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1cae1af6f9
* remove old 5.2+ InnoDB support for virtual columns
* enable corresponding parts of the innodb-5.7 sources
* copy corresponding test cases from 5.7
* copy detailed Alter_inplace_info::HA_ALTER_FLAGS flags from 5.7
- and more detailed detection of changes in fill_alter_inplace_info()
* more "innodb compatibility hooks" in sql_class.cc to
- create/destroy/reset a THD (used by background purge threads)
- find a prelocked table by name
- open a table (from a background purge thread)
* different from 5.7:
- new service thread "thd_destructor_proxy" to make sure all THDs are
destroyed at the correct point in time during the server shutdown
- proper opening/closing of tables for vcol evaluations in
+ FK checks (use already opened prelocked tables)
+ purge threads (open the table, MDLock it, add it to tdc, close
when not needed)
- cache open tables in vc_templ
- avoid unnecessary allocations, reuse table->record[0] and table->s->default_values
- not needed in 5.7, because it overcalculates:
+ tell the server to calculate vcols for an on-going inline ADD INDEX
+ calculate vcols for correct error messages
* update other engines (mroonga/tokudb) accordingly
140 lines
4.1 KiB
Text
140 lines
4.1 KiB
Text
#
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# Bug#21869656 UNDO LOG DOES NOT CONTAIN ENOUGH INFORMATION
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# ON INDEXED VIRTUAL COLUMNS
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#
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CREATE TABLE t1 (a INT, b INT,
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a1 INT GENERATED ALWAYS AS (a) VIRTUAL, INDEX(a1)
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) ENGINE=InnoDB;
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INSERT INTO t1 (a,b) VALUES(1,1);
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connect con1,localhost,root,,;
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CREATE TABLE t0 (a INT) ENGINE=InnoDB;
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BEGIN;
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SELECT * FROM t0;
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a
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connection default;
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UPDATE t1 SET a=0;
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ALTER TABLE t1 DROP COLUMN a1, ALGORITHM=INPLACE;
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ALTER TABLE t1 ADD COLUMN b1 INT GENERATED ALWAYS AS (b) VIRTUAL, ADD
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INDEX(b1),
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ALGORITHM=INPLACE;
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connection con1;
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COMMIT;
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UPDATE t1 SET a=1;
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connection default;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT b1 FROM t1;
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b1
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1
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ALTER TABLE t1
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ADD COLUMN a1 INT GENERATED ALWAYS AS (a) VIRTUAL,
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ADD COLUMN a2 INT GENERATED ALWAYS AS (a + b) VIRTUAL,
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ADD COLUMN a3 INT GENERATED ALWAYS AS (a - b) VIRTUAL,
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ADD COLUMN a4 INT GENERATED ALWAYS AS (a - b) VIRTUAL,
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ADD INDEX(a1), ADD INDEX(a2), ADD INDEX(a3), ALGORITHM=INPLACE;
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CREATE TABLE t2 (
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a BLOB,
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b BLOB,
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c BLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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h VARCHAR(10) DEFAULT NULL
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) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (REPEAT('g', 16000), REPEAT('x', 16000), DEFAULT, 'kk');
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INSERT INTO t2 VALUES (REPEAT('a', 16000), REPEAT('b', 16000), DEFAULT, 'mm');
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CREATE INDEX idx ON t2(c(100));
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INSERT INTO t1 (a, b) VALUES(1,1);
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connection con1;
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BEGIN;
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SELECT * FROM t0;
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a
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connection default;
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UPDATE t1 SET a=0;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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UPDATE t1 SET b=0;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 DROP COLUMN a3, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=2;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 DROP COLUMN a2, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET b=3;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 ADD COLUMN b2 INT GENERATED ALWAYS AS (b) VIRTUAL,
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ADD INDEX(b2), ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET b=9;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 ADD COLUMN b3 INT GENERATED ALWAYS AS (a) VIRTUAL,
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ADD INDEX(b3), ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET b=10;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t2 DROP COLUMN c;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t2 SET a = REPEAT('s', 6000) WHERE a like 'aaa%';
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affected rows: 1
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info: Rows matched: 1 Changed: 1 Warnings: 0
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ALTER TABLE t2 ADD COLUMN x1 BLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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ADD COLUMN x2 BLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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ADD INDEX(x1(100), x2(120)), ADD INDEX (x1(20));
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=5;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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UPDATE t2 SET a = REPEAT('m', 16000) WHERE a like 'sss%';
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affected rows: 1
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info: Rows matched: 1 Changed: 1 Warnings: 0
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ALTER TABLE t1 DROP COLUMN b2, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=6;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t2 DROP COLUMN x1, DROP COLUMN x2, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t2 SET a = REPEAT('x', 1000) WHERE a like 'mmm%';
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affected rows: 1
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info: Rows matched: 1 Changed: 1 Warnings: 0
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ALTER TABLE t1 DROP INDEX b3;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=100;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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connection con1;
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COMMIT;
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disconnect con1;
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connection default;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT b1 FROM t1;
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b1
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10
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10
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SELECT * FROM t1;
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a b b1 a1 a4 b3
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100 10 10 100 90 100
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100 10 10 100 90 100
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CHECK TABLE t2;
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Table Op Msg_type Msg_text
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test.t2 check status OK
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DROP TABLE t2, t1, t0;
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CREATE TABLE t1 (a VARCHAR(30), b INT, a2 VARCHAR(30) GENERATED ALWAYS AS (a) VIRTUAL);
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CREATE INDEX idx ON t1(a2(10), b, a2(20));
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ERROR 42S21: Duplicate column name 'a2'
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DROP TABLE t1;
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