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Bug#18654 Test is timing-dependent and fails from scheduling effects (?)

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- Wait in loop with small sleep until tables has been renamed


mysql-test/t/rename.test:
  To avoid scheduling effects wait for the tables to be renamed in a loop with small sleeps
  before continuing with tests
mysql-test/include/wait_for_query_to_suceed.inc:
  New BitKeeper file ``mysql-test/include/wait_for_query_to_suceed.inc''
This commit is contained in:
unknown
2006-10-30 14:42:28 +01:00
parent f9ff7472a2
commit c2b8a63ccf
2 changed files with 33 additions and 4 deletions
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25
mysql-test/include/wait_for_query_to_suceed.inc Normal file
View File

@@ -0,0 +1,25 @@
#
# Run a query over and over until it suceeds ot timeout occurs
#
let $counter= 100;
disable_abort_on_error;
disable_query_log;
disable_result_log;
eval $query;
while ($mysql_errno)
{
eval $query;
sleep 0.1;
dec $counter;
if (!$counter)
{
die("Waited too long for query to suceed");
}
}
enable_abort_on_error;
enable_query_log;
enable_result_log;

10
mysql-test/t/rename.test
View File

@@ -43,7 +43,7 @@ select * from t3;
drop table if exists t1,t2,t3,t4; drop table if exists t1,t2,t3,t4;
# #
# Test-case for Bug #2397 RENAME TABLES is not blocked by # Bug #2397 RENAME TABLES is not blocked by
# FLUSH TABLES WITH READ LOCK # FLUSH TABLES WITH READ LOCK
# #
@@ -58,10 +58,14 @@ FLUSH TABLES WITH READ LOCK;
connection con1; connection con1;
send RENAME TABLE t1 TO t2, t3 to t4; send RENAME TABLE t1 TO t2, t3 to t4;
connection con2; connection con2;
sleep 1;
show tables; show tables;
UNLOCK TABLES; UNLOCK TABLES;
sleep 1;
# Wait for the the tables to be renamed
# i.e the query below succeds
let $query= select * from t2, t4;
source include/wait_for_query_to_suceed.inc;
show tables; show tables;
drop table t2, t4; drop table t2, t4;