• DB2通用分页存储过程


    sql代码

    CREATE PROCEDURE "P_GETPAGEDATANEW"
    (
    p_TableName varchar(500),--表名称
    p_NickName varchar(200),--表昵称
    p_IDName varchar(200),--表主键名称
    p_PageIndex integer,--当前页数
    p_PageSize integer,--每页大小
    p_Strwhere varchar(8000),
    OUT p_count integer --总记录
    )
    LANGUAGE SQL
    BEGIN
        DECLARE startNumber Integer;--起始记录
        DECLARE endNumber Integer;--终止记录
        DECLARE PageLowerBound integer;
       --DECLARE StartID integer;
       DECLARE strSql VARCHAR(4000);
       DECLARE mySQL VARCHAR(4000);
       DECLARE myCursor CURSOR WITH RETURN TO CLIENT FOR mySQL;
      
       IF p_PageIndex<1 THEN
        SET p_PageIndex=1;
       END IF;
       SET PageLowerBound = p_PageSize * (p_PageIndex-1);
       IF PageLowerBound<1 THEN
        SET PageLowerBound=1;
       end if;                                                   
      
      --查询总记录
       SET strSql='SELECT count(*) FROM (Select '||p_NickName||', rownumber() over(ORDER BY  '||p_IDName|| ' ASC) AS rn from '||p_TableName|| ' WHERE  '||p_Strwhere||' ) AS au ';
       prepare   mySQL   from   strSql;  
       open myCursor;
       fetch myCursor into p_count;-- 总记录数
       close myCursor;


      --查询结果
       SET startNumber=(p_PageIndex-1)*p_PageSize+1;
       SET endNumber=startNumber+p_PageSize;
       --SET strSql='SELECT * FROM (Select '||p_NickName||', rownumber() over(ORDER BY  '||p_IDName|| ' ASC) AS rn from '||p_TableName|| ' WHERE  '||p_Strwhere||' ) AS au WHERE au.rn BETWEEN ' ||char(startNumber)|| ' AND '||char(endNumber-1);
       SET strSql='select * from (Select '||p_NickName||', rownumber() over(ORDER BY  '||p_IDName|| ' ) as rownum from '||p_TableName|| ' WHERE  '||p_Strwhere||') as temp  where rownum BETWEEN ' ||char(startNumber)|| ' AND '||char(endNumber-1);
       prepare   mySQL   from   strSql;  
       open myCursor;
    --set nocount off;
    END

    调用例子

          /// <summary>
            /// 制度建设分页
            /// 2011-12-19
            /// </summary>
            /// <param name="statue">制度状态</param>
            /// <param name="pageIndex">当前页</param>
            /// <param name="pageSize">页大小</param>
            /// <param name="departId">部门ID</param>
            /// <param name="m_disOperate">制度建设操作实体</param>
            /// <param name="result"></param>
            public void GetInsAllPage(string statue, int pageIndex, int pageSize, out int count, string unitId, CUEntityINSOPerate m_insOperate, CResult result)
            {
                StringBuilder sql = new StringBuilder();//
                sql.AppendFormat(" II.INS_ID =IO.INS_OPID AND IO.INS_OPUNITID = '{0}'", unitId);// AND IO.INS_OPRANGE = 0

