Added new ANSI functions LOCALTIME, LOCALTIMESTAMP and CURRENT_USER

Added CEIL as an alias for CEILING
Cleaned up CHECK constraint handling.
(We don't anymore require braces after CHECK)
Added casting to CHAR.


mysql-test/r/bigint.result:
  Moved casting test to cast.test
mysql-test/r/func_time.result:
  Test of new functions
mysql-test/t/bigint.test:
  Moved casting test to cast.test
mysql-test/t/func_time.test:
  Test of new functions
sql/item_create.cc:
  Added casting to CHAR
sql/item_func.h:
  Added casting to CHAR
sql/item_timefunc.h:
  Added casting to CHAR
sql/lex.h:
  Added new ANSI functions LOCALTIME, LOCALTIMESTAMP and CURRENT_USER
  Added CEIL as an alias for CEILING
sql/sql_yacc.yy:
  Cleaned up CHECK constraint handling.

8 files changed, 106 insertions, 29 deletions

diff --git a/mysql-test/r/bigint.result b/mysql-test/r/bigint.result
index f666c5311b8..6afa74d20e2 100644
--- a/mysql-test/r/bigint.result
+++ b/mysql-test/r/bigint.result
@@ -52,24 +52,3 @@ select min(big),max(big),max(big)-1 from t1 group by a;
 min(big)	max(big)	max(big)-1
 -1	9223372036854775807	9223372036854775806
 drop table t1;
-select CAST(1-2 AS UNSIGNED);
-CAST(1-2 AS UNSIGNED)
-18446744073709551615
-select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
-CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER)
--1
-select CONVERT('-1',UNSIGNED);
-CONVERT('-1',UNSIGNED)
-18446744073709551615
-select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
-cast(-5 as unsigned) | 1	cast(-5 as unsigned) & -1
-18446744073709551611	18446744073709551611
-select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
-cast(-5 as unsigned) -1	cast(-5 as unsigned) + 1
-18446744073709551610	18446744073709551612
-select ~5, cast(~5 as signed);
-~5	cast(~5 as signed)
-18446744073709551610	-6
-select cast(5 as unsigned) -6.0;
-cast(5 as unsigned) -6.0
--1.0
diff --git a/mysql-test/r/cast.result b/mysql-test/r/cast.result
new file mode 100644
index 00000000000..572b32c171c
--- /dev/null
+++ b/mysql-test/r/cast.result
@@ -0,0 +1,39 @@
+select CAST(1-2 AS UNSIGNED);
+CAST(1-2 AS UNSIGNED)
+18446744073709551615
+select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
+CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER)
+-1
+select CONVERT('-1',UNSIGNED);
+CONVERT('-1',UNSIGNED)
+18446744073709551615
+select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
+cast(-5 as unsigned) | 1	cast(-5 as unsigned) & -1
+18446744073709551611	18446744073709551611
+select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
+cast(-5 as unsigned) -1	cast(-5 as unsigned) + 1
+18446744073709551610	18446744073709551612
+select ~5, cast(~5 as signed);
+~5	cast(~5 as signed)
+18446744073709551610	-6
+select cast(5 as unsigned) -6.0;
+cast(5 as unsigned) -6.0
+-1.0
+select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
+cast("A" as binary) = "a"	cast(BINARY "a" as CHAR) = "A"
+0	1
+select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
+cast("2001-1-1" as DATE)	cast("2001-1-1" as DATETIME)
+2001-1-1	2001-1-1
+select cast("1:2:3" as TIME);
+cast("1:2:3" as TIME)
+1:2:3
+select cast("2001-1-1" as date) = "2001-01-01";
+cast("2001-1-1" as date) = "2001-01-01"
+0
+select cast("2001-1-1" as datetime) = "2001-01-01 00:00:00";
+cast("2001-1-1" as datetime) = "2001-01-01 00:00:00"
+0
+select cast("1:2:3" as TIME) = "1:02:03";
+cast("1:2:3" as TIME) = "1:02:03"
+0
diff --git a/mysql-test/r/constraints.result b/mysql-test/r/constraints.result
new file mode 100644
index 00000000000..3b41e291e0f
--- /dev/null
+++ b/mysql-test/r/constraints.result
@@ -0,0 +1,16 @@
+drop table if exists t1;
+create table t1 (a int check (a>0));
+insert into t1 values (1);
+insert into t1 values (0);
+drop table t1;
+create table t1 (a int ,b int, check a>b);
+insert into t1 values (1,0);
+insert into t1 values (0,1);
+drop table t1;
+create table t1 (a int ,b int, constraint abc check (a>b));
+insert into t1 values (1,0);
+insert into t1 values (0,1);
+drop table t1;
