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PostgreSQLResultRow, get data

Sore Sardine answered on July 28, 2023 Popularity 1/10 Helpfulness 1/10

answer PostgreSQLResultRow, get data

PostgreSQLResultRow, get data

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import 'package:flutter/material.dart';
import 'package:postgres/postgres.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: PostgresDataScreen(),
    );
  }
}

class PostgresDataScreen extends StatefulWidget {
  @override
  _PostgresDataScreenState createState() => _PostgresDataScreenState();
}

class _PostgresDataScreenState extends State<PostgresDataScreen> {
  List<Map<String, dynamic>> _dataList = [];

  Future<void> _getData() async {
    final connection = PostgreSQLConnection(
      'your_host',
      5432,
      'your_database',
      username: 'your_username',
      password: 'your_password',
    );

    try {
      await connection.open();

      // Execute the SELECT query
      final results = await connection.query('SELECT * FROM your_table');
      setState(() {
        _dataList = results.map((row) => row.toMap()).toList();
      });
    } catch (e) {
      print('Error while connecting to the database: $e');
      setState(() {
        _dataList = [];
      });
    } finally {
      await connection.close();
      print('Connection closed');
    }
  }

  @override
  void initState() {
    super.initState();
    _getData();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('PostgreSQL Flutter App'),
      ),
      body: _dataList.isEmpty
          ? Center(child: CircularProgressIndicator())
          : ListView.builder(
              itemCount: _dataList.length,
              itemBuilder: (context, index) {
                final rowData = _dataList[index];
                // Customize the UI to show the data as needed
                return ListTile(
                  title: Text('ID: ${rowData['id']}'),
                  subtitle: Text('Name: ${rowData['name']}'),
                );
              },
            ),
    );
  }
}

Popularity 1/10 Helpfulness 1/10 Language dart

Source: chat.openai.com

Tags: dart get

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Contributed on Jul 28 2023

Sore Sardine

0 Answers Avg Quality 2/10

PostgreSQLResultRow, get data

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