MWSearch/luceneUpdate.php
154:		$stream = new DatabaseMysql( $db->mServer, $db->mUser, $db->mPassword, $wgDBname );

ContributionReporting/ContributionReporting.php
176: * @return DatabaseMysql
185:		$db = new DatabaseMysql(
199: * @return DatabaseMysql
208:		$db = new DatabaseMysql(
221: * @return DatabaseMysql
230:		$db = new DatabaseMysql(

SemanticExtraSpecialProperties/tests/phpunit/Unit/Annotator/ExtraPropertyAnnotatorTest.php
134:		$connection = $this->getMockBuilder( 'DatabaseMysql' )

OdbcDatabase/OdbcDatabase.body.php
256:	function indexInfo( $table, $index, $fname = 'DatabaseMysql::indexInfo' ) {

MathSearch/maintenance/GenerateFeatureTable.php
27:	/** @type DatabaseMysql */

MathSearch/maintenance/ExtractFeatures.php
30:	/** @type DatabaseMysql */

Flow/includes/Repository/TreeRepository.php
109:				if ( defined( 'MW_PHPUNIT_TEST' ) && $dbw instanceof \DatabaseMysqlBase ) {

Flow/tests/phpunit/WatchedTopicItemsTest.php
75:		$db = $this->getMockBuilder( '\DatabaseMysql' )

Flow/tests/phpunit/Repository/TreeRepositoryTest.php
75:		$db = $this->getMockBuilder( '\DatabaseMysql' )

Flow/tests/phpunit/Data/Storage/RevisionStorageTest.php
160:		$dbw = $this->getMockBuilder( 'DatabaseMysql' )
394:		$dbw = $this->getMockBuilder( 'DatabaseMysql' )

Wikibase/repo/tests/phpunit/includes/Store/Sql/WikiPageEntityRedirectLookupTest.php
5:use DatabaseMysql;
177:	 * @return DatabaseMysql
180:		$db = $this->getMockBuilder( DatabaseMysql::class )

Wikibase/repo/tests/phpunit/includes/Store/Sql/DatabaseSchemaUpdaterTest.php
5:use DatabaseMysql;
28:		$db = $this->getMockBuilder( DatabaseMysql::class )

EducationProgram/tests/phpunit/Store/CourseStoreTest.php
53:		$database = $this->getMockBuilder( 'DatabaseMysql' )
111:		$database = $this->getMockBuilder( 'DatabaseMysql' )
127:		$database = $this->getMockBuilder( 'DatabaseMysql' )

Wikidata/extensions/Wikibase/repo/tests/phpunit/includes/Store/Sql/WikiPageEntityRedirectLookupTest.php
5:use DatabaseMysql;
177:	 * @return DatabaseMysql
180:		$db = $this->getMockBuilder( DatabaseMysql::class )

Wikidata/extensions/Wikibase/repo/tests/phpunit/includes/Store/Sql/DatabaseSchemaUpdaterTest.php
5:use DatabaseMysql;
28:		$db = $this->getMockBuilder( DatabaseMysql::class )

Echo/tests/phpunit/gateway/UserNotificationGatewayTest.php
96:	 * Mock object of DatabaseMysql ( DatabaseBase )
105:		$db = $this->getMockBuilder( 'DatabaseMysql' )

Echo/tests/phpunit/mapper/NotificationMapperTest.php
217:	 * Mock object of DatabaseMysql ( DatabaseBase )
227:		$db = $this->getMockBuilder( 'DatabaseMysql' )

Echo/tests/phpunit/mapper/EventMapperTest.php
131:	 * Mock object of DatabaseMysql ( DatabaseBase )
141:		$db = $this->getMockBuilder( 'DatabaseMysql' )

Echo/tests/phpunit/mapper/TargetPageMapperTest.php
148:	 * Mock object of DatabaseMysql ( DatabaseBase )
158:		$db = $this->getMockBuilder( 'DatabaseMysql' )

MassAction/tests/phpunit/MassActionDbTest.php
17:		//Note: Using DatabaseMysqli as DatabaseBase contains abstract stuff
18:		$mock = $this->getMockBuilder( 'DatabaseMysqli' )