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-rw-r--r--mysql-test/t/explain.test12
1 files changed, 12 insertions, 0 deletions
diff --git a/mysql-test/t/explain.test b/mysql-test/t/explain.test
index 77b49a8b1a5..7e2a9bdc811 100644
--- a/mysql-test/t/explain.test
+++ b/mysql-test/t/explain.test
@@ -187,4 +187,16 @@ SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1;
+--echo #
+--echo # Bug#30302: Tables that were optimized away are printed in the
+--echo # EXPLAIN EXTENDED warning.
+--echo #
+create table t1(f1 int);
+create table t2(f2 int);
+insert into t1 values(1);
+insert into t2 values(1),(2);
+explain extended select * from t1 where f1=1;
+explain extended select * from t1 join t2 on f1=f2 where f1=1;
+drop table t1,t2;
+
--echo End of 5.1 tests.