using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Sarand.Core.App;
using Sarand.Core.Base;
using Sarand.Core.Bus;
using Sarand.Core.Dbas.Base;
using Sarand.Win.Dbas.Base;
using Sarand.PatientMgr.Core.App;
using Sarand.PatientMgr.Core.Bus;
using Sarand.PatientMgr.Core.Mgr;
using Sarand.PatientMgr.Win.Dbas.Bus;
using Sarand.PatientMgr.Win.Dbas.Internal;
//using Sarand.PatientMgr.Win.Dbas.UpdateLog;
using Sarand.Win.Dbas.Data;

namespace Sarand.PatientMgr.Win.Dbas.Mgr
{
	//=======================================================================
	internal partial class SpmDepartmentMgr_Dbas : SpmDepartmentMgr
	{
		//*******************************************************************
		//                 F a c i l i t y   T e m p l a t e
		//*******************************************************************
		// Utilities.

		//-------------------------------------------------------------------
		// Create FacilityTemplate.
		public override SpmFacilityTemplate CreateFacilityTemplate(SysId facilityId, Spm.ResourceCategory resourceCategory)
		{
			return new SpmFacilityTemplate_Dbas(UserContext, facilityId, resourceCategory, 0);
		}
		private SpmFacilityTemplate_Dbas CreateFacilityTemplate(SwmFacilityTemplate_Db dbFacilityTemplate)
		{
			ClearErrorState();
			SpmFacilityTemplate_Dbas facilityTemplate = new SpmFacilityTemplate_Dbas(UserContext, new SysId(dbFacilityTemplate._FacilityId), (Spm.ResourceCategory)dbFacilityTemplate._Category, (ushort)dbFacilityTemplate._Flags);
			PopulateFrom(dbFacilityTemplate, facilityTemplate);
			return facilityTemplate;
		}

		//-------------------------------------------------------------------
		// Get FacilityTemplate.
		public override SpmFacilityTemplate GetFacilityTemplate(SpmFacilityTemplate.Params prm)
		{
			return GetFacilityTemplate(GetFacilityTemplateQueryFilter(prm).Concat(" AND ", "(", ")"));
		}
		private SpmFacilityTemplate GetFacilityTemplate(String filter)
		{
			ClearErrorState();
			long count = GetFacilityTemplateCount(filter);
			if (count == 0) return null;
			if (count != 1)
			{
				SetErrorState("Multiple FacilityTemplatees found");
				return null;
			}
			SpmFacilityTemplate facilityTemplate = null;
			// Query data.
			using (var dbConnection = Database.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					dbConnection.Open();
					SwmFacilityTemplate_Db dbFacilityTemplate = new SwmFacilityTemplate_Db(DbInfo);
					dbFacilityTemplate.PopulateFrom(dbCommand, aliasFacilityTemplate, filter);
					facilityTemplate = CreateFacilityTemplate(dbFacilityTemplate);
				}
				catch (Exception exc)
				{
					SetErrorState("Database query exception");
					Logger.Warn(GetType().Name + ".GetFacilityTemplate\n\tQuery: " + dbCommand.CommandText + "\n\tException: " + exc.Message);
				}
			}
			return facilityTemplate;
		}

		//-------------------------------------------------------------------
		// Validate FacilityTemplate.
		public override bool IsValidFacilityTemplateData(SpmFacilityTemplate.Data data, SpmFacilityTemplate.ErrField errField)
		{
			ClearErrorState();
			if (!base.IsValidFacilityTemplateData(data, errField)) return false;
			return true;
		}

