403 lines
17 KiB
Plaintext
403 lines
17 KiB
Plaintext
##############
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### basic mixture tests of INSTANT/INPLACE/COPY DDL
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##############
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# CREATE TABLE
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#######
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CREATE TABLE t1(
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id INT NOT NULL, col_to_drop INT,
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c1 INT DEFAULT 1, c2 VARCHAR(70),
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col_to_extend VARCHAR(70),
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c3 INT NOT NULL, c4 INT NULL,
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chk_col INT, k1_col INT, k2_col INT,
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UNIQUE KEY k1(k1_col),
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KEY k2(k2_col),
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KEY vis_key(c1) VISIBLE,
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KEY inv_key(c2) INVISIBLE,
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CONSTRAINT old_chk1 CHECK(chk_col < 100),
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CONSTRAINT old_chk2 CHECK(chk_col > 10),
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PRIMARY KEY(col_to_drop)
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) ENGINE=XENGINE;
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INSERT INTO t1 VALUES(1, 1, 2, 'aa', 'abc', 2, 2, 20, 2, 1);
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INSERT INTO t1 VALUES(2, 2, 4, 'bb', 'cde', 4, 4, 40, 4, 1);
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#######
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# INSTANT DDL
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#######
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ALTER TABLE t1
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ADD COLUMN (app_col TEXT, app_col1 INT),
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ALTER c1 DROP DEFAULT,
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ALTER c2 SET DEFAULT 'aaaa',
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RENAME TO tt,
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ALGORITHM = INSTANT;
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SHOW CREATE TABLE tt;
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Table Create Table
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tt CREATE TABLE `tt` (
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`id` int(11) NOT NULL,
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`col_to_drop` int(11) NOT NULL,
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`c1` int(11),
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`c2` varchar(70) COLLATE utf8mb4_general_ci DEFAULT 'aaaa',
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`col_to_extend` varchar(70) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` int(11) NOT NULL,
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`c4` int(11) DEFAULT NULL,
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`chk_col` int(11) DEFAULT NULL,
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`k1_col` int(11) DEFAULT NULL,
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`k2_col` int(11) DEFAULT NULL,
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`app_col` text COLLATE utf8mb4_general_ci,
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`app_col1` int(11) DEFAULT NULL,
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PRIMARY KEY (`col_to_drop`),
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UNIQUE KEY `k1` (`k1_col`),
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KEY `k2` (`k2_col`),
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KEY `vis_key` (`c1`),
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KEY `inv_key` (`c2`) /*!80000 INVISIBLE */,
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CONSTRAINT `old_chk1` CHECK ((`chk_col` < 100)),
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CONSTRAINT `old_chk2` CHECK ((`chk_col` > 10))
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of subtables should be kept same after INSTANT DDL]
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#######
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# Inplace without rebuild
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#######
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ALTER TABLE tt
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ALTER INDEX vis_key INVISIBLE,
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ALTER INDEX inv_key VISIBLE,
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ALGORITHM = INPLACE;
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ALTER TABLE tt
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DROP KEY k1,
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DROP KEY k2,
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ADD INDEX key1(c4) COMMENT 'secondary key1',
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ADD UNIQUE INDEX key2(c3) COMMENT 'unique secondary key2',
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MODIFY COLUMN col_to_extend VARCHAR(100),
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RENAME COLUMN col_to_drop to col_to_drop_later,
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RENAME INDEX vis_key TO iv_key,
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RENAME INDEX inv_key TO v_key,
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RENAME TO t2,
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ALGORITHM = INPLACE;
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SHOW CREATE TABLE t2;
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Table Create Table
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t2 CREATE TABLE `t2` (
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`id` int(11) NOT NULL,
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`col_to_drop_later` int(11) NOT NULL,
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`c1` int(11),
