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Fixed bug mdev-518.

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If some statistical tables are corrupted the server should use
the conventional statistical data.
This commit is contained in:
Igor Babaev
2012-09-11 22:36:04 -07:00
parent ff36e9fc51
commit 2bbcec4148
4 changed files with 61 additions and 3 deletions
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24
mysql-test/t/stat_tables.test
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@@ -180,4 +180,28 @@ ANALYZE TABLE t1;
DROP TABLE t1;
--echo #
--echo # Bug mdev-518: corrupted/missing statistical tables
--echo #
CREATE TABLE t1 (i int) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);
FLUSH TABLE t1;
SET use_stat_tables='never';
EXPLAIN SELECT * FROM t1;
--move_file $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stat.MYD $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stat.MYD.save
FLUSH TABLES;
SET use_stat_tables='preferably';
--disable_warnings
EXPLAIN SELECT * FROM t1;
--enable_warnings
# Cleanup
--move_file $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stat.MYD.save $MYSQLTEST_VARDIR/mysqld.1/data/mysql/table_stat.MYD
DROP TABLE t1;
set use_stat_tables=@save_use_stat_tables;