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sql 查询优化：COUNT(*)改成COUNT(1)

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夏菊
2025-11-06 18:10:29 +08:00
parent c54c470818
commit c7187ebd36
16 changed files with 48 additions and 48 deletions
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SGGL/FineUIPro.Web/HJGL/LeakVacuum/SelectPipeline.aspx.cs
+1 -1
View File
@@ -38,7 +38,7 @@ namespace FineUIPro.Web.HJGL.LeakVacuum
LEFT JOIN dbo.PTP_PipelineList AS IsoList ON IsoList.PipelineId = IsoInfo.PipelineId
LEFT JOIN PTP_TestPackage As Test ON Test.PTP_ID =IsoList.PTP_ID
WHERE IsoInfo.ProjectId= @ProjectId
AND UnitWork.UnitWorkId= @UnitWorkId and (select count(*) from HJGL_LV_Pipeline p where p.PipelineId=IsoInfo.PipelineId)=0";
AND UnitWork.UnitWorkId= @UnitWorkId and (select count(1) from HJGL_LV_Pipeline p where p.PipelineId=IsoInfo.PipelineId)=0";
List<SqlParameter> listStr = new List<SqlParameter>();
listStr.Add(new SqlParameter("@ProjectId", this.CurrUser.LoginProjectId));
if (!string.IsNullOrEmpty(PTP_ID))
SGGL/FineUIPro.Web/HJGL/PurgingCleaning/SelectPipeline.aspx.cs
+1 -1
View File
@@ -38,7 +38,7 @@ namespace FineUIPro.Web.HJGL.PurgingCleaning
LEFT JOIN dbo.PTP_PipelineList AS IsoList ON IsoList.PipelineId = IsoInfo.PipelineId
LEFT JOIN PTP_TestPackage As Test ON Test.PTP_ID =IsoList.PTP_ID
WHERE IsoInfo.ProjectId= @ProjectId And Test.FinishDef is not null
AND UnitWork.UnitWorkId= @UnitWorkId and (select count(*) from HJGL_PC_Pipeline p where p.PipelineId=IsoInfo.PipelineId)=0";
AND UnitWork.UnitWorkId= @UnitWorkId and (select count(1) from HJGL_PC_Pipeline p where p.PipelineId=IsoInfo.PipelineId)=0";
List<SqlParameter> listStr = new List<SqlParameter>();
listStr.Add(new SqlParameter("@ProjectId", this.CurrUser.LoginProjectId));
listStr.Add(new SqlParameter("@UnitWorkId", UnitWorkId));
SGGL/FineUIPro.Web/HJGL/TestPackage/SelectPipeline.aspx.cs
+1 -1
View File
@@ -36,7 +36,7 @@ namespace FineUIPro.Web.HJGL.TestPackage
LEFT JOIN dbo.Base_TestMedium AS testMedium ON testMedium.TestMediumId = IsoInfo.TestMedium
LEFT JOIN dbo.Base_PipingClass class ON class.PipingClassId = IsoInfo.PipingClassId
WHERE IsoInfo.ProjectId= @ProjectId AND UnitWork.UnitWorkId= @UnitWorkId
and (select count(*) from PTP_PipelineList p where p.PipelineId=IsoInfo.PipelineId)=0";
and (select count(1) from PTP_PipelineList p where p.PipelineId=IsoInfo.PipelineId)=0";
List<SqlParameter> listStr = new List<SqlParameter>();
listStr.Add(new SqlParameter("@ProjectId", this.CurrUser.LoginProjectId));
listStr.Add(new SqlParameter("@UnitWorkId", UnitWorkId));