当前位置: 首页>>代码示例>>C#>>正文


C# Index.ResetDefaults方法代码示例

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


在下文中一共展示了Index.ResetDefaults方法的3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: GetTableConstraintIndexes

        internal void GetTableConstraintIndexes(Table table)
        {
            DataRow[] indexRows = connector.Indexes.Select(string.Format("TABLE_NAME = '{0}' AND TABLE_SCHEMA = '{1}'", table.Name.Replace("'", "''"), table.Schema));

            for (int i = 0; i < indexRows.Length; i++)
            {
                DataRow indexRow = indexRows[i];
                DatabaseIndexType indexType = GetIndexType(indexRow["CONSTRAINT_TYPE"].ToString());

                var indexColumnRows = new List<DataRow>();

                indexColumnRows.AddRange(connector.Columns.Select(string.Format("TABLE_NAME = '{0}' AND TABLE_SCHEMA = '{1}' AND COLUMN_NAME  = '{2}'", table.Name.Replace("'", "''"), table.Schema, indexRow["COLUMN_NAME"])));

                while ((i < indexRows.Length - 1) && (string)indexRows[i + 1]["TABLE_NAME"] == table.Name && (string)indexRows[i + 1]["INDEX_NAME"] == (string)indexRow["INDEX_NAME"])
                {
                    i++;
                    indexRow = indexRows[i];
                    indexColumnRows.AddRange(connector.Columns.Select(string.Format("TABLE_NAME = '{0}' AND TABLE_SCHEMA = '{1}' AND COLUMN_NAME  = '{2}'", table.Name.Replace("'", "''"), table.Schema, indexRow["COLUMN_NAME"])));
                }
                bool isUnique = (int)indexRow["IS_UNIQUE"] == 1;
                bool isClustered = Convert.ToInt32(indexRow["IS_CLUSTERED"]) == 1;
                Index index = new Index
                {
                    Name = indexRow["INDEX_NAME"].ToString(),
                    IsUserDefined = false,
                    IndexType = indexType,
                    Parent = table,
                    IsUnique = isUnique,
                    IsClustered = isClustered
                };

                // Fill Columns
                foreach (DataRow indexColumnRow in indexColumnRows)
                {
                    var column = index.AddColumn((string)indexColumnRow["COLUMN_NAME"]);

                    if (index.IsUnique && indexColumnRows.Count == 1)
                    {
                        // Columns are only unique if the index has one column
                        column.IsUnique = true;
                    }
                }
                index.ResetDefaults();
                table.AddIndex(index);
            }
        }
开发者ID:uQr,项目名称:Visual-NHibernate,代码行数:46,代码来源:MySQLDatabaseLoader.cs

示例2: GetUniqueIndexes

        private void GetUniqueIndexes(Table table)
        {
            DataRow[] indexRows = connector.GetUniqueIndexes().Select(string.Format("TABLE_NAME = '{0}' AND TABLE_SCHEMA = '{1}'", table.Name.Replace("'", "''"), table.Schema));

            for (int i = 0; i < indexRows.Length; i++)
            {
                DataRow indexRow = indexRows[i];

                Index index = new Index
                {
                    Name = (string)indexRow["INDEX_NAME"],
                    IsUserDefined = false,
                    IsUnique = true,
                    IsClustered = (long)indexRow["IS_CLUSTERED"] == 1,
                    IndexType = DatabaseIndexType.Unique,
                    Parent = table
                };

                List<DataRow> indexColumnRows = new List<DataRow>();

                indexColumnRows.AddRange(connector.Columns.Select(string.Format("TABLE_NAME = '{0}' AND TABLE_SCHEMA = '{1}' AND COLUMN_NAME  = '{2}'", table.Name.Replace("'", "''"), table.Schema, indexRow["COLUMN_NAME"])));

                while ((i < indexRows.Length - 1) && (string)indexRows[i + 1]["TABLE_NAME"] == table.Name && (string)indexRows[i + 1]["INDEX_NAME"] == (string)indexRow["INDEX_NAME"])
                {
                    i++;
                    indexRow = indexRows[i];
                    indexColumnRows.AddRange(connector.Columns.Select(string.Format("TABLE_NAME = '{0}' AND TABLE_SCHEMA = '{1}' AND COLUMN_NAME  = '{2}'", table.Name.Replace("'", "''"), table.Schema, indexRow["COLUMN_NAME"])));
                }

                // Fill Columns
                foreach (DataRow indexColumnRow in indexColumnRows)
                {
                    var column = index.AddColumn((string)indexColumnRow["COLUMN_NAME"]);

                    if (index.IsUnique && indexColumnRows.Count == 1)
                    {
                        // Columns are only unique if the index has one column
                        column.IsUnique = true;
                    }
                }

                index.ResetDefaults();
                table.AddIndex(index);
            }
        }
开发者ID:uQr,项目名称:Visual-NHibernate,代码行数:45,代码来源:MySQLDatabaseLoader.cs

示例3: GetUniqueIndexes

        private void GetUniqueIndexes(Table table)
        {
            List<DataRow> indexRows = connector.GetIndexRows(table.Schema, table.Name.Replace("'", "''"));

            for (int i = 0; i < indexRows.Count; i++)
            {
                DataRow indexRow = indexRows[i];

                Index index = new Index
                {
                    Name = (string)indexRow["INDEX_NAME"],
                    IsUserDefined = false,
                    IsUnique = true,
                    IsClustered = Convert.ToInt32(indexRow["IS_CLUSTERED"]) == 1,
                    IndexType = DatabaseIndexType.Unique,
                    Parent = table
                };

                List<DataRow> indexColumnRows = new List<DataRow>();

                indexColumnRows.AddRange(connector.ColumnsBySchema[table.Schema][table.Name.Replace("'", "''")].Where(c => c[OrdColumn].ToString() == indexRow["COLUMN_NAME"].ToString()));

                while ((i < indexRows.Count - 1) && (string)indexRows[i + 1]["TABLE_NAME"] == table.Name && (string)indexRows[i + 1]["INDEX_NAME"] == (string)indexRow["INDEX_NAME"])
                {
                    i++;
                    indexRow = indexRows[i];
                    indexColumnRows.AddRange(connector.ColumnsBySchema[table.Schema][table.Name.Replace("'", "''")].Where(c => c[OrdColumn].ToString() == indexRow["COLUMN_NAME"]));
                }

                // Fill Columns
                foreach (DataRow indexColumnRow in indexColumnRows)
                {
                    var column = index.AddColumn((string)indexColumnRow["COLUMN_NAME"]);

                    if (index.IsUnique && indexColumnRows.Count == 1)
                    {
                        // Columns are only unique if the index has one column
                        column.IsUnique = true;
                    }
                }

                index.ResetDefaults();
                table.AddIndex(index);
            }
        }
开发者ID:uQr,项目名称:Visual-NHibernate,代码行数:45,代码来源:OracleDatabaseLoader.cs


注:本文中的Index.ResetDefaults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。