the standalone function distinct is only in core can you be more specific here
distinct on is specific to posrtgresql, and is provided by select.distinct,
query.distinct. the latter makes use of the former, so obviously both have
the same features.
On Sep 18, 2013, at 8:36 PM, Jonathan
Oh crap. I understand.
I was trying to do this:
query = select( func.distinct( columns ) )
and not
query = distinct( columns )
i got thrown off, because the postgres tool is more like a function than an
query , and there's also the .distinct() method you can toss onto a query;
this tripped me up when i was working on some queries.
orm :
distinct( column ) = DISTINCT ON (column)
core :
distinct( column ) = DISTINCT (column)
there doesn't seem to be an easy way to write DISTINCT ON (column) in the
orm
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