Add project files.

2025-12-05 21:46:11 +00:00 · 2021-05-27 04:17:35 +08:00
commit 1c83f3d6ad
48 changed files with 2554 additions and 0 deletions
--- a/.editorconfig
+++ b/.editorconfig
@@ -0,0 +1,133 @@
+# Rules in this file were initially inferred by Visual Studio IntelliCode from the C:\Users\Koen\Source\Repos\EntityFrameworkCore.Events codebase based on best match to current usage at 7/15/2020
+# You can modify the rules from these initially generated values to suit your own policies
+# You can learn more about editorconfig here: https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference
+[*.cs]
+
+
+#Core editorconfig formatting - indentation
+
+#use soft tabs (spaces) for indentation
+indent_style = space
+
+#Formatting - new line options
+
+#place else statements on a new line
+csharp_new_line_before_else = true
+#require members of object intializers to be on separate lines
+csharp_new_line_before_members_in_object_initializers = true
+#require braces to be on a new line for control_blocks, types, properties, accessors, and methods (also known as "Allman" style)
+csharp_new_line_before_open_brace = control_blocks, types, properties, accessors, methods
+
+#Formatting - organize using options
+
+#sort System.* using directives alphabetically, and place them before other usings
+dotnet_sort_system_directives_first = true
+
+#Formatting - spacing options
+
+#require NO space between a cast and the value
+csharp_space_after_cast = false
+#require a space before the colon for bases or interfaces in a type declaration
+csharp_space_after_colon_in_inheritance_clause = true
+#require a space after a keyword in a control flow statement such as a for loop
+csharp_space_after_keywords_in_control_flow_statements = true
+#require a space before the colon for bases or interfaces in a type declaration
+csharp_space_before_colon_in_inheritance_clause = true
+#remove space within empty argument list parentheses
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+#remove space between method call name and opening parenthesis
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+#do not place space characters after the opening parenthesis and before the closing parenthesis of a method call
+csharp_space_between_method_call_parameter_list_parentheses = false
+#remove space within empty parameter list parentheses for a method declaration
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+#place a space character after the opening parenthesis and before the closing parenthesis of a method declaration parameter list.
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+
+#Formatting - wrapping options
+
+#leave code block on single line
+csharp_preserve_single_line_blocks = true
+
+#Style - Code block preferences
+
+#prefer curly braces even for one line of code
+csharp_prefer_braces = true:suggestion
+
+#Style - expression bodied member options
+
+#prefer block bodies for constructors
+csharp_style_expression_bodied_constructors = false:suggestion
+#prefer expression-bodied members for methods
+csharp_style_expression_bodied_methods = true:suggestion
+#prefer expression-bodied members for properties
+csharp_style_expression_bodied_properties = true:suggestion
+
+#Style - expression level options
+
+#prefer tuple names to ItemX properties
+dotnet_style_explicit_tuple_names = true:suggestion
+#prefer the language keyword for member access expressions, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_member_access = true:suggestion
+
+#Style - Expression-level  preferences
+
+#prefer default over default(T)
+csharp_prefer_simple_default_expression = true:suggestion
+#prefer objects to be initialized using object initializers when possible
+dotnet_style_object_initializer = true:suggestion
+#prefer inferred tuple element names
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+
+#Style - implicit and explicit types
+
+#prefer var over explicit type in all cases, unless overridden by another code style rule
+csharp_style_var_elsewhere = true:suggestion
+#prefer var is used to declare variables with built-in system types such as int
+csharp_style_var_for_built_in_types = true:suggestion
+#prefer var when the type is already mentioned on the right-hand side of a declaration expression
+csharp_style_var_when_type_is_apparent = true:suggestion
+
+#Style - language keyword and framework type options
+
+#prefer the language keyword for local variables, method parameters, and class members, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+
+#Style - Miscellaneous preferences
+
+#prefer anonymous functions over local functions
+csharp_style_pattern_local_over_anonymous_function = false:suggestion
+
+#Style - modifier options
+
+#prefer accessibility modifiers to be declared except for public interface members. This will currently not differ from always and will act as future proofing for if C# adds default interface methods.
