Re: confusing `case when` column name
От | Tom Lane |
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Тема | Re: confusing `case when` column name |
Дата | |
Msg-id | 1670513.1710253152@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Re: confusing `case when` column name ("David G. Johnston" <david.g.johnston@gmail.com>) |
Ответы |
Re: confusing `case when` column name
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Список | pgsql-hackers |
"David G. Johnston" <david.g.johnston@gmail.com> writes: > On Tuesday, March 12, 2024, adjkldd@126.com <winterloo@126.com> wrote: >> Nee we change the title of the case-when output column? > Choosing either a or b as the label seems wrong and probably worth changing > to something that has no meaning and encourages the application of a column > alias. Yeah, we won't get any kudos for changing a rule that's stood for 25 years, even if it's not very good. This is one of the places where it's just hard to make a great choice automatically, and users are probably going to end up applying an AS clause most of the time if they care about the column name at all. regards, tom lane
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