WITH sample AS (
SELECT JSON '[{"day_of_week": "SUNDAY", "from": "06:00:00", "to": "15:00:00"}]' as json_data
)
SELECT
JSON_EXTRACT_SCALAR(j.day_of_week) as day_of_week,
JSON_EXTRACT_SCALAR(j.from) as `from`,
JSON_EXTRACT_SCALAR(j.to) as `to`
FROM sample, UNNEST(JSON_EXTRACT_ARRAY(sample.json_data)) j
要將
JSON
列轉換為STRING
,您可以使用JSON_EXTRACT_SCALAR
函數。範例:輸出結果:
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