Quelle partition_alter3_myisam.result
Sprache: Lisp
SET @max_row = 20; SET @@session.default_storage_engine = 'MyISAM';
#------------------------------------------------------------------------
# 0. Setting of auxiliary variables + Creation of an auxiliary tables
# needed in manyjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
#------------------------------------------------------------------------
SELECT @max_row DIV 2 INTO @SELECT MAX(f_int1), MIN(f_int2) INTO @my_max1,@my_min2 FROM t1;
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 DEFAULT 0,
f_int2 INTEGER DEFAULT 0,
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 INTOjava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 44
create_command VARBINARY(5000),
file_list VARBINARY(10000),
(java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
) ENGINE = MEMORY;
DROP TABLE IF EXISTS t0_aux;
CREATE TABLE t0_aux ( f_int1 INTEGER DEFAULT 0,
f_int2 INTEGER )'java.lang.StringIndexOutOfBoundsException: Range [38, 36) out of bounds for length 54
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
#----WHEREf_int1 BETWEEN @max_row_div2 -1AND @max_row_div2 +1
#========================================================================
# 1. Partition management commands on HASH partitioned table
# column ORDERBY
#========================================================================
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 1000AND9999;
SELECT IF(9999 - 1000 + 1 > @max_row
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=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
t1.MYD
t1.MYI
t1.frm
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = ' java.lang.StringIndexOutOfBoundsException: Range [30, 7) out of bounds for length 30
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 java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 30
# check read all success: 1
# check read row by row success: 1
#------------------------------------------------------------------------
# 1.1 Increase number of PARTITIONS
#------------------------------------------------------------------------
# 1.1.1 ADD f_int1java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
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
ALTERTABLE PARTITION YEAR(_date);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f_date` date DEFAULT NULL,
`f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
t1#P#p0.MYD
t1#P#p0.MYI
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10 ##per##;
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 readall 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=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ciOpMsg_type
PARTITION BY HASH (dayofyear(`f_date`))
t1#P#p0.MYD
t1#P#p0.MYI
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: test.analyze statusEngine-ndependent statistics collected
# 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=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
t1#P#p0.MYD
t1#P#p0.MYI
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 .analyze statusOK 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 CHECK TABLE t1 EXTENDEDTABLEt1EXTENDED;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f_date` date DEFAULT NULL,
`f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYITable
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part7.MYD
t1#P#part7.MYI
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
# 116Add partitions,name clash --> 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=MyISAM DEFAULT CHARSET=java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 27
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
t1#P#part7.MYI
Table Checksum
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=MyISAM DEFAULT java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 20
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM,
PARTITION `p4` ENGINE = MyISAM,
PARTITION `p5` ENGINE = MyISAM,
PARTITION `p6` ENGINE = MyISAM,
PARTITION `p7` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
t1#P#p5.MYD
t1#P#p5.MYI
t1#P#p6.MYD
t1#PMIZEt1;
t1#P#p7.MYD
t1#P#p7.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
t1#P#part7.MYI
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
#checkread :java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
# check read row by row success: 1
#------------------------------------------------------------------------
# 1.2 Decrease number of PARTITIONS
#-----------------------------------tjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
# 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; ERROR42000: 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 REPAIR TABLEt1 java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
`f_date` date DEFAULT NULL,
`f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7`OpMsg_type Msg_text
PARTITION `part2` ENGINE = MyISAM,
PARTITION `p4` ENGINE = MyISAM,
PARTITION `p5` ENGINE = MyISAM,
PARTITION `p6` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
t1#P#p5.MYD
t1#P#p5.MYI
t1#P#p6.MYD
t1#P#p6.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD. java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 24
t1#P#part7.MYI
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 layoutsuccess: 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=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 12
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM,
PARTITION `p4` ENGINE = MyISAM,
PARTITION `p5` ENGINE
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
t1#P#p5.MYD
t1#P#p5.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
t1#P#part7.MYI
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id select_type table partitions type possible_keysjava.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 28 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 checklayout success:1
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f_date` date DEFAULT NULL,
`f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
``=MyISAM
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM,
PARTITION `p4` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
t1#P#part7.MYI
t1.frm
t1.par
PARTITIONSSELECTCOUNT( WHERE = 1000-210'java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
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
# java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
# 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` datef_int1 DEFAULT 0,
`f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
t1#P#part7.MYI
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 f_int2 java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 25
# 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=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part7.MYD
t1#P#part7.MYI
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 UsingVARCHAR()
# 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=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
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
# java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`_ate DEFAULT NULL,
`f_varchar` varchar(30) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY HASH (year(`f_date`))
(PARTITION `p0` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02PARTITION part_1 VALUES LESS THAN ()
