private Boolean _applyFilter(JsonStoreFilter filter, ref Params bioParams, ref String vSQL) {
// фильтруем
String vCondition = null;
if (filter != null) {
var v_prms = new Params();
filter.BuildSQLConditions(ref vCondition, v_prms);
bioParams = v_prms.Merge(bioParams, true);
}
Boolean vFilterIsDefined = !String.IsNullOrEmpty(vCondition);
if (vFilterIsDefined) {
vSQL = String.Format(csFltrSQLTemplate, vSQL, vCondition);
return true;
}
return false;
}