コード例 #1
0
        /// <summary>
        /// insert () select
        /// </summary>
        /// <param name="SelectCmd"></param>
        /// <param name="Columns">select的字段</param>
        /// <returns></returns>
        public virtual bool Insert(ODACmd SelectCmd, params IODAColumns[] Columns)
        {
            try
            {
                var sql = new ODAScript()
                {
                    ScriptType = SQLType.Insert,
                };
                sql.SqlScript.Append("INSERT INTO ").Append(this.CmdName).Append("(");
                string Column = "";
                for (int i = 0; i < Columns.Length; i++)
                {
                    if (string.IsNullOrWhiteSpace(Columns[i].AliasName))
                    {
                        Column += Columns[i].ColumnName + ",";
                    }
                    else
                    {
                        Column += Columns[i].AliasName + ",";
                    }
                }
                sql.SqlScript.Append(Column.Remove(Column.Length - 1, 1)).Append(") ");
                var sSql = SelectCmd.GetSelectSql(Columns);
                sql.Merge(sSql);

                var db = this.GetDBAccess(sql);
                if (db == null)
                {
                    throw new ODAException(10016, "ODACmd Insert 没有执行程序");
                }
                var prms = sql.ParamList.ToArray();
                return(db.ExecuteSQL(sql.SqlScript.ToString(), prms) > 0);
            }
            finally
            {
                this.Clear();
            }
        }
コード例 #2
0
 /// <summary>
 /// 在数据库中Procedure
 /// </summary>
 /// <param name="Params">存储过程的参数及其值</param>
 /// <returns></returns>
 public virtual DataSet Procedure(params IODAColumns[] Params)
 {
     try
     {
         string sqlScript = "";
         var    prms      = this.GetProcedureSql(out sqlScript, Params);
         var    sql       = new ODAScript()
         {
             ScriptType = SQLType.Procedure,
         };
         sql.ParamList.AddRange(prms);
         sql.TableList.Add(sqlScript);
         var db = this.GetDBAccess(sql);
         if (db == null)
         {
             throw new ODAException(10017, "ODACmd Procedure 没有执行程序");
         }
         return(db.ExecuteProcedure(sqlScript, prms));
     }
     finally
     {
         this.Clear();
     }
 }
コード例 #3
0
        /// <summary>
        /// 生成查询语句
        /// </summary>
        /// <param name="SelectSql">sql脚本</param>
        /// <param name="Cols">变量列表及变操作符</param>
        /// <returns>变量列表</returns>
        public virtual ODAScript GetSelectSql(params IODAColumns[] Cols)
        {
            ODAScript sql = new ODAScript()
            {
                ScriptType = SQLType.Select,
            };

            if (_Distinct)
            {
                sql.SqlScript.Append("SELECT DISTINCT ");
            }
            else
            {
                sql.SqlScript.Append("SELECT ");
            }

            if (Cols == null || Cols.Length == 0)
            {
                sql.SqlScript.Append(" * ");
            }
            else
            {
                string         SubSelectSql  = "";
                ODAParameter[] SubSelectPrms = GetSelectColumns(",", out SubSelectSql, Cols);
                sql.SqlScript.Append(SubSelectSql);
                if (SubSelectPrms != null && SubSelectPrms.Length > 0)
                {
                    sql.ParamList.AddRange(SubSelectPrms);
                }
            }
            var fSql = this.GetFromSubString();

            sql.Merge(fSql);

            if (_WhereList.Count > 0 || _OrList.Count > 0)
            {
                sql.SqlScript.Append(" WHERE ");
                var asql = GetWhereSubSql(_WhereList, " AND ");
                sql.Merge(asql);
                if (_OrList.Count > 0)
                {
                    if (_WhereList.Count > 0)
                    {
                        sql.SqlScript.Append(" OR ");
                    }
                    var osql = GetWhereSubSql(_OrList, " OR ");
                    sql.Merge(osql);
                }
            }
            if (_Groupby.Count > 0)
            {
                var gy = GetGroupByColumns(_Groupby.ToArray());
                sql.SqlScript.Append(" GROUP BY ");
                sql.Merge(gy);
            }
            if (_Having.Count > 0)
            {
                var hsql = GetWhereSubSql(_Having, " AND ");
                sql.SqlScript.Append(" HAVING ");
                sql.Merge(hsql);
            }

