LWGEOM_asText()

Datum LWGEOM_asText

(

PG_FUNCTION_ARGS

)

Definition at line 859 of file lwgeom_ogc.c.

References LWGEOM_asBinary(), lwgeom_free(), lwgeom_from_gserialized(), lwgeom_to_wkt(), PG_FUNCTION_INFO_V1(), and WKT_ISO.

Referenced by LWGEOM_from_WKB().

{
        GSERIALIZED *geom;
        LWGEOM *lwgeom;
        char *wkt;
        size_t wkt_size;
        text *result;

        POSTGIS_DEBUG(2, "Called.");

        geom = PG_GETARG_GSERIALIZED_P(0);
        lwgeom = lwgeom_from_gserialized(geom);

        /* Write to WKT and free the geometry */
        wkt = lwgeom_to_wkt(lwgeom, WKT_ISO, DBL_DIG, &wkt_size);
        lwgeom_free(lwgeom);
        POSTGIS_DEBUGF(3, "WKT size = %u, WKT length = %u", (unsigned int)wkt_size, (unsigned int)strlen(wkt));

        /* Write to text and free the WKT */
        result = cstring2text(wkt);
        pfree(wkt);

        /* Return the text */
        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_TEXT_P(result);
}

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