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`c2` varchar(70) COLLATE utf8mb4_general_ci DEFAULT 'aaaa',
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`col_to_extend` varchar(100) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` int(11) NOT NULL,
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`c4` int(11) DEFAULT NULL,
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`chk_col` int(11) DEFAULT NULL,
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`k1_col` int(11) DEFAULT NULL,
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`k2_col` int(11) DEFAULT NULL,
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`app_col` text COLLATE utf8mb4_general_ci,
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`app_col1` int(11) DEFAULT NULL,
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PRIMARY KEY (`col_to_drop_later`),
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UNIQUE KEY `key2` (`c3`) COMMENT 'unique secondary key2',
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KEY `iv_key` (`c1`) /*!80000 INVISIBLE */,
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KEY `v_key` (`c2`),
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KEY `key1` (`c4`) COMMENT 'secondary key1',
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CONSTRAINT `old_chk1` CHECK ((`chk_col` < 100)),
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CONSTRAINT `old_chk2` CHECK ((`chk_col` > 10))
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of non-dropped subtables should be kept same after INPLACE DDL without rebuild]
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#######
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# Inplace DDL with rebuild, aka. online copy ddl
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#######
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ALTER TABLE t2
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DROP PRIMARY KEY,
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ADD PRIMARY KEY(id),
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DROP COLUMN col_to_drop_later,
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ADD COLUMN email VARCHAR(32) AFTER c2,
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MODIFY COLUMN c3 INT AFTER c4,
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RENAME TO tt,
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ALGORITHM = INPLACE;
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SHOW CREATE TABLE tt;
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Table Create Table
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tt CREATE TABLE `tt` (
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`id` int(11) NOT NULL,
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`c1` int(11),
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`c2` varchar(70) COLLATE utf8mb4_general_ci DEFAULT 'aaaa',
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`email` varchar(32) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`col_to_extend` varchar(100) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c4` int(11) DEFAULT NULL,
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`c3` int(11) DEFAULT NULL,
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`chk_col` int(11) DEFAULT NULL,
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`k1_col` int(11) DEFAULT NULL,
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`k2_col` int(11) DEFAULT NULL,
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`app_col` text COLLATE utf8mb4_general_ci,
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`app_col1` int(11) DEFAULT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `key2` (`c3`) COMMENT 'unique secondary key2',
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KEY `iv_key` (`c1`) /*!80000 INVISIBLE */,
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KEY `v_key` (`c2`),
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KEY `key1` (`c4`) COMMENT 'secondary key1',
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CONSTRAINT `old_chk1` CHECK ((`chk_col` < 100)),
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CONSTRAINT `old_chk2` CHECK ((`chk_col` > 10))
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of non-dropped subtables should be changed after INPLACE DDL with rebuild]
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#######
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# (offline) COPY DDL
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#######
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ALTER TABLE tt ALTER INDEX iv_key VISIBLE, ALTER INDEX v_key INVISIBLE, ALGORITHM = INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE tt DROP CHECK old_chk2, ADD CONSTRAINT new_chk CHECK(chk_col > 1), ALGORITHM = INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=COPY.
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ALTER TABLE tt DROP CHECK old_chk2, ADD CONSTRAINT new_chk CHECK(chk_col > 1), ALGORITHM = INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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ALTER TABLE tt DROP PRIMARY KEY, ALGORITHM=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: With INPLACE DDL, XEngine only allows that DROP PRIMARY KEY is combined with ADD PRIMARY KEY. Try ALGORITHM=COPY.
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ALTER TABLE tt COMMENT "comment1 on tt", ALGORITHM=INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE tt COMMENT "comment1 on tt", ALGORITHM=INPLACE;
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ALTER TABLE tt COMMENT "comment1 on tt", KEY_BLOCK_SIZE=1000, ALGORITHM=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: XEngineDDL: only supports to change comment of table. Try ALGORITHM=COPY.
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ALTER TABLE tt CHARACTER SET=latin1, ALGORITHM=INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: XEngineDDL: only supports to change comment of table. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE tt CHARACTER SET=latin1, ALGORITHM=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: XEngineDDL: only supports to change comment of table. Try ALGORITHM=COPY.
