当前位置: 首页>>代码示例>>C#>>正文


C# ColumnDefinition.Any方法代码示例

本文整理汇总了C#中Aurora.Framework.ColumnDefinition.Any方法的典型用法代码示例。如果您正苦于以下问题:C# ColumnDefinition.Any方法的具体用法?C# ColumnDefinition.Any怎么用?C# ColumnDefinition.Any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Aurora.Framework.ColumnDefinition的用法示例。


在下文中一共展示了ColumnDefinition.Any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: UpdateTable

        public override void UpdateTable(string table, ColumnDefinition[] columns,
                                         Dictionary<string, string> renameColumns)
        {
            if (!TableExists(table))
            {
                throw new DataManagerException("Trying to update a table with name of one that does not exist.");
            }

            List<ColumnDefinition> oldColumns = ExtractColumnsFromTable(table);

            Dictionary<string, ColumnDefinition> sameColumns = new Dictionary<string, ColumnDefinition>();
            foreach (ColumnDefinition column in oldColumns)
            {
#if (!ISWIN)
                foreach (ColumnDefinition innercolumn in columns)
                {
                    if (innercolumn.Name.ToLower() == column.Name.ToLower() || renameColumns.ContainsKey(column.Name) && renameColumns[column.Name].ToLower() == innercolumn.Name.ToLower())
                    {
                        sameColumns.Add(column.Name, column);
                        break;
                    }
                }
#else
                if (columns.Any(innercolumn => innercolumn.Name.ToLower() == column.Name.ToLower() ||
                                               renameColumns.ContainsKey(column.Name) &&
                                               renameColumns[column.Name].ToLower() == innercolumn.Name.ToLower()))
                {
                    sameColumns.Add(column.Name, column);
                }
#endif
            }

            string renamedTempTableColumnDefinition = string.Empty;
            string renamedTempTableColumn = string.Empty;

            foreach (ColumnDefinition column in oldColumns)
            {
                if (renamedTempTableColumnDefinition != string.Empty)
                {
                    renamedTempTableColumnDefinition += ", ";
                    renamedTempTableColumn += ", ";
                }
                renamedTempTableColumn += column.Name;
                renamedTempTableColumnDefinition += column.Name + " " + GetColumnTypeStringSymbol(column.Type);
            }
            string query = "CREATE TABLE " + table + "__temp(" + renamedTempTableColumnDefinition + ");";

            var cmd = new SQLiteCommand {CommandText = query};
            ExecuteNonQuery(cmd);
            CloseReaderCommand(cmd);

            query = "INSERT INTO " + table + "__temp SELECT " + renamedTempTableColumn + " from " + table + ";";
            cmd = new SQLiteCommand {CommandText = query};
            ExecuteNonQuery(cmd);
            CloseReaderCommand(cmd);

            query = "drop table " + table;
            cmd = new SQLiteCommand {CommandText = query};
            ExecuteNonQuery(cmd);
            CloseReaderCommand(cmd);

            string newTableColumnDefinition = string.Empty;
#if (!ISWIN)
            List<ColumnDefinition> primaryColumns = new List<ColumnDefinition>();
            foreach (ColumnDefinition column in columns)
            {
                if (column.IsPrimary) primaryColumns.Add(column);
            }
#else
            List<ColumnDefinition> primaryColumns = columns.Where(column => column.IsPrimary).ToList();
#endif

            bool multiplePrimary = primaryColumns.Count > 1;

            foreach (ColumnDefinition column in columns)
            {
                if (newTableColumnDefinition != string.Empty)
                {
                    newTableColumnDefinition += ", ";
                }
                newTableColumnDefinition += column.Name + " " + GetColumnTypeStringSymbol(column.Type) +
                                            ((column.IsPrimary && !multiplePrimary) ? " PRIMARY KEY" : string.Empty);
            }
            string multiplePrimaryString = string.Empty;
            if (multiplePrimary)
            {
                string listOfPrimaryNamesString = string.Empty;
                foreach (ColumnDefinition column in primaryColumns)
                {
                    if (listOfPrimaryNamesString != string.Empty)
                    {
                        listOfPrimaryNamesString += ", ";
                    }
                    listOfPrimaryNamesString += column.Name;
                }
                multiplePrimaryString = string.Format(", PRIMARY KEY ({0}) ", listOfPrimaryNamesString);
            }

            query = string.Format("create table " + table + " ( {0} {1}) ", newTableColumnDefinition,
                                  multiplePrimaryString);
//.........这里部分代码省略.........
开发者ID:savino1976,项目名称:Aurora-Sim,代码行数:101,代码来源:SQLiteDataManager.cs

