| From: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
|---|---|
| To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>, "Robert Haas" <robertmhaas(at)gmail(dot)com>, "Peter Eisentraut" <peter_e(at)gmx(dot)net>, "Jeff Davis" <pgsql(at)j-davis(dot)com>, "Greg Stark" <gsstark(at)mit(dot)edu>,<pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Patch for 8.5, transformationHook |
| Date: | 2009-08-10 20:14:06 |
| Message-ID: | 4A80393E02000025000297BC@gw.wicourts.gov |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
I wrote:
> COALESCE(a, b)
>
> should be treated identically to:
>
> CASE WHEN a IS NULL THEN a ELSE b END
In case it's not obvious that the above has a typo, I meant:
CASE WHEN a IS NOT NULL THEN a ELSE b END
-Kevin
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