Updated postgresql pool

packages/orm/angel_orm_postgres/CHANGELOG.md

@@ -3,9 +3,9 @@
 ## 8.1.0
 
 * Updated repository links
-* Updated `postgres` to 3.0.0
 * Updated `lints` to 3.0.0
 * Fixed linter warnings
+* [BREAKING] Updated `postgres` to 3.0.0
 
 ## 8.0.0
 

packages/orm/angel_orm_postgres/README.md

@@ -12,3 +12,7 @@ PostgreSQL support for Angel3 ORM.
 * PostgreSQL version 10 or greater
 
 For documentation about the ORM, see [Developer Guide](https://angel3-docs.dukefirehawk.com/guides/orm)
+
+## Migration
+
+Posrgresql is upgraded from 2.x.x to 3.x.x in version 8.1.0.

packages/orm/angel_orm_postgres/example/main.dart

@@ -1,19 +1,19 @@
 import 'dart:io';
 import 'package:angel3_orm_postgres/angel3_orm_postgres.dart';
+import 'package:postgres/postgres.dart';
 
 void main() async {
-  var executor = PostgreSqlPoolExecutor(PgPool(
+  var executor = PostgreSqlPoolExecutor(Pool.withEndpoints([
-    PgEndpoint(
+    Endpoint(
       host: 'localhost',
       port: 5432,
       database: Platform.environment['POSTGRES_DB'] ?? 'orm_test',
       username: Platform.environment['POSTGRES_USERNAME'] ?? 'test',
       password: Platform.environment['POSTGRES_PASSWORD'] ?? 'test123',
-    ),
+    )
-    settings: PgPoolSettings()
+  ],
-      ..maxConnectionAge = Duration(hours: 1)
+      settings: PoolSettings(
-      ..concurrency = 5,
+          maxConnectionAge: Duration(hours: 1), maxConnectionCount: 5)));
-  ));
 
   var rows = await executor.query('users', 'SELECT * FROM users', {});
   print(rows);

packages/orm/angel_orm_postgres/lib/src/orm_postgres.dart

@@ -105,13 +105,13 @@ class PostgreSqlExecutor extends QueryExecutor {
 
     var conn = _session as Connection;
 
-    return await conn.runTx((ctx) async {
+    return await conn.runTx((session) async {
       try {
         //logger.fine('Entering transaction');
-        var tx = PostgreSqlExecutor(ctx, logger: logger);
+        var exec = PostgreSqlExecutor(session, logger: logger);
-        return await f(tx);
+        return await f(exec);
       } catch (e) {
-        ctx.rollback();
+        session.rollback();
         //ctx.cancelTransaction(reason: e.toString());
         logger.warning("The transation has failed due to ", e);
         rethrow;

packages/orm/angel_orm_postgres/lib/src/orm_postgres_pool.dart

@@ -2,13 +2,13 @@ import 'dart:async';
 import 'dart:convert';
 import 'package:angel3_orm/angel3_orm.dart';
 import 'package:logging/logging.dart';
-import 'package:postgres_pool/postgres_pool.dart';
+import 'package:postgres/postgres.dart';
 
 import '../angel3_orm_postgres.dart';
 
 /// A [QueryExecutor] that uses `package:postgres_pool` for connetions pooling.
 class PostgreSqlPoolExecutor extends QueryExecutor {
-  final PgPool _pool;
+  final Pool _pool;
 
   /// An optional [Logger] to print information to.
   late Logger logger;
@@ -23,7 +23,7 @@ class PostgreSqlPoolExecutor extends QueryExecutor {
   Dialect get dialect => _dialect;
 
   /// The underlying connection pooling.
-  PgPool get pool => _pool;
+  Pool get pool => _pool;
 
   /// Closes all the connections in the pool.
   Future<dynamic> close() {
@@ -32,7 +32,7 @@ class PostgreSqlPoolExecutor extends QueryExecutor {
 
