Merge "Set more fields in fake DB subclasses to avoid errors"
authorjenkins-bot <jenkins-bot@gerrit.wikimedia.org>
Wed, 21 Sep 2016 20:17:28 +0000 (20:17 +0000)
committerGerrit Code Review <gerrit@wikimedia.org>
Wed, 21 Sep 2016 20:17:28 +0000 (20:17 +0000)
16 files changed:
includes/db/DatabaseMssql.php
includes/libs/rdbms/database/Database.php
includes/libs/rdbms/database/DatabaseMysqlBase.php
includes/libs/rdbms/database/DatabaseMysqli.php
includes/libs/rdbms/database/DatabasePostgres.php
includes/libs/rdbms/database/DatabaseSqlite.php
includes/libs/rdbms/database/IDatabase.php
includes/libs/rdbms/lbfactory/LBFactory.php
includes/libs/rdbms/loadbalancer/LoadBalancer.php
resources/src/mediawiki.legacy/images/help-question-hover.gif [deleted file]
resources/src/mediawiki.legacy/images/help-question.gif [deleted file]
resources/src/mediawiki.legacy/shared.css
resources/src/mediawiki/api/upload.js
tests/phpunit/includes/db/DatabaseSQLTest.php
tests/phpunit/includes/db/DatabaseTestHelper.php
tests/phpunit/includes/db/LBFactoryTest.php

index 00fb800..eb061d8 100644 (file)
@@ -1085,8 +1085,8 @@ class DatabaseMssql extends DatabaseBase {
        }
 
        /**
-        * @param string|Blob $s
-        * @return string
+        * @param string|int|null|bool|Blob $s
+        * @return string|int
         */
        public function addQuotes( $s ) {
                if ( $s instanceof MssqlBlob ) {
index 9993277..03a12d7 100644 (file)
@@ -204,7 +204,7 @@ abstract class Database implements IDatabase, LoggerAwareInterface {
        /** @var array Map of (name => 1) for locks obtained via lock() */
        private $mNamedLocksHeld = [];
        /** @var array Map of (table name => 1) for TEMPORARY tables */
-       private $mSessionTempTables = [];
+       protected $mSessionTempTables = [];
 
        /** @var IDatabase|null Lazy handle to the master DB this server replicates from */
        private $lazyMasterHandle;
@@ -795,16 +795,19 @@ abstract class Database implements IDatabase, LoggerAwareInterface {
         */
        protected function registerTempTableOperation( $sql ) {
                if ( preg_match(
-                       '/^(CREATE|DROP)\s+TEMPORARY\s+TABLE\s+(?:IF\s+NOT\s+EXISTS\s+)?[`"\']?(\w+)[`"\']?/i',
+                       '/^CREATE\s+TEMPORARY\s+TABLE\s+(?:IF\s+NOT\s+EXISTS\s+)?[`"\']?(\w+)[`"\']?/i',
                        $sql,
                        $matches
                ) ) {
-                       list( , $verb, $table ) = $matches;
-                       if ( $verb === 'CREATE' ) {
-                               $this->mSessionTempTables[$table] = 1;
-                       } else {
-                               unset( $this->mSessionTempTables[$table] );
-                       }
+                       $this->mSessionTempTables[$matches[1]] = 1;
+
+                       return true;
+               } elseif ( preg_match(
+                       '/^DROP\s+(?:TEMPORARY\s+)?TABLE\s+(?:IF\s+EXISTS\s+)?[`"\']?(\w+)[`"\']?/i',
+                       $sql,
+                       $matches
+               ) ) {
+                       unset( $this->mSessionTempTables[$matches[1]] );
 
