Thomas Munro <thomas.mu...@enterprisedb.com> writes:
> Here's a sketch patch that creates a function array_unique which takes
> the same arguments as qsort or qsort_arg and returns the new length.
Hmm ... I'd be against using this in backend/regex/, because I still
have hopes of converting that to a standalone library someday (and
in any case it needs to stay compatible with Tcl's copy of the code).
But otherwise this seems like a reasonable proposal.
As for the function name, maybe "qunique()" to go with "qsort()"?
I'm not thrilled with "array_unique" because that sounds like it
is meant for Postgres' array data types.
regards, tom lane
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