Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>> Where does textcat fit into things?
> textcat is the internal function mapped to ||. It isn't documented
> anywhere for general use. It does show up in psql \df though. I
> suppose the bug reporter could use that, but it isn't portable to other
> database systems.
textcat only handles the two-input case, however.
regards, tom lane
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