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
# SUBPARTITION subpart11SUBPARTITIONsubpart12,
# 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 insteadpart_2VALUESTHAN()
# 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=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
t1.MYD
t1.MYI
t1.frm
EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10';
id select_type partitions 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 HY000PARTITION part_3 VALUES LESS THAN (10)
DROP TABLE t1;
#========================================================================
# 2. Partition management commands on KEY partitioned table
#========================================================================
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
f_int1 INTEGER DEFAULT S java.lang.StringIndexOutOfBoundsException: Range [49, 47) out of bounds for length 49
f_int2 INTEGER DEFAULT 0,
f_char1 CHAR(20),
f_char2 CHAR(20),
f_charbig VARCHAR(1000)
);
INSERT INTO t1(f_int1,f_int2,PARTITIONpart_4 VALUES LESS 2147483646)
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 0,
`SUBPARTITION,java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 50
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
MyISAM CHARSET=COLLATE=utf8mb4_uca1400_ai_ci
t1.MYD
t1.MYI
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 f_int2f_char1,_har2f_charbig t0_template 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 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT OpOp Msg_text
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY (`f_int1`)
t1#P#p0.MYD
t1#P#p0.MYI
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT test analyze error Wrongpartition name or partition list
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 partitionINSERT INTO t1(f_int1,f_int2,f_char1,f_char2,f_charbig)
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` (
`ELECT ,f_int2,,f_char2,_charbig FROM t0_template
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITIONWHERE f_int1 BETWEEN max_row_div2AND @ax_row;
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part7.MYD
t1#P#part7.MYI
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 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbigjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY (`f_int1`)
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
I
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
#t1 CREATE TABLE `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 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
` char(20) ) DEFAULT ,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY (`f_int1`)
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM,
`` MyISAM,
PARTITION `p5` ENGINE = MyISAM,
PARTITION `p6` ENGINE = MyISAM,
PARTITION `p7` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
t1#P#p5.MYD
t1#P#p5.MYI
t1#P#p6.MYD
t1Pp6.MYI
t1#P#p7.MYD
t1#P#p7.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
t1#P#part7.MYI
t1.frm
t1.par
EXPLAIN PARTITIONS SELECT COUNT(*) f_char2`char)DEFAULT ,
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 ) java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 69
ALTER TABLE t1 DROP PARTITION part1; ERROR HY000: DROP PARTITION can only be used on RANGE/LIST partitions
# 2.2java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 30
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f_int1` int(11) DEFAULT 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`SUBPARTITION (f_int1`)
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY (`f_int1`)
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM,
PARTITION `` = ,
PARTITION `p5` ENGINE = MyISAM,
PARTITION `p6` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
t1#P#p5.MYD
t1#P#p5.MYI
t1#P#p6.MYD
t1#P#p6.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1Pp.MYD
t1#P#part7.MYI
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 SUBPARTITION`ubpart12` = )java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
# 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 `PARTITION`part_2`VALUES LESS THAN (5)
`f_int1` int(11) DEFAULT 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY (`ubpart21`ENGINE =java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM,
PARTITION `p4` ENGINE = MyISAM,
PARTITION `p5` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
java.lang.StringIndexOutOfBoundsException: Range [15, 16) out of bounds for length 11
t1#P#p5.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#P#part7.MYD
t1#P#part7.MYI
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` (
(SUBPARTITION subpart31`ENGINE MyISAM,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY (`f_int1`)
P p0` java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM,
PARTITION `p4` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#p4.MYD
t1#P#p4.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#P#part2.MYI
t1#SUBPARTITION`ubpart41`ENGINE MyISAM,
t1#P#part7.MYI
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 subpart42 =MyISAM))
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`f_int1` int(11) DEFAULT 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM,
PARTITION `part2` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part2.MYD
t1#p.YI
t1#P#part7.MYD
t1#P#part7.MYI
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###.MYD
# check read all success: 1
# check read row by row success: 1
ALTER TABLE t1 COALESCE PARTITION 1;
SHOW#java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 28
Table Create Table
t1 CREATE TABLE `t1` (
`f_int1` int(11) DEFAULT 0,
` int11)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
(f_int1`
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM,
PARTITION `part7` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#part1.MYD
t1#P#part1.MYI
t1#P#part7.MYD
t1#P#part7.MYIMYD
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 t1 ALL NULLNULL NULL NULL Using
# 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 #.MYD
t1 CREATE TABLE `t1` (
`f_int1` int(11) DEFAULT 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
PARTITION BY KEY (`f_int1`)
(PARTITION `p0` ENGINE = MyISAM,
PARTITION `part1` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
t1#P#t1##MYI
t1#P#part1.MYI
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 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) MYI
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM##part_4#SPP#subpart41.MYD
PARTITION BY KEY (`f_int1`)
(PARTITION `p0` ENGINE = MyISAM)
t1#P#p0.MYD
t1#P#p0.MYI
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
..5COALESCE lastpartition -- 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 0,
`f_int2` int(11) DEFAULT 0,
`f_char1` char(20) DEFAULT NULL,
`f_char2` char(20) DEFAULT NULL,
`f_charbig` varchar(1000) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
t1.MYD
t1.MYI
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 java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 6
# 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 java.lang.StringIndexOutOfBoundsException: Range [0, 54) out of bounds for length 37
DROP TABLE t1;
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;
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.18 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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