            if (_UnionCmd.Count > 0)
            {
                for (int i = 0; i < _UnionCmd.Count; i++)
                {
                    sql.SqlScript.AppendLine(" ");
                    sql.SqlScript.AppendLine(_UnionCmd[i].JoinScript);
                    var Union = _UnionCmd[i].UnionCmd.GetCmdSql();
                    Union.SqlScript.Remove(0, 1);
                    Union.SqlScript.Remove(Union.SqlScript.Length - 1, 1);
                    sql.Merge(Union);
                }
            }

            if (_Orderby.Count > 0)
            {
                var oy = GetOrderbyColumns(_Orderby.ToArray());
                sql.OrderBy.Clear();
                sql.OrderBy.Append(" ORDER BY ");
                sql.OrderBy.Append(oy.OrderBy.ToString());
                sql.SqlScript.Append(sql.OrderBy.ToString());
                sql.Merge(oy);
            }
            return(sql);
        }
コード例 #4
0
        private ODAScript GetCaseWhenSql()
        {
            ODAScript sql = new ODAScript();

            sql.SqlScript.Append("( CASE ");
            foreach (KeyValuePair <ODAColumns, object> wt in _WhenThen)
            {
                sql.SqlScript.Append(" WHEN ");
                var wSql = ((IODAColumns)wt.Key).GetWhereSubstring();
                sql.Merge(wSql);
                if (wt.Value is ODAColumns)
                {
                    sql.SqlScript.Append(" THEN ").Append(((ODAColumns)wt.Value).ODAColumnName);
                }
                else if (wt.Value is System.DBNull)
                {
                    sql.SqlScript.Append(" THEN NULL ");
                }
                else
                {
                    ODAParameter paramSub = new ODAParameter();
                    paramSub.ColumnName  = wt.Key.ODAColumnName;
                    paramSub.ParamsName  = ODAParameter.ODAParamsMark + _Cmd.GetAlias();
                    paramSub.ParamsValue = wt.Value;
                    paramSub.Direction   = System.Data.ParameterDirection.Input;
                    paramSub.Size        = 2000;
                    paramSub.DBDataType  = (wt.Value is DateTime ? ODAdbType.ODatetime : wt.Value.GetType().IsPrimitive ? ODAdbType.ODecimal : ODAdbType.OVarchar);
                    sql.SqlScript.Append(" THEN ").Append(paramSub.ParamsName);
                    sql.ParamList.Add(paramSub);
                }
            }

            if (_CaseElseVal is ODAColumns)
            {
                string         slt;
                ODAParameter[] sltPrm = ((IODAColumns)_CaseElseVal).GetSelectColumn(out slt);
                if (sltPrm != null && sltPrm.Length > 0)
                {
                    sql.ParamList.AddRange(sltPrm);
                }
                sql.SqlScript.Append(" ELSE ").Append(slt).Append(" END )");
            }
            else if (_CaseElseVal is System.DBNull || _CaseElseVal == null || string.IsNullOrWhiteSpace(_CaseElseVal.ToString()))
            {
                sql.SqlScript.Append(" ELSE NULL END ) ");
            }
            else
            {
                ODAParameter paramSub = new ODAParameter();
                paramSub.ColumnName  = "";
                paramSub.ParamsName  = ODAParameter.ODAParamsMark + _Cmd.GetAlias();
                paramSub.ParamsValue = _CaseElseVal;
                paramSub.Direction   = System.Data.ParameterDirection.Input;
                paramSub.Size        = 2000;
                paramSub.DBDataType  = (_CaseElseVal is DateTime ? ODAdbType.ODatetime : _CaseElseVal.GetType().IsPrimitive ? ODAdbType.ODecimal : ODAdbType.OVarchar);
                sql.SqlScript.Append(" ELSE ").Append(paramSub.ParamsName).Append(" END ) ");
                sql.ParamList.Add(paramSub);
            }
            _FuncName = "";
            return(sql);
        }
コード例 #5
0
        private ODAScript GetCaseSql()
        {
            ODAScript sql = new ODAScript();

