RASTER_getSRID()

Datum RASTER_getSRID

(

PG_FUNCTION_ARGS

)

Definition at line 82 of file rtpg_raster_properties.c.

References PG_FUNCTION_INFO_V1(), rtrowdump::raster, RASTER_getWidth(), rt_raster_deserialize(), rt_raster_destroy(), rt_raster_get_srid(), and TRUE.

{
    rt_pgraster *pgraster;
    rt_raster raster;
    int32_t srid;

    if (PG_ARGISNULL(0)) PG_RETURN_NULL();
    pgraster = (rt_pgraster *) PG_DETOAST_DATUM_SLICE(PG_GETARG_DATUM(0), 0, sizeof(struct rt_raster_serialized_t));

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

    srid = rt_raster_get_srid(raster);

    rt_raster_destroy(raster);
    PG_FREE_IF_COPY(pgraster, 0);

    PG_RETURN_INT32(srid);
}

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