+dotnet_style_require_accessibility_modifiers = false
+
+#Style - Modifier preferences
+
+#when this rule is set to a list of modifiers, prefer the specified ordering.
+csharp_preferred_modifier_order = public,protected,private,readonly,override,async,sealed,static,abstract,virtual:suggestion
+
+#Style - Pattern matching
+
+#prefer pattern matching instead of is expression with type casts
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+
+#Style - qualification options
+
+#prefer fields not to be prefaced with this. or Me. in Visual Basic
+dotnet_style_qualification_for_field = false:suggestion
+#prefer methods not to be prefaced with this. or Me. in Visual Basic
+dotnet_style_qualification_for_method = false:suggestion
+#prefer properties not to be prefaced with this. or Me. in Visual Basic
+dotnet_style_qualification_for_property = false:suggestion
+
+# Instance fields are camelCase and start with _
+dotnet_naming_rule.instance_fields_should_be_camel_case.severity = suggestion
+dotnet_naming_rule.instance_fields_should_be_camel_case.symbols = instance_fields
+dotnet_naming_rule.instance_fields_should_be_camel_case.style = instance_field_style
+
+dotnet_naming_symbols.instance_fields.applicable_kinds = field
+
+dotnet_naming_style.instance_field_style.capitalization = camel_case
+dotnet_naming_style.instance_field_style.required_prefix = _
--- a/.gitattributes
+++ b/.gitattributes
@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,363 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -0,0 +1,14 @@
+<Project>
+
+  <PropertyGroup>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <LangVersion>9.0</LangVersion>
+    <Nullable>enable</Nullable>
+    <EnableNETAnalyzers>true</EnableNETAnalyzers>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <Authors>Koen Bekkenutte</Authors>
+  </PropertyGroup>
+
+</Project>
--- a/EntityFrameworkCore.Projections.sln
+++ b/EntityFrameworkCore.Projections.sln
@@ -0,0 +1,82 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31313.381
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{A43F1828-D9B6-40F7-82B6-CA0070843E2F}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{F5E4436F-87F2-46AB-A9EB-59B4BF21BF7A}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFrameworkCore.Projections.Generator", "src\EntityFrameworkCore.Projections.Generator\EntityFrameworkCore.Projections.Generator.csproj", "{698E3EEC-64F9-4F96-B700-D61D04FD0704}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFrameworkCore.Projections.Generator.Tests", "tests\EntityFrameworkCore.Projections.Generator.Tests\EntityFrameworkCore.Projections.Generator.Tests.csproj", "{20F85652-2923-4211-9262-C64BA8C9ED89}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{7B02E555-9633-4522-8C20-AD93C713C9AE}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+		Directory.Build.props = Directory.Build.props
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFrameworkCore.Projections", "src\EntityFrameworkCore.Projections\EntityFrameworkCore.Projections.csproj", "{EE4D6CC1-78DE-4279-A567-C3D360C479F8}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "samples", "samples", "{07584D01-2D30-404B-B0D1-32080C0CC18A}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BasicSample", "samples\BasicSample\BasicSample.csproj", "{1B4A8710-4182-494D-B1C5-6B7CDB9C9DB9}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFrameworkCore.Projections.Abstractions", "src\EntityFrameworkCore.Projections.Abstractions\EntityFrameworkCore.Projections.Abstractions.csproj", "{C8038180-36F8-4077-922B-91F428EAC7D9}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFrameworkCore.Projections.FunctionalTests", "samples\EntityFrameworkCore.Projections.FunctionalTests\EntityFrameworkCore.Projections.FunctionalTests.csproj", "{56007397-59B0-4DCB-80C4-3AD0BE3F319F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EntityFrameworkCore.Projections.Tests", "tests\EntityFrameworkCore.Projections.Tests\EntityFrameworkCore.Projections.Tests.csproj", "{2F0DD7D7-867F-4478-9E22-45C114B61C46}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{698E3EEC-64F9-4F96-B700-D61D04FD0704}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{698E3EEC-64F9-4F96-B700-D61D04FD0704}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{698E3EEC-64F9-4F96-B700-D61D04FD0704}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{698E3EEC-64F9-4F96-B700-D61D04FD0704}.Release|Any CPU.Build.0 = Release|Any CPU
