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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2017-01-25 09:27:09 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2017-01-25 09:27:09 -0500 |
| commit | d8d32d9a56a3cecfb14e8f47ebd50b780edffe60 (patch) | |
| tree | f06a9fe35cc90008aabb19146fa29d344814a29a /src/backend/utils/adt/jsonfuncs.c | |
| parent | 1e7c4bb0049732ece651d993d03bb6772e5d281a (diff) | |
| download | postgresql-d8d32d9a56a3cecfb14e8f47ebd50b780edffe60.tar.gz postgresql-d8d32d9a56a3cecfb14e8f47ebd50b780edffe60.zip | |
Make UNKNOWN into an actual pseudo-type.
Previously, type "unknown" was labeled as a base type in pg_type, which
perhaps had some sense to it because you were allowed to create tables with
unknown-type columns. But now that we don't allow that, it makes more
sense to label it a pseudo-type. This has the additional effects of
forbidding use of "unknown" as a domain base type, cast source or target
type, PL function argument or result type, or plpgsql local variable type;
all of which seem like good holes to plug.
Discussion: https://postgr.es/m/CAH2L28uwwbL9HUM-WR=hromW1Cvamkn7O-g8fPY2m=_7muJ0oA@mail.gmail.com
Diffstat (limited to 'src/backend/utils/adt/jsonfuncs.c')
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