@Override
	public int hashCode() {
		return Objects.hash(
			typeInfo,
			csvSchema.getColumnSeparator(),
			csvSchema.getLineSeparator(),
			csvSchema.getArrayElementSeparator(),
			csvSchema.getQuoteChar(),
			csvSchema.getEscapeChar(),
			csvSchema.getNullValue());
	}
Creates a {@link CsvRowSerializationSchema} expecting the given {@link TypeInformation}.

@param typeInfo type information used to create schema.
kafka-base/kafka-base-sink/src/main/java/com/dtstack/flink/sql/sink/kafka/serialization/CsvTupleSerializationSchema.java