		//-------------------------------------------------------------------
		// Insert FacilityTemplate.
		public override bool InsertFacilityTemplate(SpmFacilityTemplate facilityTemplate, DbUpdateInfo dbUpdateInfo)
		{
			ClearErrorState();
			if (!IsValidFacilityTemplate(facilityTemplate)) return false;
			if (SysId.IsValid(facilityTemplate.Id)) return SetErrorState(ErrorMessage.ValiditemId);
			using (var dbConnection = Database.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					dbConnection.Open();
					SwmFacilityTemplate_Db dbFacilityTemplate = new SwmFacilityTemplate_Db(DbInfo);
					PopulateTo(dbFacilityTemplate, facilityTemplate, dbUpdateInfo);
					if (SwmFacilityTemplate_Db.FieldsNonId.Contains("Id"))
					{
						// Generate next Id.
						dbFacilityTemplate._Id = SysId.ToInt(Database.GetNextId("FacilityTemplate", dbUpdateInfo));
					}
					dbFacilityTemplate.ExecuteInsertCommand(dbCommand);
					facilityTemplate.Id = new SysId(dbFacilityTemplate._Id);
				}
				catch (Exception exc) { SetErrorState(exc.Message); }
			}
			return !HasErrorState();
		}

		//-------------------------------------------------------------------
		// Update FacilityTemplate.
		public override bool UpdateFacilityTemplate(SpmFacilityTemplate facilityTemplate, DbUpdateInfo dbUpdateInfo)
		{
			ClearErrorState();
			if (!IsValidFacilityTemplate(facilityTemplate)) return false;
			if (!SysId.IsValid(facilityTemplate.Id)) return SetErrorState(ErrorMessage.InvalidItemId);
			using (var dbConnection = Database.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					// Retrieve FacilityTemplate.
					dbConnection.Open();
					SwmFacilityTemplate_Db dbFacilityTemplate = new SwmFacilityTemplate_Db(DbInfo);
					dbFacilityTemplate.PopulateFrom(dbCommand, aliasFacilityTemplate, "Id=" + SysId.ToString(facilityTemplate.Id));
					//SpmUpdateLogItemMonitor_FacilityTemplate updateLogMonitor = new SpmUpdateLogItemMonitor_FacilityTemplate(UserContext, CreateFacilityTemplate(dbFacilityTemplate));

					// Update properties.
					PopulateTo(dbFacilityTemplate, facilityTemplate, dbUpdateInfo);
					dbFacilityTemplate.ExecuteUpdateCommand(dbCommand);

					/* Record updates.
					updateLogMonitor.RecordUpdatedValues(facilityTemplate);
					updateLogMonitor.LogUpdates();*/
				}
				catch (Exception exc) { SetErrorState(exc.Message); }
			}
			return !HasErrorState();
		}

		//-------------------------------------------------------------------
		// Delete FacilityTemplate.
		public override bool FacilityTemplateCanBeDeleted(SpmFacilityTemplate facilityTemplate)
		{
			ClearErrorState();
			if (!base.FacilityTemplateCanBeDeleted(facilityTemplate)) return false;
			return true;
		}
		public override bool DeleteFacilityTemplate(SpmFacilityTemplate facilityTemplate, DbUpdateInfo dbUpdateInfo)
		{
			ClearErrorState();
			if (!FacilityTemplateCanBeDeleted(facilityTemplate)) return false;
			using (var dbConnection = Database.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					// Retrieve FacilityTemplate.
					dbConnection.Open();
					SwmFacilityTemplate_Db dbFacilityTemplate = new SwmFacilityTemplate_Db(DbInfo);
					dbFacilityTemplate.PopulateFrom(dbCommand, aliasFacilityTemplate, "Id=" + facilityTemplate.Id.ToString());
					// Delete FacilityTemplate.
					dbCommand.CommandType = System.Data.CommandType.Text;
					dbCommand.CommandText = "DELETE FROM " + SpmDbDfn.GetTableName(SpmDbDfn.TableIdx.SwmFacilityTemplate) + " WHERE Id=" + SysId.ToString(facilityTemplate.Id) + ";";
					dbCommand.ExecuteNonQuery();
				}
				catch (Exception exc) { SetErrorState(exc.Message); }
			}
			return !HasErrorState();
		}

