internal override string CreateSqlString (CommandFactory factory, bool isFullName, CreateSqlState state)
		{
			string sql = state.GetDataSql (this, isFullName);
			if (sql != null) {
				return sql;
			}

			string query = _query.CreateSqlString (factory, isFullName, state);

			object ifTrue;
			object ifFalse;
			DataFieldInfo ifTrueInfo = _ifTrue as DataFieldInfo;
			DataFieldInfo ifFalseInfo = _ifFalse as DataFieldInfo;
			if (!Object.Equals (ifTrueInfo, null) && !Object.Equals (ifFalseInfo, null)) {
				ifTrue = ifTrueInfo.CreateSqlString (factory, isFullName, state);
				ifFalse = ifFalseInfo.CreateSqlString (factory, isFullName, state);
			}
			else if (!Object.Equals (ifTrueInfo, null)) {
				ifTrue = ifTrueInfo.CreateSqlString (factory, isFullName, state);
				object ifFalseObject = LambdaExpressionExtend.ConvertLambdaObject (_ifFalse);
				ifFalse = state.AddDataParameter (factory, ifFalseObject);
			}
			else if (!Object.Equals (ifFalseInfo, null)) {
				ifFalse = ifFalseInfo.CreateSqlString (factory, isFullName, state);
				object ifTrueObject = LambdaExpressionExtend.ConvertLambdaObject (_ifTrue);
				ifTrue = state.AddDataParameter (factory, ifTrueObject);
			}
			else {
				object ifTrueObject = LambdaExpressionExtend.ConvertLambdaObject (_ifTrue);
				object ifFalseObject = LambdaExpressionExtend.ConvertLambdaObject (_ifFalse);
				ifTrue = state.AddDataParameter (factory, ifTrueObject);
				ifFalse = state.AddDataParameter (factory, ifFalseObject);
			}

			sql = factory.CreateConditionSql (query, ifTrue, ifFalse);
			state.SetDataSql (this, isFullName, sql);
			return sql;
		}
示例#2
0
        internal override string CreateSqlString(CommandFactory factory, out DataParameter[] dataParameters)
        {
            DataParameter[] dp1 = null;
            string          expressionString1 = _expression1.CreateSqlString(factory, out dp1);

            DataParameter[] dp2 = null;
            string          expressionString2 = _expression2.CreateSqlString(factory, out dp2);

            //dataParameters = new DataParameter[dp1.Length + dp2.Length];
            //dp1.CopyTo(dataParameters, 0);
            //dp2.CopyTo(dataParameters, dp1.Length);
            if (dp1 == null && dp2 == null)
            {
                dataParameters = null;
            }
            else
            {
                List <DataParameter> list = new List <DataParameter> ();
                list.AddRange(dp1);
                list.AddRange(dp2);
                dataParameters = list.ToArray();
            }
            return(factory.CreateCatchExpressionSql(expressionString1, expressionString2, _operatorType));
        }