+		{20F85652-2923-4211-9262-C64BA8C9ED89}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{20F85652-2923-4211-9262-C64BA8C9ED89}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{20F85652-2923-4211-9262-C64BA8C9ED89}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{20F85652-2923-4211-9262-C64BA8C9ED89}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EE4D6CC1-78DE-4279-A567-C3D360C479F8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EE4D6CC1-78DE-4279-A567-C3D360C479F8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EE4D6CC1-78DE-4279-A567-C3D360C479F8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EE4D6CC1-78DE-4279-A567-C3D360C479F8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1B4A8710-4182-494D-B1C5-6B7CDB9C9DB9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1B4A8710-4182-494D-B1C5-6B7CDB9C9DB9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1B4A8710-4182-494D-B1C5-6B7CDB9C9DB9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1B4A8710-4182-494D-B1C5-6B7CDB9C9DB9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C8038180-36F8-4077-922B-91F428EAC7D9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C8038180-36F8-4077-922B-91F428EAC7D9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C8038180-36F8-4077-922B-91F428EAC7D9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C8038180-36F8-4077-922B-91F428EAC7D9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{56007397-59B0-4DCB-80C4-3AD0BE3F319F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{56007397-59B0-4DCB-80C4-3AD0BE3F319F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{56007397-59B0-4DCB-80C4-3AD0BE3F319F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{56007397-59B0-4DCB-80C4-3AD0BE3F319F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2F0DD7D7-867F-4478-9E22-45C114B61C46}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2F0DD7D7-867F-4478-9E22-45C114B61C46}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2F0DD7D7-867F-4478-9E22-45C114B61C46}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2F0DD7D7-867F-4478-9E22-45C114B61C46}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{698E3EEC-64F9-4F96-B700-D61D04FD0704} = {A43F1828-D9B6-40F7-82B6-CA0070843E2F}
+		{20F85652-2923-4211-9262-C64BA8C9ED89} = {F5E4436F-87F2-46AB-A9EB-59B4BF21BF7A}
+		{EE4D6CC1-78DE-4279-A567-C3D360C479F8} = {A43F1828-D9B6-40F7-82B6-CA0070843E2F}
+		{1B4A8710-4182-494D-B1C5-6B7CDB9C9DB9} = {07584D01-2D30-404B-B0D1-32080C0CC18A}
+		{C8038180-36F8-4077-922B-91F428EAC7D9} = {A43F1828-D9B6-40F7-82B6-CA0070843E2F}
+		{56007397-59B0-4DCB-80C4-3AD0BE3F319F} = {F5E4436F-87F2-46AB-A9EB-59B4BF21BF7A}
+		{2F0DD7D7-867F-4478-9E22-45C114B61C46} = {F5E4436F-87F2-46AB-A9EB-59B4BF21BF7A}
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D17BD356-592C-4628-9D81-A04E24FF02F3}
+	EndGlobalSection
+EndGlobal
--- a/samples/BasicSample/BasicSample.csproj
+++ b/samples/BasicSample/BasicSample.csproj
@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <Nullable>disable</Nullable>
+    <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="5.0.6" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections.Generator\EntityFrameworkCore.Projections.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections\EntityFrameworkCore.Projections.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/samples/BasicSample/Program.cs
+++ b/samples/BasicSample/Program.cs
@@ -0,0 +1,72 @@
+using EntityFrameworkCore.Projections;
+using EntityFrameworkCore.Projections.Extensions;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Linq;
+
+namespace BasicSample
+{
+    public partial class User
+    {
+        public int Id { get; set; }
+
+        public string FirstName { get; set; }
+
+        public string LastName { get; set; }
+
+        [Projectable]
+        public string FullName
+            => FirstName + " " + LastName;
+
+        [Projectable]
+        public string FullNameFunc()
+            => FirstName + " " + LastName;
+    }
+
+    public class ApplicationDbContext : DbContext
+    {
+        public ApplicationDbContext(DbContextOptions options) : base(options)
+        {
+        }
+
+        public DbSet<User> Users { get; set; }
+    }
+
+
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            using var dbConnection = new SqliteConnection("Filename=:memory:");
+            dbConnection.Open();
+
+            using var serviceProvider = new ServiceCollection()
+                .AddDbContext<ApplicationDbContext>(options => {