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ALTER TABLE tt MODIFY COLUMN col_to_extend VARCHAR(80), ALGORITHM=INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE tt MODIFY COLUMN col_to_extend VARCHAR(80), ALGORITHM=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
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ALTER TABLE tt
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DROP PRIMARY KEY,
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MODIFY COLUMN col_to_extend VARCHAR(80),
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DROP CHECK old_chk2,
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ADD CONSTRAINT new_chk CHECK(chk_col > 1),
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COMMENT 'comment2 on tt',
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CHARACTER SET latin1,
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LOCK=DEFAULT;
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SHOW CREATE TABLE tt;
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Table Create Table
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tt CREATE TABLE `tt` (
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`id` int(11) NOT NULL,
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`c1` int(11),
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`c2` varchar(70) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT 'aaaa',
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`email` varchar(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL,
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`col_to_extend` varchar(80) DEFAULT NULL,
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`c4` int(11) DEFAULT NULL,
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`c3` int(11) DEFAULT NULL,
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`chk_col` int(11) DEFAULT NULL,
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`k1_col` int(11) DEFAULT NULL,
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`k2_col` int(11) DEFAULT NULL,
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`app_col` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci,
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`app_col1` int(11) DEFAULT NULL,
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UNIQUE KEY `key2` (`c3`) COMMENT 'unique secondary key2',
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KEY `iv_key` (`c1`) /*!80000 INVISIBLE */,
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KEY `v_key` (`c2`),
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KEY `key1` (`c4`) COMMENT 'secondary key1',
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CONSTRAINT `new_chk` CHECK ((`chk_col` > 1)),
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CONSTRAINT `old_chk1` CHECK ((`chk_col` < 100))
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) ENGINE=XENGINE DEFAULT CHARSET=latin1 COMMENT='comment2 on tt'
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include/assert.inc [id of non-dropped subtables should be changed after (offline) COPY DDL]
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SELECT * FROM tt;
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id c1 c2 email col_to_extend c4 c3 chk_col k1_col k2_col app_col app_col1
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1 2 aa NULL abc 2 2 20 2 1 NULL NULL
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2 4 bb NULL cde 4 4 40 4 1 NULL NULL
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DROP TABLE tt;
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########################################################################
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case 1 INSTANT DDL + INPLACE DDL
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########################################################################
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CREATE TABLE t1(id INT PRIMARY KEY, c1 INT DEFAULT 1, c2 CHAR(10), KEY sk1(c2(6))) ENGINE=XENGINE;
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INSERT INTO t1 VALUES(1, 1, 'aaaa'), (2, 2, 'bbbb');
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ALTER TABLE t1 ADD COLUMN c3 VARCHAR(30), ALGORITHM=INSTANT;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c1` int(11) DEFAULT '1',
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`c2` char(10) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` varchar(30) COLLATE utf8mb4_general_ci DEFAULT NULL,
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PRIMARY KEY (`id`),
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KEY `sk1` (`c2`(6))
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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ALTER TABLE t1 ADD COLUMN c4 FLOAT, ADD UNIQUE KEY uk(c1), ADD KEY sk(c3), DROP KEY sk1, ALGORITHM=INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE t1 ADD COLUMN c4 FLOAT, ADD UNIQUE KEY uk(c1), ADD KEY sk(c3), DROP KEY sk1, ALGORITHM=INPLACE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c1` int(11) DEFAULT '1',
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`c2` char(10) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` varchar(30) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c4` float DEFAULT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `uk` (`c1`),
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KEY `sk` (`c3`)
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of primary key subtables should be changed after INPLACE DDL with rebuild]
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INSERT INTO t1(id, c1, c3) VALUES(3, 3, 'cccc');
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INSERT INTO t1(id, c3) VALUES(4, 'dddd');
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ERROR 23000: Duplicate entry '1' for key 'uk'
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ALTER TABLE t1 ADD COLUMN chk_col VARCHAR(30), DROP KEY sk;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c1` int(11) DEFAULT '1',
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`c2` char(10) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` varchar(30) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c4` float DEFAULT NULL,
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`chk_col` varchar(30) COLLATE utf8mb4_general_ci DEFAULT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `uk` (`c1`)
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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SELECT * FROM t1;
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id c1 c2 c3 c4 chk_col
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1 1 aaaa NULL NULL NULL
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2 2 bbbb NULL NULL NULL
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3 3 NULL cccc NULL NULL
