Table cache
===========
+Stores temporary data
+
| Field | Description | Type | Null | Key | Default | Extra |
| ------------ | ---------------------------------- | ------------ | ---- | --- | ------------------- | ----- |
-| k | horizontal width + url or resource | varchar(255) | NO | PRI | NULL | |
-| v | OEmbed response from site | text | NO | | NULL | |
+| k | cache key | varchar(255) | NO | PRI | NULL | |
+| v | cached serialized value | text | NO | | NULL | |
+| expires | datetime of cache expiration | datetime | NO | MUL | 0001-01-01 00:00:00 | |
| updated | datetime of cache insertion | datetime | NO | MUL | 0001-01-01 00:00:00 | |
-| expire_mode | | int(11) | NO | | 0 | |
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