Merge "Add attributes parameter to ShowSearchHitTitle"
[lhc/web/wiklou.git] / includes / libs / rdbms / database / Database.php
index 7a97dcb..e04566e 100644 (file)
@@ -945,10 +945,11 @@ abstract class Database implements IDatabase, IMaintainableDatabase, LoggerAware
                        # Update state tracking to reflect transaction loss due to disconnection
                        $this->handleSessionLoss();
                        if ( $this->reconnect() ) {
-                               $msg = __METHOD__ . ": lost connection to {$this->getServer()}; reconnected";
-                               $this->connLogger->warning( $msg );
-                               $this->queryLogger->warning(
-                                       "$msg:\n" . ( new RuntimeException() )->getTraceAsString() );
+                               $msg = __METHOD__ . ': lost connection to {dbserver}; reconnected';
+                               $params = [ 'dbserver' => $this->getServer() ];
+                               $this->connLogger->warning( $msg, $params );
+                               $this->queryLogger->warning( $msg, $params +
+                                       [ 'trace' => ( new RuntimeException() )->getTraceAsString() ] );
 
                                if ( !$recoverable ) {
                                        # Callers may catch the exception and continue to use the DB
@@ -958,8 +959,8 @@ abstract class Database implements IDatabase, IMaintainableDatabase, LoggerAware
                                        $ret = $this->doProfiledQuery( $sql, $commentedSql, $isNonTempWrite, $fname );
                                }
                        } else {
-                               $msg = __METHOD__ . ": lost connection to {$this->getServer()} permanently";
-                               $this->connLogger->error( $msg );
+                               $msg = __METHOD__ . ': lost connection to {dbserver} permanently';
+                               $this->connLogger->error( $msg, [ 'dbserver' => $this->getServer() ] );
                        }
                }
 
@@ -1138,6 +1139,7 @@ abstract class Database implements IDatabase, IMaintainableDatabase, LoggerAware
         *
         * @param string $error Error text
         * @param int $errno Error number
+        * @return bool
         */
        protected function wasQueryTimeout( $error, $errno ) {
                return false;
@@ -2014,11 +2016,21 @@ abstract class Database implements IDatabase, IMaintainableDatabase, LoggerAware
                                // No alias? Set it equal to the table name
                                $alias = $table;
                        }
+
+                       if ( is_array( $table ) ) {
+                               // A parenthesized group
+                               $joinedTable = '('
+                                       . $this->tableNamesWithIndexClauseOrJOIN( $table, $use_index, $ignore_index, $join_conds )
+                                       . ')';
+                       } else {
+                               $joinedTable = $this->tableNameWithAlias( $table, $alias );
+                       }
+
                        // Is there a JOIN clause for this table?
                        if ( isset( $join_conds[$alias] ) ) {
                                list( $joinType, $conds ) = $join_conds[$alias];
                                $tableClause = $joinType;
-                               $tableClause .= ' ' . $this->tableNameWithAlias( $table, $alias );
+                               $tableClause .= ' ' . $joinedTable;
                                if ( isset( $use_index[$alias] ) ) { // has USE INDEX?
                                        $use = $this->useIndexClause( implode( ',', (array)$use_index[$alias] ) );
                                        if ( $use != '' ) {
@@ -2040,7 +2052,7 @@ abstract class Database implements IDatabase, IMaintainableDatabase, LoggerAware
                                $retJOIN[] = $tableClause;
                        } elseif ( isset( $use_index[$alias] ) ) {
                                // Is there an INDEX clause for this table?
-                               $tableClause = $this->tableNameWithAlias( $table, $alias );
+                               $tableClause = $joinedTable;
                                $tableClause .= ' ' . $this->useIndexClause(
                                                implode( ',', (array)$use_index[$alias] )
                                        );
@@ -2048,14 +2060,14 @@ abstract class Database implements IDatabase, IMaintainableDatabase, LoggerAware
                                $ret[] = $tableClause;
                        } elseif ( isset( $ignore_index[$alias] ) ) {
                                // Is there an INDEX clause for this table?
-                               $tableClause = $this->tableNameWithAlias( $table, $alias );
+                               $tableClause = $joinedTable;
                                $tableClause .= ' ' . $this->ignoreIndexClause(
                                                implode( ',', (array)$ignore_index[$alias] )
                                        );
 
                                $ret[] = $tableClause;
                        } else {
-                               $tableClause = $this->tableNameWithAlias( $table, $alias );
+                               $tableClause = $joinedTable;
 
                                $ret[] = $tableClause;
                        }
@@ -3077,8 +3089,16 @@ abstract class Database implements IDatabase, IMaintainableDatabase, LoggerAware
 
                $this->mTrxIdleCallbacks = []; // clear
                $this->mTrxPreCommitCallbacks = []; // clear
-               $this->runOnTransactionIdleCallbacks( self::TRIGGER_ROLLBACK );
-               $this->runTransactionListenerCallbacks( self::TRIGGER_ROLLBACK );
+               try {
+                       $this->runOnTransactionIdleCallbacks( self::TRIGGER_ROLLBACK );
+               } catch ( Exception $e ) {
+                       // already logged; finish and let LoadBalancer move on during mass-rollback
+               }
+               try {
+                       $this->runTransactionListenerCallbacks( self::TRIGGER_ROLLBACK );
+               } catch ( Exception $e ) {
+                       // already logged; let LoadBalancer move on during mass-rollback
+               }
        }
 
        /**