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authorSergei Petrunia <psergey@askmonty.org>2014-06-26 18:32:18 +0400
committerSergei Petrunia <psergey@askmonty.org>2014-06-26 18:32:18 +0400
commita787edd7e660a00f015ca0a25ded0952085f7451 (patch)
tree6715da05c41c835f5c451b6e65989197880e9356 /mysql-test/t/analyze_stmt.test
parent12d6f89b073351169e070355e8db363d0d649749 (diff)
downloadmariadb-git-a787edd7e660a00f015ca0a25ded0952085f7451.tar.gz
MDEV-6395: Make ANALYZE UPDATE/DELETE handle the degenerate query plans.
Diffstat (limited to 'mysql-test/t/analyze_stmt.test')
-rw-r--r--mysql-test/t/analyze_stmt.test17
1 files changed, 15 insertions, 2 deletions
diff --git a/mysql-test/t/analyze_stmt.test b/mysql-test/t/analyze_stmt.test
index d310ab2a3fb..67a7456a473 100644
--- a/mysql-test/t/analyze_stmt.test
+++ b/mysql-test/t/analyze_stmt.test
@@ -1,5 +1,5 @@
#
-# Tests for "ANALYZE $statement" feature (PostgreSQL's analog is called EXPLAIN ANALYZE)
+# Tests for "ANALYZE $statement" feature
#
--disable_warnings
drop table if exists t0,t1,t2,t3;
@@ -169,5 +169,18 @@ analyze update t2,t1 set t2.i=5 where t2.a=t1.a;
--error ER_BAD_FIELD_ERROR
analyze delete t1 from t2,t1 where t2.a=t1.a;
-drop table t1,t2;
+drop table t1, t2;
+--echo #
+--echo # MDEV-6395: ANALYZE UPDATE/DELETE with impossible where does not produce any output
+--echo #
+create table t1 (a int, b int, key(a));
+insert into t1 values (1,1),(2,2),(3,3),(4,4),(5,5);
+
+analyze delete from t1 where 1 > 2;
+analyze delete from t1 where a > 30 and a < 10;
+
+analyze update t1 set b=12345 where 1 > 2;
+analyze update t1 set b=12345 where a > 30 and a < 10;
+
+drop table t1;