Created
October 10, 2013 07:08
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下限、上限が共に閉じてる Range 型に対して lower と upper をかけたときの挙動が気になる。
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| -- PostgreSQL 9.2 以降で動く | |
| select lower(daterange('2013-08-01', '2013-08-31', '[]')) | |
| ,upper(daterange('2013-08-01', '2013-08-31', '[]')) | |
| ; | |
| -- lower | upper | |
| --------------+------------ | |
| -- 2013-08-01 | 2013-09-01 |
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