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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,21 @@ | ||
| using System.Data; | ||
| using System.Collections.Generic; | ||
| using System.Data; | ||
|
|
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| namespace DNTProfiler.Common.Profiler | ||
| { | ||
| public class DbCommandContext : DbContextBase | ||
| { | ||
| public DataTable DataTable { set; get; } | ||
|
|
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| public long? ElapsedMilliseconds { set; get; } | ||
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| public object Result { set; get; } | ||
|
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| public ISet<string> Keys { set; get; } | ||
|
|
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| public DbCommandContext() | ||
| { | ||
| Keys = new HashSet<string>(); | ||
| } | ||
| } | ||
| } |
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106 changes: 106 additions & 0 deletions
106
DNTProfiler.Infrastructure/ScriptDomVisitors/UseFirstLevelCacheVisitor.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| using Microsoft.SqlServer.TransactSql.ScriptDom; | ||
| using System.Collections.Generic; | ||
|
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| namespace DNTProfiler.Infrastructure.ScriptDomVisitors | ||
| { | ||
| public class UseFirstLevelCacheVisitor : SqlFragmentVisitorBase | ||
| { | ||
| private int _comparisonCount; | ||
| private bool _hasTopRowFilter; | ||
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| public ISet<string> Keys { set; get; } | ||
|
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| public override void ExplicitVisit(BooleanComparisonExpression node) | ||
| { | ||
| if (!_hasTopRowFilter) | ||
| { | ||
| IsSuspected = false; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
|
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| _comparisonCount++; | ||
| if (_comparisonCount > 1) | ||
| { | ||
| IsSuspected = false; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
|
|
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| if (node.ComparisonType != BooleanComparisonType.Equals) | ||
| { | ||
| IsSuspected = false; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
|
|
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| var secondExpression = node.SecondExpression.FirstNoneParenthesisExpression(); | ||
| var firstExpression = node.FirstExpression.FirstNoneParenthesisExpression(); | ||
|
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| if (isCastOrFunctionCall(firstExpression) || isCastOrFunctionCall(secondExpression)) | ||
| { | ||
| IsSuspected = false; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
|
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| var firstColumnReferenceExpression = firstExpression as ColumnReferenceExpression; | ||
| if (firstColumnReferenceExpression != null) | ||
| { | ||
| var firstColumnResolved = resolveMultiPartIdentifier(firstColumnReferenceExpression.MultiPartIdentifier); | ||
| if (Keys != null && Keys.Contains(firstColumnResolved)) | ||
| { | ||
| IsSuspected = true; | ||
| _comparisonCount--; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
|
|
||
| if (IsSuspected) | ||
| { | ||
| IsSuspected = false; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
| } | ||
|
|
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| var secondColumnReferenceExpression = secondExpression as ColumnReferenceExpression; | ||
| if (secondColumnReferenceExpression != null) | ||
| { | ||
| var secondColumnResolved = resolveMultiPartIdentifier(secondColumnReferenceExpression.MultiPartIdentifier); | ||
| if (Keys != null && Keys.Contains(secondColumnResolved)) | ||
| { | ||
| IsSuspected = true; | ||
| _comparisonCount--; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
|
|
||
| if (IsSuspected) | ||
| { | ||
| IsSuspected = false; | ||
| base.ExplicitVisit(node); | ||
| return; | ||
| } | ||
| } | ||
|
|
||
| base.ExplicitVisit(node); | ||
| } | ||
|
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| public override void ExplicitVisit(TopRowFilter node) | ||
| { | ||
| _hasTopRowFilter = true; | ||
| base.ExplicitVisit(node); | ||
| } | ||
|
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| private static bool isCastOrFunctionCall(ScalarExpression expression) | ||
| { | ||
| return expression is CastCall || expression is FunctionCall; | ||
| } | ||
|
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| private static string resolveMultiPartIdentifier(MultiPartIdentifier identifier) | ||
| { | ||
| return identifier.Identifiers.Count == 2 ? identifier.Identifiers[1].Value : identifier.AsObjectName(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <packages> | ||
| <package id="Iesi.Collections" version="4.0.1.4000" targetFramework="net40" /> | ||
| <package id="NHibernate" version="4.0.3.4000" targetFramework="net40" /> | ||
| <package id="NHibernate" version="4.0.4.4000" targetFramework="net40" /> | ||
| <package id="NHibernate.Validator" version="1.3.2.4000" targetFramework="net40" /> | ||
| </packages> |
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