RASTER_out()

Datum RASTER_out

(

PG_FUNCTION_ARGS

)

Definition at line 72 of file rtpg_inout.c.

References FALSE, PG_FUNCTION_INFO_V1(), POSTGIS_RT_DEBUG, rtrowdump::raster, RASTER_to_bytea(), rt_raster_deserialize(), rt_raster_destroy(), and rt_raster_to_hexwkb().

Referenced by RASTER_in().

{
        rt_pgraster *pgraster = NULL;
        rt_raster raster = NULL;
        uint32_t hexwkbsize = 0;
        char *hexwkb = NULL;

        POSTGIS_RT_DEBUG(3, "Starting");

        if (PG_ARGISNULL(0)) PG_RETURN_NULL();
        pgraster = (rt_pgraster *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));

        raster = rt_raster_deserialize(pgraster, FALSE);
        if (!raster) {
                PG_FREE_IF_COPY(pgraster, 0);
                elog(ERROR, "RASTER_out: Could not deserialize raster");
                PG_RETURN_NULL();
        }

        hexwkb = rt_raster_to_hexwkb(raster, FALSE, &hexwkbsize);
        if (!hexwkb) {
                rt_raster_destroy(raster);
                PG_FREE_IF_COPY(pgraster, 0);
                elog(ERROR, "RASTER_out: Could not HEX-WKBize raster");
                PG_RETURN_NULL();
        }

        /* Free the raster objects used */
        rt_raster_destroy(raster);
        PG_FREE_IF_COPY(pgraster, 0);

        PG_RETURN_CSTRING(hexwkb);
}

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