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drop table if exists t1;
CREATE TABLE t1 (a INT, b INT, KEY ka(a), KEY kab(a,b)) ENGINE=RocksDB;
INSERT INTO t1 (a, b) VALUES (1, 5);
INSERT INTO t1 (a, b) VALUES (2, 6);
INSERT INTO t1 (a, b) VALUES (3, 7);
ALTER TABLE t1 ADD INDEX kb(b), ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
KEY `ka` (`a`),
KEY `kab` (`a`,`b`),
KEY `kb` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(kb) WHERE b > 5;
a b
2 6
3 7
SELECT * FROM t1 FORCE INDEX(kab) WHERE a > 2;
a b
3 7
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, KEY ka(a), KEY kab(a,b)) ENGINE=RocksDB;
INSERT INTO t1 (a, b) VALUES (1, 5);
INSERT INTO t1 (a, b) VALUES (2, 6);
INSERT INTO t1 (a, b) VALUES (3, 7);
ALTER TABLE t1 ADD INDEX kb(b), DROP INDEX ka, ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
KEY `kab` (`a`,`b`),
KEY `kb` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(kb) WHERE b > 5;
a b
2 6
3 7
SELECT * FROM t1 FORCE INDEX(kab) WHERE a > 2;
a b
3 7
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, KEY ka(a), KEY kab(a,b)) ENGINE=RocksDB;
INSERT INTO t1 (a, b) VALUES (1, 5);
INSERT INTO t1 (a, b) VALUES (2, 6);
INSERT INTO t1 (a, b) VALUES (3, 7);
ALTER TABLE t1 DROP INDEX ka, DROP INDEX kab, ALGORITHM=INPLACE;
ALTER TABLE t1 ADD INDEX kb(b), ADD INDEX kab(a,b), ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
KEY `kb` (`b`),
KEY `kab` (`a`,`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(kb) WHERE b > 5;
a b
2 6
3 7
SELECT * FROM t1 FORCE INDEX(kab) WHERE a > 2;
a b
3 7
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, KEY ka(a), KEY kab(a,b)) ENGINE=RocksDB;
INSERT INTO t1 (a, b) VALUES (1, 5);
INSERT INTO t1 (a, b) VALUES (2, 6);
INSERT INTO t1 (a, b) VALUES (3, 7);
ALTER TABLE t1 ADD INDEX kb(b), DROP INDEX ka, ADD INDEX kba(b,a), DROP INDEX kab, ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
KEY `kb` (`b`),
KEY `kba` (`b`,`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(kb) WHERE b > 5;
a b
2 6
3 7
SELECT * FROM t1 FORCE INDEX(kba) WHERE a > 2;
a b
3 7
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, KEY ka(a), KEY kab(a,b)) ENGINE=RocksDB;
ALTER TABLE t1 DROP INDEX ka, ADD INDEX ka(b), ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
KEY `kab` (`a`,`b`),
KEY `ka` (`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(ka) WHERE b > 5;
a b
SELECT * FROM t1 FORCE INDEX(kab) WHERE a > 2;
a b
DROP TABLE t1;
CREATE TABLE t1 (pk CHAR(8) PRIMARY KEY, a VARCHAR(11), b INT UNSIGNED) ENGINE=rocksdb charset utf8 collate utf8_bin;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` char(8) COLLATE utf8_bin NOT NULL,
`a` varchar(11) COLLATE utf8_bin DEFAULT NULL,
`b` int(10) unsigned DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
SHOW COLUMNS IN t1;
Field Type Null Key Default Extra
pk char(8) NO PRI NULL
a varchar(11) YES NULL
b int(10) unsigned YES NULL
INSERT INTO t1 VALUES ('aaa', '1111', 1);
INSERT INTO t1 VALUES ('bbb', '2222', 2);
INSERT INTO t1 VALUES ('ccc', '3333', 3);
ALTER TABLE t1 ADD INDEX kab(a,b), ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` char(8) COLLATE utf8_bin NOT NULL,
`a` varchar(11) COLLATE utf8_bin DEFAULT NULL,
`b` int(10) unsigned DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `kab` (`a`,`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(kab) WHERE a > '2' AND b < 3;
pk a b
bbb 2222 2
DROP TABLE t1;
CREATE TABLE t1 (pk CHAR(8) PRIMARY KEY, a VARCHAR(11), b INT UNSIGNED) ENGINE=rocksdb charset utf8 collate utf8_bin;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` char(8) COLLATE utf8_bin NOT NULL,
