ddl: Fixed partition interval from DayMinute to just Minute. (pingcap#57738)

close pingcap#57698

Author: mjonss

pkg/ddl/partition.go

@@ -1046,7 +1046,7 @@ func generatePartitionDefinitionsFromInterval(ctx expression.BuildContext, partO
 		return dbterror.ErrGeneralUnsupportedDDL.GenWithStackByArgs("INTERVAL partitioning, currently requires FIRST and LAST partitions to be defined")
 	}
 	switch partOptions.Interval.IntervalExpr.TimeUnit {
-	case ast.TimeUnitInvalid, ast.TimeUnitYear, ast.TimeUnitQuarter, ast.TimeUnitMonth, ast.TimeUnitWeek, ast.TimeUnitDay, ast.TimeUnitHour, ast.TimeUnitDayMinute, ast.TimeUnitSecond:
+	case ast.TimeUnitInvalid, ast.TimeUnitYear, ast.TimeUnitQuarter, ast.TimeUnitMonth, ast.TimeUnitWeek, ast.TimeUnitDay, ast.TimeUnitHour, ast.TimeUnitMinute, ast.TimeUnitSecond:
 	default:
 		return dbterror.ErrGeneralUnsupportedDDL.GenWithStackByArgs("INTERVAL partitioning, only supports YEAR, QUARTER, MONTH, WEEK, DAY, HOUR, MINUTE and SECOND as time unit")
 	}

tests/integrationtest/r/ddl/partition.result

@@ -401,3 +401,45 @@ ALTER TABLE tp1 PARTITION BY RANGE (id) (PARTITION `P_LT_200` VALUES LESS THAN (
  PARTITION `P_LT_500` VALUES LESS THAN (500),
  PARTITION `P_LT_600` VALUES LESS THAN (600));
 drop table tp1;
+DROP TABLE IF EXISTS t;
+CREATE TABLE t (a int NOT NULL, b varchar(20) NOT NULL, c datetime NOT NULL ) PARTITION BY RANGE COLUMNS (c) INTERVAL (1 MINUTE) FIRST PARTITION LESS THAN ('2024-01-01') LAST PARTITION LESS THAN ('2024-01-01 00:10:00');
+SHOW CREATE TABLE t;
+Table	Create Table
+t	CREATE TABLE `t` (
+  `a` int NOT NULL,
+  `b` varchar(20) NOT NULL,
+  `c` datetime NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
+PARTITION BY RANGE COLUMNS(`c`)
+(PARTITION `P_LT_2024-01-01 00:00:00` VALUES LESS THAN ('2024-01-01 00:00:00'),
+ PARTITION `P_LT_2024-01-01 00:01:00` VALUES LESS THAN ('2024-01-01 00:01:00'),
+ PARTITION `P_LT_2024-01-01 00:02:00` VALUES LESS THAN ('2024-01-01 00:02:00'),
+ PARTITION `P_LT_2024-01-01 00:03:00` VALUES LESS THAN ('2024-01-01 00:03:00'),
+ PARTITION `P_LT_2024-01-01 00:04:00` VALUES LESS THAN ('2024-01-01 00:04:00'),
+ PARTITION `P_LT_2024-01-01 00:05:00` VALUES LESS THAN ('2024-01-01 00:05:00'),
+ PARTITION `P_LT_2024-01-01 00:06:00` VALUES LESS THAN ('2024-01-01 00:06:00'),
+ PARTITION `P_LT_2024-01-01 00:07:00` VALUES LESS THAN ('2024-01-01 00:07:00'),
+ PARTITION `P_LT_2024-01-01 00:08:00` VALUES LESS THAN ('2024-01-01 00:08:00'),
+ PARTITION `P_LT_2024-01-01 00:09:00` VALUES LESS THAN ('2024-01-01 00:09:00'),
+ PARTITION `P_LT_2024-01-01 00:10:00` VALUES LESS THAN ('2024-01-01 00:10:00'))
+ALTER TABLE t FIRST PARTITION LESS THAN ('2024-01-01 00:02:00');
+ALTER TABLE t LAST PARTITION LESS THAN ('2024-01-01 00:12:00');
+SHOW CREATE TABLE t;
+Table	Create Table
+t	CREATE TABLE `t` (
+  `a` int NOT NULL,
+  `b` varchar(20) NOT NULL,
+  `c` datetime NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
+PARTITION BY RANGE COLUMNS(`c`)
+(PARTITION `P_LT_2024-01-01 00:02:00` VALUES LESS THAN ('2024-01-01 00:02:00'),
+ PARTITION `P_LT_2024-01-01 00:03:00` VALUES LESS THAN ('2024-01-01 00:03:00'),
+ PARTITION `P_LT_2024-01-01 00:04:00` VALUES LESS THAN ('2024-01-01 00:04:00'),
+ PARTITION `P_LT_2024-01-01 00:05:00` VALUES LESS THAN ('2024-01-01 00:05:00'),
+ PARTITION `P_LT_2024-01-01 00:06:00` VALUES LESS THAN ('2024-01-01 00:06:00'),
+ PARTITION `P_LT_2024-01-01 00:07:00` VALUES LESS THAN ('2024-01-01 00:07:00'),
+ PARTITION `P_LT_2024-01-01 00:08:00` VALUES LESS THAN ('2024-01-01 00:08:00'),
+ PARTITION `P_LT_2024-01-01 00:09:00` VALUES LESS THAN ('2024-01-01 00:09:00'),
+ PARTITION `P_LT_2024-01-01 00:10:00` VALUES LESS THAN ('2024-01-01 00:10:00'),
+ PARTITION `P_LT_2024-01-01 00:11:00` VALUES LESS THAN ('2024-01-01 00:11:00'),
+ PARTITION `P_LT_2024-01-01 00:12:00` VALUES LESS THAN ('2024-01-01 00:12:00'))

tests/integrationtest/t/ddl/partition.test

@@ -198,3 +198,11 @@ create table tp1(id int);
 ALTER TABLE tp1 PARTITION BY RANGE (id) INTERVAL (100) FIRST PARTITION LESS THAN (200) LAST PARTITION LESS THAN (600);
 select QUERY from information_schema.ddl_jobs limit 1;
 drop table tp1;
+
+# Minute interval partitioning, #57698
+DROP TABLE IF EXISTS t;
+CREATE TABLE t (a int NOT NULL, b varchar(20) NOT NULL, c datetime NOT NULL ) PARTITION BY RANGE COLUMNS (c) INTERVAL (1 MINUTE) FIRST PARTITION LESS THAN ('2024-01-01') LAST PARTITION LESS THAN ('2024-01-01 00:10:00');
+SHOW CREATE TABLE t;
+ALTER TABLE t FIRST PARTITION LESS THAN ('2024-01-01 00:02:00');
+ALTER TABLE t LAST PARTITION LESS THAN ('2024-01-01 00:12:00');
+SHOW CREATE TABLE t;