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Fix for bug #53238 "mdl_sync fails sporadically".

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The problem was that mdl_sync.test was failing sporadically,
due to fact that part of the test didn't take into account
effects of MyISAM's concurrent insert.

This patch solves the problem by making test case robust
against concurrent insert.
This commit is contained in:
Dmitry Lenev 2010-05-26 23:58:16 +04:00
parent ae1ae4bd63
commit 2397d7fe19
2 changed files with 8 additions and 4 deletions
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6
mysql-test/r/mdl_sync.result
View File

@ -330,9 +330,9 @@ select column_name from information_schema.columns where
table_schema='test' and table_name='t1';
column_name
c1
select count(*) from t1;
count(*)
4
# Disable result log to make test robust against
# effects of concurrent insert.
select * from t1;
insert into t1 values (1);
# Check that SNW lock is not compatible with SW lock.
# Again we use ALTER TABLE which fails after opening

6
mysql-test/t/mdl_sync.test
View File

@ -462,7 +462,11 @@ handler t1 open;
handler t1 close;
select column_name from information_schema.columns where
table_schema='test' and table_name='t1';
select count(*) from t1;
--echo # Disable result log to make test robust against
--echo # effects of concurrent insert.
--disable_result_log
select * from t1;
--enable_result_log
insert into t1 values (1);
--echo # Check that SNW lock is not compatible with SW lock.
--echo # Again we use ALTER TABLE which fails after opening