1 files changed, 51 insertions, 0 deletions
diff --git a/mysql-test/include/min_null_cond.inc b/mysql-test/include/min_null_cond.inc
new file mode 100644
index 00000000..c958fc70
--- /dev/null
+++ b/mysql-test/include/min_null_cond.inc
@@ -0,0 +1,51 @@
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+SELECT MIN( a ) FROM t1 WHERE a = NULL;
+
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+SELECT MIN( a ) FROM t1 WHERE a <> NULL;
+
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+SELECT MIN( a ) FROM t1 WHERE a > NULL;
+
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+SELECT MIN( a ) FROM t1 WHERE a < NULL;
+
+if (!$skip_null_safe_test)
+{
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a <=> NULL;
+SELECT MIN( a ) FROM t1 WHERE a <=> NULL;
+}
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND 10;
+
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN NULL AND NULL;
+
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+SELECT MIN( a ) FROM t1 WHERE a BETWEEN 10 AND NULL;
+
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+SELECT MIN( a ) FROM t1 WHERE a = (SELECT a FROM t1 WHERE a < 0);
+
+--replace_column 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x
+EXPLAIN
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;
+SELECT MIN( a ) FROM t1 WHERE a IS NULL;