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DROP TABLE t1;
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########################################################################
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case 2 INSTANT DDL + INPLACE REBUILD DDL
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########################################################################
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CREATE TABLE t1(id INT PRIMARY KEY, c1 INT DEFAULT 1, c2 CHAR(10), KEY sk1(c2(6))) ENGINE=XENGINE;
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INSERT INTO t1 VALUES(1, 1, 'aaaa'), (2, 2, 'bbbb');
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ALTER TABLE t1 ADD COLUMN c3 VARCHAR(30), ALGORITHM=INSTANT;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c1` int(11) DEFAULT '1',
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`c2` char(10) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` varchar(30) COLLATE utf8mb4_general_ci DEFAULT NULL,
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PRIMARY KEY (`id`),
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KEY `sk1` (`c2`(6))
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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ALTER TABLE t1 ADD COLUMN c4 FLOAT, DROP COLUMN c1, ALGORITHM=INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE t1 ADD COLUMN c4 FLOAT, DROP COLUMN c1, ALGORITHM=INPLACE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c2` char(10) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` varchar(30) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c4` float DEFAULT NULL,
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PRIMARY KEY (`id`),
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KEY `sk1` (`c2`(6))
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of primary key subtables should be changed after INPLACE DDL with rebuild]
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SELECT * FROM t1;
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id c2 c3 c4
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1 aaaa NULL NULL
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2 bbbb NULL NULL
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DROP TABLE t1;
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########################################################################
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case 3 INPLACE DDL + INPLACE REBUILD DDL
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########################################################################
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CREATE TABLE t1(id INT PRIMARY KEY, c1 INT DEFAULT 1, c2 CHAR(10), KEY sk1(c2(6))) ENGINE=XENGINE;
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INSERT INTO t1 VALUES(1, 1, 'aaaa'), (2, 2, 'bbbb');
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ALTER TABLE t1 DROP COLUMN c2, ADD UNIQUE KEY uk(c1), ALGORITHM=INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported for this operation. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE t1 DROP COLUMN c2, ADD UNIQUE KEY uk(c1), ALGORITHM=INPLACE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c1` int(11) DEFAULT '1',
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PRIMARY KEY (`id`),
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UNIQUE KEY `uk` (`c1`)
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of primary key subtables should be changed after INPLACE DDL with rebuild]
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INSERT INTO t1 VALUES(3, 2);
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ERROR 23000: Duplicate entry '2' for key 'uk'
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INSERT INTO t1 VALUES(3, 3);
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SELECT * FROM t1;
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id c1
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1 1
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2 2
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3 3
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DROP TABLE t1;
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########################################################################
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case 4 INSTANT DDL + INPLACE DDL + INPLACE REBUILD DDL
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########################################################################
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CREATE TABLE t1(id INT PRIMARY KEY, c1 INT DEFAULT 1, c2 CHAR(10), KEY sk1(c2(6))) ENGINE=XENGINE;
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INSERT INTO t1 VALUES(1, 1, 'aaaa'), (2, 2, 'bbbb');
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ALTER TABLE t1 ADD COLUMN c3 FLOAT, ADD UNIQUE KEY uk(c1), DROP COLUMN c2, ALGORITHM=INPLACE;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c1` int(11) DEFAULT '1',
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`c3` float DEFAULT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `uk` (`c1`)
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of primary key subtables should be changed after INPLACE DDL with rebuild]
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INSERT INTO t1 VALUES(3, 2, 1.0);
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ERROR 23000: Duplicate entry '2' for key 'uk'
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INSERT INTO t1 VALUES(3, 3, 1.0);
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SELECT * FROM t1;
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id c1 c3
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1 1 NULL
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2 2 NULL
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3 3 1
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DROP TABLE t1;
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########################################################################
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case 5 INSTANT DDL + (offlinie) COPY DDL
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########################################################################
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CREATE TABLE t1(id INT PRIMARY KEY, c1 INT DEFAULT 1, c2 CHAR(10), KEY sk1(c2(6))) ENGINE=XENGINE;
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INSERT INTO t1 VALUES(1, 1, 'aaaa'), (2, 2, 'bbbb');
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ALTER TABLE t1 ADD COLUMN c3 FLOAT, MODIFY COLUMN c2 VARCHAR (100), ALGORITHM=INSTANT;
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ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY/INPLACE.
