- $cond1 = $dbw->conditional( 'page_namespace='.NS_CATEGORY, 1, 'NULL' );
- $cond2 = $dbw->conditional( 'page_namespace='.NS_FILE, 1, 'NULL' );
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->begin();
+
+ # Insert the row if it doesn't exist yet (e.g., this is being run via
+ # update.php from a pre-1.16 schema). TODO: This will cause lots and
+ # lots of gaps on some non-MySQL DBMSes if you run populateCategory.php
+ # repeatedly. Plus it's an extra query that's unneeded almost all the
+ # time. This should be rewritten somehow, probably.
+ $seqVal = $dbw->nextSequenceValue( 'category_cat_id_seq' );
+ $dbw->insert(
+ 'category',
+ array(
+ 'cat_id' => $seqVal,
+ 'cat_title' => $this->mName
+ ),
+ __METHOD__,
+ 'IGNORE'
+ );
+
+ $cond1 = $dbw->conditional( 'page_namespace=' . NS_CATEGORY, 1, 'NULL' );
+ $cond2 = $dbw->conditional( 'page_namespace=' . NS_FILE, 1, 'NULL' );