            sql.SqlScript.Append("( CASE ").Append(_CaseCol.ODAColumnName);
            foreach (KeyValuePair <object, object> wt in _CaseThen)
            {
                if (wt.Key is ODAColumns)
                {
                    sql.SqlScript.Append(" WHEN ").Append(((IODAColumns)wt.Key).GetColumnName());
                }
                else if (wt.Key is System.DBNull)
                {
                    sql.SqlScript.Append(" WHEN NULL ");
                }
                else
                {
                    ODAParameter paramSub = new ODAParameter();
                    paramSub.ColumnName  = _CaseCol.ODAColumnName;
                    paramSub.ParamsName  = ODAParameter.ODAParamsMark + _Cmd.GetAlias();
                    paramSub.ParamsValue = wt.Key;
                    paramSub.Direction   = System.Data.ParameterDirection.Input;
                    paramSub.Size        = 2000;
                    paramSub.DBDataType  = (wt.Key is DateTime ? ODAdbType.ODatetime : wt.Value.GetType().IsPrimitive ? ODAdbType.ODecimal : ODAdbType.OVarchar);

                    sql.SqlScript.Append(" WHEN ").Append(paramSub.ParamsName);
                    sql.ParamList.Add(paramSub);
                }

                if (wt.Value is ODAColumns)
                {
                    sql.SqlScript.Append(" THEN ").Append(((ODAColumns)wt.Value).ODAColumnName);
                }
                else if (wt.Value is System.DBNull)
                {
                    sql.SqlScript.Append(" THEN NULL ");
                }
                else
                {
                    ODAParameter paramSub = new ODAParameter();
                    paramSub.ColumnName  = _CaseCol.ODAColumnName;
                    paramSub.ParamsName  = ODAParameter.ODAParamsMark + _Cmd.GetAlias();;
                    paramSub.ParamsValue = wt.Value;
                    paramSub.Direction   = System.Data.ParameterDirection.Input;
                    paramSub.Size        = 2000;
                    paramSub.DBDataType  = (wt.Value is DateTime ? ODAdbType.ODatetime : wt.Value.GetType().IsPrimitive ? ODAdbType.ODecimal : ODAdbType.OVarchar);
                    sql.SqlScript.Append(" THEN ").Append(paramSub.ParamsName);
                    sql.ParamList.Add(paramSub);
                }
            }

            if (_CaseElseVal is ODAColumns)
            {
                sql.SqlScript.Append(" ELSE ").Append(((IODAColumns)_CaseElseVal).GetColumnName()).Append(" END )");
            }
            else if (_CaseElseVal is System.DBNull || _CaseElseVal == null || string.IsNullOrWhiteSpace(_CaseElseVal.ToString()))
            {
                sql.SqlScript.Append(" ELSE NULL END ) ");
            }
            else
            {
                ODAParameter paramSub = new ODAParameter();
                paramSub.ColumnName  = _CaseCol.ODAColumnName;
                paramSub.ParamsName  = ODAParameter.ODAParamsMark + _Cmd.GetAlias();
                paramSub.ParamsValue = _CaseElseVal;
                paramSub.Direction   = System.Data.ParameterDirection.Input;
                paramSub.Size        = 2000;
                paramSub.DBDataType  = (_CaseElseVal is DateTime ? ODAdbType.ODatetime : _CaseElseVal.GetType().IsPrimitive ? ODAdbType.ODecimal : ODAdbType.OVarchar);
                sql.SqlScript.Append(" ELSE ").Append(paramSub.ParamsName).Append(" END ) ");
                sql.ParamList.Add(paramSub);
            }
            this._FuncName = "";
            return(sql);
        }
コード例 #6
0
        protected virtual ODAScript GetWhereSubstring()
        {
            ODAScript sql = new ODAScript();

