merge

mysql-test/r/partition_error.result

 drop table if exists t1;
+#
+# Bug#50392: insert_id is not reset for partitioned tables
+#            auto_increment on duplicate entry
+CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY);
+SET INSERT_ID= 13;
+INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID= 12;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+ERROR 23000: Duplicate entry '13' for key 'PRIMARY'
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY (`a`)
+) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=latin1
+INSERT INTO t1 VALUES (NULL);
+SELECT * FROM t1;
+a
+12
+13
+14
+DROP TABLE t1;
+CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY) PARTITION BY KEY(a);
+SET INSERT_ID= 13;
+INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID= 12;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+ERROR 23000: Duplicate entry '13' for key 'PRIMARY'
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) NOT NULL AUTO_INCREMENT,
+  PRIMARY KEY (`a`)
+) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=latin1
+/*!50100 PARTITION BY KEY (a) */
+INSERT INTO t1 VALUES (NULL);
+SELECT * FROM t1;
+a
+12
+13
+14
+DROP TABLE t1;
 CREATE TABLE t1 (a INTEGER NOT NULL, PRIMARY KEY (a));
 INSERT INTO t1 VALUES (1),(1);
 ERROR 23000: Duplicate entry '1' for key 'PRIMARY'

mysql-test/r/partition_innodb.result

-drop table if exists t1;
+drop table if exists t1, t2;
+#
+# Bug#51830: Incorrect partition pruning on range partition (regression)
+#
+CREATE TABLE t1 (a INT NOT NULL)
+ENGINE = InnoDB
+PARTITION BY RANGE(a)
+(PARTITION p10 VALUES LESS THAN (10),
+PARTITION p30 VALUES LESS THAN (30),
+PARTITION p50 VALUES LESS THAN (50),
+PARTITION p70 VALUES LESS THAN (70),
+PARTITION p90 VALUES LESS THAN (90));
+INSERT INTO t1 VALUES (10),(30),(50);
+INSERT INTO t1 VALUES (70);
+INSERT INTO t1 VALUES (80);
+INSERT INTO t1 VALUES (89);
+INSERT INTO t1 VALUES (90);
+ERROR HY000: Table has no partition for value 90
+INSERT INTO t1 VALUES (100);
+ERROR HY000: Table has no partition for value 100
+insert INTO t1 VALUES (110);
+ERROR HY000: Table has no partition for value 110
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	5	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	5	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 90;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	5	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p90	ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	p90	ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 89;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 100;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 100;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 100;
+id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1		ALL	NULL	NULL	NULL	NULL	7	Using where
+DROP TABLE t1;
+#
+# Bug#50104: Partitioned table with just 1 partion works with fk
+#
+CREATE TABLE t2 (
+id INT,
+PRIMARY KEY (id)
+) ENGINE=InnoDB ;
+CREATE TABLE t1 (
+id INT NOT NULL AUTO_INCREMENT,
+parent_id INT DEFAULT NULL,
+PRIMARY KEY (id),
+KEY parent_id (parent_id)
+) ENGINE=InnoDB;
+ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 1;
+ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
+ERROR HY000: Foreign key clause is not yet supported in conjunction with partitioning
+ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 2;
+ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
+ERROR HY000: Foreign key clause is not yet supported in conjunction with partitioning
+DROP TABLE t1, t2;
 create table t1 (a int not null,
 b datetime not null,
 primary key (a,b))

