From 3f619478f796eddbba6e39502fe941b285dd97b1 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 4 May 2024 20:00:34 +0200
Subject: Adding upstream version 1:10.11.6.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 mysql-test/suite/atomic/rename_view.test | 85 ++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 mysql-test/suite/atomic/rename_view.test

(limited to 'mysql-test/suite/atomic/rename_view.test')

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
-- 
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