SET @max_row = 20;
SET @@session.default_storage_engine = 'InnoDB';

#------------------------------------------------------------------------
#  0. Setting of auxiliary variables + Creation of an auxiliary tables
#     needed in many testcases
#------------------------------------------------------------------------
SELECT @max_row DIV 2 INTO @max_row_div2;
SELECT @max_row DIV 3 INTO @max_row_div3;
SELECT @max_row DIV 4 INTO @max_row_div4;
SET @max_int_4 = 2147483647;
DROP TABLE IF EXISTS t0_template;
CREATE TABLE t0_template (
f_int1 INTEGER,
f_int2 INTEGER,
f_char1 CHAR(20),
f_char2 CHAR(20),
f_charbig VARCHAR(1000) ,
PRIMARY KEY(f_int1))
ENGINE = MEMORY;
#     Logging of <max_row> INSERTs into t0_template suppressed
DROP TABLE IF EXISTS t0_definition;
CREATE TABLE t0_definition (
state CHAR(3),
create_command VARBINARY(5000),
file_list      VARBINARY(10000),
PRIMARY KEY (state)
) ENGINE = MEMORY;
DROP TABLE IF EXISTS t0_aux;
CREATE TABLE t0_aux ( f_int1 INTEGER,
f_int2 INTEGER,
f_char1 CHAR(20),
f_char2 CHAR(20),
f_charbig VARCHAR(1000) )
ENGINE = MEMORY;
SET AUTOCOMMIT= 1;
SET @@session.sql_mode= '';
# End of basic preparations needed for all tests
#-----------------------------------------------

#========================================================================
#  1.    Partition management commands on HASH partitioned table
#           column in partitioning function is of type DATE
#========================================================================
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (f_date DATE, f_varchar VARCHAR(30));
INSERT INTO t1 (f_date, f_varchar)
SELECT CONCAT(CAST((f_int1 + 999) AS CHAR),'-02-10'), CAST(f_char1 AS CHAR)
FROM t0_template
WHERE f_int1 + 999 BETWEEN 1000 AND 9999;
SELECT IF(9999 - 1000 + 1 > @max_row, @max_row , 9999 - 1000 + 1)
INTO @exp_row_count;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
t1.frm
t1.ibd
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#------------------------------------------------------------------------
#  1.1   Increase number of PARTITIONS
#------------------------------------------------------------------------
#  1.1.1 ADD PARTITION to not partitioned table --> must fail
ALTER TABLE t1 ADD PARTITION (PARTITION part2);
ERROR HY000: Partition management on a not partitioned table is not possible
#  1.1.2 Assign HASH partitioning
ALTER TABLE t1 PARTITION BY HASH(YEAR(f_date));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date)) */
t1#P#p0.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  1.1.3 Assign other HASH partitioning to already partitioned table
#        + test and switch back + test
ALTER TABLE t1 PARTITION BY HASH(DAYOFYEAR(f_date));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (DAYOFYEAR(f_date)) */
t1#P#p0.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 PARTITION BY HASH(YEAR(f_date));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date)) */
t1#P#p0.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  1.1.4 Add PARTITIONS not fitting to HASH --> must fail
ALTER TABLE t1 ADD PARTITION (PARTITION part1 VALUES IN (0));
ERROR HY000: Only LIST PARTITIONING can use VALUES IN in partition definition
ALTER TABLE t1 ADD PARTITION (PARTITION part2 VALUES LESS THAN (0));
ERROR HY000: Only RANGE PARTITIONING can use VALUES LESS THAN in partition definition
#  1.1.5 Add two named partitions + test
ALTER TABLE t1 ADD PARTITION (PARTITION part1, PARTITION part7);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	part1	ALL	NULL	NULL	NULL	NULL	7	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  1.1.6 Add two named partitions, name clash --> must fail
ALTER TABLE t1 ADD PARTITION (PARTITION part1, PARTITION part7);
ERROR HY000: Duplicate partition name part1
#  1.1.7 Add one named partition + test
ALTER TABLE t1 ADD PARTITION (PARTITION part2);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	5	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  1.1.8 Add four not named partitions + test
ALTER TABLE t1 ADD PARTITION PARTITIONS 4;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB,
 PARTITION p5 ENGINE = InnoDB,
 PARTITION p6 ENGINE = InnoDB,
 PARTITION p7 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#p5.ibd
t1#P#p6.ibd
t1#P#p7.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	3	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#------------------------------------------------------------------------
#  1.2   Decrease number of PARTITIONS
#------------------------------------------------------------------------
#  1.2.1 DROP PARTITION is not supported for HASH --> must fail
ALTER TABLE t1 DROP PARTITION part1;
ERROR HY000: DROP PARTITION can only be used on RANGE/LIST partitions
#  1.2.2 COALESCE PARTITION partitionname is not supported
ALTER TABLE t1 COALESCE PARTITION part1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'part1' at line 1
#  1.2.3 Decrease by 0 is non sense --> must fail
ALTER TABLE t1 COALESCE PARTITION 0;
ERROR HY000: At least one partition must be coalesced
#  1.2.4 COALESCE one partition + test loop
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB,
 PARTITION p5 ENGINE = InnoDB,
 PARTITION p6 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#p5.ibd
t1#P#p6.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p6	ALL	NULL	NULL	NULL	NULL	3	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB,
 PARTITION p5 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#p5.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p4	ALL	NULL	NULL	NULL	NULL	4	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	4	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	5	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	part1	ALL	NULL	NULL	NULL	NULL	7	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	10	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY HASH (YEAR(f_date))
(PARTITION p0 ENGINE = InnoDB) */
t1#P#p0.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  1.2.5 COALESCE of last partition --> must fail
ALTER TABLE t1 COALESCE PARTITION 1;
ERROR HY000: Cannot remove all partitions, use DROP TABLE instead
#  1.2.6 Remove partitioning
ALTER TABLE t1 REMOVE PARTITIONING;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_date` date DEFAULT NULL,
  `f_varchar` varchar(30) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
t1.frm
t1.ibd
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  1.2.7 Remove partitioning from not partitioned table --> ????
ALTER TABLE t1 REMOVE PARTITIONING;
ERROR HY000: Partition management on a not partitioned table is not possible
DROP TABLE t1;
# Attention: There are unused files.
#            Either the DROP TABLE or a preceding ALTER TABLE
#            <alter partitioning> worked incomplete.
# We found:
unified filelist
--- not determined ---

