public static void ConstructDataSourceObjectFromPostRequest(JSONDataSource jsonDS, ref SqlBuilderColumnSelection requestedCols, ref SqlBuilderColumnSelection workingSelCols,
ref SqlBuilderColumnSelection distinctSelCols, ref OrderBy orderBy, ref KeylessVirtualTable table)
{
DataSource ds = new DataSource();
ds.Initialize(jsonDS.Name, DatabaseObjects.GetTableObject(jsonDS.Table), jsonDS.PageSize, jsonDS.PageIndex, jsonDS.GenerateTotal);
if ((jsonDS.JSelectItems != null))
{
foreach (JDataSourceSelectItem jsonSItem in jsonDS.JSelectItems)
{
ds.AddSelectItem(ConstructSelectItemFromPostRequest(jsonSItem));
}
}
requestedCols = new SqlBuilderColumnSelection(jsonDS.ExpandForeignKeyColumns, jsonDS.IsDistinct);
workingSelCols = new SqlBuilderColumnSelection(jsonDS.ExpandForeignKeyColumns, jsonDS.IsDistinct);
distinctSelCols = new SqlBuilderColumnSelection(jsonDS.ExpandForeignKeyColumns, jsonDS.IsDistinct);
List <BaseColumn> columnsList = null;
if (jsonDS.isTotalRecordArray)
{
columnsList = ds.CreateColumnSelectionsForTotal(ref requestedCols, ref workingSelCols, ref distinctSelCols);
}
else
{
columnsList = ds.CreateColumnSelections(ref requestedCols, ref workingSelCols, ref distinctSelCols);
}
table = ds.CreateVirtualTable(columnsList.ToArray());
if ((jsonDS.JOrderByList != null))
{
foreach (JOrderBy jsonOrderBy in jsonDS.JOrderByList)
{
ds.AddAggregateOrderBy(jsonOrderBy.ColumnName, OrderByItem.ToOrderDir(jsonOrderBy.OrderDirection));
}
}
ds.UpdateOrderBy(columnsList);
orderBy = ds.OrderBy;
}