mysql-test/r/partition_range.result

 drop table if exists t1, t2;
+#
+# Bug#48229: group by performance issue of partitioned table
+#
+CREATE TABLE t1 (
+a INT,
+b INT,
+KEY a (a,b)
+)
+PARTITION BY HASH (a) PARTITIONS 1;
+INSERT INTO t1 VALUES (0, 580092), (3, 894076), (4, 805483), (4, 913540), (6, 611137), (8, 171602), (9, 599495), (9, 746305), (10, 272829), (10, 847519), (12, 258869), (12, 929028), (13, 288970), (15, 20971), (15, 105839), (16, 788272), (17, 76914), (18, 827274), (19, 802258), (20, 123677), (20, 587729), (22, 701449), (25, 31565), (25, 230782), (25, 442887), (25, 733139), (25, 851020);
+EXPLAIN SELECT a, MAX(b) FROM t1 WHERE a IN (10, 100, 3) GROUP BY a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	range	a	a	5	NULL	4	Using where; Using index
+DROP TABLE t1;
 create table t1 (a int)
 partition by range (a)
 ( partition p0 values less than (maxvalue));

mysql-test/suite/parts/inc/partition_auto_increment.inc

@@ -42,6 +42,15 @@ if ($mysql_errno)
 INSERT INTO t1 VALUES (NULL);
 SET INSERT_ID = 30;
 INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID = 29;
+-- error 0, ER_DUP_ENTRY, ER_DUP_KEY
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+if (!$mysql_errno)
+{
+  echo # ERROR (only OK if Blackhole) should give ER_DUP_KEY or ER_DUP_ENTRY;
+  echo # mysql_errno: $mysql_errno;
+}
+INSERT INTO t1 VALUES (NULL);
 if (!$skip_update)
 {
 # InnoDB Does not handle this correctly, see bug#14793, bug#21641
@@ -601,6 +610,15 @@ SET INSERT_ID = 23;
 SHOW CREATE TABLE t1;
 INSERT INTO t1 (c1) VALUES (NULL);
 SHOW CREATE TABLE t1;
+SET INSERT_ID = 22;
+-- error 0, ER_DUP_ENTRY, ER_DUP_KEY
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+if (!$mysql_errno)
+{
+  echo # ERROR (only OK if Blackhole) should give ER_DUP_KEY or ER_DUP_ENTRY;
+  echo # mysql_errno: $mysql_errno;
+}
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 DROP TABLE t1;
 

mysql-test/suite/parts/r/partition_auto_increment_archive.result

@@ -34,6 +34,9 @@ INSERT INTO t1 VALUES (NULL), (10), (NULL);
 INSERT INTO t1 VALUES (NULL);
 SET INSERT_ID = 30;
 INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID = 29;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 c1
 2
@@ -46,6 +49,7 @@ c1
 21
 22
 30
+31
 DROP TABLE t1;
 CREATE TABLE t1 (
 c1 INT NOT NULL AUTO_INCREMENT,
@@ -751,10 +755,15 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=ARCHIVE AUTO_INCREMENT=24 DEFAULT CHARSET=latin1
 /*!50100 PARTITION BY HASH (c1)
 PARTITIONS 2 */
+SET INSERT_ID = 22;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 c1
 1
+22
 23
+24
 DROP TABLE t1;
 # Testing with FLUSH TABLE
 CREATE TABLE t1 (

mysql-test/suite/parts/r/partition_auto_increment_blackhole.result

@@ -35,6 +35,11 @@ INSERT INTO t1 VALUES (NULL), (10), (NULL);
 INSERT INTO t1 VALUES (NULL);
 SET INSERT_ID = 30;
 INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID = 29;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+# ERROR (only OK if Blackhole) should give ER_DUP_KEY or ER_DUP_ENTRY
+# mysql_errno: 0
+INSERT INTO t1 VALUES (NULL);
 UPDATE t1 SET c1 = 50 WHERE c1 = 17;
 UPDATE t1 SET c1 = 51 WHERE c1 = 19;
 FLUSH TABLES;
@@ -597,6 +602,11 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=BLACKHOLE AUTO_INCREMENT=24 DEFAULT CHARSET=latin1
 /*!50100 PARTITION BY HASH (c1)
 PARTITIONS 2 */
+SET INSERT_ID = 22;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+# ERROR (only OK if Blackhole) should give ER_DUP_KEY or ER_DUP_ENTRY
+# mysql_errno: 0
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 c1
 DROP TABLE t1;

