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Fabien COELHO wrote:
>
> Dear patchers,
>
> please find attached my third patch submission for adding new aggregate
> functions. This new version adds a note and some indexes in the
> documentation about sql standard names for bool_and and bool_or, as
> suggested by Robert Treat. It also fixes conflicts created by the removal
> of shameful aclitem accessors.
>
> The added aggregates are:
>
> (1) boolean-and and boolean-or aggregates named bool_and and bool_or.
> they (SHOULD;-) correspond to standard sql every and some/any aggregates.
> they do not have the right name as there is a problem with
> the standard and the parser for some/any. Tom also think that
> the standard name is misleading because NULL are ignored.
>
> (2) bitwise integer aggregates named bit_and and bit_or for
> int2, int4, int8 and bit types. They are not standard, but I find
> them useful. I needed them once.
>
>
> The patches adds:
>
> - 2 new very short strict functions for boolean aggregates in
> src/backed/utils/adt/bool.c,
> src/include/utils/builtins.h and src/include/catalog/pg_proc.h
>
> - the new aggregates declared in src/include/catalog/pg_proc.h and
> src/include/catalog/pg_aggregate.h
>
> - some documentation and validation about these new aggregates.
>
>
> It also updates the catalog version. It validates for me.
>
> Have a nice day,
>
> --
> Fabien Coelho - coelho@cri.ensmp.fr
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