/// <summary> /// 对Update类SQL语句进行参数处理 /// </summary> /// <param name="sqlStatement">待处理的SQL语句</param> /// <param name="db">数据访问对象</param> /// <returns>处理后的参数数组</returns> private List <IDbDataParameter> ParameterHandlerForUpdate(SqlStatement sqlStatement, ITeldDatabase db) { var updateSql = sqlStatement as UpdateSqlStatement; var parameters = new List <IDbDataParameter>(updateSql.UpdateFields.ChildCollection.Count); for (int parameterIndex = 0; parameterIndex < updateSql.UpdateFields.ChildCollection.Count; parameterIndex++) { UpdateField updateField = updateSql.UpdateFields.ChildCollection[parameterIndex] as UpdateField; if (updateField == null) { throw new Exception("ParameterHandlerForUpdate.updateField, parameterIndex:" + parameterIndex); } FieldValue feildValue = updateSql.UpdateValues.ChildCollection[parameterIndex] as FieldValue; if (feildValue == null) { throw new Exception("ParameterHandlerForUpdate.feildValue, parameterIndex:" + parameterIndex); } parameters.Add(ParameterHandler(db, feildValue, updateField)); } return(parameters); }
private FieldValue fieldValue; //主键字段值 #endregion #region 构造函数 /// <summary> /// 构造函数 /// </summary> public SqlPrimaryKeyField() : base() { //this.field = new Field(); this.fieldValue = new FieldValue(); }