374 lines
14 KiB
Plaintext
374 lines
14 KiB
Plaintext
show variables like 'xengine_disable_online_ddl';
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Variable_name Value
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xengine_disable_online_ddl 0
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set @xengine_disable_online_ddl_saved = @@xengine_disable_online_ddl;
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set xengine_disable_online_ddl = 1;
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ERROR HY000: Variable 'xengine_disable_online_ddl' is a GLOBAL variable and should be set with SET GLOBAL
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set global xengine_disable_online_ddl = 1;
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##############
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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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#######
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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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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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`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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#######
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# Inplace DDL with rebuild, aka. online copy ddl
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#######
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ALTER TABLE tt
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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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ALGORITHM = INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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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_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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SELECT * FROM tt;
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id col_to_drop_later c1 c2 col_to_extend c3 c4 chk_col k1_col k2_col app_col app_col1
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1 1 2 aa abc 2 2 20 2 1 NULL NULL
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2 2 4 bb cde 4 4 40 4 1 NULL NULL
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DROP TABLE tt;
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set global xengine_disable_online_ddl = 2;
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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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#######
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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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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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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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ALGORITHM = INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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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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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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ALGORITHM = COPY;
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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_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`),
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KEY `v_key` (`c2`) /*!80000 INVISIBLE */,
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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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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=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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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=COPY;
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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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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=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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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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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=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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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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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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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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ERROR 0A000: ALGORITHM=INPLACE is not supported for this operation. Try ALGORITHM=COPY.
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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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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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DROP TABLE t1;
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set global xengine_disable_online_ddl = @xengine_disable_online_ddl_saved;
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show variables like 'xengine_disable_online_ddl';
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Variable_name Value
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xengine_disable_online_ddl 0
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