                        return true;
                } elseif ( preg_match(
@@ -1400,6 +1403,11 @@ abstract class Database implements IDatabase, LoggerAwareInterface {
        }
 
        public function tableExists( $table, $fname = __METHOD__ ) {
+               $tableRaw = $this->tableName( $table, 'raw' );
+               if ( isset( $this->mSessionTempTables[$tableRaw] ) ) {
+                       return true; // already known to exist
+               }
+
                $table = $this->tableName( $table );
                $old = $this->ignoreErrors( true );
                $res = $this->query( "SELECT 1 FROM $table LIMIT 1", $fname );
@@ -2001,6 +2009,8 @@ abstract class Database implements IDatabase, LoggerAwareInterface {
                }
                if ( $s === null ) {
                        return 'NULL';
+               } elseif ( is_bool( $s ) ) {
+                       return (int)$s;
                } else {
                        # This will also quote numeric values. This should be harmless,
                        # and protects against weird problems that occur when they really
index 7abfb17..7f67b6e 100644 (file)
@@ -519,6 +519,11 @@ abstract class DatabaseMysqlBase extends DatabaseBase {
        }
 
        function tableExists( $table, $fname = __METHOD__ ) {
+               $table = $this->tableName( $table, 'raw' );
+               if ( isset( $this->mSessionTempTables[$table] ) ) {
+                       return true; // already known to exist and won't show in SHOW TABLES anyway
+               }
+
                $encLike = $this->buildLike( $table );
 
                return $this->query( "SHOW TABLES $encLike", $fname )->numRows() > 0;
index e468601..fb983bd 100644 (file)
@@ -54,8 +54,6 @@ class DatabaseMysqli extends DatabaseMysqlBase {
         * @throws DBConnectionError
         */
        protected function mysqlConnect( $realServer ) {
-               global $wgDBmysql5;
-
                # Avoid suppressed fatal error, which is very hard to track down
                if ( !function_exists( 'mysqli_init' ) ) {
                        throw new DBConnectionError( $this, "MySQLi functions missing,"
@@ -101,7 +99,7 @@ class DatabaseMysqli extends DatabaseMysqlBase {
                        $realServer = 'p:' . $realServer;
                }
 
-               if ( $wgDBmysql5 ) {
+               if ( $this->utf8Mode ) {
                        // Tell the server we're communicating with it in UTF-8.
                        // This may engage various charset conversions.
                        $mysqli->options( MYSQLI_SET_CHARSET_NAME, 'utf8' );
index e79b28b..69488af 100644 (file)
@@ -1232,8 +1232,8 @@ SQL;
        }
 
        /**
-        * @param null|bool|Blob $s
-        * @return int|string
+        * @param string|int|null|bool|Blob $s
+        * @return string|int
         */
        function addQuotes( $s ) {
                if ( is_null( $s ) ) {
index 6614898..2281f23 100644 (file)
@@ -783,8 +783,8 @@ class DatabaseSqlite extends DatabaseBase {
        }
 
        /**
-        * @param Blob|string $s
-        * @return string
+        * @param string|int|null|bool|Blob $s
+        * @return string|int
         */
        function addQuotes( $s ) {
                if ( $s instanceof Blob ) {
index 25e5912..29a32f5 100644 (file)
@@ -1015,8 +1015,8 @@ interface IDatabase {
        /**
         * Adds quotes and backslashes.
         *
-        * @param string|Blob $s
-        * @return string
+        * @param string|int|null|bool|Blob $s
+        * @return string|int
         */
        public function addQuotes( $s );
 
