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|
SET @max_row = 20;
SET @@session.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
MYSQLTEST_VARDIR/master-data/test/t1.frm
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)) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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)) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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)) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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 MySQL 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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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
MYSQLTEST_VARDIR/master-data/test/t1.frm
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;
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
MYSQLTEST_VARDIR/master-data/test/t1.frm
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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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) */
MYSQLTEST_VARDIR/master-data/test/t1.frm
MYSQLTEST_VARDIR/master-data/test/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
MYSQLTEST_VARDIR/master-data/test/t1.frm
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;
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;
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