public static bool BuildMultiTermQuery(DtColumn dtColumn, out QueryCondition result,
DbColumnMetadata dbColumn)
{
var terms = dtColumn.Search.Value.Split(" ",
StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries);
var queryStrL = new List <string>();
if (terms.Length == 0)
{
// result = null;
result = new QueryCondition();
return(false);
}
if (terms.Length > 7)
{
terms = new[] { dtColumn.Search.Value.Trim() };
}
for (var index = 0; index < terms.Length; index++)
{
var format = dbColumn.DbFuncFormat;
var qCond =
BuildCondition(dbColumn.DbColumn, terms[index], format, paramName: "param" + index,
objectName: string.IsNullOrEmpty(format) ? "(string)(object)x" : "x");
queryStrL.Add(qCond.Query);
}
var qStrFinal = string.Join(" && ", queryStrL);
var qParam = DummyDynamicQueryParams.Create(terms.Cast <object>().ToList());
result = new QueryCondition(qStrFinal, qParam);
return(true);
}
protected abstract QueryCondition BuildFilter(DtColumn col);
protected abstract DbColumnMetadata GetDbColumn(DtColumn column);
protected abstract bool IsServerSideSortable(DtColumn column);
protected abstract bool IsGlobalServerSideFilterable(DtColumn column);
