using Sarand.Net.Standard.Dbas.Data;
using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Dbas;
using Saxonite.Base.App;
using Saxonite.Net.Standard.Dbas.Bus;
using Saxonite.Net.Standard.Dbas.Internal;
using Saxonite.Net.Standard.Base.Bus;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Text;
using Saxonite.Net.Standard.Base.App;
using System.Linq;
using Sarand.Net.Standard.Base.Utils;

namespace Saxonite.Net.Standard.Dbas.Mgr
{
	//=======================================================================
	partial class SaxAccountMgr_Dbas
	{
		//*******************************************************************
		// Account Mgr - User Role
		//*******************************************************************
		// Utilities.
		private List<StringPair> GetLogProperties(SaxUserRole userRole)
		{
			return new List<StringPair>()
			{
				new StringPair("Id",SysId.ToString(userRole.Id)),
				new StringPair("UserAccountId",SysId.ToString(userRole.UserAccountId)),
				new StringPair("Role",userRole.UserRole.ToString()),
				new StringPair("Status",userRole.StatusCode)
			};
		}

		//-------------------------------------------------------------------
		// Create item.
		public override SaxUserRole CreateUserRole(SysId userAccountId, Sax.UserRole userRole)
		{
			ClearErrorState();
			return new SaxUserRole_Dbas(CoreDatabase, null, userAccountId, userRole, 0);
		}
		private SaxUserRole_Dbas CreateUserRole(UserRole_Db dbUserRole)
		{
			ClearErrorState();
			SaxUserRole_Dbas userRole = new SaxUserRole_Dbas(CoreDatabase, new SysId(dbUserRole._Id), new SysId(dbUserRole._UserAccountId), (Sax.UserRole)UserRoleCodes.GetTypeForCode(dbUserRole._UserRoleCode), (ushort)dbUserRole._Flags);
			PopulateFrom(dbUserRole, userRole);
			return userRole;
		}

		//-------------------------------------------------------------------
		// Get item.
		public override SaxUserRole GetUserRole(SaxUserRole.Params prm)
		{
			ClearErrorState();
			return GetUserRole(GetUserRoleQueryFilter(prm).Concat(" And ", "(", ")"));
		}
		private SaxUserRole GetUserRole(String filter)
		{
			ClearErrorState();
			long count = GetUserRoleCount(filter);
			if (count == 0) return null;
			if (count != 1)
			{
				SetErrorState("Multiple items found");
				return null;
			}
			SaxUserRole userRole = null;
			// Query data.
			using (var dbConnection = CoreDatabase.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					dbConnection.Open();
					UserRole_Db dbUserRole = new UserRole_Db(CoreDbInfo);
					dbUserRole.PopulateFrom(dbCommand, aliasUserRole, filter);
					userRole = CreateUserRole(dbUserRole);
				}
				catch (Exception exc)
				{
					SetErrorState("Database query exception");
					SaLogger.Warn(GetType().Name + ".GetUserRole\n\tQuery: " + dbCommand.CommandText + "\n\t" + ExceptionUtil.GetLogMessage(exc));
				}
			}
			return userRole;
		}

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

		//-------------------------------------------------------------------
		// Insert item.
		public override bool InsertUserRole(SaxUserRole userRole, DbUpdateInfo dbUpdateInfo)
		{
			String fn = GetType().Name + ".InsertUserRole";
			ClearErrorState();
			if (!IsValidUserRole(userRole)) return false;
			if (SysId.IsValid(userRole.Id)) return SetErrorState(ErrorMessage.ValiditemId);
			using (var dbConnection = CoreDatabase.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					dbConnection.Open();
					UserRole_Db dbUserRole = new UserRole_Db(CoreDbInfo);
					PopulateTo(dbUserRole, userRole, dbUpdateInfo);
					if (UserRole_Db.FieldsNonId.Contains("Id"))
					{
						// Generate next Id.
						dbUserRole._Id = CoreDatabase.GetNextIdFromTable("UserRole");
					}
					dbUserRole.ExecuteInsertCommand(dbCommand);
					userRole.Id = new SysId(dbUserRole._Id);
					userRole.Changed = false;
					if (DebugMode) SaLogger.Debug(fn + " Inserted. " + GetLogProperties(userRole).Concat(": ").Concat("", "\n\t"));
				}
				catch (Exception exc) { SetErrorState(exc.Message); }
			}
			return !HasErrorState();
		}

