Re: [sqlite] Feature request: (VALUES (1), (2), (3)) AS t(n)

[Ainar Garipov]

(Hopefully this works.)

> How about something like:
>
> with t(a, b) as (values (1, 1), (2, 2)) select a, b from t;

Yeah, CTEs are an obvious alternative.  I mostly request this AS t(n)
feature because I have had some otherwise-portable PostgreSQL queries
that I needed to tweak for SQLite.  The thing with PostgreSQL is that
until very recently CTEs would generally perform worse than sub-queries,
so a lot of people avoided it.  My SQLite version used CTEs with no
issues, but still I thought I might as well request the feature, to
improve compatibility.
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[sqlite] Feature request: (VALUES (1), (2), (3)) AS t(n)

[Ainar Garipov]

Good day!  It's my first time writing to a mail list for a very long
time, so I may not get this right the first time.

I would like to request the ability to write:

  SELECT *
FROM (VALUES (1, 1), (2, 2)) AS t(a, b)
  ;

Instead of:

  SELECT t.column1 AS a, t.column2 AS b
FROM (VALUES (1, 1), (2, 2)) AS t
  ;

That is, support column names in AS aliases.  Currently I can do that in
PostgreSQL but not in SQLite.  The latter gives me this error:

  Error: near "(": syntax error
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