index cf9a298..d75ba93 100644 (file)
@@ -410,14 +410,14 @@ abstract class LBFactory {
         * This makes sense when lag being waiting on is caused by the code that does this check.
         * In that case, setting "ifWritesSince" can avoid the overhead of waiting for clusters
         * that were not changed since the last wait check. To forcefully wait on a specific cluster
-        * for a given wiki, use the 'wiki' parameter. To forcefully wait on an "external" cluster,
+        * for a given domain, use the 'domain' parameter. To forcefully wait on an "external" cluster,
         * use the "cluster" parameter.
         *
         * Never call this function after a large DB write that is *still* in a transaction.
         * It only makes sense to call this after the possible lag inducing changes were committed.
         *
         * @param array $opts Optional fields that include:
-        *   - wiki : wait on the load balancer DBs that handles the given wiki
+        *   - domain : wait on the load balancer DBs that handles the given domain ID
         *   - cluster : wait on the given external load balancer DBs
         *   - timeout : Max wait time. Default: ~60 seconds
         *   - ifWritesSince: Only wait if writes were done since this UNIX timestamp
@@ -426,19 +426,23 @@ abstract class LBFactory {
         */
        public function waitForReplication( array $opts = [] ) {
                $opts += [
-                       'wiki' => false,
+                       'domain' => false,
                        'cluster' => false,
                        'timeout' => 60,
                        'ifWritesSince' => null
                ];
 
+               if ( $opts['domain'] === false && isset( $opts['wiki'] ) ) {
+                       $opts['domain'] = $opts['wiki']; // b/c
+               }
+
                // Figure out which clusters need to be checked
                /** @var ILoadBalancer[] $lbs */
                $lbs = [];
                if ( $opts['cluster'] !== false ) {
                        $lbs[] = $this->getExternalLB( $opts['cluster'] );
-               } elseif ( $opts['wiki'] !== false ) {
-                       $lbs[] = $this->getMainLB( $opts['wiki'] );
+               } elseif ( $opts['domain'] !== false ) {
+                       $lbs[] = $this->getMainLB( $opts['domain'] );
                } else {
                        $this->forEachLB( function ( ILoadBalancer $lb ) use ( &$lbs ) {
                                $lbs[] = $lb;
index 9c07043..c030cb2 100644 (file)
@@ -136,9 +136,10 @@ class LoadBalancer implements ILoadBalancer {
 
                $this->mReadIndex = -1;
                $this->mConns = [
-                       'local' => [],
+                       'local'       => [],
                        'foreignUsed' => [],
-                       'foreignFree' => [] ];
+                       'foreignFree' => []
+               ];
                $this->mLoads = [];
                $this->mWaitForPos = false;
                $this->mErrorConnection = false;
@@ -598,21 +599,18 @@ class LoadBalancer implements ILoadBalancer {
                        return;
                }
 
-               $dbName = $conn->getDBname();
-               $prefix = $conn->tablePrefix();
-               if ( strval( $prefix ) !== '' ) {
-                       $domain = "$dbName-$prefix";
-               } else {
-                       $domain = $dbName;
-               }
+               $domain = $conn->getDomainID();
                if ( $this->mConns['foreignUsed'][$serverIndex][$domain] !== $conn ) {
-                       throw new InvalidArgumentException( __METHOD__ . ": connection not found, has " .
-                               "the connection been freed already?" );
+                       throw new InvalidArgumentException( __METHOD__ .
+                               ": connection not found, has the connection been freed already?" );
                }
                $conn->setLBInfo( 'foreignPoolRefCount', --$refCount );
                if ( $refCount <= 0 ) {
                        $this->mConns['foreignFree'][$serverIndex][$domain] = $conn;
                        unset( $this->mConns['foreignUsed'][$serverIndex][$domain] );
+                       if ( !$this->mConns['foreignUsed'][$serverIndex] ) {
+                               unset( $this->mConns[ 'foreignUsed' ][$serverIndex] ); // clean up
+                       }
                        $this->connLogger->debug( __METHOD__ . ": freed connection $serverIndex/$domain" );
                } else {
                        $this->connLogger->debug( __METHOD__ .
@@ -707,11 +705,10 @@ class LoadBalancer implements ILoadBalancer {
                        // Reuse a connection from another domain
                        $conn = reset( $this->mConns['foreignFree'][$i] );
                        $oldDomain = key( $this->mConns['foreignFree'][$i] );
-
                        // The empty string as a DB name means "don't care".
                        // DatabaseMysqlBase::open() already handle this on connection.
-                       if ( $dbName !== '' && !$conn->selectDB( $dbName ) ) {
-                               $this->mLastError = "Error selecting database $dbName on server " .
+                       if ( strlen( $dbName ) && !$conn->selectDB( $dbName ) ) {
+                               $this->mLastError = "Error selecting database '$dbName' on server " .
                                        $conn->getServer() . " from client host {$this->host}";
                                $this->mErrorConnection = $conn;
                                $conn = false;
@@ -770,7 +767,7 @@ class LoadBalancer implements ILoadBalancer {
         * @access private
         *
         * @param array $server
-        * @param bool $dbNameOverride
+        * @param string|bool $dbNameOverride Use "" to not select any database
         * @return IDatabase
         * @throws DBAccessError
         * @throws InvalidArgumentException
@@ -1473,6 +1470,17 @@ class LoadBalancer implements ILoadBalancer {
        }
 