+create table t1 (a int null);
+insert into t1 values (1),(NULL);
+drop table t1;
diff --git a/mysql-test/r/func_time.result b/mysql-test/r/func_time.result
index 4a1012f73bf..2941352c776 100644
--- a/mysql-test/r/func_time.result
+++ b/mysql-test/r/func_time.result
@@ -24,6 +24,12 @@ now()-curdate()*1000000-curtime()
 select strcmp(current_timestamp(),concat(current_date()," ",current_time()));
 strcmp(current_timestamp(),concat(current_date()," ",current_time()))
 0
+select strcmp(localtime(),concat(current_date()," ",current_time()));
+strcmp(localtime(),concat(current_date()," ",current_time()))
+0
+select strcmp(localtimestamp(),concat(current_date()," ",current_time()));
+strcmp(localtimestamp(),concat(current_date()," ",current_time()))
+0
 select date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w");
 date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w")
 January Thursday 2nd 1997 97 01 02 03 04 05 4
diff --git a/mysql-test/t/bigint.test b/mysql-test/t/bigint.test
index 15b35ac7c87..15c61c2c0dc 100644
--- a/mysql-test/t/bigint.test
+++ b/mysql-test/t/bigint.test
@@ -35,11 +35,3 @@ alter table t1 modify big bigint not null;
 select min(big),max(big),max(big)-1 from t1;
 select min(big),max(big),max(big)-1 from t1 group by a;
 drop table t1;
-
-select CAST(1-2 AS UNSIGNED);
-select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
-select CONVERT('-1',UNSIGNED);
-select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
-select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
-select ~5, cast(~5 as signed);
-select cast(5 as unsigned) -6.0;
diff --git a/mysql-test/t/cast.test b/mysql-test/t/cast.test
new file mode 100644
index 00000000000..7a120ef5005
--- /dev/null
+++ b/mysql-test/t/cast.test
@@ -0,0 +1,22 @@
+#
+# Test of cast function
+#
+
+select CAST(1-2 AS UNSIGNED);
+select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
+select CONVERT('-1',UNSIGNED);
+select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
+select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
+select ~5, cast(~5 as signed);
+select cast(5 as unsigned) -6.0;
+select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
+select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
+select cast("1:2:3" as TIME);
+
+#
+# The following should be fixed in 4.1
+#
+
+select cast("2001-1-1" as date) = "2001-01-01";
+select cast("2001-1-1" as datetime) = "2001-01-01 00:00:00";
+select cast("1:2:3" as TIME) = "1:02:03";
diff --git a/mysql-test/t/constraints.test b/mysql-test/t/constraints.test
new file mode 100644
index 00000000000..8682cdc42a2
--- /dev/null
+++ b/mysql-test/t/constraints.test
@@ -0,0 +1,21 @@
+#
+# Testing of constraints
+# Currently MySQL only ignores the syntax.
+#
+drop table if exists t1;
+
+create table t1 (a int check (a>0));
+insert into t1 values (1);
+insert into t1 values (0);
+drop table t1;
+create table t1 (a int ,b int, check a>b);
+insert into t1 values (1,0);
+insert into t1 values (0,1);
+drop table t1;
+create table t1 (a int ,b int, constraint abc check (a>b));
+insert into t1 values (1,0);
+insert into t1 values (0,1);
+drop table t1;
+create table t1 (a int null);
+insert into t1 values (1),(NULL);
+drop table t1;
diff --git a/mysql-test/t/func_time.test b/mysql-test/t/func_time.test
index 2ff57959965..fdbc0f71dba 100644
--- a/mysql-test/t/func_time.test
+++ b/mysql-test/t/func_time.test
@@ -12,6 +12,8 @@ select sec_to_time(9001),sec_to_time(9001)+0,time_to_sec("15:12:22"),
 select sec_to_time(time_to_sec('-838:59:59'));
 select now()-curdate()*1000000-curtime();
 select strcmp(current_timestamp(),concat(current_date()," ",current_time()));
+select strcmp(localtime(),concat(current_date()," ",current_time()));
+select strcmp(localtimestamp(),concat(current_date()," ",current_time()));
 select date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w");
 select date_format("1997-01-02", concat("%M %W %D ","%Y %y %m %d %h %i %s %w"));
 select dayofmonth("1997-01-02"),dayofmonth(19970323);