diff --git a/includes/SchemaHooks.php b/includes/SchemaHooks.php
index a3f58ec6..8559f38a 100644
--- a/includes/SchemaHooks.php
+++ b/includes/SchemaHooks.php
@@ -29,45 +29,21 @@ class SchemaHooks implements LoadExtensionSchemaUpdatesHook {
 	 */
 	public function onLoadExtensionSchemaUpdates( $updater ) {
 		$dbType = $updater->getDB()->getType();
-		if ( $dbType === 'mysql' ) {
-			$updater->addExtensionTable( 'linter',
-				dirname( __DIR__ ) . '/sql/tables-generated.sql'
-			);
-			$updater->addExtensionField( 'linter', 'linter_namespace',
-				dirname( __DIR__ ) . '/sql/patch-linter-add-namespace.sql'
-			);
-			$updater->addExtensionField( 'linter', 'linter_template',
-				dirname( __DIR__ ) . '/sql/patch-linter-template-tag-fields.sql'
-			);
-			$updater->modifyExtensionField( 'linter', 'linter_params',
-				dirname( __DIR__ ) . '/sql/patch-linter-fix-params-null-definition.sql'
-			);
-		} elseif ( $dbType === 'sqlite' ) {
-			$updater->addExtensionTable( 'linter',
-				dirname( __DIR__ ) . '/sql/sqlite/tables-generated.sql'
-			);
-			$updater->addExtensionField( 'linter', 'linter_namespace',
-				dirname( __DIR__ ) . '/sql/sqlite/patch-linter-add-namespace.sql'
-			);
-			$updater->addExtensionField( 'linter', 'linter_template',
-				dirname( __DIR__ ) . '/sql/sqlite/patch-linter-template-tag-fields.sql'
-			);
-			$updater->modifyExtensionField( 'linter', 'linter_params',
-				dirname( __DIR__ ) . '/sql/sqlite/patch-linter-fix-params-null-definition.sql'
-			);
-		} elseif ( $dbType === 'postgres' ) {
-			$updater->addExtensionTable( 'linter',
-				dirname( __DIR__ ) . '/sql/postgres/tables-generated.sql'
-			);
-			$updater->addExtensionField( 'linter', 'linter_namespace',
-				dirname( __DIR__ ) . '/sql/postgres/patch-linter-add-namespace.sql'
-			);
-			$updater->addExtensionField( 'linter', 'linter_template',
-				dirname( __DIR__ ) . '/sql/postgres/patch-linter-template-tag-fields.sql'
-			);
-			$updater->modifyExtensionField( 'linter', 'linter_params',
-				dirname( __DIR__ ) . '/sql/postgres/patch-linter-fix-params-null-definition.sql'
-			);
-		}
+		$dir = dirname( __DIR__ );
+		$updater->addExtensionTable( 'linter',
+			"{$dir}/sql/{$dbType}/tables-generated.sql"
+		);
+		// 1.38
+		$updater->addExtensionField( 'linter', 'linter_namespace',
+			"{$dir}/sql/{$dbType}/patch-linter-add-namespace.sql"
+		);
+		// 1.38
+		$updater->addExtensionField( 'linter', 'linter_template',
+			"{$dir}/sql/{$dbType}/patch-linter-template-tag-fields.sql"
+		);
+		// 1.40
+		$updater->modifyExtensionField( 'linter', 'linter_params',
+			"{$dir}/sql/{$dbType}/patch-linter-fix-params-null-definition.sql"
+		);
 	}
 }
diff --git a/sql/patch-linter-add-namespace.sql b/sql/mysql/patch-linter-add-namespace.sql
similarity index 100%
rename from sql/patch-linter-add-namespace.sql
rename to sql/mysql/patch-linter-add-namespace.sql
diff --git a/sql/patch-linter-fix-params-null-definition.sql b/sql/mysql/patch-linter-fix-params-null-definition.sql
similarity index 100%
rename from sql/patch-linter-fix-params-null-definition.sql
rename to sql/mysql/patch-linter-fix-params-null-definition.sql
diff --git a/sql/patch-linter-template-tag-fields.sql b/sql/mysql/patch-linter-template-tag-fields.sql
similarity index 100%
rename from sql/patch-linter-template-tag-fields.sql
rename to sql/mysql/patch-linter-template-tag-fields.sql
diff --git a/sql/tables-generated.sql b/sql/mysql/tables-generated.sql
similarity index 100%
rename from sql/tables-generated.sql
rename to sql/mysql/tables-generated.sql