        public function setDomainPrefix( $prefix ) {
+               if ( $this->mConns['foreignUsed'] ) {
+                       // Do not switch connections to explicit foreign domains unless marked as free
+                       $domains = [];
+                       foreach ( $this->mConns['foreignUsed'] as $i => $connsByDomain ) {
+                               $domains = array_merge( $domains, array_keys( $connsByDomain ) );
+                       }
+                       $domains = implode( ', ', $domains );
+                       throw new DBUnexpectedError( null,
+                               "Foreign domain connections are still in use ($domains)." );
+               }
+
                $this->localDomain = new DatabaseDomain(
                        $this->localDomain->getDatabase(),
                        null,
diff --git a/resources/src/mediawiki.legacy/images/help-question-hover.gif b/resources/src/mediawiki.legacy/images/help-question-hover.gif
deleted file mode 100644 (file)
index 515138d..0000000
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diff --git a/resources/src/mediawiki.legacy/images/help-question.gif b/resources/src/mediawiki.legacy/images/help-question.gif
deleted file mode 100644 (file)
index b4fc9c5..0000000
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index 84ab8c4..cb4919f 100644 (file)
@@ -657,33 +657,6 @@ ol:lang(or) li {
        direction: ltr;
 }
 
-/* tooltip styles */
-.mw-help-field-hint {
-       display: none;
-       margin-left: 2px;
-       margin-bottom: -8px;
-       padding: 0 0 0 15px;
-       background-image: url( images/help-question.gif );
-       background-position: left center;
-       background-repeat: no-repeat;
-       cursor: pointer;
-       font-size: .8em;
-       text-decoration: underline;
-       color: #0645ad;
-}
-
-.mw-help-field-hint:hover {
-       background-image: url( images/help-question-hover.gif );
-}
-
-.mw-help-field-data {
-       display: block;
-       background-color: #d6f3ff;
-       padding: 5px 8px 4px 8px;
-       border: 1px solid #5dc9f4;
-       margin-left: 20px;
-}
-
 #mw-clearyourcache,
 #mw-sitecsspreview,
 #mw-sitejspreview,
index c2da10e..8169449 100644 (file)
                        this[ this.needToken() ? 'postWithEditToken' : 'post' ]( data, {
                                // Use FormData (if we got here, we know that it's available)
                                contentType: 'multipart/form-data',
+                               // No timeout (default from mw.Api is 30 seconds)
+                               timeout: 0,
                                // Provide upload progress notifications
                                xhr: function () {
                                        var xhr = $.ajaxSettings.xhr();
index 0013685..68bc964 100644 (file)
@@ -827,4 +827,42 @@ class DatabaseSQLTest extends MediaWikiTestCase {
                        ],
                ];
        }
+
+       public function testSessionTempTables() {
+               $temp1 = $this->database->tableName( 'tmp_table_1' );
+               $temp2 = $this->database->tableName( 'tmp_table_2' );
+               $temp3 = $this->database->tableName( 'tmp_table_3' );
+
+               $this->database->query( "CREATE TEMPORARY TABLE $temp1 LIKE orig_tbl", __METHOD__ );
+               $this->database->query( "CREATE TEMPORARY TABLE $temp2 LIKE orig_tbl", __METHOD__ );