mysql-test/suite/parts/r/partition_auto_increment_innodb.result

@@ -33,6 +33,9 @@ INSERT INTO t1 VALUES (NULL), (10), (NULL);
 INSERT INTO t1 VALUES (NULL);
 SET INSERT_ID = 30;
 INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID = 29;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 UPDATE t1 SET c1 = 50 WHERE c1 = 17;
 UPDATE t1 SET c1 = 51 WHERE c1 = 19;
 FLUSH TABLES;
@@ -40,7 +43,7 @@ UPDATE t1 SET c1 = 40 WHERE c1 = 50;
 SELECT AUTO_INCREMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='test'
   AND TABLE_NAME='t1';
 AUTO_INCREMENT
-31
+32
 UPDATE t1 SET c1 = NULL WHERE c1 = 4;
 Warnings:
 Warning	1048	Column 'c1' cannot be null
@@ -60,6 +63,7 @@ c1
 30
 31
 32
+33
 40
 51
 DROP TABLE t1;
@@ -771,10 +775,14 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=InnoDB AUTO_INCREMENT=24 DEFAULT CHARSET=latin1
 /*!50100 PARTITION BY HASH (c1)
 PARTITIONS 2 */
+SET INSERT_ID = 22;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 c1
 1
 23
+24
 DROP TABLE t1;
 # Testing with FLUSH TABLE
 CREATE TABLE t1 (

mysql-test/suite/parts/r/partition_auto_increment_memory.result

@@ -33,6 +33,9 @@ INSERT INTO t1 VALUES (NULL), (10), (NULL);
 INSERT INTO t1 VALUES (NULL);
 SET INSERT_ID = 30;
 INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID = 29;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 UPDATE t1 SET c1 = 50 WHERE c1 = 17;
 UPDATE t1 SET c1 = 51 WHERE c1 = 19;
 FLUSH TABLES;
@@ -57,7 +60,9 @@ c1
 21
 22
 23
+29
 30
+31
 40
 51
 52
@@ -797,10 +802,15 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=MEMORY AUTO_INCREMENT=24 DEFAULT CHARSET=latin1
 /*!50100 PARTITION BY HASH (c1)
 PARTITIONS 2 */
+SET INSERT_ID = 22;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 c1
 1
+22
 23
+24
 DROP TABLE t1;
 # Testing with FLUSH TABLE
 CREATE TABLE t1 (

mysql-test/suite/parts/r/partition_auto_increment_myisam.result

@@ -33,6 +33,9 @@ INSERT INTO t1 VALUES (NULL), (10), (NULL);
 INSERT INTO t1 VALUES (NULL);
 SET INSERT_ID = 30;
 INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID = 29;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 UPDATE t1 SET c1 = 50 WHERE c1 = 17;
 UPDATE t1 SET c1 = 51 WHERE c1 = 19;
 FLUSH TABLES;
@@ -57,7 +60,9 @@ c1
 21
 22
 23
+29
 30
+31
 40
 51
 52
@@ -816,10 +821,15 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=MyISAM AUTO_INCREMENT=24 DEFAULT CHARSET=latin1
 /*!50100 PARTITION BY HASH (c1)
 PARTITIONS 2 */
+SET INSERT_ID = 22;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 c1
 1
+22
 23
+24
 DROP TABLE t1;
 # Testing with FLUSH TABLE
 CREATE TABLE t1 (

