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-rw-r--r--includes/database/mysql/schema.inc1
1 files changed, 1 insertions, 0 deletions
diff --git a/includes/database/mysql/schema.inc b/includes/database/mysql/schema.inc
index 9290cf566..abdbd0c59 100644
--- a/includes/database/mysql/schema.inc
+++ b/includes/database/mysql/schema.inc
@@ -175,6 +175,7 @@ class DatabaseSchema_mysql extends DatabaseSchema {
// Put :normal last so it gets preserved by array_flip. This makes
// it much easier for modules (such as schema.module) to map
// database types back into schema types.
+ // $map does not use drupal_static as its value never changes.
static $map = array(
'varchar:normal' => 'VARCHAR',
'char:normal' => 'CHAR',