            sql.SqlScript.Append(GetColumnName());
            if (_CompareValue is ODAColumns)
            {
                switch (_Symbol)
                {
                case CmdConditionSymbol.BIGGER:
                    sql.SqlScript.Append(" > ");
                    break;

                case CmdConditionSymbol.EQUAL:
                    sql.SqlScript.Append(" = ");
                    break;

                case CmdConditionSymbol.LIKE:
                    sql.SqlScript.Append(" LIKE ");
                    break;

                case CmdConditionSymbol.NOTLIKE:
                    sql.SqlScript.Append(" NOT LIKE ");
                    break;

                case CmdConditionSymbol.NOTBIGGER:
                    sql.SqlScript.Append(" <= ");
                    break;

                case CmdConditionSymbol.NOTEQUAL:
                    sql.SqlScript.Append(" <> ");
                    break;

                case CmdConditionSymbol.NOTSMALLER:
                    sql.SqlScript.Append(" >= ");
                    break;

                case CmdConditionSymbol.SMALLER:
                    sql.SqlScript.Append(" < ");
                    break;

                case CmdConditionSymbol.ADD:
                    sql.SqlScript.Append(" + ");
                    break;

                case CmdConditionSymbol.REDUCE:
                    sql.SqlScript.Append(" - ");
                    break;

                case CmdConditionSymbol.TAKE:
                    sql.SqlScript.Append(" * ");
                    break;

                case CmdConditionSymbol.REMOVE:
                    sql.SqlScript.Append(" / ");
                    break;

                case CmdConditionSymbol.STAY:
                    sql.SqlScript.Append(" % ");
                    break;

                default:
                    throw new ODAException(20005, string.IsNullOrEmpty(_ColumnComment) ? _ColumnName + " not assign" : _ColumnComment + "CmdConditionSymbol Errror");
                }
                if (((ODAColumns)_CompareValue)._Symbol == CmdConditionSymbol.NONE)
                {
                    sql.SqlScript.Append(((ODAColumns)_CompareValue).ODAColumnName);
                }
                else
                {
                    var sub = ((IODAColumns)_CompareValue).GetWhereSubstring();
                    sql.Merge(sub);
                }
            }
            else
            {
                ODAParameter param = new ODAParameter();
                string       PName = ODAParameter.ODAParamsMark + _Cmd.GetAlias();
                param.ColumnName  = this.ODAColumnName;
                param.ParamsName  = PName;
                param.ParamsValue = _CompareValue == null ? System.DBNull.Value : _CompareValue;
                param.DBDataType  = _DBDataType;
                param.Direction   = _PDirection;
                param.Size        = _Size;
                switch (_Symbol)
                {
                case CmdConditionSymbol.BIGGER:
                    sql.SqlScript.Append(" > ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.EQUAL:
                    sql.SqlScript.Append(" = ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.IN:
                    if (_InCmd == null && _CompareValue != System.DBNull.Value)
                    {
                        object[] ValueList = (object[])_CompareValue;
                        string   paramName = _Cmd.GetAlias();
                        sql.SqlScript.Append(" IN (");
                        for (int k = 0; k < ValueList.Length; k++)
                        {
                            ODAParameter paramSub = new ODAParameter();
                            paramSub.ColumnName  = this.ODAColumnName;
                            paramSub.ParamsName  = ODAParameter.ODAParamsMark + paramName + "_" + k.ToString();
                            paramSub.ParamsValue = ValueList[k];
                            paramSub.DBDataType  = _DBDataType;
                            paramSub.Direction   = _PDirection;
                            paramSub.Size        = _Size;
                            sql.SqlScript.Append(paramSub.ParamsName).Append(",");
                            sql.ParamList.Add(paramSub);
                        }
                        sql.SqlScript.Remove(sql.SqlScript.Length - 1, 1).Append(")");
                    }
                    else
                    {
                        var    subSql = ((ODACmd)_InCmd).GetSelectSql(_InColumn);
                        string inSql  = " IN ( " + subSql.SqlScript.ToString() + ")";
                        subSql.SqlScript.Clear();
                        subSql.SqlScript.Append(inSql);
                        sql.Merge(subSql);
                    }
                    break;

