Пример #1
0
        public List <DbData> GetTableData(string tableName, int start = 0, int length = -1)
        {//select * from(select t.*,ROWNUM r from pt_oper_log t )where r>50 and r<=100
            string row = "row" + Guid.NewGuid().ToString("N").Substring(24);
            //private string _sqlFormat = "select * from (select t.*, rownum {0} from ({1}) t where rownum <= {2}) where {0} > {3}";
            string sql = "select * from(select t.*,ROWNUM " + row + " from " + tableName + " t) where " + row + ">" + start;

            if (length > 0)
            {
                sql += " and " + row + "<=" + (start + length);
            }
            DataTable        dt    = _oracleHelper.ExecuteDataTable(sql);
            List <DbData>    datas = new List <DbData>();
            OracleTableClass otc   = GetTable(tableName) as OracleTableClass;

            string[] tableColumnNames   = new string[dt.Columns.Count - 1];
            object[] tableColumnDbTypes = new object[dt.Columns.Count - 1];
            Type[]   tableColumnTypes   = new Type[dt.Columns.Count - 1];
            for (int i = 0; i < dt.Columns.Count - 1; i++)
            {
                tableColumnNames[i] = dt.Columns[i].ColumnName;
                tableColumnTypes[i] = dt.Columns[i].DataType;
                if (otc != null)
                {
                    tableColumnDbTypes[i] = MyDbHelper.GetDbDataType(Convert.ToString(((OracleTableColClass)(otc[dt.Columns[i].ColumnName])).data_type), MyDbType.Oracle, MyDbType.Oracle);
                }
                else
                {
                    tableColumnDbTypes[i] = dt.Columns[i].DataType;
                }
            }
            foreach (DataRow item in dt.Rows)
            {
                TableDataRow tdr = new TableDataRow();
                tdr.dbType = MyDbType.Oracle;
                object[] tableValues = new object[dt.Columns.Count - 1];
                for (int i = 0; i < dt.Columns.Count - 1; i++)
                {
                    tableValues[i] = item.ItemArray[i];
                }
                DbData dbData = new DbData(MyDbType.Oracle, tableName, tableColumnNames, tableColumnTypes, tableColumnDbTypes, tableValues);
                datas.Add(dbData);
            }
            return(datas);
        }
Пример #2
0
 public DbData(TableDataRow tableDataRow)
 {
     _tableDataRow = tableDataRow;
 }
Пример #3
0
 public DbData(MyDbType dbType, string tableName, string[] tableColumnNames, Type[] tableColumnTypes, object[] tableColumnDbTypes, object[] tableValues=null)
 {
     _tableDataRow = new TableDataRow(dbType, tableName, tableColumnNames, tableColumnTypes, tableColumnDbTypes, tableValues);
 }
Пример #4
0
 public DbData(TableDataRow tableDataRow)
 {
     _tableDataRow = tableDataRow;
 }
Пример #5
0
 public DbData(MyDbType dbType, string tableName, string[] tableColumnNames, Type[] tableColumnTypes, object[] tableColumnDbTypes, object[] tableValues = null)
 {
     _tableDataRow = new TableDataRow(dbType, tableName, tableColumnNames, tableColumnTypes, tableColumnDbTypes, tableValues);
 }
Пример #6
0
        public List<DbData> GetTableData(string tableName, int start = 0, int length = -1)
        {
            //select * from(select t.*,ROWNUM r from pt_oper_log t )where r>50 and r<=100

            string row="row"+Guid.NewGuid().ToString("N").Substring(24);
            //private string _sqlFormat = "select * from (select t.*, rownum {0} from ({1}) t where rownum <= {2}) where {0} > {3}";
            string sql = "select * from(select t.*,ROWNUM " + row + " from " + tableName + " t) where " + row + ">" + start;
            if (length>0)
            {
                sql += " and " + row + "<=" + (start + length);
            }
            DataTable dt = _oracleHelper.ExecuteDataTable(sql);
            List<DbData> datas = new List<DbData>();
            OracleTableClass otc = GetTable(tableName) as OracleTableClass;
            string[] tableColumnNames = new string[dt.Columns.Count-1];
            object[] tableColumnDbTypes = new object[dt.Columns.Count-1];
            Type[] tableColumnTypes = new Type[dt.Columns.Count-1];
            for (int i = 0; i < dt.Columns.Count-1; i++)
            {
                tableColumnNames[i] = dt.Columns[i].ColumnName;
                tableColumnTypes[i] = dt.Columns[i].DataType;
                if (otc != null)
                {
                    tableColumnDbTypes[i] = MyDbHelper.GetDbDataType(Convert.ToString(((OracleTableColClass)(otc[dt.Columns[i].ColumnName])).data_type), MyDbType.Oracle, MyDbType.Oracle);
                }
                else
                {
                    tableColumnDbTypes[i] = dt.Columns[i].DataType;
                }
            }
            foreach (DataRow item in dt.Rows)
            {
                TableDataRow tdr = new TableDataRow();
                tdr.dbType = MyDbType.Oracle;
                object[] tableValues = new object[dt.Columns.Count - 1];
                for (int i = 0; i <  dt.Columns.Count - 1; i++)
                {
                    tableValues[i] = item.ItemArray[i];
                }
                DbData dbData = new DbData(MyDbType.Oracle, tableName, tableColumnNames, tableColumnTypes, tableColumnDbTypes, tableValues);
                datas.Add(dbData);
            }
            return datas;
        }