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