                case CmdConditionSymbol.NOTIN:
                    if (_InCmd == null && _CompareValue != System.DBNull.Value)
                    {
                        object[] ValueList = (object[])_CompareValue;
                        sql.SqlScript.Append(" NOT IN (");
                        string paramName = _Cmd.GetAlias();
                        for (int k = 0; k < ValueList.Length; k++)
                        {
                            ODAParameter paramSub = new ODAParameter();
                            paramSub.ColumnName  = this.ODAColumnName;
                            paramSub.ParamsName  = ODAParameter.ODAParamsMark + paramName + "_" + k.ToString();
                            paramSub.ParamsValue = ValueList[k];
                            paramSub.DBDataType  = _DBDataType;
                            paramSub.Direction   = _PDirection;
                            paramSub.Size        = _Size;

                            sql.SqlScript.Append(paramSub.ParamsName).Append(",");
                            sql.ParamList.Add(paramSub);
                        }
                        sql.SqlScript.Remove(sql.SqlScript.Length - 1, 1).Append(")");
                    }
                    else
                    {
                        var    subSql = ((ODACmd)_InCmd).GetSelectSql(_InColumn);
                        string inSql  = " NOT IN ( " + subSql.SqlScript.ToString() + ")";
                        subSql.SqlScript.Clear();
                        subSql.SqlScript.Append(inSql);
                        sql.Merge(subSql);
                    }
                    break;

                case CmdConditionSymbol.LIKE:
                    sql.SqlScript.Append(" LIKE ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.NOTLIKE:
                    sql.SqlScript.Append(" NOT LIKE ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.NOTBIGGER:
                    sql.SqlScript.Append(" <= ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.NOTEQUAL:
                    sql.SqlScript.Append(" <>  ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.NOTSMALLER:
                    sql.SqlScript.Append(" >= ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.SMALLER:
                    sql.SqlScript.Append("  < ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.ISNOTNULL:
                    sql.SqlScript.Append(" IS NOT NULL ");
                    break;

                case CmdConditionSymbol.ISNULL:
                    sql.SqlScript.Append(" IS NULL ");
                    break;

                case CmdConditionSymbol.ADD:
                    sql.SqlScript.Append(" + ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.REDUCE:
                    sql.SqlScript.Append(" - ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.TAKE:
                    sql.SqlScript.Append(" * ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.REMOVE:
                    sql.SqlScript.Append(" / ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                case CmdConditionSymbol.STAY:
                    sql.SqlScript.Append(" % ").Append(param.ParamsName);
                    sql.ParamList.Add(param);
                    break;

                default:
                    throw new ODAException(20006, string.IsNullOrWhiteSpace(_ColumnComment) ? _ColumnName + " not assign" : _ColumnComment + "CmdConditionSymbol Errror");
                }
            }

            var ar = new ODAScript();

            for (int i = 0; i < _SqlColumnList.Count; i++)
            {
                ar.SqlScript.Append(_SqlColumnList[i].ConnScript);
                var cc = _SqlColumnList[i].SqlColumn.GetWhereSubstring();
                ar.Merge(cc);
            }
            if (ar.SqlScript.Length > 0)
            {
                sql.Merge(ar);
                sql.SqlScript.Insert(0, "(").Append(")");
            }
            return(sql);
        }