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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/DataShow/ProjectDivision.aspx.cs
+5 -5
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@@ -38,11 +38,11 @@ namespace FineUIPro.Web.DataShow
private void BindGrid()
{
string strSql = @"SELECT P.ProjectId,P.ProjectCode,P.ProjectName
,(SELECT COUNT(*) FROM Project_Installation AS A WHERE A.ProjectId =P.ProjectId AND A.SuperInstallationId='0') AS count1
,(SELECT COUNT(*) FROM WBS_UnitWork AS B WHERE B.ProjectId =P.ProjectId) AS count2
,(SELECT COUNT(*) FROM WBS_DivisionProject AS C WHERE C.ProjectId =P.ProjectId AND C.SubItemType= '1') AS count3
,(SELECT COUNT(*) FROM WBS_DivisionProject AS D WHERE D.ProjectId =P.ProjectId AND D.SubItemType= '3') AS count4
,(SELECT COUNT(*) FROM WBS_BreakdownProject AS E WHERE E.ProjectId =P.ProjectId ) AS count5
,(SELECT COUNT(1) FROM Project_Installation AS A WHERE A.ProjectId =P.ProjectId AND A.SuperInstallationId='0') AS count1
,(SELECT COUNT(1) FROM WBS_UnitWork AS B WHERE B.ProjectId =P.ProjectId) AS count2
,(SELECT COUNT(1) FROM WBS_DivisionProject AS C WHERE C.ProjectId =P.ProjectId AND C.SubItemType= '1') AS count3
,(SELECT COUNT(1) FROM WBS_DivisionProject AS D WHERE D.ProjectId =P.ProjectId AND D.SubItemType= '3') AS count4
,(SELECT COUNT(1) FROM WBS_BreakdownProject AS E WHERE E.ProjectId =P.ProjectId ) AS count5
FROM Base_Project AS P
WHERE P.ProjectState = 1 ";
List<SqlParameter> listStr = new List<SqlParameter>();