Tests modified to coved decimal-related code

mysql-test/r/analyse.result:
  test result extended
mysql-test/r/cast.result:
  test result extended
mysql-test/r/func_group.result:
  test result extended
mysql-test/r/subselect.result:
  test result extended
mysql-test/t/analyse.test:
  test extended
mysql-test/t/cast.test:
  test extended
mysql-test/t/func_group.test:
  test extended
mysql-test/t/subselect.test:
  test extended

mysql-test/r/analyse.result

@@ -102,3 +102,10 @@ select * from t1 procedure analyse();
 Field_name	Min_value	Max_value	Min_length	Max_length	Empties_or_zeros	Nulls	Avg_value_or_avg_length	Std	Optimal_fieldtype
 test.t1.v	"	\\	1	19	0	0	3.7619	NULL	ENUM('"','""','"c','\'\0\\"','\'','\'\'','\'b','a\0\0\0b','a\0','a""""b','a\'\'\'\'b','abc','abc\'def\\hij"klm\0opq','a\\\\\\\\b','b\'','c"','d\\','The\ZEnd','\\','\\d','\\\\') NOT NULL
 drop table t1;
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+insert into t1 values(2.2);
+select * from t1 procedure analyse();
+Field_name	Min_value	Max_value	Min_length	Max_length	Empties_or_zeros	Nulls	Avg_value_or_avg_length	Std	Optimal_fieldtype
+test.t1.df	1.1	2.2	8	8	0	0	1.650000000	0.302500000	ENUM('1.1','2.2') NOT NULL
+drop table t1;

mysql-test/r/cast.result

@@ -187,3 +187,19 @@ timediff(cast('2004-12-30 12:00:00' as time), '12:00:00')
 select timediff(cast('1 12:00:00' as time), '12:00:00');
 timediff(cast('1 12:00:00' as time), '12:00:00')
 24:00:00
+select cast('1.2' as decimal(3,2));
+cast('1.2' as decimal(3,2))
+1.20
+select 1e18 * cast('1.2' as decimal(3,2));
+1e18 * cast('1.2' as decimal(3,2))
+1.2e+18
+select cast(cast('1.2' as decimal(3,2)) as signed);
+cast(cast('1.2' as decimal(3,2)) as signed)
+1
+set @v1=1e18;
+select cast(@v1 as decimal(22, 2));
+cast(@v1 as decimal(22, 2))
+1000000000000000000.00
+select cast(-1e18 as decimal(22,2));
+cast(-1e18 as decimal(22,2))
+-1000000000000000000.00

mysql-test/r/func_group.result

@@ -769,3 +769,38 @@ show columns from t2;
 Field	Type	Null	Key	Default	Extra
 f2	datetime	NO		0000-00-00 00:00:00	
 drop table t2, t1;
+create table t2 (ff double);
+insert into t2 values (2.2);
+select cast(sum(distinct ff) as decimal(5,2)) from t2;
+cast(sum(distinct ff) as decimal(5,2))
+2.20
+select cast(sum(distinct ff) as signed) from t2;
+cast(sum(distinct ff) as signed)
+2
+select cast(variance(ff) as decimal(10,3)) from t2;
+cast(variance(ff) as decimal(10,3))
+0.000
+select cast(min(ff) as decimal(5,2)) from t2;
+cast(min(ff) as decimal(5,2))
+2.20
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+insert into t1 values(2.2);
+select cast(sum(distinct df) as signed) from t1;
+cast(sum(distinct df) as signed)
+3
+select cast(min(df) as signed) from t1;
+cast(min(df) as signed)
+0
+select 1e8 * sum(distinct df) from t1;
+1e8 * sum(distinct df)
+330000000
+select 1e8 * min(df) from t1;
+1e8 * min(df)
+110000000
+create table t3 (ifl int);
+insert into t3 values(1), (2);
+select cast(min(ifl) as decimal(5,2)) from t3;
+cast(min(ifl) as decimal(5,2))
+1.00
+drop table t1, t2, t3;

