41 lines
1.5 KiB
Plaintext
41 lines
1.5 KiB
Plaintext
# Test alter table add column
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CREATE TABLE t_8114 (a int) ENGINE = INNODB;
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ALTER TABLE t_8114 ADD b INT GENERATED ALWAYS AS (a) VIRTUAL;
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SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLES WHERE NAME LIKE "%t_8114";
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SELECT NAME, POS, MTYPE, PRTYPE, LEN FROM INFORMATION_SCHEMA.INNODB_COLUMNS WHERE TABLE_ID IN (SELECT TABLE_ID FROM INFORMATION_SCHEMA.INNODB_TABLES WHERE NAME LIKE "%t_8114") ORDER BY NAME;
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INSERT INTO t_8114 VALUES (9, default);
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INSERT INTO t_8114 VALUES (3, default);
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INSERT INTO t_8114 VALUES (1, default);
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INSERT INTO t_8114 VALUES (5, default);
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SELECT * FROM t_8114;
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DROP TABLE t_8114;
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CREATE TABLE t_8114 (Column_1 CHAR(5) GENERATED ALWAYS AS (PI()+5), Column_2 CHAR(5));
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SELECT NAME, FLAG, N_COLS FROM INFORMATION_SCHEMA.INNODB_TABLES WHERE NAME LIKE "%t_8114";
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SELECT NAME, POS, MTYPE, PRTYPE, LEN FROM INFORMATION_SCHEMA.INNODB_COLUMNS WHERE TABLE_ID IN (SELECT TABLE_ID FROM INFORMATION_SCHEMA.INNODB_TABLES WHERE NAME LIKE "%t_8114") ORDER BY NAME;
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INSERT INTO t_8114 VALUES (default, "aa");
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INSERT INTO t_8114 VALUES (default, "bb");
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INSERT INTO t_8114 VALUES (default, "ee");
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INSERT INTO t_8114 VALUES (default, "pp");
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SELECT * FROM t_8114;
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ALTER TABLE t_8114 DROP Column_1;
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SELECT NAME FROM INFORMATION_SCHEMA.INNODB_TABLES WHERE NAME LIKE "%t_8114";
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SELECT NAME, POS, MTYPE, PRTYPE, LEN FROM INFORMATION_SCHEMA.INNODB_COLUMNS WHERE TABLE_ID IN (SELECT TABLE_ID FROM INFORMATION_SCHEMA.INNODB_TABLES WHERE NAME LIKE "%t_8114") ORDER BY NAME;
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SELECT * FROM t_8114;
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DROP TABLE t_8114;
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