+                    options
+                        .UseSqlite(dbConnection)
+                        .UseProjections();
+                })
+                .BuildServiceProvider();
+
+            var dbContext = serviceProvider.GetRequiredService<ApplicationDbContext>();
+            dbContext.Database.EnsureCreated();
+
+            var user = new User { FirstName = "Jon", LastName = "Doe" };
+
+            dbContext.Users.Add(user);
+
+            dbContext.SaveChanges();
+
+            var query = dbContext.Users
+                .Select(x => new {
+                     Foo = x.FullNameFunc()
+                 });
+
+            Console.WriteLine(query.ToQueryString());
+
+            var r1 = query.ToArray();
+        }
+    }
+}
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/ComplexModelTests.cs
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/ComplexModelTests.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.FunctionalTests.Helpers;
+using EntityFrameworkCore.Projections.Services;
+using Microsoft.EntityFrameworkCore;
+using ScenarioTests;
+using Xunit;
+
+#nullable disable
+
+namespace EntityFrameworkCore.Projections.FunctionalTests
+{
+    
+    public partial class ComplexModelTests
+    {
+        public class User
+        {
+            public int Id { get; set; }
+
+            public string DisplayName { get; set; }
+
+            public ICollection<Order> Orders { get; set; }
+
+            // todo: since Order is a nested class, we currently have to fully express the location of this class
+            [Projectable]
+            public EntityFrameworkCore.Projections.FunctionalTests.ComplexModelTests.Order LastOrder =>
+                Orders.OrderByDescending(x => x.RecordDate).FirstOrDefault();
+
+            // todo: since Order is a nested class, we currently have to fully express the location of this class
+            [Projectable]
+            [NotMapped]
+            public IEnumerable<EntityFrameworkCore.Projections.FunctionalTests.ComplexModelTests.Order> Last2Orders =>
+                Orders.OrderByDescending(x => x.RecordDate).Take(2);
+
+        }
+
+        public class Order
+        {
+            public int Id { get; set; }
+
+            public DateTime RecordDate { get; set; }
+        } 
+
+        [Scenario(NamingPolicy = ScenarioTestMethodNamingPolicy.Test)]
+        public void PlayScenario(ScenarioContext scenario)
+        {
+            using var dbContext = new SampleDbContext<User>();
+
+            scenario.Fact("We can project over a projectable navigation property", () => {
+                const string expectedQueryString = 
+@"SELECT (
+    SELECT TOP(1) [o].[RecordDate]
+    FROM [Order] AS [o]
+    WHERE [u].[Id] = [o].[UserId]
+    ORDER BY [o].[RecordDate] DESC)
+FROM [User] AS [u]";
+
+                var query = dbContext.Set<User>()
+                    .Select(x => x.LastOrder.RecordDate);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can project over a projectable navigation collection property", () => {
+                const string expectedQueryString = 
+@"SELECT [t0].[RecordDate]
+FROM [User] AS [u]
+INNER JOIN (
+    SELECT [t].[RecordDate], [t].[UserId]
+    FROM (
+        SELECT [o].[RecordDate], [o].[UserId], ROW_NUMBER() OVER(PARTITION BY [o].[UserId] ORDER BY [o].[RecordDate] DESC) AS [row]
+        FROM [Order] AS [o]
+    ) AS [t]
+    WHERE [t].[row] <= 2
+) AS [t0] ON [u].[Id] = [t0].[UserId]";
+
+                var query = dbContext.Set<User>()
+                    .SelectMany(x => x.Last2Orders)
+                    .Select(x => x.RecordDate);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+        }
+    }
+}
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/EntityFrameworkCore.Projections.FunctionalTests.csproj
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/EntityFrameworkCore.Projections.FunctionalTests.csproj
@@ -0,0 +1,35 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+    <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
+    <CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)Generated</CompilerGeneratedFilesOutputPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="5.0.6" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+    <PackageReference Include="ScenarioTests.XUnit" Version="0.5.2" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="1.3.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Remove="**\*.verified.txt" />