示例2: UpdateTable

        public override void UpdateTable(string table, ColumnDefinition[] columns, IndexDefinition[] indices, Dictionary<string, string> renameColumns)
        {
            if (!TableExists(table))
            {
                throw new DataManagerException("Trying to update a table with name of one that does not exist.");
            }

            List<ColumnDefinition> oldColumns = ExtractColumnsFromTable(table);

            Dictionary<string, ColumnDefinition> sameColumns = new Dictionary<string, ColumnDefinition>();
            foreach (ColumnDefinition column in oldColumns)
            {
#if (!ISWIN)
                foreach (ColumnDefinition innercolumn in columns)
                {
                    if (innercolumn.Name.ToLower() == column.Name.ToLower() || renameColumns.ContainsKey(column.Name) && renameColumns[column.Name].ToLower() == innercolumn.Name.ToLower())
                    {
                        sameColumns.Add(column.Name, column);
                        break;
                    }
                }
#else
                if (columns.Any(innercolumn => innercolumn.Name.ToLower() == column.Name.ToLower() ||
                                               renameColumns.ContainsKey(column.Name) &&
                                               renameColumns[column.Name].ToLower() == innercolumn.Name.ToLower()))
                {
                    sameColumns.Add(column.Name, column);
                }
#endif
            }

            string renamedTempTableColumnDefinition = string.Empty;
            string renamedTempTableColumn = string.Empty;

            foreach (ColumnDefinition column in oldColumns)
            {
                if (renamedTempTableColumnDefinition != string.Empty)
                {
                    renamedTempTableColumnDefinition += ", ";
                    renamedTempTableColumn += ", ";
                }
                renamedTempTableColumn += column.Name;
                renamedTempTableColumnDefinition += column.Name + " " + GetColumnTypeStringSymbol(column.Type);
            }

            var cmd = new SQLiteCommand {
                CommandText = "CREATE TABLE " + table + "__temp(" + renamedTempTableColumnDefinition + ");"
            };
            ExecuteNonQuery(cmd);
            CloseReaderCommand(cmd);

            cmd = new SQLiteCommand {
                CommandText = "INSERT INTO " + table + "__temp SELECT " + renamedTempTableColumn + " from " + table + ";"
            };
            ExecuteNonQuery(cmd);
            CloseReaderCommand(cmd);

            cmd = new SQLiteCommand {
                CommandText = "drop table " + table
            };
            ExecuteNonQuery(cmd);
            CloseReaderCommand(cmd);

            List<string> newTableColumnDefinition = new List<string>(columns.Length);

            IndexDefinition primary = null;
            foreach (IndexDefinition index in indices)
            {
                if (index.Type == IndexType.Primary)
                {
                    primary = index;
                    break;
                }
            }

            bool has_auto_increment = false;
            foreach (ColumnDefinition column in columns)
            {
                if (column.Type.auto_increment)
                {
                    has_auto_increment = true;
                }
                newTableColumnDefinition.Add(column.Name + " " + GetColumnTypeStringSymbol(column.Type));
            }
            if (!has_auto_increment && primary != null && primary.Fields.Length > 0){
                newTableColumnDefinition.Add("PRIMARY KEY (" + string.Join(", ", primary.Fields) + ")");
            }

            cmd = new SQLiteCommand {
                CommandText = string.Format("create table " + table + " ({0}) ", string.Join(", ", newTableColumnDefinition.ToArray()))
            };
            ExecuteNonQuery(cmd);
            CloseReaderCommand(cmd);

            if (indices.Length >= 1 && (primary == null || indices.Length >= 2))
            {
                newTableColumnDefinition = new List<string>(primary != null ? indices.Length : indices.Length - 1); // reusing existing variable for laziness
                uint i = 0;
                foreach (IndexDefinition index in indices)
                {
//.........这里部分代码省略.........
开发者ID:SignpostMarv,项目名称:Aurora-Sim,代码行数:101,代码来源:SQLiteDataManager.cs


注:本文中的Aurora.Framework.ColumnDefinition.Any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。