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C# IObjectInfo.GetUpdateValues方法代码示例

本文整理汇总了C#中IObjectInfo.GetUpdateValues方法的典型用法代码示例。如果您正苦于以下问题:C# IObjectInfo.GetUpdateValues方法的具体用法?C# IObjectInfo.GetUpdateValues怎么用?C# IObjectInfo.GetUpdateValues使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IObjectInfo的用法示例。


在下文中一共展示了IObjectInfo.GetUpdateValues方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: BuildUpdateSqlQuery

        /// <summary>
        /// Builds an SqlQuery to update the database record for the specified instance with the current property values of the instance.
        /// </summary>
        /// <param name="objectInfo">The object information.</param>
        /// <param name="instance">The instance to update.</param>
        /// <returns>
        /// The created <see cref="SqlQuery" />.
        /// </returns>
        public SqlQuery BuildUpdateSqlQuery(IObjectInfo objectInfo, object instance)
        {
            if (objectInfo == null)
            {
                throw new ArgumentNullException("objectInfo");
            }

            string updateCommand;

            if (!this.updateCommandCache.TryGetValue(objectInfo.ForType, out updateCommand))
            {
                var builder = new UpdateSqlBuilder(this.SqlCharacters)
                    .Table(objectInfo);

                for (int i = 0; i < objectInfo.TableInfo.Columns.Count; i++)
                {
                    var columnInfo = objectInfo.TableInfo.Columns[i];

                    if (columnInfo.AllowUpdate)
                    {
                        builder.SetColumnValue(columnInfo.ColumnName, null);
                    }
                }

                var updateSqlQuery = builder.WhereEquals(objectInfo.TableInfo.IdentifierColumn.ColumnName, objectInfo.GetIdentifierValue(instance))
                    .ToSqlQuery();

                var newUpdateCommandCache = new Dictionary<Type, string>(this.updateCommandCache);
                newUpdateCommandCache[objectInfo.ForType] = updateSqlQuery.CommandText;
                updateCommand = updateSqlQuery.CommandText;

                this.updateCommandCache = newUpdateCommandCache;
            }

            var updateValues = objectInfo.GetUpdateValues(instance);

            return new SqlQuery(updateCommand, updateValues);
        }
开发者ID:rubenalves,项目名称:MicroLite,代码行数:46,代码来源:SqlDialect.cs

示例2: BuildUpdateSqlQuery

        /// <summary>
        /// Builds an SqlQuery to update the database record for the specified instance with the current property values of the instance.
        /// </summary>
        /// <param name="objectInfo">The object information.</param>
        /// <param name="instance">The instance to update.</param>
        /// <returns>
        /// The created <see cref="SqlQuery" />.
        /// </returns>
        public SqlQuery BuildUpdateSqlQuery(IObjectInfo objectInfo, object instance)
        {
            if (objectInfo == null)
            {
                throw new ArgumentNullException("objectInfo");
            }

            if (log.IsDebug)
            {
                log.Debug(LogMessages.SqlDialect_CreatingSqlQuery, "UPDATE");
            }

            string updateCommand;

            if (!this.updateCommandCache.TryGetValue(objectInfo.ForType, out updateCommand))
            {
                updateCommand = this.BuildUpdateCommandText(objectInfo);

                var newUpdateCommandCache = new Dictionary<Type, string>(this.updateCommandCache);
                newUpdateCommandCache[objectInfo.ForType] = updateCommand;

                this.updateCommandCache = newUpdateCommandCache;
            }

            var updateValues = objectInfo.GetUpdateValues(instance);

            return new SqlQuery(updateCommand, updateValues);
        }
开发者ID:natarajanmca11,项目名称:MicroLite,代码行数:36,代码来源:SqlDialect.cs


注:本文中的IObjectInfo.GetUpdateValues方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。