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41 lines
1.2 KiB
Text
41 lines
1.2 KiB
Text
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# ===== csv_alter_table.1 =====
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV;
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ALTER TABLE t1 ADD COLUMN b CHAR(5) NOT NULL;
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DESC t1;
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Field Type Null Key Default Extra
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a int(11) NO NULL
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b char(5) NO NULL
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ALTER TABLE t1 DROP COLUMN b;
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DESC t1;
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Field Type Null Key Default Extra
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a int(11) NO NULL
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ALTER TABLE t1 MODIFY a BIGINT NOT NULL;
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DESC t1;
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Field Type Null Key Default Extra
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a bigint(20) NO NULL
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ALTER TABLE t1 CHANGE a a INT NOT NULL;
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DESC t1;
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Field Type Null Key Default Extra
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a int(11) NO NULL
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DROP TABLE t1;
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# ===== csv_alter_table.2 =====
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a int NOT NULL) ENGINE = CSV;
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ALTER TABLE t1 ADD COLUMN b CHAR(5);
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ERROR 42000: The storage engine for the table doesn't support nullable columns
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DESC t1;
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Field Type Null Key Default Extra
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a int(11) NO NULL
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ALTER TABLE t1 MODIFY a BIGINT;
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ERROR 42000: The storage engine for the table doesn't support nullable columns
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DESC t1;
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Field Type Null Key Default Extra
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a int(11) NO NULL
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ALTER TABLE t1 CHANGE a a INT;
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ERROR 42000: The storage engine for the table doesn't support nullable columns
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DESC t1;
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Field Type Null Key Default Extra
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a int(11) NO NULL
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DROP TABLE t1;
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