import java.util.Properties
// Create Properties object for write function
val properties = new Properties();
var url = "jdbc:postgresql://<host>:<port>/<database>"
var table_name = "<table name>"
var driver = "org.postgresql.Driver" // Do not change
properties.setProperty("driver", driver);
properties.setProperty("user", user);
properties.setProperty("password", pass);
// If the DataFrame contains the Primary Key field (in this case 'id'), must drop this before calling 'df.write' to avoid primary key collision
// Write SparkSQL DataFrame to PostgreSQL table
data.write.mode("append").jdbc(url, table_name, properties)