		//-------------------------------------------------------------------
		// Update item.
		public override bool UpdateUserRole(SaxUserRole userRole, DbUpdateInfo dbUpdateInfo)
		{
			String fn = GetType().Name + ".UpdateUserRole";
			ClearErrorState();
			if (!IsValidUserRole(userRole)) return false;
			if (!SysId.IsValid(userRole.Id)) return SetErrorState(ErrorMessage.InvalidItemId);
			if (!userRole.Changed)
			{
				if (DebugMode) SaLogger.Debug(fn + " Data not changed. " + GetLogProperties(userRole).Concat(": ").Concat("", "\n\t"));
				return true;
			}
			using (var dbConnection = CoreDatabase.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					// Retrieve item.
					dbConnection.Open();
					UserRole_Db dbUserRole = new UserRole_Db(CoreDbInfo);
					dbUserRole.PopulateFrom(dbCommand, aliasUserRole, "Id=" + SysId.ToString(userRole.Id));
					// ToDo SaxUpdateLogItemMonitor_UserRole updateLogMonitor = new SaxUpdateLogItemMonitor_UserRole(SessionContext, CreateUserRole(dbUserRole), dbUpdateInfo);
					// Update item.
					PopulateTo(dbUserRole, userRole, dbUpdateInfo);
					dbUserRole.ExecuteUpdateCommand(dbCommand);
					userRole.Changed = false;
					if (DebugMode) SaLogger.Debug(fn + " Updated. " + GetLogProperties(userRole).Concat(": ").Concat("", "\n\t"));
					// Record updates.
					// ToDo updateLogMonitor.RecordUpdatedValues(userRole);
					// ToDo updateLogMonitor.LogUpdates();
				}
				catch (Exception exc) { SetErrorState(exc.Message); }
			}
			return !HasErrorState();
		}

		//-------------------------------------------------------------------
		// Delete item.
		public override bool UserRoleCanBeDeleted(SaxUserRole userRole)
		{
			ClearErrorState();
			if (!base.UserRoleCanBeDeleted(userRole)) return false;
			return true;
		}
		public override bool DeleteUserRole(SaxUserRole userRole, DbUpdateInfo dbUpdateInfo)
		{
			String fn = GetType().Name + ".DeleteUserRole";
			ClearErrorState();
			if (!UserRoleCanBeDeleted(userRole)) return false;

			// User Roles are logically deleted by changing the status.
			userRole.Status = SaStatus.Deleted;
			return UpdateUserRole(userRole, dbUpdateInfo);

			/*
			 * Physical deletion.
			using (var dbConnection = CoreDatabase.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					// Retrieve item.
					dbConnection.Open();
					UserRole_Db dbUserRole = new UserRole_Db(CoreDbInfo);
					dbUserRole.PopulateFrom(dbCommand, aliasUserRole, "Id=" + userRole.Id.ToString());
					// Delete item.
					dbCommand.CommandType = System.Data.CommandType.Text;
					dbCommand.CommandText = "DELETE FROM " + SaxDbDfn_Core.GetTableName(SaxDbDfn_Core.TableIdx.UserRole) + " WHERE Id=" + SysId.ToString(userRole.Id) + ";";
					dbCommand.ExecuteNonQuery();
					userRole.Changed = false;
					if (DebugMode) SaLogger.Debug(fn + " Deleted. " + GetLogProperties(userRole).Concat(": ").Concat("", "\n\t"));
				}
				catch (Exception exc) { SetErrorState(exc.Message); }
			}
			return !HasErrorState();
			*/
		}

