diff --git a/README.md b/README.md index 2d8f012..a07fdb4 100644 --- a/README.md +++ b/README.md @@ -11,7 +11,7 @@ View Entity Framework Core query plan directly inside Visual Studio. ## Introduction -With Entity Framework Core query plan debugger visualizer, you can view the query plan of your queries directly inside Visual Studio. Currently, the visualizer supports SQL Server and PostgreSQL. +With Entity Framework Core query plan debugger visualizer, you can view the query plan of your queries directly inside Visual Studio. Currently, the visualizer supports SQL Server, PostgreSQL and Oracle. > [!IMPORTANT] > The visualizer requires **Visual Studio Version 17.9.0 ([Released on February 13th](https://devblogs.microsoft.com/visualstudio/visual-studio-2022-17-9-now-available/)) or newer** and supports **EF Core 7 or newer**. @@ -36,6 +36,10 @@ Click on 'Query Plan Visualizer' and the query plan will be displayed for your q ![PostgreSQL Plan](doc/PostgreSQLPlan1.png) +### Oracle: + +![Oracle Plan](doc/OraclePlan.png) + ## Known Issues: - If query plan extraction takes more than 5 seconds, you will get [Evaluation timed out error](https://github.com/Giorgi/EFCore.Visualizer/issues/25) diff --git a/doc/OraclePlan.png b/doc/OraclePlan.png new file mode 100644 index 0000000..360c909 Binary files /dev/null and b/doc/OraclePlan.png differ diff --git a/src/EFCore.Visualizer/EFCore.Visualizer.csproj b/src/EFCore.Visualizer/EFCore.Visualizer.csproj index db21671..6eb2dbf 100644 --- a/src/EFCore.Visualizer/EFCore.Visualizer.csproj +++ b/src/EFCore.Visualizer/EFCore.Visualizer.csproj @@ -11,6 +11,7 @@ + @@ -54,6 +55,9 @@ true + + true + diff --git a/src/EFCore.Visualizer/Resources/Oracle/template.html b/src/EFCore.Visualizer/Resources/Oracle/template.html new file mode 100644 index 0000000..d1ad284 --- /dev/null +++ b/src/EFCore.Visualizer/Resources/Oracle/template.html @@ -0,0 +1,95 @@ + + + + + + Query and Execution Plan + + + + +
+
+ 

+        

+
+        

+
+        

+            

+        

+    

+
+    
+
+
+
diff --git a/src/EFCore.Visualizer/source.extension.vsixmanifest b/src/EFCore.Visualizer/source.extension.vsixmanifest
index b0e584f..df8f706 100644
--- a/src/EFCore.Visualizer/source.extension.vsixmanifest
+++ b/src/EFCore.Visualizer/source.extension.vsixmanifest
@@ -8,7 +8,7 @@
     https://github.com/Giorgi/EFCore.Visualizer
     https://github.com/Giorgi/EFCore.Visualizer/blob/main/README.md#usage
     Images\IconSmall.png
-    EFCore, SQL Server, PostgreSQL, Visualizer, Query Plan
+    EFCore, SQL Server, PostgreSQL, Oracle, Visualizer, Query Plan
   
   
     
diff --git a/src/IQueryableObjectSource/DatabaseProvider.cs b/src/IQueryableObjectSource/DatabaseProvider.cs
index 8c2a460..d700209 100644
--- a/src/IQueryableObjectSource/DatabaseProvider.cs
+++ b/src/IQueryableObjectSource/DatabaseProvider.cs
@@ -83,4 +83,24 @@ protected override string ExtractPlanInternal(DbCommand command)
     }
 
     internal override string GetPlanDirectory(string baseDirectory) => Path.Combine(baseDirectory, "Postgres");
+}
+
+class OracleDatabaseProvider(DbCommand command) : DatabaseProvider(command)
+{
+    protected override string ExtractPlanInternal(DbCommand command)
+    {
+        command.CommandText = "EXPLAIN PLAN FOR " + command.CommandText;
+        command.ExecuteNonQuery();
+
+        // Querying the execution plan using DBMS_XPLAN
+        command.CommandText = "SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY())";
+        using var reader = command.ExecuteReader();
+
+        // Fetching the plan output
+        var plan = string.Join(Environment.NewLine, reader.Cast().Select(r => r.GetString(0)));
+
+        return plan;
+    }
+
+    internal override string GetPlanDirectory(string baseDirectory) => Path.Combine(baseDirectory, "Oracle");
 }
\ No newline at end of file
diff --git a/src/IQueryableObjectSource/EFCoreQueryableObjectSource.cs b/src/IQueryableObjectSource/EFCoreQueryableObjectSource.cs
index e5c9cdb..7763ba0 100644
--- a/src/IQueryableObjectSource/EFCoreQueryableObjectSource.cs
+++ b/src/IQueryableObjectSource/EFCoreQueryableObjectSource.cs
@@ -77,6 +77,7 @@ private static DatabaseProvider GetDatabaseProvider(DbCommand command)
             {
                 "Microsoft.Data.SqlClient.SqlCommand" => new SqlServerDatabaseProvider(command),
                 "Npgsql.NpgsqlCommand" => new PostgresDatabaseProvider(command),
+                "Oracle.ManagedDataAccess.Client.OracleCommand" => new OracleDatabaseProvider(command),
                 _ => null
             };
         }