Re: [HACKERS] type coerce problem with lztext

> wieck(at)debis(dot)com (Jan Wieck) writes:
> > There are functions text(lztext) and lztext(text) too, but
> > the system is unable to find an operator if one compares
> > text=lztext in a query. IIRC, creating a function named as
> > the target type and taking the source type is what made auto-
> > type-conversion work - so what am I missing here?
>
> Yup, TypeCategory was the missing ingredient. Seems to work now.

Tnx

> Over all the rules in the regression test database, I see:
>
> regression=# select sum(length(ev_action)),sum(octet_length(ev_action)) from pg
> _rewrite;
> sum | sum
> --------+-------
> 105270 | 38091
> (1 row)
>
> or about 64% compression. Not bad...

Amazing, when looking at the simpleness of the algorithm,
isn't it?

Jan

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