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我有两个疑问这应该是工会(与laravel雄辩),但有一个名为group_date重复列在查询和我应该给他们一个联盟两个SQL查询有一个相同的列(使用机锋)
SELECT
to_char(CREATE_UTC_DATETIME, 'yyyy-mm-dd') AS group_date,
COUNT(*) AS successful_transaction
FROM "REPORT_EVENTS"
WHERE "RESULT_CODE" = '0' AND "EVENT_TYPE" = 'BILL'
GROUP BY to_char(CREATE_UTC_DATETIME, 'yyyy-mm-dd')
ORDER BY "GROUP_DATE" DESC
SELECT
to_char(CREATE_UTC_DATETIME, 'yyyy-mm-dd') AS group_date,
COUNT(*) AS unsuccessful_transaction
FROM "REPORT_EVENTS"
WHERE "RESULT_CODE" = '1' AND "EVENT_TYPE" = 'BILL'
GROUP BY to_char(CREATE_UTC_DATETIME, 'yyyy-mm-dd')
ORDER BY "GROUP_DATE" DESC
想要实现什么?加入上述查询或得到它们的联合? – mehran
其实我想得到联合结果,最后我应该有三列1-Group_date 2-successful_transaction 3-unsuccessful_transaction –
从概念上讲,union的结果与底层查询具有相同的列,但是根据您寻找的结果,似乎你需要加入你的查询。你的问题不清楚。 – mehran