`a` varchar(11) COLLATE utf8_bin DEFAULT NULL,
`b` int(10) unsigned DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
SHOW COLUMNS IN t1;
Field Type Null Key Default Extra
pk char(8) NO PRI NULL
a varchar(11) YES NULL
b int(10) unsigned YES NULL
INSERT INTO t1 VALUES ('aaa', '1111', 1);
INSERT INTO t1 VALUES ('bbb', '2222', 2);
INSERT INTO t1 VALUES ('ccc', '3333', 3);
ALTER TABLE t1 ADD INDEX kab(a,b), ALGORITHM=INPLACE;
ALTER TABLE t1 ADD INDEX ka(a), DROP INDEX kab, ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` char(8) COLLATE utf8_bin NOT NULL,
`a` varchar(11) COLLATE utf8_bin DEFAULT NULL,
`b` int(10) unsigned DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `ka` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(ka) WHERE a > '2' AND b < 3;
pk a b
bbb 2222 2
DROP TABLE t1;
CREATE TABLE t1 (pk CHAR(8) PRIMARY KEY, a VARCHAR(11), b INT UNSIGNED) ENGINE=rocksdb charset utf8 collate utf8_bin;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` char(8) COLLATE utf8_bin NOT NULL,
`a` varchar(11) COLLATE utf8_bin DEFAULT NULL,
`b` int(10) unsigned DEFAULT NULL,
PRIMARY KEY (`pk`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
SHOW COLUMNS IN t1;
Field Type Null Key Default Extra
pk char(8) NO PRI NULL
a varchar(11) YES NULL
b int(10) unsigned YES NULL
INSERT INTO t1 VALUES ('aaa', '1111', 1);
INSERT INTO t1 VALUES ('bbb', '2222', 2);
INSERT INTO t1 VALUES ('ccc', '3333', 3);
ALTER TABLE t1 ADD INDEX kab(a,b), ADD INDEX ka(a), ADD INDEX kb(b), ALGORITHM=INPLACE;
ALTER TABLE t1 DROP INDEX ka, DROP INDEX kb, ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`pk` char(8) COLLATE utf8_bin NOT NULL,
`a` varchar(11) COLLATE utf8_bin DEFAULT NULL,
`b` int(10) unsigned DEFAULT NULL,
PRIMARY KEY (`pk`),
KEY `kab` (`a`,`b`)
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(kab) WHERE a > '2' AND b < 3;
pk a b
bbb 2222 2
DROP TABLE t1;
CREATE TABLE t1 (a INT, b INT, KEY ka(a), KEY kab(a,b)) ENGINE=RocksDB;
INSERT INTO t1 (a, b) VALUES (1, 5);
INSERT INTO t1 (a, b) VALUES (2, 6);
INSERT INTO t1 (a, b) VALUES (3, 7);
CREATE INDEX kb on t1 (b);
CREATE INDEX kba on t1 (b,a);
DROP INDEX ka on t1;
DROP INDEX kab on t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` int(11) DEFAULT NULL,
KEY `kb` (`b`),
KEY `kba` (`b`,`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(kb) WHERE b > 5;
a b
2 6
3 7
SELECT * FROM t1 FORCE INDEX(kba) WHERE a > 2;
a b
3 7
DROP TABLE t1;
CREATE TABLE t1 (i INT, j INT, k INT, PRIMARY KEY (i), KEY(j)) ENGINE = ROCKSDB PARTITION BY KEY(i) PARTITIONS 4;
ALTER TABLE t1 ADD INDEX kij(i,j), ALGORITHM=INPLACE;
DROP INDEX kij ON t1;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) NOT NULL,
`j` int(11) DEFAULT NULL,
`k` int(11) DEFAULT NULL,
PRIMARY KEY (`i`),
KEY `j` (`j`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
PARTITION BY KEY (`i`)
PARTITIONS 4
SELECT * FROM t1 ORDER BY i LIMIT 10;
i j k
1 1 1
2 2 2
3 3 3
4 4 4
5 5 5
6 6 6
7 7 7
8 8 8
9 9 9
10 10 10
SELECT COUNT(*) FROM t1;
COUNT(*)
100
DROP TABLE t1;
set @tmp_rocksdb_strict_collation_check= @@rocksdb_strict_collation_check;
set global rocksdb_strict_collation_check=1;
CREATE TABLE t1 (a INT, b TEXT);
# MariaDB no longer gives ER_UNSUPPORTED_COLLATION
ALTER TABLE t1 ADD KEY kb(b(10));
ALTER TABLE t1 ADD PRIMARY KEY(a);
DROP TABLE t1;
CREATE TABLE t1 (a INT, b TEXT collate utf8_general_ci);
# MariaDB no longer gives ER_UNSUPPORTED_COLLATION
ALTER TABLE t1 ADD KEY kb(b(10));
Warnings:
Warning 1815 Internal error: Indexed column test.t1.b uses a collation that does not allow index-only access in secondary key and has reduced disk space efficiency in primary key.
