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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/ProjectPerson.aspx.cs
+4 -4
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@@ -64,19 +64,19 @@ namespace FineUIPro.Web.DataShow
}
else if (rbType.SelectedValue == "3")
{
strSql += " AND (SELECT COUNT(*) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND IsRegisterHSSE =1) > 0";
strSql += " AND (SELECT COUNT(1) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND IsRegisterHSSE =1) > 0";
}
else if (rbType.SelectedValue == "4")
{
strSql += " AND (SELECT COUNT(*) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND CertificateType ='A') > 0";
strSql += " AND (SELECT COUNT(1) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND CertificateType ='A') > 0";
}
else if (rbType.SelectedValue == "5")
{
strSql += " AND (SELECT COUNT(*) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND CertificateType ='B') > 0";
strSql += " AND (SELECT COUNT(1) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND CertificateType ='B') > 0";
}
else if (rbType.SelectedValue == "6")
{
strSql += " AND (SELECT COUNT(*) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND CertificateType ='C') > 0";
strSql += " AND (SELECT COUNT(1) FROM QualityAudit_PersonQuality AS Q LEFT JOIN Base_Certificate AS Cer ON Q.CertificateId =Cer.CertificateId WHERE Q.PersonId = Person.PersonId AND CertificateType ='C') > 0";
}
SqlParameter[] parameter = listStr.ToArray();
DataTable tb = SQLHelper.GetDataTableRunText(strSql, parameter);