+    <None Remove="**\*.received.txt" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections.Generator\EntityFrameworkCore.Projections.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections\EntityFrameworkCore.Projections.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/Helpers/SampleDbContext.cs
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/Helpers/SampleDbContext.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Data.Common;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace EntityFrameworkCore.Projections.FunctionalTests.Helpers
+{
+    public class SampleDbContext<TEntity> : DbContext
+        where TEntity : class
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            optionsBuilder.UseSqlServer("Server=(localdb)\v11.0;Integrated Security=true"); // Fake connection string as we're actually never connecting
+            optionsBuilder.UseProjections();
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<TEntity>();
+        }
+    }
+}
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/StatefullPropertyTests.cs
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/StatefullPropertyTests.cs
@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SqlTypes;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.FunctionalTests.Helpers;
+using Microsoft.EntityFrameworkCore;
+using ScenarioTests;
+using Xunit;
+
+namespace EntityFrameworkCore.Projections.FunctionalTests
+{
+    public partial class StatefullPropertyTests
+    {
+        public record Entity
+        {
+            public int Id { get; set; }
+            
+            [Projectable]
+            public int Computed1 => Id;
+
+            [Projectable]
+            public int Computed2 => Id * 2;
+        }
+
+        [Scenario(NamingPolicy = ScenarioTestMethodNamingPolicy.Test)]
+        public void PlayScenario(ScenarioContext scenario)
+        {
+            // Setup
+            using var dbContext = new SampleDbContext<Entity>(); 
+
+            scenario.Fact("We can filter on a projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]\r\nWHERE [e].[Id] = 1";
+
+                var query = dbContext.Set<Entity>()
+                    .Where(x => x.Computed1 == 1);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can select on a projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed1);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can filter on a more complex projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]\r\nWHERE ([e].[Id] * 2) = 2";
+
+                var query = dbContext.Set<Entity>()
+                    .Where(x => x.Computed2 == 2);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can select a more complex projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id] * 2\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed2);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can combine multiple projectable properties", () => {
+                const string expectedQueryString = "SELECT [e].[Id] + ([e].[Id] * 2)\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed1 + x.Computed2);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+        }
+    }
+}
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/StatefullSimpleFunctionTests.cs
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/StatefullSimpleFunctionTests.cs
@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SqlTypes;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.FunctionalTests.Helpers;
+using Microsoft.EntityFrameworkCore;
+using ScenarioTests;
+using Xunit;
+
+namespace EntityFrameworkCore.Projections.FunctionalTests
+{
+    public partial class StatefullSimpleFunctionTests
+    {
+        public record Entity
+        {
+            public int Id { get; set; }
+            
+            [Projectable]
+            public int Computed1() => Id;
+
+            [Projectable]
+            public int Computed2() => Id * 2;
+
+            public int Test(int i) => i;
+        }
+
+        [Scenario(NamingPolicy = ScenarioTestMethodNamingPolicy.Test)]
+        public void PlayScenario(ScenarioContext scenario)
+        {
+            // Setup
+            using var dbContext = new SampleDbContext<Entity>();
+
+            scenario.Fact("We can filter on a projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]\r\nWHERE [e].[Id] = 1";
+
+                var query = dbContext.Set<Entity>()
+                    .Where(x => x.Computed1() == 1);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can select on a projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed1());