mysql-test/suite/parts/r/partition_auto_increment_ndb.result

@@ -34,6 +34,9 @@ INSERT INTO t1 VALUES (NULL), (10), (NULL);
 INSERT INTO t1 VALUES (NULL);
 SET INSERT_ID = 30;
 INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID = 29;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 UPDATE t1 SET c1 = 50 WHERE c1 = 17;
 UPDATE t1 SET c1 = 51 WHERE c1 = 19;
 FLUSH TABLES;
@@ -58,6 +61,7 @@ c1
 21
 22
 23
+24
 30
 40
 51
@@ -792,9 +796,13 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=ndbcluster DEFAULT CHARSET=latin1
 /*!50100 PARTITION BY HASH (c1)
 PARTITIONS 2 */
+SET INSERT_ID = 22;
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+INSERT INTO t1 VALUES (NULL);
 SELECT * FROM t1 ORDER BY c1;
 c1
 1
+2
 23
 DROP TABLE t1;
 # Testing with FLUSH TABLE

mysql-test/t/partition_error.test

@@ -8,6 +8,30 @@
 drop table if exists t1;
 --enable_warnings
  
+--echo #
+--echo # Bug#50392: insert_id is not reset for partitioned tables
+--echo #            auto_increment on duplicate entry
+CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY);
+SET INSERT_ID= 13;
+INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID= 12;
+--error ER_DUP_ENTRY
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+SHOW CREATE TABLE t1;
+INSERT INTO t1 VALUES (NULL);
+SELECT * FROM t1;
+DROP TABLE t1;
+CREATE TABLE t1 (a INT AUTO_INCREMENT PRIMARY KEY) PARTITION BY KEY(a);
+SET INSERT_ID= 13;
+INSERT INTO t1 VALUES (NULL);
+SET INSERT_ID= 12;
+--error ER_DUP_ENTRY
+INSERT INTO t1 VALUES (NULL), (NULL), (NULL);
+SHOW CREATE TABLE t1;
+INSERT INTO t1 VALUES (NULL);
+SELECT * FROM t1;
+DROP TABLE t1;
+
 #
 # Bug#38719: Partitioning returns a different error code for a
 # duplicate key error

mysql-test/t/partition_innodb.test

@@ -2,11 +2,70 @@
 --source include/have_innodb.inc
 
 --disable_warnings
-drop table if exists t1;
+drop table if exists t1, t2;
 --enable_warnings
 
 let $MYSQLD_DATADIR= `SELECT @@datadir`;
 
+--echo #
+--echo # Bug#51830: Incorrect partition pruning on range partition (regression)
+--echo #
+CREATE TABLE t1 (a INT NOT NULL)
+ENGINE = InnoDB
+PARTITION BY RANGE(a)
+(PARTITION p10 VALUES LESS THAN (10),
+ PARTITION p30 VALUES LESS THAN (30),
+ PARTITION p50 VALUES LESS THAN (50),
+ PARTITION p70 VALUES LESS THAN (70),
+ PARTITION p90 VALUES LESS THAN (90));
+INSERT INTO t1 VALUES (10),(30),(50);
+INSERT INTO t1 VALUES (70);
+INSERT INTO t1 VALUES (80);
+INSERT INTO t1 VALUES (89);
+--error ER_NO_PARTITION_FOR_GIVEN_VALUE
+INSERT INTO t1 VALUES (90);
+--error ER_NO_PARTITION_FOR_GIVEN_VALUE
+INSERT INTO t1 VALUES (100);
+--error ER_NO_PARTITION_FOR_GIVEN_VALUE
+insert INTO t1 VALUES (110);
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 90;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 90;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 90;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 89;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 89;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 89;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = 100;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= 100;
+EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > 100;
+DROP TABLE t1;
+
+--echo #
+--echo # Bug#50104: Partitioned table with just 1 partion works with fk
+--echo #
+CREATE TABLE t2 (
+  id INT,
+  PRIMARY KEY (id)
+) ENGINE=InnoDB ;
+
+CREATE TABLE t1 (
+  id INT NOT NULL AUTO_INCREMENT,
+  parent_id INT DEFAULT NULL,
+  PRIMARY KEY (id),
+  KEY parent_id (parent_id)
+) ENGINE=InnoDB;
+
+ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 1;
+
+--error ER_FOREIGN_KEY_ON_PARTITIONED
+ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
+
+ALTER TABLE t1 PARTITION BY HASH (id) PARTITIONS 2;
+
+--error ER_FOREIGN_KEY_ON_PARTITIONED
+ALTER TABLE t1 ADD CONSTRAINT test_ibfk_1 FOREIGN KEY (parent_id) REFERENCES t2 (id);
+
+DROP TABLE t1, t2;
+
 #
 # Bug#47029: Crash when reorganize partition with subpartition
 #