ALTER TABLE t1 ADD PRIMARY KEY(a);
DROP TABLE t1;
set global rocksdb_strict_collation_check= @tmp_rocksdb_strict_collation_check;
set global rocksdb_bulk_load=1;
# Establish connection con1 (user=root)
connect con1,localhost,root,,;
# Switch to connection con1
connection con1;
show global variables like 'rocksdb_bulk_load%';
Variable_name Value
rocksdb_bulk_load ON
rocksdb_bulk_load_allow_sk OFF
rocksdb_bulk_load_allow_unsorted OFF
rocksdb_bulk_load_size 1000
show session variables like 'rocksdb_bulk_load%';
Variable_name Value
rocksdb_bulk_load ON
rocksdb_bulk_load_allow_sk OFF
rocksdb_bulk_load_allow_unsorted OFF
rocksdb_bulk_load_size 1000
CREATE TABLE t1 (i INT, j INT, PRIMARY KEY (i)) ENGINE = ROCKSDB;
INSERT INTO t1 VALUES (1,1);
# Disconnecting on con1
disconnect con1;
# Establish connection con2 (user=root)
connect con2,localhost,root,,;
# Switch to connection con2
connection con2;
ALTER TABLE t1 ADD INDEX kj(j), ALGORITHM=INPLACE;
SELECT COUNT(*) FROM t1 FORCE INDEX(PRIMARY);
COUNT(*)
1
SELECT COUNT(*) FROM t1 FORCE INDEX(kj);
COUNT(*)
1
DROP TABLE t1;
disconnect con2;
# Establish connection con1 (user=root)
connect con1,localhost,root,,;
# Establish connection con2 (user=root)
connect con2,localhost,root,,;
# Switch to connection con1
connection con1;
CREATE TABLE t1 (i INT, j INT, PRIMARY KEY (i)) ENGINE = ROCKSDB;
set rocksdb_bulk_load=1;
INSERT INTO t1 VALUES (1,1);
# Switch to connection con2
connection con2;
SELECT COUNT(*) FROM t1 FORCE INDEX(PRIMARY);
COUNT(*)
0
ALTER TABLE t1 ADD INDEX kj(j), ALGORITHM=INPLACE;
SELECT COUNT(*) FROM t1 FORCE INDEX(PRIMARY);
COUNT(*)
1
SELECT COUNT(*) FROM t1 FORCE INDEX(kj);
COUNT(*)
1
set global rocksdb_bulk_load=0;
DROP TABLE t1;
connection default;
SET @prior_rocksdb_merge_combine_read_size= @@rocksdb_merge_combine_read_size;
SET @prior_rocksdb_strict_collation_check= @@rocksdb_strict_collation_check;
SET @prior_rocksdb_merge_buf_size = @@rocksdb_merge_buf_size;
SET global rocksdb_strict_collation_check = off;
SET session rocksdb_merge_combine_read_size = 566;
SET session rocksdb_merge_buf_size = 340;
show variables like 'rocksdb_bulk_load%';
Variable_name Value
rocksdb_bulk_load OFF
rocksdb_bulk_load_allow_sk OFF
rocksdb_bulk_load_allow_unsorted OFF
rocksdb_bulk_load_size 1000
CREATE TABLE t1 (a VARCHAR(80)) ENGINE=RocksDB;
INSERT INTO t1 (a) VALUES (REPEAT("a", 80));
INSERT INTO t1 (a) VALUES (REPEAT("a", 80));
INSERT INTO t1 (a) VALUES (REPEAT("a", 80));
INSERT INTO t1 (a) VALUES (REPEAT("a", 80));
ALTER TABLE t1 ADD INDEX ka(a), ALGORITHM=INPLACE;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(80) DEFAULT NULL,
KEY `ka` (`a`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
SELECT * FROM t1 FORCE INDEX(ka) WHERE a > "";
