pgis_asmvt_finalfn()

Datum pgis_asmvt_finalfn

(

PG_FUNCTION_ARGS

)

Definition at line 121 of file lwgeom_out_mvt.c.

References mvt_agg_finalfn().

Referenced by pgis_asmvt_transfn().

{
#ifndef HAVE_LIBPROTOBUF
        elog(ERROR, "Missing libprotobuf-c");
        PG_RETURN_NULL();
#else
        struct mvt_agg_context *ctx;
        uint8_t *buf;
        if (!AggCheckCallContext(fcinfo, NULL))
                elog(ERROR, "pgis_asmvt_finalfn called in non-aggregate context");

        if (PG_ARGISNULL(0))
        {
                bytea *emptybuf = palloc(VARHDRSZ);
                SET_VARSIZE(emptybuf, VARHDRSZ);
                PG_RETURN_BYTEA_P(emptybuf);
        }

        ctx = (struct mvt_agg_context *) PG_GETARG_POINTER(0);
        buf = mvt_agg_finalfn(ctx);
        PG_RETURN_BYTEA_P(buf);
#endif
}

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