Re: count_nulls(VARIADIC "any")
| От | Jim Nasby |
|---|---|
| Тема | Re: count_nulls(VARIADIC "any") |
| Дата | |
| Msg-id | 565222DE.1000109@BlueTreble.com обсуждение исходный текст |
| Ответ на | Re: count_nulls(VARIADIC "any") (Marko Tiikkaja <marko@joh.to>) |
| Ответы |
Re: count_nulls(VARIADIC "any")
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| Список | pgsql-hackers |
On 11/22/15 11:34 AM, Marko Tiikkaja wrote: > On 2015-11-22 18:29, Jim Nasby wrote: >> Only if you know how many columns there already are. >> >> Or does this not work if you hand it a row? > > It "works" in the sense that it tells you whether the row is NULL or > not. I.e. the answer will always be 0 or 1. Hrm, I was hoping something like count_nulls(complex_type.*) would work. I guess one could always create a wrapper function that does count_not_nulls() anyway. -- Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX Experts in Analytics, Data Architecture and PostgreSQL Data in Trouble? Get it in Treble! http://BlueTreble.com
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