Fix binding bigint values in postgres backend

extras/drift_postgres/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.2.3
+
+- Fix binding `BigInt` variables.
+
 ## 1.2.2
 
 - Fix parameter binding when NULL is provided.

extras/drift_postgres/lib/src/pg_database.dart

@@ -169,11 +169,14 @@ class _BoundArguments {
         return switch (value) {
           TypedValue() => value,
           null => TypedValue(Type.unspecified, null),
-          int() || BigInt() => TypedValue(Type.bigInteger, value),
+          int() => TypedValue(Type.bigInteger, value),
           String() => TypedValue(Type.text, value),
           bool() => TypedValue(Type.boolean, value),
           double() => TypedValue(Type.double, value),
           List<int>() => TypedValue(Type.byteArray, value),
+          // Drift's BigInts are also just 64bit, we just support them to
+          // represent large numbers on the web.
+          BigInt() => TypedValue(Type.bigInteger, value.rangeCheckedToInt()),
           _ => throw ArgumentError.value(value, 'value', 'Unsupported type'),
         };
       },
@@ -215,3 +218,20 @@ class _PgVersionDelegate extends DynamicVersionDelegate {
     );
   }
 }
+
+extension on BigInt {
+  static final _bigIntMinValue64 = BigInt.from(-9223372036854775808);
+  static final _bigIntMaxValue64 = BigInt.from(9223372036854775807);
+
+  int rangeCheckedToInt() {
+    if (this < _bigIntMinValue64 || this > _bigIntMaxValue64) {
+      throw ArgumentError.value(
+        this,
+        'this',
+        'Should be in signed 64bit range ($_bigIntMinValue64..=$_bigIntMaxValue64)',
+      );
+    }
+
+    return toInt();
+  }
+}

extras/drift_postgres/pubspec.yaml

@@ -1,6 +1,6 @@
 name: drift_postgres
 description: Postgres implementation and APIs for the drift database package.
-version: 1.2.2
+version: 1.2.3
 repository: https://github.com/simolus3/drift
 homepage: https://drift.simonbinder.eu/docs/platforms/postgres/
 issue_tracker: https://github.com/simolus3/drift/issues

extras/drift_postgres/test/types_test.dart

@@ -84,4 +84,14 @@ void main() {
             .isBiggerOrEqualValue(moonLanding)),
         isTrue);
   });
+
+  test('bigint', () async {
+    expect(await eval(Variable<BigInt>(BigInt.two)), BigInt.two);
+
+    await expectLater(
+      eval(Variable<BigInt>(BigInt.parse('9223372036854775808'))),
+      throwsArgumentError,
+      reason: 'Out of range',
+    );
+  });
 }