                if (!string.IsNullOrEmpty(statue))
                {
                    sql.AppendFormat(" AND II.INS_STATE in ({0}) ", statue);
                }
                if (m_insOperate != null)
                {
                    //制度名称
                    if (!string.IsNullOrEmpty(m_insOperate.INS_NAME))
                    {
                        sql.AppendFormat(" AND II.INS_NAME like '%{0}%'", m_insOperate.INS_NAME);
                    }
                    //制度类型
                    if (!string.IsNullOrEmpty(m_insOperate.INS_TYPEID))
                    {
                        sql.AppendFormat(" AND II.INS_TYPEID = '{0}'", m_insOperate.INS_TYPEID);
                    }
                    //制度状态
                    if (m_insOperate.INS_STATE != CommonStatus.GetProStatus(CommonStatus.ProjectStatus.Select))
                    {
                        sql.AppendFormat(" AND II.INS_STATE = {0}", m_insOperate.INS_STATE);
                    }
                    //编辑部门
                    if (!string.IsNullOrEmpty(m_insOperate.INS_OPDEPID.ToString()))
                    {
                        sql.AppendFormat(" AND IO.INS_OPDEPID = {0}", m_insOperate.INS_OPDEPID);
                    }
                    //编辑人
                    if (!string.IsNullOrEmpty(m_insOperate.INS_OPUSERID))
                    {
                        sql.AppendFormat(" AND IO.INS_OPUSERID IN  ( select USERID from USERINFO  where USERNAME  like '%{0}%' )", m_insOperate.INS_OPUSERID);
                    }
                    //是否审核
                    //if (!string.IsNullOrEmpty(m_insOperate.INS_ISAUDIT.ToString()))
                    //{
                    //    sql.AppendFormat(" AND IO.INS_ISAUDIT = '{0}'", m_insOperate.INS_ISAUDIT);
                    //}
                    //编辑时间
                    //if (m_insOperate.INS_OPDATE.ToShortDateString() != "0001-1-1")
                    //{
                    //    sql.AppendFormat(" AND IO.INS_OPDATE BETWEEN TIMESTAMP('{0}')  AND  TIMESTAMP('{1}')", m_insOperate.INS_OPDATE, m_insOperate.INS_OPDATE.AddDays(1));
                    //}
                }

                try
                {

                    #region 插入数据参数列表
                    DB2Parameter[] parameters = {
                        new DB2Parameter("p_TableName", DB2Type.VarChar,500),
                        new DB2Parameter("p_NickName", DB2Type.VarChar,200),
                        new DB2Parameter("p_IDName", DB2Type.VarChar,200),
                        new DB2Parameter("p_PageIndex", DB2Type.Integer),
                        new DB2Parameter("p_PageSize", DB2Type.Integer),
                        new DB2Parameter("p_Strwhere", DB2Type.VarChar,8000),
                        new DB2Parameter("p_count", DB2Type.Integer)
                    };
                    parameters[0].Value = "INSTITUTIONALINFO II,INS_OPERATE IO";
                    parameters[1].Value = "II.*,IO.*";
                    parameters[2].Value = "II.INS_ID";
                    parameters[3].Value = pageIndex;
                    parameters[4].Value = pageSize;
                    parameters[5].Value = sql.ToString();
                    parameters[0].Direction = ParameterDirection.Input;
                    parameters[1].Direction = ParameterDirection.Input;
                    parameters[2].Direction = ParameterDirection.Input;
                    parameters[3].Direction = ParameterDirection.Input;
                    parameters[4].Direction = ParameterDirection.Input;
                    parameters[5].Direction = ParameterDirection.Input;
                    parameters[6].Direction = ParameterDirection.Output;
                    #endregion
                    this.IDataBase.FillDataSet("P_GETPAGEDATANEW", parameters, result.Value as CUTEntityINSOPerate);
                    result.Success = true;
                    count = CDataConvert.ConToValue<int>(parameters[6].Value);
                    result.CurrOperateType = EOperateType.Seach;
                }
                catch (Exception ex)
                {
                    result.Success = false;
                    result.ErrorInformation = ex.Message;
                    result.CurrOperateType = EOperateType.Error;
                    count = 0;
                }
            }

  • 相关阅读:
    MinkowskiPooling池化(上)
    稀疏张量基础
    稀疏张量网络
    英伟达TRTTorch
    闵可夫斯基引擎Minkowski Engine
    reactive和reactor
    today search
    today news 2020-8-8
    如何去写一本精品小书?
    today news
  • 原文地址:https://www.cnblogs.com/LYunF/p/2357920.html
Copyright © 2020-2023  润新知