#========================================================================
#  2.    Partition management commands on KEY partitioned table
#========================================================================
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
f_int1 INTEGER,
f_int2 INTEGER,
f_char1 CHAR(20),
f_char2 CHAR(20),
f_charbig VARCHAR(1000)
);
INSERT INTO t1(f_int1,f_int2,f_char1,f_char2,f_charbig)
SELECT f_int1,f_int2,f_char1,f_char2,f_charbig FROM t0_template;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
t1.frm
t1.ibd
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#------------------------------------------------------------------------
#  2.1   Increase number of PARTITIONS
#        Some negative testcases are omitted (already checked with HASH).
#------------------------------------------------------------------------
#  2.1.1 Assign KEY partitioning
ALTER TABLE t1 PARTITION BY KEY(f_int1);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1) */
t1#P#p0.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  2.1.2 Add PARTITIONS not fitting to KEY --> must fail
ALTER TABLE t1 ADD PARTITION (PARTITION part1 VALUES IN (0));
ERROR HY000: Only LIST PARTITIONING can use VALUES IN in partition definition
ALTER TABLE t1 ADD PARTITION (PARTITION part2 VALUES LESS THAN (0));
ERROR HY000: Only RANGE PARTITIONING can use VALUES LESS THAN in partition definition
#  2.1.3 Add two named partitions + test
ALTER TABLE t1 ADD PARTITION (PARTITION part1, PARTITION part7);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	part7	ALL	NULL	NULL	NULL	NULL	7	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  2.1.4 Add one named partition + test
ALTER TABLE t1 ADD PARTITION (PARTITION part2);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	part7	ALL	NULL	NULL	NULL	NULL	5	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  2.1.5 Add four not named partitions + test
ALTER TABLE t1 ADD PARTITION PARTITIONS 4;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB,
 PARTITION p5 ENGINE = InnoDB,
 PARTITION p6 ENGINE = InnoDB,
 PARTITION p7 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#p5.ibd
t1#P#p6.ibd
t1#P#p7.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p6	ALL	NULL	NULL	NULL	NULL	3	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#------------------------------------------------------------------------
#  2.2   Decrease number of PARTITIONS
#        Some negative testcases are omitted (already checked with HASH).
#------------------------------------------------------------------------
#  2.2.1 DROP PARTITION is not supported for KEY --> must fail
ALTER TABLE t1 DROP PARTITION part1;
ERROR HY000: DROP PARTITION can only be used on RANGE/LIST partitions
#  2.2.4 COALESCE one partition + test loop
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB,
 PARTITION p5 ENGINE = InnoDB,
 PARTITION p6 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#p5.ibd
t1#P#p6.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	4	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB,
 PARTITION p5 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#p5.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	part7	ALL	NULL	NULL	NULL	NULL	3	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB,
 PARTITION p4 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#p4.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p4	ALL	NULL	NULL	NULL	NULL	10	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB,
 PARTITION part2 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part2.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	part7	ALL	NULL	NULL	NULL	NULL	5	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB,
 PARTITION part7 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1#P#part7.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	part7	ALL	NULL	NULL	NULL	NULL	7	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB,
 PARTITION part1 ENGINE = InnoDB) */
t1#P#p0.ibd
t1#P#part1.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	10	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
/*!50100 PARTITION BY KEY (f_int1)
(PARTITION p0 ENGINE = InnoDB) */
t1#P#p0.ibd
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	p0	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  2.2.5 COALESCE of last partition --> must fail
ALTER TABLE t1 COALESCE PARTITION 1;
ERROR HY000: Cannot remove all partitions, use DROP TABLE instead
#  2.2.6 Remove partitioning
ALTER TABLE t1 REMOVE PARTITIONING;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `f_int1` int(11) DEFAULT NULL,
  `f_int2` int(11) DEFAULT NULL,
  `f_char1` char(20) DEFAULT NULL,
  `f_char2` char(20) DEFAULT NULL,
  `f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
t1.frm
t1.ibd
EXPLAIN PARTITIONS SELECT COUNT(*) <> 1 FROM t1 WHERE f_int1 = 3;
id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	20	Using where
# check read single success: 1
# check read all success: 1
# check read row by row success: 1
#  2.2.7 Remove partitioning from not partitioned table --> ????
ALTER TABLE t1 REMOVE PARTITIONING;
ERROR HY000: Partition management on a not partitioned table is not possible
DROP TABLE t1;
# Attention: There are unused files.
#            Either the DROP TABLE or a preceding ALTER TABLE
#            <alter partitioning> worked incomplete.
# We found:
unified filelist
--- not determined ---
DROP VIEW  IF EXISTS v1;
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t0_aux;
DROP TABLE IF EXISTS t0_definition;
DROP TABLE IF EXISTS t0_template;
