Bug #11747102 30771: LOG MORE INFO ABOUT THREADS KILL'D AND SORT ABORTED MESSAGES

mysql-test/r/filesort_debug.result:
  New test case.
mysql-test/t/filesort_debug.test:
  New test case.
sql/filesort.cc:
  thd->killed does not imply thd->is_error(), so test for that separately.

1 files changed, 36 insertions, 0 deletions

diff --git a/mysql-test/t/filesort_debug.test b/mysql-test/t/filesort_debug.test
index 0058a6a3aa7..724ebc90368 100644
--- a/mysql-test/t/filesort_debug.test
+++ b/mysql-test/t/filesort_debug.test
@@ -1,4 +1,6 @@
 --source include/have_debug.inc
+--source include/have_debug_sync.inc
+--source include/count_sessions.inc
 
 SET @old_debug= @@session.debug;
 
@@ -21,3 +23,37 @@ DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1;
 
 DROP TABLE t1;
 DROP FUNCTION f1;
+
+--echo #
+--echo # Bug #11747102
+--echo # 30771: LOG MORE INFO ABOUT THREADS KILL'D AND SORT ABORTED MESSAGES
+--echo #
+
+connect (con1, localhost, root);
+connect (con2, localhost, root);
+
+--echo # connection 1
+connection con1;
+CREATE TABLE t1(f0 int auto_increment primary key, f1 int);
+INSERT INTO t1(f1) VALUES (0),(1),(2),(3),(4),(5);
+
+let $ID= `SELECT @id := CONNECTION_ID()`;
+
+SET DEBUG_SYNC='filesort_start SIGNAL filesort_started WAIT_FOR filesort_killed';
+--echo # Sending: (not reaped since connection is killed later)
+--send SELECT * FROM t1 ORDER BY f1 ASC, f0
+
+--echo # connection 2
+connection con2;
+let $ignore= `SELECT @id := $ID`;
+SET DEBUG_SYNC='now WAIT_FOR filesort_started';
+KILL @id;
+SET DEBUG_SYNC='now SIGNAL filesort_killed';
+
+--echo # connection default
+connection default;
+disconnect con1;
+disconnect con2;
+--source include/wait_until_count_sessions.inc
+SET DEBUG_SYNC= "RESET";
+DROP TABLE t1;