更新时间:2024-04-18 GMT+08:00
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INTERVAL

MySQL中使用interval表达式格式为INTERVAL N时间单位,DWS不支持,需要转换为INTERVAL 'N'时间单位。

输入示例

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SELECT CURRENT_TIME() - INTERVAL 4 DAY;
SELECT NOW() - INTERVAL 5 HOUR;
SELECT CURRENT_TIME() - INTERVAL '4' DAY;
SELECT NOW() - INTERVAL '5' HOUR;
SELECT CURRENT_TIME() - INTERVAL "4" DAY;
SELECT NOW() - INTERVAL "5" HOUR;

输出示例

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SELECT  (CURRENT_TIME () - INTERVAL '4' DAY);
SELECT  (NOW () - INTERVAL '5' HOUR);
SELECT  (CURRENT_TIME () - INTERVAL '4' DAY);
SELECT  (NOW () - INTERVAL '5' HOUR);
SELECT  (CURRENT_TIME () - INTERVAL '4' DAY);
SELECT  (NOW () - INTERVAL '5' HOUR);
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