		//-------------------------------------------------------------------
		// Copy data properties to and from database.
		private void PopulateTo(SwmFacilityTemplate_Db dbFacilityTemplate, SpmFacilityTemplate facilityTemplate, DbUpdateInfo dbUpdateInfo)
		{
			dbFacilityTemplate._Id = facilityTemplate.Id.ToInt();
			dbFacilityTemplate._FacilityId = facilityTemplate.FacilityId.ToInt();
			dbFacilityTemplate._Category = (short)facilityTemplate.ResourceCategory;
			dbFacilityTemplate._Type = (short)facilityTemplate.TemplateType;
			dbFacilityTemplate._Name = facilityTemplate.Name;
			dbFacilityTemplate._SortCode = facilityTemplate.SortCode;
			dbFacilityTemplate._Description = facilityTemplate.Desc;
			dbFacilityTemplate._SessionCode = facilityTemplate.SessionCode;
			dbFacilityTemplate._Group = facilityTemplate.Group;

			dbFacilityTemplate._Notes = facilityTemplate.Notes;
			dbFacilityTemplate._Status = SacsSystem.GetStatusCode(facilityTemplate.Status);
			dbFacilityTemplate._Flags = (short)facilityTemplate.Flags;
			if (!SysId.IsValid(facilityTemplate.Id))
			{
				dbFacilityTemplate._CreateOn = DateTime.UtcNow;
				dbFacilityTemplate._CreateBy = dbUpdateInfo.UserId.ToInt();
				dbFacilityTemplate._CreateHost = dbUpdateInfo.Host;
			}
			dbFacilityTemplate._UpdateOn = DateTime.UtcNow;
			dbFacilityTemplate._UpdateBy = dbUpdateInfo.UserId.ToInt();
			dbFacilityTemplate._UpdateHost = dbUpdateInfo.Host;
		}
		private void PopulateFrom(SwmFacilityTemplate_Db dbFacilityTemplate, SpmFacilityTemplate facilityTemplate)
		{
			facilityTemplate.Id = new SysId(dbFacilityTemplate._Id);
			facilityTemplate.FacilityId = new SysId(dbFacilityTemplate._FacilityId);
			facilityTemplate.ResourceCategory = (Spm.ResourceCategory)dbFacilityTemplate._Category;
			facilityTemplate.TemplateType = (Spm.TemplateType)dbFacilityTemplate._Type;
			facilityTemplate.Name = dbFacilityTemplate._Name;
			facilityTemplate.SortCode = dbFacilityTemplate._SortCode;
			facilityTemplate.Desc = dbFacilityTemplate._Description;
			facilityTemplate.SessionCode = dbFacilityTemplate._SessionCode;
			facilityTemplate.Group = dbFacilityTemplate._Group;

			facilityTemplate.Notes = dbFacilityTemplate._Notes;
			facilityTemplate.Status = SacsSystem.GetStatusForCode(dbFacilityTemplate._Status);
			facilityTemplate.SetCreateStamp(dbFacilityTemplate._CreateOn, new SysId(dbFacilityTemplate._CreateBy), dbFacilityTemplate._CreateHost);
			facilityTemplate.SetUpdateStamp(dbFacilityTemplate._UpdateOn, new SysId(dbFacilityTemplate._UpdateBy), dbFacilityTemplate._UpdateHost);
			facilityTemplate.AcceptChanges();
		}

		//-------------------------------------------------------------------
		// FacilityTemplate column definitions.
		private static readonly String aliasFacilityTemplate = "aFacTemp";
		private void SetFacilityTemplateColDfn
			(ColumnDfn col, String caption, int width, SpmDbDfn.ColumnIdx dbCol,
			ColumnAlignment align = ColumnAlignment.Default, DataValue.DataType dataType = DataValue.DataType.String,
			String alias = "", String prefix = "")
		{
			if (String.IsNullOrEmpty(alias) && SpmDbDfn.GetTableForColumn(dbCol) == SpmDbDfn.TableIdx.SwmFacilityTemplate)
				alias = aliasFacilityTemplate;
			col.Set(caption, width, (int)dbCol, prefix + SpmDbDfn.GetColumnName(dbCol, false), SpmDbDfn.GetColumnNameQual(dbCol, alias), dataType, align);
			if (dataType == DataValue.DataType.String && dbCol != SpmDbDfn.ColumnIdx.Unknown)
				col.MaxLength = (int)SpmDbDfn.GetColTextLen(dbCol);
		}
		//-------------------------------------------------------------------
		// Getting prmFacilityTemplate column definition.
		public override ColumnDfn GetFacilityTemplateColumnDfn(SpmFacilityTemplate.Column columnId, string caption = "", int width = 0)
		{
			ColumnDfn columnDfn = new ColumnDfn((int)columnId, caption, width);
			switch (columnId)
			{
				case SpmFacilityTemplate.Column.Pos:
					SetFacilityTemplateColDfn(columnDfn, "Pos", 42, SpmDbDfn.ColumnIdx.Unknown, ColumnAlignment.Right);
					columnDfn.SortMode = ColumnDfn.ColumnSortMode.Off;
					columnDfn.ReadOnly = true;
					columnDfn.Resizable = false;
					break;
				case SpmFacilityTemplate.Column.Id:
					SetFacilityTemplateColDfn(columnDfn, "Id", 40, SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Id, ColumnAlignment.Right, DataValue.DataType.Long);
					columnDfn.ReadOnly = true;
					break;

