1 files changed, 21 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/r/table_definition_cache_debug.result b/mysql-test/suite/innodb/r/table_definition_cache_debug.result
new file mode 100644
index 00000000000..afceec731b0
--- /dev/null
+++ b/mysql-test/suite/innodb/r/table_definition_cache_debug.result
@@ -0,0 +1,21 @@
+SET @save_tdc= @@GLOBAL.table_definition_cache;
+SET @save_toc= @@GLOBAL.table_open_cache;
+SET GLOBAL table_definition_cache= 400;
+SET GLOBAL table_open_cache= 1024;
+CREATE TABLE to_be_evicted(a INT PRIMARY KEY, b INT NOT NULL) ENGINE=InnoDB;
+INSERT INTO to_be_evicted VALUES(1,2),(2,1);
+connect ddl,localhost,root,,;
+SET DEBUG_SYNC = 'row_log_apply_before SIGNAL scanned WAIT_FOR got_duplicate';
+ALTER TABLE to_be_evicted ADD UNIQUE INDEX(b);
+connection default;
+SET DEBUG_SYNC = 'now WAIT_FOR scanned';
+BEGIN;
+INSERT INTO to_be_evicted VALUES(3, 2);
+SET DEBUG_SYNC = 'now SIGNAL got_duplicate';
+connection ddl;
+ERROR 23000: Duplicate entry '2' for key 'b'
+disconnect ddl;
+connection default;
+COMMIT;
+SET DEBUG_SYNC = RESET;
+FLUSH TABLES;