		//-------------------------------------------------------------------
		// Copy data properties to and from database.
		private void PopulateTo(UserRole_Db dbUserRole, SaxUserRole userRole, DbUpdateInfo dbUpdateInfo)
		{
			dbUserRole._Id = SysId.ToLong(userRole.Id);
			dbUserRole._UserAccountId = SysId.ToInt(userRole.UserAccountId);
			dbUserRole._UserRoleCode = UserRoleCodes.GetCodeForType(userRole.UserRole);
			// Common.
			dbUserRole._Notes = userRole.Notes;
			dbUserRole._Status = SacsSystem.GetStatusCode(userRole.Status);
			dbUserRole._Flags = (short)userRole.Flags;
			if (!SysId.IsValid(userRole.Id))
			{
				dbUserRole._CreateOn = DateTime.Now;
				dbUserRole._CreateBy = dbUpdateInfo.UserId.ToInt();
				dbUserRole._CreateHost = dbUpdateInfo.Host;
			}
			dbUserRole._UpdateOn = DateTime.Now;
			dbUserRole._UpdateBy = dbUpdateInfo.UserId.ToInt();
			dbUserRole._UpdateHost = dbUpdateInfo.Host;
		}
		private void PopulateFrom(UserRole_Db dbUserRole, SaxUserRole userRole)
		{
			//userRole.Id = new SysId(dbUserRole._Id);
			//userRole.UserAccountId = new SysId(dbUserRole._UserAccountId);
			//userRole.UserRole = (Sax.UserRole)UserRoles.GetTypeForCode(dbUserRole._UserRoleCode);
			// Common.
			userRole.Notes = dbUserRole._Notes;
			userRole.Status = SacsSystem.GetStatusForCode(dbUserRole._Status);
			userRole.SetCreateStamp(dbUserRole._CreateOn, new SysId(dbUserRole._CreateBy), dbUserRole._CreateHost);
			userRole.SetUpdateStamp(dbUserRole._UpdateOn, new SysId(dbUserRole._UpdateBy), dbUserRole._UpdateHost);
			userRole.AcceptChanges();
		}

		//-------------------------------------------------------------------
		// Item column definitions.
		private static readonly String aliasUserRole = "UsrRol";
		private static readonly String aliasUserRole_UserAccount = "UsrRol_Usr";
		private static readonly String prefixUserRole_UserAccount = "UsrRol_Usr_";
		private void SetUserRoleColDfn
			(ColumnDfn col, String caption, int width, SaxDbDfn_Core.ColumnIdx dbCol,
			ColumnAlignment align = ColumnAlignment.Default, DataValue.DataType dataType = DataValue.DataType.String,
			String alias = "", String prefix = "")
		{
			if (String.IsNullOrEmpty(alias) && SaxDbDfn_Core.GetTableForColumn(dbCol) == SaxDbDfn_Core.TableIdx.UserRole)
				alias = aliasUserRole;
			col.Set(caption, width, (int)dbCol, prefix + SaxDbDfn_Core.GetColumnName(dbCol, false), SaxDbDfn_Core.GetColumnNameQual(dbCol, alias), dataType, align);
			if (dataType == DataValue.DataType.String && dbCol != SaxDbDfn_Core.ColumnIdx.Unknown)
				col.MaxLength = (int)SaxDbDfn_Core.GetColTextLen(dbCol);
		}
		public override ColumnDfn GetUserRoleColumnDfn(SaxUserRole.Column columnId, string caption = "", int width = 0)
		{
			ColumnDfn columnDfn = new ColumnDfn((int)columnId, caption, width);
			switch (columnId)
			{
				//-----------------------------------------------------------
				case SaxUserRole.Column.Pos:
					SetUserRoleColDfn(columnDfn, "Pos", 60, SaxDbDfn_Core.ColumnIdx.Unknown, ColumnAlignment.Right);
					columnDfn.SortMode = ColumnDfn.ColumnSortMode.Off;
					columnDfn.ReadOnly = true;
					columnDfn.Resizable = false;
					break;
				case SaxUserRole.Column.UserAccountId:
					SetUserRoleColDfn(columnDfn, "User Id", 80, SaxDbDfn_Core.ColumnIdx.UserRole_UserAccountId, ColumnAlignment.Right, DataValue.DataType.Long);
					columnDfn.ReadOnly = true;
					break;
				case SaxUserRole.Column.Id:
					SetUserRoleColDfn(columnDfn, "Id", 80, SaxDbDfn_Core.ColumnIdx.UserRole_Id, ColumnAlignment.Right, DataValue.DataType.Long);
					columnDfn.ReadOnly = true;
					break;
				case SaxUserRole.Column.UserRole:
					SetUserRoleColDfn(columnDfn, "Role", 120, SaxDbDfn_Core.ColumnIdx.UserRole_UserRoleCode, ColumnAlignment.Center);
					columnDfn.ReadOnly = true;
					break;

