17.10 - 例: Avroレコード内のキー名の変更 - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - DATASETデータ型

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
2021年7月
Content Type
プログラミング リファレンス
Publication ID
B035-1198-171K-JPN
Language
日本語 (日本)

Avroレコード内のキー名を変更するには、SCHEMAカスタム句を使用します。

SELECT data.toJSON() FROM CSV_TO_AVRO
(
	ON (SELECT csvFile FROM myCSVTable09 WHERE id=2)
	USING SCHEMA('{"record_delimiter":"#", "field_names": ["a1","a2","a3","a4","a5","a6","a7"]}')
) AS csvAvro ORDER BY data."a1";

> {"a1":"105","a2":"soap","a3":null,"a4":null,"a5":"1","a6":"0.99","a7":"0.99"}
> {"a1":"55","a2":"bicycle","a3":"red","a4":"boys","a5":"1","a6":"100.00","a7":"100.00"}
> {"a1":"88","a2":"toy boat","a3":"pink","a4":null,"a5":"1","a6":"15.10","a7":"15.10"}
> {"a1":"Item_ID","a2":"Item_Name","a3":"Item_Color","a4":"Item_Style","a5":"Quantity_Purchased","a6":"Item_Price","a7":"Total_Price"}