				// FacilityTemplate Properties.

				// Derived properties.				

				// Common properties.
				case SpmFacilityTemplate.Column.Notes:
					SetFacilityTemplateColDfn(columnDfn, "Notes", 200, SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Notes);
					break;
				case SpmFacilityTemplate.Column.Status:
					SetFacilityTemplateColDfn(columnDfn, "Status", 50, SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Status, ColumnAlignment.Center);
					break;
				case SpmFacilityTemplate.Column.Status_Desc:
					SetFacilityTemplateColDfn(columnDfn, "Status", 50, SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Status, ColumnAlignment.Center);
					break;
				case SpmFacilityTemplate.Column.Status_Ind:
					SetFacilityTemplateColDfn(columnDfn, "Status", 50, SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Status, ColumnAlignment.Center, DataValue.DataType.TriState);
					columnDfn.TriStateFormat = ColumnTriStateFormat.Lights;
					break;
				case SpmFacilityTemplate.Column.CreateOn_Date:
					SetFacilityTemplateColDfn(columnDfn, "Created", 65, SpmDbDfn.ColumnIdx.SwmFacilityTemplate_CreateOn, ColumnAlignment.Center, DataValue.DataType.Date);
					columnDfn.ReadOnly = true;
					break;
				case SpmFacilityTemplate.Column.UpdateOn_Date:
					SetFacilityTemplateColDfn(columnDfn, "Updated", 65, SpmDbDfn.ColumnIdx.SwmFacilityTemplate_UpdateOn, ColumnAlignment.Center, DataValue.DataType.Date);
					columnDfn.ReadOnly = true;
					break;
			}
			if (!String.IsNullOrEmpty(caption))
				columnDfn.Caption = caption;
			if (width > 0)
				columnDfn.Width = width;
			return columnDfn;
		}

		//-------------------------------------------------------------------
		// FacilityTemplate query filter.
		public override List<string> GetFacilityTemplateQueryFilter(SpmFacilityTemplate.Params prm)
		{
			List<String> filters = new List<String>();

			// FacilityTemplate Id.
			String includedIds = prm.IncludedIds.Concat(",");
			if (!includedIds.IsEmpty())
				filters.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Id, aliasFacilityTemplate) + " IN (" + includedIds + ")");
			String excludedIds = prm.ExcludedIds.Concat(",");
			if (!excludedIds.IsEmpty())
				filters.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Id, aliasFacilityTemplate) + " NOT IN (" + excludedIds + ")");