				//-------------------------------------------------------
				// User.
				case SaxUserRole.Column.User_EmailAddress:
					SetUserRoleColDfn(columnDfn, "Email address", 160, SaxDbDfn_Core.ColumnIdx.UserAccount_EmailAddress, ColumnAlignment.Left, DataValue.DataType.String, aliasUserRole_UserAccount, prefixUserRole_UserAccount);
					columnDfn.ReadOnly = true;
					break;
				case SaxUserRole.Column.User_DisplayName:
					SetUserRoleColDfn(columnDfn, "User", 160, SaxDbDfn_Core.ColumnIdx.Unknown, ColumnAlignment.Left, DataValue.DataType.String);
					columnDfn.ReadOnly = true;
					break;
				case SaxUserRole.Column.User_Title:
					SetUserRoleColDfn(columnDfn, "Title", 80, SaxDbDfn_Core.ColumnIdx.UserAccount_Title, ColumnAlignment.Left, DataValue.DataType.String, aliasUserRole_UserAccount, prefixUserRole_UserAccount);
					columnDfn.ReadOnly = true;
					break;
				case SaxUserRole.Column.User_FirstName:
					SetUserRoleColDfn(columnDfn, "First name", 120, SaxDbDfn_Core.ColumnIdx.UserAccount_FirstName, ColumnAlignment.Left, DataValue.DataType.String, aliasUserRole_UserAccount, prefixUserRole_UserAccount);
					columnDfn.ReadOnly = true;
					break;
				case SaxUserRole.Column.User_LastName:
					SetUserRoleColDfn(columnDfn, "Last name", 120, SaxDbDfn_Core.ColumnIdx.UserAccount_LastName, ColumnAlignment.Left, DataValue.DataType.String, aliasUserRole_UserAccount, prefixUserRole_UserAccount);
					columnDfn.ReadOnly = true;
					break;

				//-----------------------------------------------------------
				// Derived properties.

				//-----------------------------------------------------------
				// Common properties.
				case SaxUserRole.Column.Notes:
					SetUserRoleColDfn(columnDfn, "Notes", 240, SaxDbDfn_Core.ColumnIdx.UserRole_Notes);
					break;
				case SaxUserRole.Column.Flags:
					SetUserRoleColDfn(columnDfn, "Flags", 60, SaxDbDfn_Core.ColumnIdx.UserRole_Flags, ColumnAlignment.Center, DataValue.DataType.Long);
					break;
				case SaxUserRole.Column.Status:
					SetUserRoleColDfn(columnDfn, "Status", 80, SaxDbDfn_Core.ColumnIdx.UserRole_Status, ColumnAlignment.Center);
					break;
				case SaxUserRole.Column.Status_Desc:
					SetUserRoleColDfn(columnDfn, "Status", 90, SaxDbDfn_Core.ColumnIdx.UserRole_Status, ColumnAlignment.Center);
					break;
				case SaxUserRole.Column.Status_Ind:
					SetUserRoleColDfn(columnDfn, "Status", 80, SaxDbDfn_Core.ColumnIdx.UserRole_Status, ColumnAlignment.Center, DataValue.DataType.TriState);
					columnDfn.TriStateFormat = ColumnTriStateFormat.Lights;
					break;
				case SaxUserRole.Column.CreateOn_Date:
					SetUserRoleColDfn(columnDfn, "Created", 80, SaxDbDfn_Core.ColumnIdx.UserRole_CreateOn, ColumnAlignment.Center, DataValue.DataType.Date);
					columnDfn.ReadOnly = true;
					break;
				case SaxUserRole.Column.UpdateOn_Date:
					SetUserRoleColDfn(columnDfn, "Updated", 80, SaxDbDfn_Core.ColumnIdx.UserRole_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;
		}

		//-------------------------------------------------------------------
		// Item query filter.
		public override List<string> GetUserRoleQueryFilter(SaxUserRole.Params prm)
		{
			List<String> filter = new List<String>();

			// Item Ids.
			String idsIncluded = prm.IdsIncluded.Concat(",");
			if (!idsIncluded.IsEmpty())
				filter.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Id, aliasUserRole) + " IN (" + idsIncluded + ")");
			String idsxcluded = prm.IdsExcluded.Concat(",");
			if (!idsxcluded.IsEmpty())
				filter.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Id, aliasUserRole) + " NOT IN (" + idsxcluded + ")");

			// User accounts.
			String userAccountIdsIncluded = prm.UserAccountIdsIncluded.Concat(",");
			if (!userAccountIdsIncluded.IsEmpty())
				filter.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_UserAccountId, aliasUserRole) + " IN (" + userAccountIdsIncluded + ")");