mysql-test/t/partition_pruning.test

@@ -702,15 +702,29 @@ insert into t7 values (10),(30),(50);
 
 # leftmost intervals
 explain partitions select * from t7 where a < 5;
+explain partitions select * from t7 where a < 9;
+explain partitions select * from t7 where a <= 9;
+explain partitions select * from t7 where a = 9;
+explain partitions select * from t7 where a >= 9;
+explain partitions select * from t7 where a > 9;
 explain partitions select * from t7 where a < 10;
 explain partitions select * from t7 where a <= 10;
 explain partitions select * from t7 where a = 10;
+explain partitions select * from t7 where a >= 10;
+explain partitions select * from t7 where a > 10;
 
 #rightmost intervals
+explain partitions select * from t7 where a < 89;
+explain partitions select * from t7 where a <= 89;
+explain partitions select * from t7 where a = 89;
+explain partitions select * from t7 where a > 89;
+explain partitions select * from t7 where a >= 89;
 explain partitions select * from t7 where a < 90;
+explain partitions select * from t7 where a <= 90;
 explain partitions select * from t7 where a = 90;
 explain partitions select * from t7 where a > 90;
 explain partitions select * from t7 where a >= 90;
+explain partitions select * from t7 where a > 91;
 
 # misc intervals
 explain partitions select * from t7 where a > 11 and a < 29;
@@ -728,15 +742,29 @@ insert into t7 values (10),(30),(50);
 
 # leftmost intervals
 explain partitions select * from t7 where a < 5;
+explain partitions select * from t7 where a < 9;
+explain partitions select * from t7 where a <= 9;
+explain partitions select * from t7 where a = 9;
+explain partitions select * from t7 where a >= 9;
+explain partitions select * from t7 where a > 9;
 explain partitions select * from t7 where a < 10;
 explain partitions select * from t7 where a <= 10;
 explain partitions select * from t7 where a = 10;
+explain partitions select * from t7 where a >= 10;
+explain partitions select * from t7 where a > 10;
 
 #rightmost intervals
+explain partitions select * from t7 where a < 89;
+explain partitions select * from t7 where a <= 89;
+explain partitions select * from t7 where a = 89;
+explain partitions select * from t7 where a > 89;
+explain partitions select * from t7 where a >= 89;
 explain partitions select * from t7 where a < 90;
+explain partitions select * from t7 where a <= 90;
 explain partitions select * from t7 where a = 90;
 explain partitions select * from t7 where a > 90;
 explain partitions select * from t7 where a >= 90;
+explain partitions select * from t7 where a > 91;
 
