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author | Igor Babaev <igor@askmonty.org> | 2012-09-11 22:36:04 -0700 |
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committer | Igor Babaev <igor@askmonty.org> | 2012-09-11 22:36:04 -0700 |
commit | 2bbcec41488ff4506cb848357086e8fb07a9648c (patch) | |
tree | 32adff3114bf43b9c1cb029bfdf9d35e309cd0e0 /mysql-test | |
parent | ff36e9fc518a4f8b463a09aeb9499c4552a27534 (diff) | |
download | mariadb-git-2bbcec41488ff4506cb848357086e8fb07a9648c.tar.gz |
Fixed bug mdev-518.
If some statistical tables are corrupted the server should use
the conventional statistical data.
Diffstat (limited to 'mysql-test')
-rw-r--r-- | mysql-test/r/stat_tables.result | 16 | ||||
-rw-r--r-- | mysql-test/r/stat_tables_innodb.result | 16 | ||||
-rw-r--r-- | mysql-test/t/stat_tables.test | 24 |
3 files changed, 56 insertions, 0 deletions
diff --git a/mysql-test/r/stat_tables.result b/mysql-test/r/stat_tables.result index 3cc650e7050..169266fea25 100644 --- a/mysql-test/r/stat_tables.result +++ b/mysql-test/r/stat_tables.result @@ -364,4 +364,20 @@ ANALYZE TABLE t1; Table Op Msg_type Msg_text test.t1 analyze status OK DROP TABLE t1; +# +# Bug mdev-518: corrupted/missing statistical tables +# +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; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 +FLUSH TABLES; +SET use_stat_tables='preferably'; +EXPLAIN SELECT * FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 +DROP TABLE t1; set use_stat_tables=@save_use_stat_tables; diff --git a/mysql-test/r/stat_tables_innodb.result b/mysql-test/r/stat_tables_innodb.result index bb0497ee331..699df08225e 100644 --- a/mysql-test/r/stat_tables_innodb.result +++ b/mysql-test/r/stat_tables_innodb.result @@ -391,6 +391,22 @@ ANALYZE TABLE t1; Table Op Msg_type Msg_text test.t1 analyze status OK DROP TABLE t1; +# +# Bug mdev-518: corrupted/missing statistical tables +# +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; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 +FLUSH TABLES; +SET use_stat_tables='preferably'; +EXPLAIN SELECT * FROM t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 2 +DROP TABLE t1; set use_stat_tables=@save_use_stat_tables; set optimizer_switch=@save_optimizer_switch_for_stat_tables_test; SET SESSION STORAGE_ENGINE=DEFAULT; diff --git a/mysql-test/t/stat_tables.test b/mysql-test/t/stat_tables.test index 3ef5b4e9b92..e3712c8d022 100644 --- a/mysql-test/t/stat_tables.test +++ b/mysql-test/t/stat_tables.test @@ -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; + |