From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Jeff Davis <jdavis-pgsql(at)empires(dot)org> |
Cc: | DEV <dev(at)umpa-us(dot)com>, PgSQL General List <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: indexing date_part |
Date: | 2005-02-28 21:05:11 |
Message-ID: | 26002.1109624711@sss.pgh.pa.us |
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Lists: | pgsql-general |
Jeff Davis <jdavis-pgsql(at)empires(dot)org> writes:
> In this case you just have a syntax error in your function. You have
> tried to use a single-quoted string inside of a single-quoted string.
> Escape the single quotes by writing "''" instead of "'" inside the
> function definition.
BTW, if you were working in a more recent version of Postgres, you
wouldn't need the wrapper function in the first place. This works
fine in 7.4 and later:
regression=# create table foo(f1 date);
CREATE TABLE
regression=# create index fooi on foo(date_part('month', f1));
CREATE INDEX
regression=#
regards, tom lane
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