			// User roles.
			List<TypeCodeDesc> userRoles = UserRoleCodes;
			String userRoleCodes = prm.UserRolesIncluded.Select(item => UserRoleCodes.GetCodeForType(item)).ToList().Concat(",", "'", "'", true, true);
			if (!userRoleCodes.IsEmpty())
				filter.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_UserRoleCode, aliasUserRole) + " IN (" + userRoleCodes + ")");

			// Notes.
			if (!StringUtil.IsEmpty(prm.NotesPartial))
				filter.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Notes, aliasUserRole) + " LIKE '%" + DbQuery.FormatForLike(prm.NotesPartial) + "%'");

			// Status.
			if (prm.StatusCat != SaxUserRole.StatusCat.Any)
				filter.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Status, aliasUserRole) + GetUserRoleStatusCatFilterCondition(prm.StatusCat));

			if (filter.Count < 1) filter.Add("1=1");
			return filter;
		}
		internal static String GetUserRoleStatusCatFilterCondition(SaxUserRole.StatusCat statusCat)
		{
			if (statusCat == SaxUserRole.StatusCat.ActiveOnly)
				return "='" + SacsSystem.GetStatusCode(SaStatus.Active) + "'";
			if (statusCat == SaxUserRole.StatusCat.InactiveOnly)
				return "='" + SacsSystem.GetStatusCode(SaStatus.Inactive) + "'";
			if (statusCat == SaxUserRole.StatusCat.NotDeleted)
				return "!='" + SacsSystem.GetStatusCode(SaStatus.Deleted) + "'";
			if (statusCat == SaxUserRole.StatusCat.DeletedOnly)
				return "='" + SacsSystem.GetStatusCode(SaStatus.Deleted) + "'";
			return "";
		}
		// Item sort columns.
		public List<String> GetUserRoleSortColumns(SaxUserRole.Params prm)
		{
			// Sort sequence:
			List<String> sortColumnNames = new List<String>();
			foreach (var columnDfn in prm.SortColumns)
			{
				// Need to ensure correct alias used for UserRole columns in case of conflict.
				String sortCol = String.Empty;
				if (SaxDbDfn_Core.GetTableForColumn((SaxDbDfn_Core.ColumnIdx)columnDfn.DbColumn) == SaxDbDfn_Core.TableIdx.UserRole)
				{
					sortCol = SaxDbDfn_Core.GetColumnNameQual((SaxDbDfn_Core.ColumnIdx)columnDfn.DbColumn, aliasUserRole);
				}
				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(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Id, aliasUserRole) + " ASC");
			}
			return sortColumnNames;
		}

		//-------------------------------------------------------------------
		// Item count.
		private long GetUserRoleCount(String filter)
		{
			ClearErrorState();
			return CoreDatabase.GetRowCount(SaxDbDfn_Core.GetTableName(SaxDbDfn_Core.TableIdx.UserRole) + " As " + aliasUserRole, filter);
		}
		public override long GetUserRoleCount(SaxUserRole.Params prm)
		{
			ClearErrorState();
			return GetUserRoleCount(GetUserRoleQueryFilter(prm).Concat(" AND ", "(", ")"));
		}

		//-------------------------------------------------------------------
		// Item list.
		public override List<SaxUserRole> GetUserRoleList(SaxUserRole.Params prm)
		{
			List<SaxUserRole> userRoles = new List<SaxUserRole>();
			DbQuery qry = new DbQuery(CoreDatabase.DbmsType);
			qry.Tables.Add(SaxDbDfn_Core.GetTableName(SaxDbDfn_Core.TableIdx.UserRole), aliasUserRole);
			UserRole_Db dbUserRole = new UserRole_Db(CoreDbInfo);
			qry.Columns.AddRange(dbUserRole.ExistingColumnNames);
			qry.Filters.AddRange(GetUserRoleQueryFilter(prm));
			qry.OrderBy.AddRange(GetUserRoleSortColumns(prm));
			// Query data.
			using (var dbConnection = CoreDatabase.CreateConnection())
			using (var dbCommand = dbConnection.CreateCommand())
			{
				try
				{
					dbConnection.Open();
					dbCommand.CommandText = qry.BuildQuery(prm.ResultsPaging);
					using (DbDataReader dbDataReader = dbCommand.ExecuteReader())
					{
						while (dbDataReader.Read())
						{
							dbUserRole = new UserRole_Db(CoreDbInfo);
							dbUserRole.PopulateFrom(dbDataReader);
							userRoles.Add(CreateUserRole(dbUserRole));
						}
					}
				}
				catch (Exception exc)
				{
					SaLogger.Warn(GetType().Name + ".GetUserRoleList\n\tQuery: " + dbCommand.CommandText + "\n\t" + ExceptionUtil.GetLogMessage(exc));
				}
			}
			return userRoles;
		}