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can filter on a more complex projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]\r\nWHERE ([e].[Id] * 2) = 2";
+
+                var query = dbContext.Set<Entity>()
+                    .Where(x => x.Computed2() == 2);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can select a more complex projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id] * 2\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed2());
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can combine multiple projectable properties", () => {
+                const string expectedQueryString = "SELECT [e].[Id] + ([e].[Id] * 2)\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed1() + x.Computed2());
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+        }
+    }
+}
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/StatelessComplexFunctionTests.cs
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/StatelessComplexFunctionTests.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SqlTypes;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.FunctionalTests.Helpers;
+using Microsoft.EntityFrameworkCore;
+using ScenarioTests;
+using Xunit;
+
+namespace EntityFrameworkCore.Projections.FunctionalTests
+{
+    public partial class StatelessComplexFunctionTests
+    {
+        public record Entity
+        {
+            public int Id { get; set; }
+            
+            [Projectable]
+            public int Computed(int argument1) => argument1; 
+        }
+
+        [Scenario(NamingPolicy = ScenarioTestMethodNamingPolicy.Test)]
+        public void PlayScenario(ScenarioContext scenario)
+        {
+            // Setup
+            using var dbContext = new SampleDbContext<Entity>(); 
+
+            scenario.Fact("We can filter on a projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]\r\nWHERE 0 = 1";
+
+                var query = dbContext.Set<Entity>()
+                    .Where(x => x.Computed(0) == 1);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can select on a projectable property", () => {
+                const string expectedQueryString = "SELECT 0\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed(0));
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can pass in variables", () => {
+                const string expectedQueryString = "SELECT 0\r\nFROM [Entity] AS [e]";
+
+                var argument = 0;
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed(argument));
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+        }
+    }
+}
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/StatelessPropertyTests.cs
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/StatelessPropertyTests.cs
@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SqlTypes;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.FunctionalTests.Helpers;
+using Microsoft.EntityFrameworkCore;
+using ScenarioTests;
+using Xunit;
+
+namespace EntityFrameworkCore.Projections.FunctionalTests
+{
+    public partial class StatelessPropertyTests
+    {
+        public record Entity
+        {
+            public int Id { get; set; }
+            
+            [Projectable]
+            public int Computed => 0; 
+        }
+
+        [Scenario(NamingPolicy = ScenarioTestMethodNamingPolicy.Test)]
+        public void PlayScenario(ScenarioContext scenario)
+        {
+            // Setup
+            using var dbContext = new SampleDbContext<Entity>(); 
+
+            scenario.Fact("We can filter on a projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]\r\nWHERE 0 = 1";
+
+                var query = dbContext.Set<Entity>()
+                    .Where(x => x.Computed == 1);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can select on a projectable property", () => {
+                const string expectedQueryString = "SELECT 0\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+        }
+    }
+}
--- a/samples/EntityFrameworkCore.Projections.FunctionalTests/StatelessSimpleFunctionTests.cs
+++ b/samples/EntityFrameworkCore.Projections.FunctionalTests/StatelessSimpleFunctionTests.cs
@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Data.SqlTypes;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.FunctionalTests.Helpers;
+using Microsoft.EntityFrameworkCore;
+using ScenarioTests;
+using Xunit;
+
+namespace EntityFrameworkCore.Projections.FunctionalTests
