in GlueCustomConnectors/development/Spark/SparkConnectorMySQL.scala [150:159]
def get(): InternalRow = {
val values = columns.map {
case "id" => rs.getInt("id")
case "emp_name" => UTF8String.fromString(rs.getString("emp_name"))
case "dep_name" => UTF8String.fromString(rs.getString("dep_name"))
case "salary" => Decimal(rs.getBigDecimal("salary"))
case "age" => Decimal(rs.getBigDecimal("age"))
}
InternalRow.fromSeq(values)
}