The transcache
table is used to cache content that has been transcluded from other MediaWiki installations. See the Interwiki table docs and the $wgEnableScaryTranscluding configuration variable for details on the feature.
"DESCRIBE transcache
" in MediaWiki 1.18+ returns the following:
+-------------+----------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+----------------+------+-----+---------+-------+
| tc_url | varbinary(255) | NO | PRI | NULL | |
| tc_contents | blob | YES | | NULL | |
| tc_time | int(11) | NO | | NULL | |
+-------------+----------------+------+-----+---------+-------+
"DESCRIBE transcache
" in MediaWiki 1.8+ returns the following:
+-------------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------------+--------------+------+-----+---------+-------+
| tc_url | varchar(255) | NO | PRI | NULL | |
| tc_contents | text | YES | | NULL | |
| tc_time | int(11) | NO | | NULL | |
+-------------+--------------+------+-----+---------+-------+