mysql-test/r/subselect.result

@@ -2276,3 +2276,39 @@ pass	userid	parentid	parentgroup	childid	groupname	grouptypeid	crse	categoryid	c
 1	5141	12	group2	12	group2	5	1	2	88	Oct04
 1	5141	12	group2	12	group2	5	1	2	89	Oct04
 drop table if exists t1, t2, t3, t4, t5;
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+insert into t1 values(2.2);
+select * from t1 where df <= all (select avg(df) from t1 group by df);
+df
+1.1
+select * from t1 where df >= all (select avg(df) from t1 group by df);
+df
+2.2
+drop table t1;
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+select 1.1 * exists(select * from t1);
+1.1 * exists(select * from t1)
+1.1
+drop table t1;
+CREATE TABLE t1 (
+grp int(11) default NULL,
+a decimal(10,2) default NULL);
+insert into t1 values (1, 1), (2, 2), (2, 3), (3, 4), (3, 5), (3, 6), (NULL, NULL);
+select * from t1;
+grp	a
+1	1.00
+2	2.00
+2	3.00
+3	4.00
+3	5.00
+3	6.00
+NULL	NULL
+select min(a) from t1 group by grp;
+min(a)
+NULL
+1.00
+2.00
+4.00
+drop table t1;

mysql-test/t/analyse.test

@@ -47,3 +47,11 @@ create table t1 (v varchar(128));
 insert into t1 values ('abc'),('abc\'def\\hij\"klm\0opq'),('\''),('\"'),('\\'),('a\0'),('b\''),('c\"'),('d\\'),('\'b'),('\"c'),('\\d'),('a\0\0\0b'),('a\'\'\'\'b'),('a\"\"\"\"b'),('a\\\\\\\\b'),('\'\0\\\"'),('\'\''),('\"\"'),('\\\\'),('The\ZEnd');
 select * from t1 procedure analyse();
 drop table t1;
+
+#decimal-related test
+
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+insert into t1 values(2.2);
+select * from t1 procedure analyse();
+drop table t1;

mysql-test/t/cast.test

@@ -118,3 +118,11 @@ select date_add(cast('2004-12-30 12:00:00' as date), interval 0 hour);
 select timediff(cast('2004-12-30 12:00:00' as time), '12:00:00');
 # Still we should not throw away "days" part of time value
 select timediff(cast('1 12:00:00' as time), '12:00:00');
+
+#decimal-related additions
+select cast('1.2' as decimal(3,2));
+select 1e18 * cast('1.2' as decimal(3,2));
+select cast(cast('1.2' as decimal(3,2)) as signed);
+set @v1=1e18;
+select cast(@v1 as decimal(22, 2));
+select cast(-1e18 as decimal(22,2));

mysql-test/t/func_group.test

@@ -492,3 +492,25 @@ drop table t2;
 create table t2 select f2 from (select now() f2 from t1) a;
 show columns from t2;
 drop table t2, t1;
+
+# decimal-related tests
+create table t2 (ff double);
+insert into t2 values (2.2);
+select cast(sum(distinct ff) as decimal(5,2)) from t2;
+select cast(sum(distinct ff) as signed) from t2;
+select cast(variance(ff) as decimal(10,3)) from t2;
+select cast(min(ff) as decimal(5,2)) from t2;
+
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+insert into t1 values(2.2);
+select cast(sum(distinct df) as signed) from t1;
+select cast(min(df) as signed) from t1;
+select 1e8 * sum(distinct df) from t1;
+select 1e8 * min(df) from t1;
+
+create table t3 (ifl int);
+insert into t3 values(1), (2);
+select cast(min(ifl) as decimal(5,2)) from t3;
+
+drop table t1, t2, t3;

mysql-test/t/subselect.test

@@ -1543,3 +1543,26 @@ group by
 
 drop table if exists t1, t2, t3, t4, t5;
 
+
+#decimal-related tests
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+insert into t1 values(2.2);
+
+select * from t1 where df <= all (select avg(df) from t1 group by df);
+select * from t1 where df >= all (select avg(df) from t1 group by df);
+drop table t1;
+
+create table t1 (df decimal(5,1));
+insert into t1 values(1.1);
+select 1.1 * exists(select * from t1);
+drop table t1;
+
+CREATE TABLE t1 (
+  grp int(11) default NULL,
+  a decimal(10,2) default NULL);
+
+insert into t1 values (1, 1), (2, 2), (2, 3), (3, 4), (3, 5), (3, 6), (NULL, NULL);
+select * from t1;
+select min(a) from t1 group by grp;
+drop table t1;