   /// Run query.
   @override
-  Future<PostgreSQLResult> query(
+  Future<Result> query(
       String tableName, String query, Map<String, dynamic> substitutionValues,
       {String returningQuery = '', List<String> returningFields = const []}) {
     if (returningFields.isNotEmpty) {
@@ -54,16 +54,16 @@ class PostgreSqlPoolExecutor extends QueryExecutor {
       }
     });
 
-    return _pool.run<PostgreSQLResult>((pgContext) async {
+    return _pool.run<Result>((session) async {
-      return await pgContext.query(query, substitutionValues: param);
+      return await session.execute(Sql.named(query), parameters: param);
     });
   }
 
   /// Run query in a transaction.
   @override
   Future<T> transaction<T>(FutureOr<T> Function(QueryExecutor) f) async {
-    return _pool.runTx((pgContext) async {
+    return _pool.runTx((session) async {
-      var exec = PostgreSqlExecutor(pgContext, logger: logger);
+      var exec = PostgreSqlExecutor(session, logger: logger);
       return await f(exec);
     });
   }

packages/orm/angel_orm_postgres/test/common.dart

@@ -9,9 +9,6 @@ FutureOr<QueryExecutor> Function() pg(Iterable<String> schemas) {
   // Use single connection
   return () => connectToPostgres(schemas);
 
-  // Use connection pooling with 1 connection
-  //return () => connectToPostgresPool(schemas);
-
   // Use PostgreSqlExecutorPool (Not working)
   //return () => connectToPostgresPool1(schemas);
 }
@@ -38,47 +35,26 @@ Future<PostgreSqlExecutor> connectToPostgres(Iterable<String> schemas) async {
   return PostgreSqlExecutor(conn, logger: Logger.root);
 }
 
-Future<PostgreSqlExecutorPool> connectToPostgresPool1(
-    Iterable<String> schemas) async {
-  PostgreSQLConnection connectionFactory() {
-    return PostgreSQLConnection(
-        'localhost', 5432, Platform.environment['POSTGRES_DB'] ?? 'orm_test',
-        username: Platform.environment['POSTGRES_USERNAME'] ?? 'test',
-        password: Platform.environment['POSTGRES_PASSWORD'] ?? 'test123');
-  }
-
-  PostgreSQLConnection conn = connectionFactory();
-  await conn.open();
-
-  // Run sql to create the tables
-  for (var s in schemas) {
-    await conn.execute(await File('test/migrations/$s.sql').readAsString());
-  }
-
-  return PostgreSqlExecutorPool(5, connectionFactory, logger: Logger.root);
-}
-
 Future<PostgreSqlPoolExecutor> connectToPostgresPool(
     Iterable<String> schemas) async {
-  var dbPool = PgPool(
+  var dbPool = Pool.withEndpoints([
-    PgEndpoint(
+    Endpoint(
       host: 'localhost',
       port: 5432,
       database: Platform.environment['POSTGRES_DB'] ?? 'orm_test',
       username: Platform.environment['POSTGRES_USERNAME'] ?? 'test',
       password: Platform.environment['POSTGRES_PASSWORD'] ?? 'test123',
-    ),
+    )
-    settings: PgPoolSettings()
+  ],
-      ..maxConnectionAge = Duration(hours: 1)
+      settings: PoolSettings(
-      ..concurrency = 200,
+          maxConnectionAge: Duration(hours: 1), maxConnectionCount: 5));
-  );
 
   // Run sql to create the tables in a transaction
-  //await _pool.runTx((conn) async {
+  await dbPool.runTx((conn) async {
-  //  for (var s in schemas) {
+    for (var s in schemas) {
-  //    await conn.execute(await File('test/migrations/$s.sql').readAsString());
+      await conn.execute(await File('test/migrations/$s.sql').readAsString());
-  //  }
+    }
-  //});
+  });
 
   return PostgreSqlPoolExecutor(dbPool, logger: Logger.root);
 }