Re: NULL = col

From: Thomas Lockhart <lockhart(at)alumni(dot)caltech(dot)edu>
To: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
Cc: PostgreSQL-development <hackers(at)postgreSQL(dot)org>
Subject: Re: NULL = col
Date: 1999-05-11 03:23:34
Message-ID: 3737A2B6.A3F149C2@alumni.caltech.edu
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> Yes, that is true. There are several cases where we check just for =
> NULL and not NULL = in the internals, not the grammar.

That part is probably OK, since both statements are internalized to be
the same.

> > There is currently a single shift/reduce conflict in gram.y, and I'm
> > suprised to find that it is *not* due to the "NULL_P '=' a_expr" line.
> Yep. I got that working with precidence for NULL, I think.

Hmm.

> Any chance of making your signature Thomas, to not confuse it with Tom
> Lane?

I'm trying to, but it's *so* many letters to type...

- Tom^H^H^Hhomas

--
Thomas Lockhart lockhart(at)alumni(dot)caltech(dot)edu
South Pasadena, California

In response to

  • NULL = col at 1999-05-10 19:01:30 from Bruce Momjian

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