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Fix bug #11934 Two sequential FLUSH TABLES WITH READ LOCK hangs client

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Bug was introduced by cset 1.1659.14.1. Before it server was silently
ignoring that lock can't be acquired because it already acquired.

This patch makes make_global_read_lock_block_commit() return without error
if lock already acquired.
This commit is contained in:
evgen@moonbone.local
2005-08-03 02:01:27 +04:00
parent 655a86a9e7
commit 706247caae
3 changed files with 11 additions and 1 deletions
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3
mysql-test/r/flush_table.result
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@ -101,3 +101,6 @@ table_id
Record-02
handler t1 close;
drop table t1;
FLUSH TABLES WITH READ LOCK ;
FLUSH TABLES WITH READ LOCK ;
UNLOCK TABLES;