LWGEOMFromEWKB()

Datum LWGEOMFromEWKB

(

PG_FUNCTION_ARGS

)

Definition at line 369 of file lwgeom_inout.c.

References geometry_serialize(), LW_PARSER_CHECK_ALL, lwgeom_add_bbox(), lwgeom_free(), lwgeom_from_wkb(), lwgeom_needs_bbox(), lwgeom_set_srid(), LWGEOMFromTWKB(), and PG_FUNCTION_INFO_V1().

Referenced by LWGEOM_from_bytea(), and LWGEOM_to_text().

{
        bytea *bytea_wkb = (bytea*)PG_GETARG_BYTEA_P(0);
        int32 srid = 0;
        GSERIALIZED *geom;
        LWGEOM *lwgeom;
        uint8_t *wkb = (uint8_t*)VARDATA(bytea_wkb);

        lwgeom = lwgeom_from_wkb(wkb, VARSIZE(bytea_wkb)-VARHDRSZ, LW_PARSER_CHECK_ALL);

        if (  ( PG_NARGS()>1) && ( ! PG_ARGISNULL(1) ))
        {
                srid = PG_GETARG_INT32(1);
                lwgeom_set_srid(lwgeom, srid);
        }

        if ( lwgeom_needs_bbox(lwgeom) )
                lwgeom_add_bbox(lwgeom);

        geom = geometry_serialize(lwgeom);
        lwgeom_free(lwgeom);
        PG_FREE_IF_COPY(bytea_wkb, 0);
        PG_RETURN_POINTER(geom);
}

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