lingdanglfw(DAX)

导航

< 2025年2月 >
26 27 28 29 30 31 1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 1
2 3 4 5 6 7 8

统计

在QueryRange里面慎用strfmt拼出来的条件

    gStartAmount = -40000;
    gEndAmount = -1;
使用下面的语句
    gStrAmountRangeCredit =  strfmt("%1..%2",gStartAmount,gEndAmount);
    gStrAmountRangeDebit =  strfmt("%1..%2",-1*gEndAmount,-1*gStartAmount);

    Qbds.addRange(fieldnum(LedgerTrans,AmountCur)).value(gStrAmountRangeCredit);
拼出来的SQL居然是下面的:
NAME:
 Qbds
VALUE:
 SELECT * FROM LedgerTrans WHERE ((TransDate>={ts '2009-07-01 00:00:00.000'} AND TransDate<={ts '2009-07-31 00:00:00.000'})) AND ((AmountCur = -4.E1 OR AmountCur>=1.E0 AND AmountCur<=-1.E0)) AND ((Crediting = 0)) JOIN * FROM LedgerJournalTable WHERE LedgerTrans.JournalNum = LedgerJournalTable.JournalNum
TYPE:
 QueryBuildDataSource
无语!!

调整为下面的写法:
    gStrAmountRangeCredit =  num2str(gStartAmount,10,2,1,0) + ".."+ num2str(gEndAmount,10,2,1,0);//strfmt("%1..%2",gStartAmount,gEndAmount);
    gStrAmountRangeDebit =  num2str(-1*gEndAmount,10,2,1,0) + ".."+ num2str(-1*gStartAmount,10,2,1,0);//strfmt("%1..%2",-1*gEndAmount,-1*gStartAmount);

Qbds.addRange(fieldnum(LedgerTrans,AmountCur)).value(gStrAmountRangeCredit);
拼出来的语句是正确的:
NAME:
 Qbds
VALUE:
 SELECT * FROM LedgerTrans WHERE ((TransDate>={ts '2009-07-01 00:00:00.000'} AND TransDate<={ts '2009-07-31 00:00:00.000'})) AND ((AmountCur>=-4.00001E5 AND AmountCur<=-1.E0)) AND ((Crediting = 0)) JOIN * FROM LedgerJournalTable WHERE LedgerTrans.JournalNum = LedgerJournalTable.JournalNum
TYPE:
 QueryBuildDataSource

posted on   lingdanglfw  阅读(345)  评论(1编辑  收藏  举报

编辑推荐:
· 没有源码,如何修改代码逻辑?
· 一个奇形怪状的面试题:Bean中的CHM要不要加volatile?
· [.NET]调用本地 Deepseek 模型
· 一个费力不讨好的项目,让我损失了近一半的绩效!
· .NET Core 托管堆内存泄露/CPU异常的常见思路
阅读排行:
· 微软正式发布.NET 10 Preview 1:开启下一代开发框架新篇章
· 没有源码,如何修改代码逻辑?
· DeepSeek R1 简明指南:架构、训练、本地部署及硬件要求
· NetPad:一个.NET开源、跨平台的C#编辑器
· 面试官:你是如何进行SQL调优的?
点击右上角即可分享
微信分享提示