Fix aliases for views

drift/lib/src/runtime/api/connection_user.dart

@@ -71,7 +71,7 @@ abstract class DatabaseConnectionUser {
   ///   innerJoin(destination, routes.startPoint.equalsExp(destination.id)),
   /// ]);
   /// ```
-  T alias<T extends Table, D>(TableInfo<T, D> table, String alias) {
+  T alias<T, D>(ResultSetImplementation<T, D> table, String alias) {
     return table.createAlias(alias).asDslTable;
   }
 

drift/test/generated/custom_tables.g.dart

@@ -1761,10 +1761,20 @@ abstract class _$CustomTablesDb extends GeneratedDatabase {
     });
   }
 
-  Selectable<MyViewData> readView() {
-    return customSelect('SELECT * FROM my_view', variables: [], readsFrom: {
-      config,
-    }).asyncMap(myView.mapFromRow);
+  Selectable<MyViewData> readView({ReadView$where? where}) {
+    var $arrayStartIndex = 1;
+    final generatedwhere = $write(
+        where?.call(this.myView) ?? const CustomExpression('(TRUE)'),
+        startIndex: $arrayStartIndex);
+    $arrayStartIndex += generatedwhere.amountOfVariables;
+    return customSelect('SELECT * FROM my_view WHERE ${generatedwhere.sql}',
+        variables: [
+          ...generatedwhere.introducedVariables
+        ],
+        readsFrom: {
+          config,
+          ...generatedwhere.watchedTables,
+        }).asyncMap(myView.mapFromRow);
   }
 
   Selectable<int> cfeTest() {
@@ -1966,6 +1976,7 @@ class ReadRowIdResult extends CustomResultSet {
 }
 
 typedef ReadRowId$expr = Expression<int> Function(ConfigTable config);
+typedef ReadView$where = Expression<bool> Function(MyView my_view);
 
 class NestedResult extends CustomResultSet {
   final WithDefault defaults;

drift/test/generated/tables.drift

@@ -80,7 +80,7 @@ searchEmails(REQUIRED :term AS TEXT OR NULL): SELECT * FROM email WHERE email MA
 
 readRowId: SELECT oid, * FROM config WHERE _rowid_ = $expr;
 
-readView: SELECT * FROM my_view;
+readView($where = TRUE): SELECT * FROM my_view WHERE $where;
 
 cfeTest: WITH RECURSIVE
   cnt(x) AS (

drift/test/integration_tests/drift_files_integration_test.dart

@@ -56,6 +56,28 @@ void main() {
       return expectLater(db.readView().get(), completion(isEmpty));
     });
 
+    test('can be selected from with predicates', () async {
+      await db.update(db.config).write(
+            const ConfigCompanion(
+              configKey: Value('k'),
+              syncState: Value(SyncType.synchronized),
+            ),
+          );
+
+      var rows = await db
+          .readView(where: (v) => v.configKey.length.isBiggerOrEqualValue(3))
+          .get();
+      expect(rows, isEmpty);
+
+      await db
+          .update(db.config)
+          .write(const ConfigCompanion(configKey: Value('key')));
+      rows = await db
+          .readView(where: (v) => v.configKey.length.isBiggerOrEqualValue(3))
+          .get();
+      expect(rows, isNotEmpty);
+    });
+
     test('can be selected from dart', () async {
       await db.update(db.config).write(
           const ConfigCompanion(syncState: Value(SyncType.synchronized)));