Function msPostGISLayerInitItemInfo

mappostgis.c:2360–2395

** msPostGISLayerInitItemInfo() ** ** Registered vtable->LayerInitItemInfo function. ** Our iteminfo is list of indexes from 1..numitems. */

** Our iteminfo is list of indexes from 1..numitems.
*/
int msPostGISLayerInitItemInfo(layerObj *layer) {
#ifdef USE_POSTGIS
    int i;
    int *itemindexes ;

    if (layer->debug) {
        msDebug("msPostGISLayerInitItemInfo called.\n");
    }

    if (layer->numitems == 0) {
        return MS_SUCCESS;
    }

    if (layer->iteminfo) {
        free(layer->iteminfo);
    }

    layer->iteminfo = msSmallMalloc(sizeof(int) * layer->numitems);
    if (!layer->iteminfo) {
        msSetError(MS_MEMERR, "Out of memory.", "msPostGISLayerInitItemInfo()");
        return MS_FAILURE;
    }
    
    itemindexes = (int*)layer->iteminfo;
    for (i = 0; i < layer->numitems; i++) {
        itemindexes[i] = i; /* Last item is always the geometry. The rest are non-geometry. */
    }

    return MS_SUCCESS;
#else
    msSetError( MS_MISCERR,
                "PostGIS support is not available.",
                "msPostGISLayerInitItemInfo()");
    return MS_FAILURE;
#endif
}

/*
** msPostGISLayerWhichShapes()