		//-------------------------------------------------------------------
		// Item query execution.
		public override DbResultSet ExecuteUserRoleQuery(List<ColumnDfn> columns, SaxUserRole.Params prm)
		{
			ClearErrorState();

			//---------------------------------------------------------------------
			// Construct query.
			DbQuery query = new DbQuery(CoreDatabase.DbmsType);
			query.Tables.Add(SaxDbDfn_Core.GetTableName(SaxDbDfn_Core.TableIdx.UserRole), aliasUserRole);

			// Add columns as defined in query list.
			if (columns.HasId(SaxUserRole.Column.Id))
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Id, aliasUserRole));
			bool hasUserAccountCols = (columns.HasId(SaxUserRole.Column.User_EmailAddress) || columns.HasId(SaxUserRole.Column.User_DisplayName) || columns.HasId(SaxUserRole.Column.User_Title) || columns.HasId(SaxUserRole.Column.User_FirstName) || columns.HasId(SaxUserRole.Column.User_LastName));
			if (columns.HasId(SaxUserRole.Column.UserAccountId) || hasUserAccountCols)
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_UserAccountId, aliasUserRole));
			if (columns.HasId(SaxUserRole.Column.UserRole) || columns.HasId(SaxUserRole.Column.UserRole_Desc))
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_UserRoleCode, aliasUserRole));
			// Common properties.
			if (columns.HasId(SaxUserRole.Column.Notes))
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Notes, aliasUserRole));
			if (columns.HasId(SaxUserRole.Column.Flags))
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Flags, aliasUserRole));
			if (columns.HasId(SaxUserRole.Column.Status) || columns.HasId(SaxUserRole.Column.Status_Desc) || columns.HasId(SaxUserRole.Column.Status_Ind))
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_Status, aliasUserRole));
			if (columns.HasId(SaxUserRole.Column.CreateOn_Date))
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_CreateOn, aliasUserRole));
			if (columns.HasId(SaxUserRole.Column.UpdateOn_Date))
				query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_UpdateOn, aliasUserRole));

			//---------------------------------------------------------------------
			// User Account.
			if (hasUserAccountCols)
			{
				DbQueryJoin joinUserAccount = new DbQueryJoin(DbJoinType.LeftOuter);
				joinUserAccount.Table = new StringPair(SaxDbDfn_Core.GetTableName(SaxDbDfn_Core.TableIdx.UserAccount), aliasUserRole_UserAccount);
				joinUserAccount.Filters.Add(SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserAccount_Id, aliasUserRole_UserAccount) + "=" + SaxDbDfn_Core.GetColumnNameQual(SaxDbDfn_Core.ColumnIdx.UserRole_UserAccountId, aliasUserRole));
				query.Joins.Add(joinUserAccount);
				List<SaxDbDfn_Core.ColumnIdx> cols = new List<SaxDbDfn_Core.ColumnIdx>();
				cols.Add(SaxDbDfn_Core.ColumnIdx.UserAccount_EmailAddress);
				cols.Add(SaxDbDfn_Core.ColumnIdx.UserAccount_Title);
				cols.Add(SaxDbDfn_Core.ColumnIdx.UserAccount_FirstName);
				cols.Add(SaxDbDfn_Core.ColumnIdx.UserAccount_LastName);
				foreach (var col in cols)
					query.Columns.Add(SaxDbDfn_Core.GetColumnNameQual(col, aliasUserRole_UserAccount), prefixUserRole_UserAccount + SaxDbDfn_Core.GetColumnName(col, false));
			}

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

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

			//---------------------------------------------------------------------
			//return new DbResultSet_DataTableReader(db, query.BuildQuery(prm.ResultsPaging));
			return DbResultSet_DataReader.ExecuteQuery(CoreDatabase, query.BuildQuery(prm.ResultsPaging));
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}