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88 lines
2 KiB
Text
88 lines
2 KiB
Text
#
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# ENABLE KEYS / DISABLE KEYS
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#
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--source have_engine.inc
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--source have_default_index.inc
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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--let $create_definition = a $int_indexed_col, $default_index(a)
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--source create_table.inc
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INSERT INTO t1 (a) VALUES (10);
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INSERT INTO t1 (a) VALUES
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(1),(2),(3),(4),(5),(6),(7),(8),(9),
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(21),(22),(23),(24),(25),(26),(27),(28),(29);
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# Plan should use the index.
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# Masking the `rows` column as the value might vary a bit
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--replace_column 9 #
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EXPLAIN SELECT a FROM t1 ORDER BY a;
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--replace_column 6 # 7 #
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SHOW INDEX IN t1;
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--let $alter_definition = DISABLE KEYS
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--source alter_table.inc
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if ($mysql_errname)
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{
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--let $my_last_stmt = $alter_statement
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--let $functionality = ALTER .. DISABLE KEYS
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--source unexpected_result.inc
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}
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# Now comment should say 'disabled'
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--replace_column 6 # 7 #
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SHOW INDEX IN t1;
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# And the plan should not use the index
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EXPLAIN SELECT a FROM t1 ORDER BY a;
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INSERT INTO t1 (a) VALUES
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(11),(12),(13),(14),(15),(16),(17),(18),(19),(20);
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# The index should be back active
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--let $alter_definition = ENABLE KEYS
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--source alter_table.inc
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--replace_column 6 # 7 #
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SHOW INDEX IN t1;
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--replace_column 9 #
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EXPLAIN SELECT a FROM t1 ORDER BY a;
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DROP TABLE t1;
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--let $create_definition = a $int_indexed_col, UNIQUE INDEX(a)
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--source create_table.inc
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if ($mysql_errname)
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{
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--let $my_last_stmt = $create_statement
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--let $functionality = Unique keys
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--source unexpected_result.inc
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}
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if (!$mysql_errname)
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{
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INSERT INTO t1 (a) VALUES
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(1),(2),(3),(4),(5),(6),(7),(8),(9),
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(21),(22),(23),(24),(25),(26),(27),(28),(29);
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# For unique indexes DISABLE KEYS has no effect
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--let $alter_definition = DISABLE KEYS
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--source alter_table.inc
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--let $error_codes = ER_DUP_ENTRY,ER_DUP_KEY
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INSERT INTO t1 (a) VALUES (29);
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--source check_errors.inc
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--replace_column 6 # 7 #
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SHOW INDEX IN t1;
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--replace_column 9 #
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EXPLAIN SELECT a FROM t1 ORDER BY a;
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DROP TABLE t1;
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}
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# Cleanup
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--source cleanup_engine.inc
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