a
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
DROP TABLE t1;
SET session rocksdb_merge_buf_size = @prior_rocksdb_merge_buf_size;
SET session rocksdb_merge_combine_read_size = @prior_rocksdb_merge_combine_read_size;
SET global rocksdb_strict_collation_check = @prior_rocksdb_strict_collation_check;
CREATE TABLE t1 (i INT, j INT, PRIMARY KEY (i)) ENGINE = ROCKSDB;
set global rocksdb_force_flush_memtable_now=1;
ALTER TABLE t1 ADD INDEX kj(j), ALGORITHM=INPLACE;
larger
1
larger
1
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
larger
1
larger
1
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
select 1300 < 1300 * 1.5 as "same";
same
1
DROP TABLE t1;
CREATE TABLE t1 (
a INT PRIMARY KEY,
b INT,
c INT,
KEY kbc(b,c)) ENGINE = ROCKSDB;
INSERT INTO t1 (a,b,c) VALUES (1,1,1);
INSERT INTO t1 (a,b,c) VALUES (2,2,2);
INSERT INTO t1 (a,b,c) VALUES (3,3,3);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` int(11) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `kbc` (`b`,`c`)
) ENGINE=ROCKSDB DEFAULT CHARSET=latin1
ALTER TABLE t1 DROP INDEX kbc, ADD INDEX kbc(b,c), ALGORITHM=INPLACE;
ALTER TABLE t1 DROP INDEX kbc;
DROP TABLE t1;
CREATE TABLE t1 (
a INT PRIMARY KEY,
b varchar(10),
index kb(b(5))
) ENGINE = ROCKSDB charset utf8 collate utf8_bin;
INSERT INTO t1 (a,b) VALUES (1,'1111122222');
INSERT INTO t1 (a,b) VALUES (2,'2222233333');
INSERT INTO t1 (a,b) VALUES (3,'3333344444');
ALTER TABLE t1 DROP INDEX kb, ADD INDEX kb(b(8)), ALGORITHM=INPLACE;
SELECT * FROM t1 FORCE INDEX(kb);
a b
1 1111122222
2 2222233333
3 3333344444
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` varchar(10) COLLATE utf8_bin DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `kb` (`b`(8))
) ENGINE=ROCKSDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin
DROP TABLE t1;
SET @prior_rocksdb_table_stats_sampling_pct = @@rocksdb_table_stats_sampling_pct;
set global rocksdb_table_stats_sampling_pct = 100;
CREATE TABLE t1 (a INT, b INT, PRIMARY KEY ka(a)) ENGINE=RocksDB;
INSERT INTO t1 (a, b) VALUES (1, 10);
INSERT INTO t1 (a, b) VALUES (2, 10);
INSERT INTO t1 (a, b) VALUES (3, 20);
INSERT INTO t1 (a, b) VALUES (4, 20);
set global rocksdb_force_flush_memtable_now=1;
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status Engine-independent statistics collected
test.t1 analyze status OK
SHOW INDEX in t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 a A 4 NULL NULL LSMTREE
ALTER TABLE t1 ADD INDEX kb(b), ALGORITHM=INPLACE;
SHOW INDEX in t1;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
t1 0 PRIMARY 1 a A 4 NULL NULL LSMTREE
t1 1 kb 1 b A 2 NULL NULL YES LSMTREE
DROP TABLE t1;
SET global rocksdb_table_stats_sampling_pct = @prior_rocksdb_table_stats_sampling_pct;
|
