1 files changed, 79 insertions, 0 deletions
diff --git a/mysql-test/main/show_explain_non_select.test b/mysql-test/main/show_explain_non_select.test
new file mode 100644
index 00000000..92b3c978
--- /dev/null
+++ b/mysql-test/main/show_explain_non_select.test
@@ -0,0 +1,79 @@
+#
+# SHOW EXPLAIN tests for non-select subqueries
+#
+--source include/have_debug.inc
+--source include/have_debug_sync.inc
+--source include/have_innodb.inc
+--source include/not_embedded.inc
+
+--disable_warnings
+drop table if exists t0, t1;
+--enable_warnings
+
+SET @old_debug= @@session.debug;
+set debug_sync='RESET';
+
+# 
+# Setup two threads and their ids
+#
+let $thr1=`select connection_id()`;
+connect (con2, localhost, root,,);
+connection con2;
+let $thr2=`select connection_id()`;
+connection default;
+
+# 
+# Create tables
+# 
+create table t0 (a int) engine=myisam;
+insert into t0 values (1),(2),(3),(4),(5),(6),(7),(8);
+
+create table t1 (a int, b int, filler char(100), key(a), key(b));
+insert into t1 
+select A.a+10*B.a + 10*C.a, A.a+10*B.a + 10*C.a, 'filler' 
+from t0 A, t0 B, t0 C;
+
+let $wait_condition= select State='show_explain_trap' from information_schema.processlist where id=$thr2;
+
+--echo #
+--echo # Test SHOW EXPLAIN for single-table DELETE
+--echo #
+connection con2;
+SET debug_dbug='+d,show_explain_probe_delete_exec_start';
+send delete from t1 where a<10 and b+1>1000;
+
+connection default;
+--source include/wait_condition.inc
+evalp show explain for $thr2;
+connection con2;
+reap;
+
+--echo #
+--echo # Test SHOW EXPLAIN for multi-table DELETE
+--echo #
+set @show_explain_probe_select_id=1;
+SET debug_dbug='+d,show_explain_probe_do_select';
+send delete t1 from t1, t0 where t0.a=t1.a and t1.b +1 > 1000;
+connection default;
+--source include/wait_condition.inc
+evalp show explain for $thr2;
+connection con2;
+reap;
+
+--echo #
+--echo # Test SHOW EXPLAIN for single-table UPDATE
+--echo #
+connection con2;
+SET debug_dbug='+d,show_explain_probe_update_exec_start';
+send update t1 set filler='filler-data-2' where a<10 and b+1>1000;
+
+connection default;
+--source include/wait_condition.inc
+evalp show explain for $thr2;
+connection con2;
+reap;
+
+drop table t0,t1;
+
+SET debug_dbug=@old_debug;
+set debug_sync='RESET';