+               $this->database->query( "CREATE TEMPORARY TABLE $temp3 LIKE orig_tbl", __METHOD__ );
+
+               $this->assertTrue( $this->database->tableExists( "tmp_table_1", __METHOD__ ) );
+               $this->assertTrue( $this->database->tableExists( "tmp_table_2", __METHOD__ ) );
+               $this->assertTrue( $this->database->tableExists( "tmp_table_3", __METHOD__ ) );
+
+               $this->database->dropTable( 'tmp_table_1', __METHOD__ );
+               $this->database->dropTable( 'tmp_table_2', __METHOD__ );
+               $this->database->dropTable( 'tmp_table_3', __METHOD__ );
+
+               $this->assertFalse( $this->database->tableExists( "tmp_table_1", __METHOD__ ) );
+               $this->assertFalse( $this->database->tableExists( "tmp_table_2", __METHOD__ ) );
+               $this->assertFalse( $this->database->tableExists( "tmp_table_3", __METHOD__ ) );
+
+               $this->database->query( "CREATE TEMPORARY TABLE tmp_table_1 LIKE orig_tbl", __METHOD__ );
+               $this->database->query( "CREATE TEMPORARY TABLE 'tmp_table_2' LIKE orig_tbl", __METHOD__ );
+               $this->database->query( "CREATE TEMPORARY TABLE `tmp_table_3` LIKE orig_tbl", __METHOD__ );
+
+               $this->assertTrue( $this->database->tableExists( "tmp_table_1", __METHOD__ ) );
+               $this->assertTrue( $this->database->tableExists( "tmp_table_2", __METHOD__ ) );
+               $this->assertTrue( $this->database->tableExists( "tmp_table_3", __METHOD__ ) );
+
+               $this->database->query( "DROP TEMPORARY TABLE tmp_table_1 LIKE orig_tbl", __METHOD__ );
+               $this->database->query( "DROP TEMPORARY TABLE 'tmp_table_2' LIKE orig_tbl", __METHOD__ );
+               $this->database->query( "DROP TABLE `tmp_table_3` LIKE orig_tbl", __METHOD__ );
+
+               $this->assertFalse( $this->database->tableExists( "tmp_table_1", __METHOD__ ) );
+               $this->assertFalse( $this->database->tableExists( "tmp_table_2", __METHOD__ ) );
+               $this->assertFalse( $this->database->tableExists( "tmp_table_3", __METHOD__ ) );
+       }
 }
index 4c3ba10..31b692b 100644 (file)
@@ -98,6 +98,11 @@ class DatabaseTestHelper extends DatabaseBase {
        }
 
        public function tableExists( $table, $fname = __METHOD__ ) {
+               $tableRaw = $this->tableName( $table, 'raw' );
+               if ( isset( $this->mSessionTempTables[$tableRaw] ) ) {
+                       return true; // already known to exist
+               }
+
                $this->checkFunctionName( $fname );
 
                return in_array( $table, (array)$this->tablesExists );
index adf8a40..d72768d 100644 (file)
@@ -272,6 +272,7 @@ class LBFactoryTest extends MediaWikiTestCase {
 
                /** @var DatabaseBase $db */
                $db = $lb->getConnection( DB_MASTER, [], '' );
+               $lb->reuseConnection( $db ); // don't care
 
                $this->assertEquals(
                        '',
@@ -323,6 +324,7 @@ class LBFactoryTest extends MediaWikiTestCase {
                $lb = $factory->getMainLB();
                /** @var DatabaseBase $db */
                $db = $lb->getConnection( DB_MASTER, [], '' );
+               $lb->reuseConnection( $db ); // don't care
 
                $this->assertEquals(
                        '',