public ActionResult SelectRecordsCount(Param[] _params)
{
var qb = QueryBuilderStore.Get(instanceId);
var qt = QueryTransformerStore.Get(instanceId);
var qtForSelectRecordsCount = QueryTransformerStore.Create(instanceId + "_for_records_count");
qtForSelectRecordsCount.QueryProvider = qb.SQLQuery;
qtForSelectRecordsCount.Assign(qt);
qtForSelectRecordsCount.Skip("");
qtForSelectRecordsCount.Take("");
qtForSelectRecordsCount.SelectRecordsCount("recCount");
try
{
var data = Execute(qtForSelectRecordsCount, _params);
return(Json(data.First().Values.First(), JsonRequestBehavior.AllowGet));
}
catch (Exception e)
{
return(Json(new ErrorOutput {
Error = e.Message
}, JsonRequestBehavior.AllowGet));
}
finally
{
QueryTransformerStore.Remove(instanceId + "_for_records_count");
}
}
/// <summary>
/// Creates and initializes a new instance of the QueryTransformer object.
/// </summary>
/// <param name="query">SQL Query to transform.</param>
/// <returns>Returns instance of the QueryTransformer object.</returns>
private QueryTransformer CreateQueryTransformer(SQLQuery query)
{
var qt = QueryTransformerStore.Create(instanceId);
qt.QueryProvider = query;
qt.AlwaysExpandColumnsInQuery = true;
return(qt);
}
private void UpdateRecordCount(QueryTransformer qt)
{
var qtForSelectRecordsCount = QueryTransformerStore.Create("QueryResults_for_select_records_count");
qtForSelectRecordsCount.QueryProvider = qt.QueryProvider;
qtForSelectRecordsCount.Assign(qt);
qtForSelectRecordsCount.Skip("");
qtForSelectRecordsCount.Take("");
qtForSelectRecordsCount.SelectRecordsCount("recCount");
try
{
var data = SelectRecordsCount.GetData(qtForSelectRecordsCount, new Param[0]);
_recordsCount = int.Parse(data.First().Values.First().ToString());
recordsCount.Text = "Records count: " + _recordsCount;
}
finally
{
QueryTransformerStore.Remove("QueryResults_for_select_records_count");
}
}
public override object GetDataForModel(Param[] _params)
{
var qb = QueryBuilderStore.Get("QueryResults");
var qt = QueryTransformerStore.Get("QueryResults");
var qtForSelectRecordsCount = QueryTransformerStore.Create("QueryResults_for_select_records_count");
qtForSelectRecordsCount.QueryProvider = qb.SQLQuery;
qtForSelectRecordsCount.Assign(qt);
qtForSelectRecordsCount.Skip("");
qtForSelectRecordsCount.Take("");
qtForSelectRecordsCount.SelectRecordsCount("recCount");
try
{
var data = GetData(qtForSelectRecordsCount, _params);
return(data.First().Values.First());
}
finally
{
QueryTransformerStore.Remove("QueryResults_for_select_records_count");
}
}