			// Applicable dates.
			DateTime nullDate = new DateTime(1970, 1, 1);
			String colApplicFrom = SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_ApplicFrom, aliasFacilityTemplate);
			String colApplicTo = SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_ApplicTo, aliasFacilityTemplate);
			if (DateUtil.IsValid(prm.Application))
			{
				// Looking for roles that are applicable on the specified date.
				filters.Add("(" + colApplicFrom + " IS NULL OR " + colApplicFrom + "=" + DbQuery.FormatDateForCondition(nullDate) + " OR " + colApplicFrom + "<" + DbQuery.FormatDateForCondition(DateUtil.IncrementDate(prm.Application, 1)) + ")");
				filters.Add("(" + colApplicTo + " IS NULL OR " + colApplicTo + "=" + DbQuery.FormatDateForCondition(nullDate) + " OR " + colApplicTo + ">=" + DbQuery.FormatDateForCondition(prm.Application) + ")");
			}
			else if (DateUtil.IsValid(prm.ApplicationFrom) || DateUtil.IsValid(prm.ApplicationTo))
			{
				// Looking for roles that overlap with the specified date range.
				if (DateUtil.IsValid(prm.ApplicationFrom) && DateUtil.IsValid(prm.ApplicationTo))
				{
					// Both from and to dates specified.
					filters.Add("(" + colApplicFrom + " IS NULL OR " + colApplicFrom + "=" + DbQuery.FormatDateForCondition(nullDate) + " OR " + colApplicFrom + "<" + DbQuery.FormatDateForCondition(DateUtil.IncrementDate(prm.ApplicationTo, 1)) + ")");
					filters.Add("(" + colApplicTo + " IS NULL OR " + colApplicTo + "=" + DbQuery.FormatDateForCondition(nullDate) + " OR " + colApplicTo + ">=" + DbQuery.FormatDateForCondition(prm.ApplicationFrom) + ")");
				}
				else if (DateUtil.IsValid(prm.ApplicationFrom))
				{
					// Only 'from' date specified - Matches with ApplicTo not specified or after 'from' date.
					filters.Add("(" + colApplicTo + " IS NULL OR " + colApplicTo + "=" + DbQuery.FormatDateForCondition(nullDate) + " OR " + colApplicTo + ">=" + DbQuery.FormatDateForCondition(prm.ApplicationFrom) + ")");
					String filter = filters[0];
				}
				else if (DateUtil.IsValid(prm.ApplicationTo))
				{
					// Only 'to' date specified - Matches with ApplicFrom not specified or before 'to' date.
					filters.Add("(" + colApplicFrom + " IS NULL OR " + colApplicFrom + "=" + DbQuery.FormatDateForCondition(nullDate) + " OR " + colApplicFrom + "<" + DbQuery.FormatDateForCondition(DateUtil.IncrementDate(prm.ApplicationTo, 1)) + ")");
					String filter = filters[0];
				}
			}

			//---------------------------------------------------------------
			// Common Properties.

			if (filters.Count < 1) filters.Add("1=1");
			return filters;
		}

		//-------------------------------------------------------------------
		// FacilityTemplate sort columns.
		public List<String> GetFacilityTemplateSortColumns(SpmFacilityTemplate.Params prm)
		{
			// Sort sequence:
			List<String> sortColumnNames = new List<String>();
			foreach (var columnDfn in prm.SortColumns)
			{
				// Need to ensure correct alias used for FacilityTemplate columns in case of conflict.
				String sortCol = String.Empty;
				if (SpmDbDfn.GetTableForColumn((SpmDbDfn.ColumnIdx)columnDfn.DbColumn) == SpmDbDfn.TableIdx.SwmFacilityTemplate)
				{
					sortCol = SpmDbDfn.GetColumnNameQual((SpmDbDfn.ColumnIdx)columnDfn.DbColumn, aliasFacilityTemplate);
				}
				else
				{
					sortCol = columnDfn.DataName;
					if (!StringUtil.IsEmpty(columnDfn.SortDataName))
						sortCol = columnDfn.SortDataName;
				}
				if (!sortCol.IsEmpty())
				{
					DbOrderByNullMode orderByNullMode = DbOrderByNullMode.Default; // eSaOrderByDemoteNulls, eSaOrderByPromoteNulls
					sortColumnNames.Add(DbQuery.FormatForOrderBy(sortCol, columnDfn.SortAscending, orderByNullMode).Concat(", "));
				}
			}
			sortColumnNames.RemoveBlanks();
			if (sortColumnNames.IsEmpty())
			{
				// Default sort columns:
				//sortColumnNames.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Type, aliasFacilityTemplate) + " ASC");
			}
			return sortColumnNames;
		}

		//-------------------------------------------------------------------
		// FacilityTemplate count.
		private long GetFacilityTemplateCount(String filter)
		{
			ClearErrorState();
			return Database.GetRowCount(SpmDbDfn.GetTableName(SpmDbDfn.TableIdx.SwmFacilityTemplate) + " As " + aliasFacilityTemplate, filter);
		}
		public override long GetFacilityTemplateCount(SpmFacilityTemplate.Params prm)
		{
			ClearErrorState();
			return GetFacilityTemplateCount(GetFacilityTemplateQueryFilter(prm).Concat(" AND ", "(", ")"));
		}

