Re: [gnome-db] GdaSqlBuiler: JOIN AS



On 17 May 2010 10:07, Murray Cumming <murrayc murrayc com> wrote:
> In Glom, I use the AS keyword with JOINS, to allow multiple joins with
> the same table. A simple case looks like this, though it's unnecessary
> in this particular example:
>
> SELECT "albums"."album_id", "albums"."name", "albums"."artist_id",
> "relationship_artist"."name",
> FROM "albums"
> LEFT JOIN "artists"
>  AS "relationship_artist"
>  ON ("albums"."artist_id" = "relationship_artist"."artist_id")
> WHERE "albums"."album_id" = 123
>
> (That might be an "alias", but I don't know if that's the right
> terminology.)
>
> But I don't see how to do that with
> gda_sql_builder_select_join_targets()
> http://library.gnome.org/devel/libgda/unstable/GdaSqlBuilder.html#gda-sql-builder-select-join-targets
>

To do this you need to specify an alias when using the
gda_sql_builder_select_add_target*() methods.

Vivien


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