postgis_srs_entry()

Datum postgis_srs_entry

(

PG_FUNCTION_ARGS

)

Search for srtext and proj4text given auth_name and auth_srid, returns TABLE(auth_name text, auth_srid text, srtext text, proj4text text)

Definition at line 534 of file postgis/lwgeom_transform.c.

{
#if POSTGIS_PROJ_VERSION < 60
        elog(ERROR, "%s is not supported with Proj < 6.0", __func__);
#else
        Datum result;
        struct srs_entry entry;
        text* auth_name = PG_GETARG_TEXT_P(0);
        text* auth_code = PG_GETARG_TEXT_P(1);
        TupleDesc tuple_desc;
 
        if (get_call_result_type(fcinfo, 0, &tuple_desc) != TYPEFUNC_COMPOSITE)
        {
                ereport(ERROR, (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
                        errmsg("%s called with incompatible return type", __func__)));
        }
        BlessTupleDesc(tuple_desc);
 
        entry.auth_name = auth_name;
        entry.auth_code = auth_code;
        result = srs_tuple_from_entry(&entry, tuple_desc);
 
        if (result)
                PG_RETURN_DATUM(srs_tuple_from_entry(&entry, tuple_desc));
        else
                PG_RETURN_NULL();
#endif
}

References srs_entry::auth_code, srs_entry::auth_name, result, and srs_tuple_from_entry().

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