 # misc intervals
 explain partitions select * from t7 where a > 11 and a < 29;

mysql-test/t/partition_range.test

@@ -9,6 +9,24 @@
 drop table if exists t1, t2;
 --enable_warnings
 
+--echo #
+--echo # Bug#48229: group by performance issue of partitioned table
+--echo #
+CREATE TABLE t1 (
+ a INT,
+ b INT,
+ KEY a (a,b)
+)
+PARTITION BY HASH (a) PARTITIONS 1;
+
+# insert some rows (i.e. so that rows/blocks > 1)
+INSERT INTO t1 VALUES (0, 580092), (3, 894076), (4, 805483), (4, 913540), (6, 611137), (8, 171602), (9, 599495), (9, 746305), (10, 272829), (10, 847519), (12, 258869), (12, 929028), (13, 288970), (15, 20971), (15, 105839), (16, 788272), (17, 76914), (18, 827274), (19, 802258), (20, 123677), (20, 587729), (22, 701449), (25, 31565), (25, 230782), (25, 442887), (25, 733139), (25, 851020);
+
+# Before the fix the 'Extra' column showed 'Using index for group-by'
+EXPLAIN SELECT a, MAX(b) FROM t1 WHERE a IN (10, 100, 3) GROUP BY a;
+
+DROP TABLE t1;
+
 #
 # BUG 33429: Succeeds in  adding partition when maxvalue on last partition
 #

sql/ha_partition.cc

@@ -5090,6 +5090,7 @@ int ha_partition::info(uint flag)
 
     file= m_file[handler_instance];
     file->info(HA_STATUS_CONST);
+    stats.block_size= file->stats.block_size;
     stats.create_time= file->stats.create_time;
     ref_length= m_ref_length;
   }
@@ -6454,9 +6455,22 @@ void ha_partition::release_auto_increment()
     ulonglong next_auto_inc_val;
     lock_auto_increment();
     next_auto_inc_val= ha_data->next_auto_inc_val;
+    /*
+      If the current auto_increment values is lower than the reserved
+      value, and the reserved value was reserved by this thread,
+      we can lower the reserved value.
+    */
     if (next_insert_id < next_auto_inc_val &&
         auto_inc_interval_for_cur_row.maximum() >= next_auto_inc_val)
-      ha_data->next_auto_inc_val= next_insert_id;
+    {
+      THD *thd= ha_thd();
+      /*
+        Check that we do not lower the value because of a failed insert
+        with SET INSERT_ID, i.e. forced/non generated values.
+      */
+      if (thd->auto_inc_intervals_forced.maximum() < next_insert_id)
+        ha_data->next_auto_inc_val= next_insert_id;
+    }
     DBUG_PRINT("info", ("ha_data->next_auto_inc_val: %lu",
                         (ulong) ha_data->next_auto_inc_val));
 

sql/sql_partition.cc

@@ -2876,6 +2876,7 @@ int get_partition_id_range(partition_info *part_info,
   *func_value= part_func_value;
   if (unsigned_flag)
     part_func_value-= 0x8000000000000000ULL;
+  /* Search for the partition containing part_func_value */
   while (max_part_id > min_part_id)
   {
     loc_part_id= (max_part_id + min_part_id) / 2;
@@ -3015,11 +3016,17 @@ uint32 get_partition_id_range_for_endpoint(partition_info *part_info,
   part_end_val= range_array[loc_part_id];
   if (left_endpoint)
   {
+    DBUG_ASSERT(part_func_value > part_end_val ?
+                (loc_part_id == max_partition &&
+                 !part_info->defined_max_value) :
+                1);
     /*
       In case of PARTITION p VALUES LESS THAN MAXVALUE
-      the maximum value is in the current partition.
+      the maximum value is in the current (last) partition.
+      If value is equal or greater than the endpoint,
+      the range starts from the next partition.
     */
-    if (part_func_value == part_end_val &&
+    if (part_func_value >= part_end_val &&
         (loc_part_id < max_partition || !part_info->defined_max_value))
       loc_part_id++;
   }
@@ -4273,6 +4280,12 @@ uint prep_alter_part_table(THD *thd, TABLE *table, Alter_info *alter_info,
 {
   DBUG_ENTER("prep_alter_part_table");
 
+  /* Foreign keys on partitioned tables are not supported, waits for WL#148 */
+  if (table->part_info && (alter_info->flags & ALTER_FOREIGN_KEY))
+  {
+    my_error(ER_FOREIGN_KEY_ON_PARTITIONED, MYF(0));
+    DBUG_RETURN(TRUE);
+  }
   /*
     We are going to manipulate the partition info on the table object
     so we need to ensure that the data structure of the table object