52 lines
1.4 KiB
Plaintext
52 lines
1.4 KiB
Plaintext
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#
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# BUG#22469660 INNODB DOESN'T UPDATE INDEX STATS WHEN ADDING OR DROPPING VIRTUAL COLUMN
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#
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CREATE TABLE t (
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a INT,
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b INT,
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c INT GENERATED ALWAYS AS(a+b),
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d INT GENERATED ALWAYS AS(a+b+b),
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KEY idxa (a),
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KEY vidxcd (c, d)
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) ENGINE=INNODB;
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INSERT INTO t (a,b) VALUES (1, 2);
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SELECT index_name, stat_name, stat_description
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FROM mysql.innodb_index_stats
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WHERE database_name = 'test' AND table_name = 't';
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ALTER TABLE t ADD COLUMN e INT GENERATED ALWAYS AS(a+a+b), ADD INDEX idxb (b), ALGORITHM=INPLACE;
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SELECT index_name, stat_name, stat_description
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FROM mysql.innodb_index_stats
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WHERE database_name = 'test' AND table_name = 't';
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ALTER TABLE t DROP COLUMN c, DROP INDEX idxa, ALGORITHM=INPLACE;
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SELECT index_name, stat_name, stat_description
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FROM mysql.innodb_index_stats
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WHERE database_name = 'test' AND table_name = 't';
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ALTER TABLE t ADD INDEX vidxe (e), ALGORITHM=INPLACE;
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SELECT index_name, stat_name, stat_description
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FROM mysql.innodb_index_stats
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WHERE database_name = 'test' AND table_name = 't';
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ALTER TABLE t ADD COLUMN f INT GENERATED ALWAYS AS(a + a), ADD INDEX vidxf (f), ALGORITHM=INPLACE;
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SELECT index_name, stat_name, stat_description
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FROM mysql.innodb_index_stats
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WHERE database_name = 'test' AND table_name = 't';
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ALTER TABLE t DROP INDEX vidxcd;
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SELECT index_name, stat_name, stat_description
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FROM mysql.innodb_index_stats
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WHERE database_name = 'test' AND table_name = 't';
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DROP TABLE t;
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