Statement returns multiple values erroneously
+--echo # (or Assertion `!null_value' failed in Item::send(Protocol*, String*)
+--echo #
+CREATE TABLE `t1` (
+`datas` VARCHAR(25) NOT NULL
+) DEFAULT CHARSET=utf8;
+
+INSERT INTO `t1` VALUES ('1,2'), ('2,3'), ('3,4');
+
+SELECT IF(FIND_IN_SET('1', `datas`), 1.5, IF(FIND_IN_SET('2', `datas`), 2, NULL)) AS `First`, '1' AS `Second`, '2' AS `Third` FROM `t1`;
+
+drop table t1;
+
+--disable_query_log
+# Restore timezone to default
+set time_zone= @@global.time_zone;
+--enable_query_log