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ALTER TABLE t1 ADD COLUMN c3 FLOAT, MODIFY COLUMN c2 VARCHAR (100), ALGORITHM=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
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ALTER TABLE t1 ADD COLUMN c3 FLOAT, MODIFY COLUMN c2 VARCHAR (100);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`id` int(11) NOT NULL,
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`c1` int(11) DEFAULT '1',
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`c2` varchar(100) COLLATE utf8mb4_general_ci DEFAULT NULL,
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`c3` float DEFAULT NULL,
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PRIMARY KEY (`id`),
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KEY `sk1` (`c2`(6))
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) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
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include/assert.inc [id of primary key subtables should be changed after INPLACE DDL with rebuild]
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SELECT * FROM t1;
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id c1 c2 c3
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1 1 aaaa NULL
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2 2 bbbb NULL
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DROP TABLE t1;
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########################################################################
|
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case 6 INPLACE DDL + (offline) COPY DDL
|
|
########################################################################
|
|
CREATE TABLE t1(id INT PRIMARY KEY, c1 INT DEFAULT 1, c2 CHAR(10), KEY sk1(c2(6))) ENGINE=XENGINE;
|
|
INSERT INTO t1 VALUES(1, 1, 'aaaa'), (2, 2, 'bbbb');
|
|
ALTER TABLE t1 DROP COLUMN c2, MODIFY COLUMN c1 ENUM('a', 'b', 'c'), ALGORITHM=INPLACE;
|
|
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
|
|
ALTER TABLE t1 DROP COLUMN c2, MODIFY COLUMN c1 ENUM('a', 'b', 'c');
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`id` int(11) NOT NULL,
|
|
`c1` enum('a','b','c') COLLATE utf8mb4_general_ci DEFAULT NULL,
|
|
PRIMARY KEY (`id`)
|
|
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
|
|
include/assert.inc [id of primary key subtables should be changed after INPLACE DDL with rebuild]
|
|
SELECT * FROM t1;
|
|
id c1
|
|
1 a
|
|
2 b
|
|
DROP TABLE t1;
|
|
########################################################################
|
|
case 7 INSTANT DDL + INPLACE DDL + (offline) COPY DDL
|
|
########################################################################
|
|
CREATE TABLE t1(id INT PRIMARY KEY, c1 INT DEFAULT 1, c2 CHAR(10), KEY sk1(c2(6))) ENGINE=XENGINE;
|
|
INSERT INTO t1 VALUES(1, 1, 'aaaa'), (2, 2, 'bbbb');
|
|
ALTER TABLE t1 ADD COLUMN c3 VARCHAR(30), DROP COLUMN c2, MODIFY COLUMN c1 ENUM('a', 'b', 'c'), ALGORITHM=INSTANT;
|
|
ERROR 0A000: ALGORITHM=INSTANT is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY/INPLACE.
|
|
ALTER TABLE t1 ADD COLUMN c3 VARCHAR(30), DROP COLUMN c2, MODIFY COLUMN c1 ENUM('a', 'b', 'c'), ALGORITHM=INPLACE;
|
|
ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Cannot change column type INPLACE. Try ALGORITHM=COPY.
|
|
ALTER TABLE t1 ADD COLUMN c3 VARCHAR(30), DROP COLUMN c2, MODIFY COLUMN c1 ENUM('a', 'b', 'c');
|
|
SHOW CREATE TABLE t1;
|
|
Table Create Table
|
|
t1 CREATE TABLE `t1` (
|
|
`id` int(11) NOT NULL,
|
|
`c1` enum('a','b','c') COLLATE utf8mb4_general_ci DEFAULT NULL,
|
|
`c3` varchar(30) COLLATE utf8mb4_general_ci DEFAULT NULL,
|
|
PRIMARY KEY (`id`)
|
|
) ENGINE=XENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci
|
|
include/assert.inc [id of primary key subtables should be changed after INPLACE DDL with rebuild]
|
|
SELECT * FROM t1;
|
|
id c1 c3
|
|
1 a NULL
|
|
2 b NULL
|
|
DROP TABLE t1;
|