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-rw-r--r--mysql-test/suite/atomic/rename_view.test85
1 files changed, 85 insertions, 0 deletions
diff --git a/mysql-test/suite/atomic/rename_view.test b/mysql-test/suite/atomic/rename_view.test
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+++ b/mysql-test/suite/atomic/rename_view.test
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+--source include/have_debug.inc
+--source include/not_valgrind.inc
+--source include/not_embedded.inc
+
+#
+# Testing of atomic rename with crashes in a lot of different places
+#
+
+let $crash_count=4;
+let $crash_points='ddl_log_rename_before_rename_view','ddl_log_rename_after_rename_view','rename_view_after_rename_schema_file','definition_file_after_create';
+
+# Number of renames in the tested statement
+let $renames=5;
+
+let $old_debug=`select @@debug_dbug`;
+
+let $e=0;
+
+--disable_query_log
+create table t1 (a int not null);
+create table t2 (b int not null);
+create table t3 (c int not null);
+create table t4 (d int not null);
+insert into t1 values(1);
+insert into t2 values(2);
+insert into t3 values(3);
+insert into t4 values(4);
+create view v1 as select t1.a from t1;
+create view v2 as select t2.b from t2;
+create view v3 as select t3.c from t3;
+create view v4 as select t4.d from t4;
+flush tables;
+
+let $c=0;
+while ($c < $crash_count)
+{
+ inc $c;
+ let $crash=`select ELT($c, $crash_points)`;
+ let $r=0;
+ while ($r < $renames)
+ {
+ inc $r;
+ echo "engine: crash point: $crash position: $r";
+
+ --exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
+ --disable_reconnect
+ --eval set @@debug_dbug="+d,$crash",@debug_crash_counter=$r
+ let $errno=0;
+ --error 0,2013
+ rename table v1 to v5, v2 to v1, v5 to v2, v4 to v5, v3 to v4;
+ let $error=$errno;
+ --enable_reconnect
+ --source include/wait_until_connected_again.inc
+ --disable_query_log
+ --eval set @@debug_dbug="$old_debug"
+
+ if ($error == 0)
+ {
+ echo "No crash!";
+ # No crash, rename things back
+ rename table v4 to v3, v5 to v4, v2 to v5, v1 to v2, v5 to v1;
+ }
+
+ # Ensure that the tables are back to original
+ let $res=`select v1.a+v2.b+v3.c+v4.d from v1,v2,v3,v4`;
+ if ($res != 10)
+ {
+ die "Got result $res when 10 was expected";
+ }
+ }
+}
+
+--echo #
+--echo # At last check that rename works when there is no crash
+--echo #
+
+rename table v1 to v5, v2 to v1, v5 to v2, v4 to v5, v3 to v4;
+let $res=`select (select sum(v1.b) from v1)+ (select sum(v2.a) from v2) + (select sum(v4.c) from v4)+ (select sum(v5.d) from v5)`;
+if ($res != 10)
+{
+ die "Got result $res when 10 was expected";
+}
+drop view v1,v2,v4,v5;
+drop table t1,t2,t3,t4;
+--enable_query_log