1 files changed, 65 insertions, 0 deletions
diff --git a/mysql-test/suite/storage_engine/col_null.inc b/mysql-test/suite/storage_engine/col_null.inc
new file mode 100644
index 00000000000..6f74609869f
--- /dev/null
+++ b/mysql-test/suite/storage_engine/col_null.inc
@@ -0,0 +1,65 @@
+#
+# NULL attribute and DEFAULT NULL in columns
+#
+# Usage:
+# let $col_definition = <column type (and possibly more options)>;
+# let $col_default = <default non-null value for a column>;
+# --source col_null.inc
+#
+# We will add NULL at the end of $col;
+#
+# Also, if $col_default is defined, 
+# we will create a table with 3 columns (one with DEFAULT NULL, 
+# one with DEFAULT $col_default, and one without any default)
+#
+
+--disable_warnings
+DROP TABLE IF EXISTS t1;
+--enable_warnings
+
+--let $create_definition = c $col_definition NULL
+--source create_table.inc
+SHOW COLUMNS IN t1;
+if ($mysql_errname)
+{
+  --source unexpected_result.inc
+}
+if (!$mysql_errname)
+{
+  INSERT INTO t1 (c) VALUES (NULL);
+  if ($mysql_errname)
+  {
+    --let $functionality = NULLable columns
+    --source unexpected_result.inc
+  }
+  SELECT COUNT(c), COUNT(*) FROM t1;
+
+  DROP TABLE t1;
+}
+
+if ($col_default != '')
+{
+  let $create_definition =
+    c $col_definition NULL,
+    c1 $col_definition NULL DEFAULT NULL,
+    c2 $col_definition NULL DEFAULT $col_default
+  ;
+  --source create_table.inc
+  if ($mysql_errname)
+  {
+    --source unexpected_result.inc
+  }
+  if (!$mysql_errname)
+  {
+    SHOW COLUMNS IN t1;
+
+    INSERT INTO t1 (c) VALUES (NULL);
+    SELECT COUNT(c2), COUNT(c1), COUNT(c), COUNT(*) FROM t1;
+
+    DROP TABLE t1;
+  }
+}
+
+# We don't want to preserve it
+let $col_default = ;
+