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6e90c195ed
NULL values when there is no DEFAULT - Merged the alter_non_null test case to alter_not_null test case. Renamed the alter_non_null_debug to alter_not_null_debug test case
114 lines
2.9 KiB
Text
114 lines
2.9 KiB
Text
CREATE TABLE t1(f1 INT)ENGINE=INNODB;
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INSERT INTO t1 VALUES(NULL);
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SELECT * FROM t1;
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f1
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NULL
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ALTER TABLE t1 CHANGE f1 f1 INT NOT NULL;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 1
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Warnings:
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Warning 1265 Data truncated for column 'f1' at row 1
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SELECT * FROM t1;
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f1
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0
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DROP TABLE t1;
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CREATE TABLE t1(f1 CHAR(10))ENGINE=INNODB;
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INSERT INTO t1 VALUES(NULL);
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SELECT * FROM t1;
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f1
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NULL
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ALTER TABLE t1 CHANGE f1 f1 CHAR(10) NOT NULL;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 1
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Warnings:
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Warning 1265 Data truncated for column 'f1' at row 1
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SELECT * FROM t1;
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f1
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DROP TABLE t1;
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CREATE TABLE t1(f1 VARCHAR(10))ENGINE=INNODB;
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INSERT INTO t1 VALUES(NULL);
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SELECT * FROM t1;
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f1
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NULL
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ALTER TABLE t1 CHANGE f1 f1 VARCHAR(20) NOT NULL;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 1
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Warnings:
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Warning 1265 Data truncated for column 'f1' at row 1
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SELECT * FROM t1;
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f1
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DROP TABLE t1;
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CREATE TABLE t1(f1 TEXT)ENGINE=INNODB;
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INSERT INTO t1 VALUES(NULL);
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SELECT * FROM t1;
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f1
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NULL
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ALTER TABLE t1 CHANGE f1 f1 TEXT NOT NULL DEFAULT 'abc';
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 1
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Warnings:
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Warning 1265 Data truncated for column 'f1' at row 1
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SELECT * FROM t1;
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f1
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DROP TABLE t1;
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CREATE TABLE t1(f1 INT NOT NULL, f2 INT NOT NULL, f3 INT)ENGINE=INNODB;
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INSERT INTO t1 VALUES(2, 2, NULL);
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SELECT * FROM t1;
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f1 f2 f3
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2 2 NULL
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ALTER TABLE t1 CHANGE f3 f3 INT NOT NULL DEFAULT (f1 + f2);
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 1
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Warnings:
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Warning 1265 Data truncated for column 'f3' at row 1
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SELECT * FROM t1;
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f1 f2 f3
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2 2 0
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DROP TABLE t1;
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CREATE TABLE t1(f1 INT NOT NULL DEFAULT 0, b TINYINT)ENGINE=InnoDB;
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INSERT INTO t1 VALUES(10, NULL);
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SELECT * FROM t1;
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f1 b
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10 NULL
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ALTER TABLE t1 CHANGE b b TINYINT NOT NULL DEFAULT if(unix_timestamp()>1,1000,0);
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 1
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Warnings:
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Warning 1265 Data truncated for column 'b' at row 1
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SELECT * FROM t1;
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f1 b
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10 0
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DROP TABLE t1;
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CREATE TABLE t1(a INT, v INT AS (a), c INT, d INT NOT NULL, e INT) ENGINE=InnoDB;
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ALTER TABLE t1 DROP COLUMN c, CHANGE COLUMN e e INT NOT NULL;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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DROP TABLE t1;
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CREATE TABLE t1 (a INT, v INT AS (a), d INT NOT NULL, e INT) ENGINE=InnoDB;
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ALTER TABLE t1 FORCE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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DROP TABLE t1;
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CREATE TABLE t1(c1 INT NOT NULL, c2 INT, PRIMARY KEY(c1))ENGINE=INNODB;
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INSERT INTO t1 VALUES(1, NULL);
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ALTER IGNORE TABLE t1 CHANGE c2 c2 INT NOT NULL DEFAULT 2;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 1
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Warnings:
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Warning 1265 Data truncated for column 'c2' at row 1
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SELECT * FROM t1;
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c1 c2
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1 0
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DROP TABLE t1;
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#
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# MDEV-16126 Crash or ASAN heap-buffer-overflow in
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# mach_read_from_n_little_endian upon ALTER TABLE with blob
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#
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CREATE TABLE t1(a INT, v INT AS (a), b INT, c BLOB) ENGINE=InnoDB;
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ALTER TABLE t1 ADD PRIMARY KEY(b);
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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DROP TABLE t1;
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