Function msPostGISBuildSQLFrom

mappostgis.c:1798–1822

** msPostGISBuildSQLFrom() ** ** Returns malloc'ed char* that must be freed by caller. */

** Returns malloc'ed char* that must be freed by caller.
*/
char *msPostGISBuildSQLFrom(layerObj *layer, rectObj *rect) {
    char *strFrom = 0;
    msPostGISLayerInfo *layerinfo;

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

    assert( layer->layerinfo != NULL);

    layerinfo = (msPostGISLayerInfo *)layer->layerinfo;

    if ( ! layerinfo->fromsource ) {
        msSetError(MS_MISCERR, "Layerinfo->fromsource is not initialized.", "msPostGISBuildSQLFrom()");
        return NULL;
    }

    /*
    ** If there's a '!BOX!' in our source we need to substitute the
    ** current rectangle for it...
    */
    strFrom = msPostGISReplaceBoxToken(layer, rect, layerinfo->fromsource);

    return strFrom;
}

/*
** msPostGISBuildSQLWhere()