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-rw-r--r--modules/system/system.install5
1 files changed, 4 insertions, 1 deletions
diff --git a/modules/system/system.install b/modules/system/system.install
index 0b691a20d..c83bc60fe 100644
--- a/modules/system/system.install
+++ b/modules/system/system.install
@@ -1380,7 +1380,10 @@ function system_schema() {
'not null' => TRUE
),
),
- 'indexes' => array('value' => array('value')),
+ 'indexes' => array(
+ 'value' => array('value'),
+ 'expire' => array('expire'),
+ ),
'primary key' => array('name'),
);