PostgreSQL按年月日分组(关键词:extract time as Year/Month/Day)
2024-09-02 12:11:19
Select
EXTRACT(year from cast(joindate as timestamp)) as Year,
EXTRACT(month from cast(joindate as timestamp)) as Month,
EXTRACT(day from cast(joindate as timestamp)) as Day,
......
From Table
Group by Year,Month,Day
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