X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2FCategory.php;h=28b566a7f99ff2dd6f3b0cef13edea93ec7db130;hb=0bcd4a16a46b3a8768f9ab01595cc598929ef63b;hp=3a21e256c782ceb7aa089e6210ea1871165ff2e1;hpb=44aec8a00a9f0f92a746ca575b58147fea1135e5;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/Category.php b/includes/Category.php
index 3a21e256c7..28b566a7f9 100644
--- a/includes/Category.php
+++ b/includes/Category.php
@@ -52,9 +52,9 @@ class Category {
 		if ( $this->mName === null && $this->mID === null ) {
 			throw new MWException( __METHOD__ . ' has both names and IDs null' );
 		} elseif ( $this->mID === null ) {
-			$where = array( 'cat_title' => $this->mName );
+			$where = [ 'cat_title' => $this->mName ];
 		} elseif ( $this->mName === null ) {
-			$where = array( 'cat_id' => $this->mID );
+			$where = [ 'cat_id' => $this->mID ];
 		} else {
 			# Already initialized
 			return true;
@@ -63,7 +63,7 @@ class Category {
 		$dbr = wfGetDB( DB_SLAVE );
 		$row = $dbr->selectRow(
 			'category',
-			array( 'cat_id', 'cat_title', 'cat_pages', 'cat_subcats', 'cat_files' ),
+			[ 'cat_id', 'cat_title', 'cat_pages', 'cat_subcats', 'cat_files' ],
 			$where,
 			__METHOD__
 		);
@@ -95,7 +95,11 @@ class Category {
 		# and should not be kept, and 2) we *probably* don't have to scan many
 		# rows to obtain the correct figure, so let's risk a one-time recount.
 		if ( $this->mPages < 0 || $this->mSubcats < 0 || $this->mFiles < 0 ) {
-			$this->refreshCounts();
+			$this->mPages = max( $this->mPages, 0 );
+			$this->mSubcats = max( $this->mSubcats, 0 );
+			$this->mFiles = max( $this->mFiles, 0 );
+
+			DeferredUpdates::addCallableUpdate( [ $this, 'refreshCounts' ] );
 		}
 
 		return true;
@@ -257,8 +261,8 @@ class Category {
 
 		$dbr = wfGetDB( DB_SLAVE );
 
-		$conds = array( 'cl_to' => $this->getName(), 'cl_from = page_id' );
-		$options = array( 'ORDER BY' => 'cl_sortkey' );
+		$conds = [ 'cl_to' => $this->getName(), 'cl_from = page_id' ];
+		$options = [ 'ORDER BY' => 'cl_sortkey' ];
 
 		if ( $limit ) {
 			$options['LIMIT'] = $limit;
@@ -270,9 +274,9 @@ class Category {
 
 		$result = TitleArray::newFromResult(
 			$dbr->select(
-				array( 'page', 'categorylinks' ),
-				array( 'page_id', 'page_namespace', 'page_title', 'page_len',
-					'page_is_redirect', 'page_latest' ),
+				[ 'page', 'categorylinks' ],
+				[ 'page_id', 'page_namespace', 'page_title', 'page_len',
+					'page_is_redirect', 'page_latest' ],
 				$conds,
 				__METHOD__,
 				$options
@@ -304,54 +308,62 @@ class Category {
 			return false;
 		}
 
-		# Note, we must use names for this, since categorylinks does.
-		if ( $this->mName === null ) {
-			if ( !$this->initialize() ) {
-				return false;
-			}
+		# If we have just a category name, find out whether there is an
+		# existing row. Or if we have just an ID, get the name, because
+		# that's what categorylinks uses.
+		if ( !$this->initialize() ) {
+			return false;
 		}
 
 		$dbw = wfGetDB( DB_MASTER );
 		$dbw->startAtomic( __METHOD__ );
 
-		# 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( array( 'page_namespace' => NS_CATEGORY ), 1, 'NULL' );
-		$cond2 = $dbw->conditional( array( 'page_namespace' => NS_FILE ), 1, 'NULL' );
+		$cond1 = $dbw->conditional( [ 'page_namespace' => NS_CATEGORY ], 1, 'NULL' );
+		$cond2 = $dbw->conditional( [ 'page_namespace' => NS_FILE ], 1, 'NULL' );
 		$result = $dbw->selectRow(
-			array( 'categorylinks', 'page' ),
-			array( 'pages' => 'COUNT(*)',
+			[ 'categorylinks', 'page' ],
+			[ 'pages' => 'COUNT(*)',
 				'subcats' => "COUNT($cond1)",
 				'files' => "COUNT($cond2)"
-			),
-			array( 'cl_to' => $this->mName, 'page_id = cl_from' ),
+			],
+			[ 'cl_to' => $this->mName, 'page_id = cl_from' ],
 			__METHOD__,
-			array( 'LOCK IN SHARE MODE' )
-		);
-		$ret = $dbw->update(
-			'category',
-			array(
-				'cat_pages' => $result->pages,
-				'cat_subcats' => $result->subcats,
-				'cat_files' => $result->files
-			),
-			array( 'cat_title' => $this->mName ),
-			__METHOD__
+			[ 'LOCK IN SHARE MODE' ]
 		);
+
+		if ( $this->mID ) {
+			# The category row already exists, so do a plain UPDATE instead
+			# of INSERT...ON DUPLICATE KEY UPDATE to avoid creating a gap
+			# in the cat_id sequence. The row may or may not be "affected".
+			$dbw->update(
+				'category',
+				[
+					'cat_pages' => $result->pages,
+					'cat_subcats' => $result->subcats,
+					'cat_files' => $result->files
+				],
+				[ 'cat_title' => $this->mName ],
+				__METHOD__
+			);
+		} else {
+			$dbw->upsert(
+				'category',
+				[
+					'cat_title' => $this->mName,
+					'cat_pages' => $result->pages,
+					'cat_subcats' => $result->subcats,
+					'cat_files' => $result->files
+				],
+				[ 'cat_title' ],
+				[
+					'cat_pages' => $result->pages,
+					'cat_subcats' => $result->subcats,
+					'cat_files' => $result->files
+				],
+				__METHOD__
+			);
+		}
+
 		$dbw->endAtomic( __METHOD__ );
 
 		# Now we should update our local counts.
@@ -359,6 +371,6 @@ class Category {
 		$this->mSubcats = $result->subcats;
 		$this->mFiles = $result->files;
 
-		return $ret;
+		return true;
 	}
 }