78 lines
2.0 KiB
Plaintext
78 lines
2.0 KiB
Plaintext
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# Save the initial number of concurrent sessions.
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--source include/count_sessions.inc
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CREATE TABLE t (c1 INT PRIMARY KEY, c2 INT NOT NULL, c3 INT) ENGINE=InnoDB;
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INSERT INTO t VALUES (1,2,3),(4,5,6),(7,8,9);
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--enable_info
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# This one will be a no-op. Instead of implicitly refusing to modify the
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# PRIMARY KEY column c1 from NOT NULL to NULL, we now get an error for this
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# operation with the patch for Bug#16545198.
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--error ER_PRIMARY_CANT_HAVE_NULL
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ALTER TABLE t CHANGE c1 c1 INT NULL FIRST, ALGORITHM=INPLACE;
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# NULL -> NOT NULL only allowed INPLACE if strict sql_mode is on.
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--disable_info
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--enable_info
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ALTER TABLE t MODIFY c3 INT NOT NULL, ALGORITHM=INPLACE;
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--disable_info
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--enable_info
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# Request some conflicting changes for a single column.
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--error ER_BAD_FIELD_ERROR
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ALTER TABLE t CHANGE c2 c2 INT, CHANGE c2 c2 INT NOT NULL;
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--error ER_BAD_FIELD_ERROR
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ALTER TABLE t MODIFY c2 INT, MODIFY c2 INT NOT NULL;
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--error ER_BAD_FIELD_ERROR
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ALTER TABLE t MODIFY c2 INT UNSIGNED, MODIFY c2 INT;
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--error ER_BAD_FIELD_ERROR
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ALTER TABLE t MODIFY c2 CHAR(1) NOT NULL, MODIFY c2 INT NOT NULL;
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# No-ops.
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ALTER TABLE t CHANGE c2 c2 INT NOT NULL;
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ALTER TABLE t MODIFY c2 INT NOT NULL;
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--disable_info
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connect (con1,localhost,root,,);
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connection con1;
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--error ER_BAD_NULL_ERROR
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UPDATE t SET c2=NULL;
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SELECT * FROM t;
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connection default;
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# This should change the column to NULL.
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ALTER TABLE t MODIFY c2 INT, ALGORITHM=INPLACE;
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connection con1;
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BEGIN;
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UPDATE t SET c2=NULL;
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SELECT * FROM t;
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ROLLBACK;
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SELECT * FROM t;
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disconnect con1;
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connection default;
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# This should be no-op.
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ALTER TABLE t MODIFY c2 INT NULL, ALGORITHM=INPLACE;
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--replace_column 1 # 5 #
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SELECT * FROM INFORMATION_SCHEMA.INNODB_TABLES
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WHERE NAME='test/t';
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DROP TABLE t;
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CREATE TABLE t1(c1 INT);
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ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1(c1);
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ALTER TABLE t1 CHANGE c1 c1 INT SIGNED NOT NULL,ADD KEY(c1);
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DROP TABLE t1;
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# Check that all connections opened by test cases in this file are really
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# gone so execution of other tests won't be affected by their presence.
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--source include/wait_until_count_sessions.inc
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