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Diffstat (limited to '')
-rw-r--r-- | mysql-test/suite/atomic/rename_view.test | 85 |
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 new file mode 100644 index 00000000..c326d842 --- /dev/null +++ b/mysql-test/suite/atomic/rename_view.test @@ -0,0 +1,85 @@ +--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 |