Revert "Do not convert simple constant to the SQL for projection."

sdanyliv · sdanyliv · commit 99a8d88933b2 · 2024-07-11T21:48:16.000+03:00
This reverts commit 19ac65e.
diff --git a/Directory.Packages.props b/Directory.Packages.props
@@ -100,7 +100,7 @@
 	</ItemGroup>
 	
 	<ItemGroup Label="Testing" Condition=" '$(TargetFramework)' == 'net462' ">
-		<PackageVersion Include="System.Text.Json"                                      Version="8.0.4"                 />
+		<PackageVersion Include="System.Text.Json"                                      Version="8.0.3"                 />
 	</ItemGroup>
 
 	<ItemGroup Label="Benchmarks">
diff --git a/Source/LinqToDB/Linq/Builder/ExpressionBuilder.Expressions.cs b/Source/LinqToDB/Linq/Builder/ExpressionBuilder.Expressions.cs
@@ -805,14 +805,6 @@ bool HandleParameterized(Expression expr, [NotNullWhen(true)] out Expression? tr
 					return false;
 				}
 
-				// Do not select from database simple constants
-				if (_flags.IsExpression() 
-				    && expr is ConstantExpression constantExpression 
-				    && (constantExpression.Value is null || constantExpression.Type.IsValueType))
-				{
-					return false;
-				}
-
 				var canBeCompiled = Builder.CanBeCompiled(expr, false);
 
 				// some types has custom converter, we have to handle them