		//-------------------------------------------------------------------
		// FacilityTemplate list.
		public override List<SpmFacilityTemplate> GetFacilityTemplateList(SpmFacilityTemplate.Params prm)
		{
			List<SpmFacilityTemplate> FacilityTemplatees = new List<SpmFacilityTemplate>();
			DbQuery qry = new DbQuery(Database.DbmsType);
			qry.Tables.Add(SpmDbDfn.GetTableName(SpmDbDfn.TableIdx.SwmFacilityTemplate), aliasFacilityTemplate);
			qry.Columns.AddRange(SwmFacilityTemplate_Db.Fields);
			qry.Filters.AddRange(GetFacilityTemplateQueryFilter(prm));
			// Query data.
			using (var dbConnection = Database.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					dbConnection.Open();
					dbCommand.CommandText = qry.BuildQuery();
					using (DbDataReader dbDataReader = dbCommand.ExecuteReader())
					{
						while (dbDataReader.Read())
						{
							SwmFacilityTemplate_Db dbFacilityTemplate = new SwmFacilityTemplate_Db(DbInfo);
							dbFacilityTemplate.PopulateFrom(dbDataReader);
							FacilityTemplatees.Add(CreateFacilityTemplate(dbFacilityTemplate));
						}
					}
				}
				catch (Exception exc)
				{
					Logger.Warn(GetType().Name + ".GetFacilityTemplateList\n\tQuery: " + dbCommand.CommandText + "\n\tException: " + exc.Message);
				}
			}
			return FacilityTemplatees;
		}

		//-------------------------------------------------------------------
		// FacilityTemplate query execution.
		public override DbResultSet ExecuteFacilityTemplateQuery(List<ColumnDfn> columns, SpmFacilityTemplate.Params prm)
		{
			ClearErrorState();

			//---------------------------------------------------------------
			// Construct query.
			DbQuery query = new DbQuery(Database.DbmsType);
			query.Tables.Add(SpmDbDfn.GetTableName(SpmDbDfn.TableIdx.SwmFacilityTemplate), aliasFacilityTemplate);

			// FacilityTemplate Properties - add columns as defined in query list.
			/*if (columns.HasId((int)SpmFacilityTemplate.Column.Id))
				query.Columns.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Id, aliasFacilityTemplate));*/

			// Common Properties
			if (columns.HasId((int)SpmFacilityTemplate.Column.Notes))
				query.Columns.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Notes, aliasFacilityTemplate));
			if (columns.HasId((int)SpmFacilityTemplate.Column.Status) || columns.HasId((int)SpmFacilityTemplate.Column.Status_Desc) || columns.HasId((int)SpmFacilityTemplate.Column.Status_Ind))
				query.Columns.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_Status, aliasFacilityTemplate));
			if (columns.HasId((int)SpmFacilityTemplate.Column.CreateOn_Date))
				query.Columns.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_CreateOn, aliasFacilityTemplate));
			if (columns.HasId((int)SpmFacilityTemplate.Column.UpdateOn_Date))
				query.Columns.Add(SpmDbDfn.GetColumnNameQual(SpmDbDfn.ColumnIdx.SwmFacilityTemplate_UpdateOn, aliasFacilityTemplate));

			//---------------------------------------------------------------
			// Populate filter.
			query.Filters.AddRange(GetFacilityTemplateQueryFilter(prm));

			if (prm.IncludedIds.Count != 1)
			{
				// Configure sort sequence.
				foreach (String sortColumn in GetFacilityTemplateSortColumns(prm))
					query.OrderBy.Add(sortColumn);
			}

			//---------------------------------------------------------------
			//return new DbResultSet_DataTableReader(Database, query.BuildQuery());
			return new Sarand.Win.Dbas.Data.DbResultSet_DataReader(Database, query.BuildQuery());
		}
		//-------------------------------------------------------------------
	}
	//=======================================================================
}