Postgres Jdbc Driver May 2026

A type 4 JDBC driver that allows Java applications to connect to a PostgreSQL database using standard JDBC APIs. It translates JDBC calls into PostgreSQL's wire protocol (libpq).

pstmt.setObject(1, UUID.randomUUID()); UUID id = rs.getObject("id", UUID.class); 5.1 HikariCP (Best Performance) <dependency> <groupId>com.zaxxer</groupId> <artifactId>HikariCP</artifactId> <version>5.1.0</version> </dependency> HikariConfig config = new HikariConfig(); config.setJdbcUrl("jdbc:postgresql://localhost/mydb"); config.setUsername("user"); config.setPassword("pass"); config.setMaximumPoolSize(10); config.setMinimumIdle(5); config.setConnectionTimeout(30000); config.setIdleTimeout(600000); config.setPoolName("PostgresPool"); HikariDataSource dataSource = new HikariDataSource(config); postgres jdbc driver

// Store JSON PGobject jsonObj = new PGobject(); jsonObj.setType("json"); jsonObj.setValue("\"key\": \"value\""); pstmt.setObject(1, jsonObj); // Read JSON String jsonStr = rs.getString("data"); A type 4 JDBC driver that allows Java

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// Store array Integer[] intArray = 1, 2, 3; Array array = conn.createArrayOf("integer", intArray); pstmt.setArray(1, array); // Read array Array resultArray = rs.getArray("int_array"); Integer[] values = (Integer[]) resultArray.getArray(); AND city =

jdbc:postgresql://localhost/mydb?ssl=true&sslmode=require¤tSchema=public&connectTimeout=10&ApplicationName=MyJavaApp 4.1 Query Execution // Statement try (Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT id, name FROM users")) while (rs.next()) int id = rs.getInt("id"); String name = rs.getString("name");

// PreparedStatement (preferred) String sql = "SELECT * FROM users WHERE age > ? AND city = ?"; try (PreparedStatement pstmt = conn.prepareStatement(sql)) pstmt.setInt(1, 18); pstmt.setString(2, "Paris"); ResultSet rs = pstmt.executeQuery();