+{
+    public partial class StatelessSimpleFunctionTests
+    {
+        public record Entity
+        {
+            public int Id { get; set; }
+            
+            [Projectable]
+            public int Computed() => 0; 
+        }
+
+        [Scenario(NamingPolicy = ScenarioTestMethodNamingPolicy.Test)]
+        public void PlayScenario(ScenarioContext scenario)
+        {
+            // Setup
+            using var dbContext = new SampleDbContext<Entity>(); 
+
+            scenario.Fact("We can filter on a projectable property", () => {
+                const string expectedQueryString = "SELECT [e].[Id]\r\nFROM [Entity] AS [e]\r\nWHERE 0 = 1";
+
+                var query = dbContext.Set<Entity>()
+                    .Where(x => x.Computed() == 1);
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+
+            scenario.Fact("We can select on a projectable property", () => {
+                const string expectedQueryString = "SELECT 0\r\nFROM [Entity] AS [e]";
+
+                var query = dbContext.Set<Entity>()
+                    .Select(x => x.Computed());
+
+                Assert.Equal(expectedQueryString, query.ToQueryString());
+            });
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections.Abstractions/EntityFrameworkCore.Projections.Abstractions.csproj
+++ b/src/EntityFrameworkCore.Projections.Abstractions/EntityFrameworkCore.Projections.Abstractions.csproj
@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <RootNamespace>EntityFrameworkCore.Projections</RootNamespace>
+  </PropertyGroup>
+
+</Project>
--- a/src/EntityFrameworkCore.Projections.Abstractions/ProjectableAttribute.cs
+++ b/src/EntityFrameworkCore.Projections.Abstractions/ProjectableAttribute.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections
+{
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = true, AllowMultiple = false)]
+    public sealed class ProjectableAttribute : Attribute
+    {
+    }
+}
--- a/src/EntityFrameworkCore.Projections.Generator/EntityFrameworkCore.Projections.Generator.csproj
+++ b/src/EntityFrameworkCore.Projections.Generator/EntityFrameworkCore.Projections.Generator.csproj
@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+    <NoWarn>$(NoWarn);nullable;NU5128</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="..\EntityFrameworkCore.Projections\Services\ProjectionExpressionClassNameGenerator.cs" Link="ProjectionExpressionClassNameGenerator.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.0.0" PrivateAssets="all" />
+  </ItemGroup>
+</Project>
--- a/src/EntityFrameworkCore.Projections.Generator/ExpressionSyntaxRewriter.cs
+++ b/src/EntityFrameworkCore.Projections.Generator/ExpressionSyntaxRewriter.cs
@@ -0,0 +1,64 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Generator
+{
+    public class ExpressionSyntaxRewriter : CSharpSyntaxRewriter
+    {
+        readonly INamedTypeSymbol _targetTypeSymbol;
+        readonly SemanticModel _semanticModel;
+
+        public ExpressionSyntaxRewriter(INamedTypeSymbol targetTypeSymbol, SemanticModel semanticModel)
+        {
+            _targetTypeSymbol = targetTypeSymbol;
+            _semanticModel = semanticModel;
+        }
+
+        public override SyntaxNode? VisitMemberAccessExpression(MemberAccessExpressionSyntax node)
+        {
+            var symbolInfo = _semanticModel.GetSymbolInfo(node);
+
+            if (symbolInfo.Symbol is not null && SymbolEqualityComparer.Default.Equals(symbolInfo.Symbol.ContainingType, _targetTypeSymbol))
+            {
+                var scopedNode = node.ChildNodes().FirstOrDefault();
+                if (scopedNode is ThisExpressionSyntax)
+                {
+                    var nextNode = node.ChildNodes().Skip(1).FirstOrDefault() as SimpleNameSyntax;
+
+                    if (nextNode is not null)
+                    {
+                        return SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression,
+                            SyntaxFactory.IdentifierName(ProjectionExpressionGenerator.ProjectionTargetParameterName),
+                                nextNode
+                            );
+                    }
+                }
+            }
+
+            return base.VisitMemberAccessExpression(node);
+        }
+
+        public override SyntaxNode? VisitIdentifierName(IdentifierNameSyntax node)
+        {
+            var symbolInfo = _semanticModel.GetSymbolInfo(node);
+
+            if (symbolInfo.Symbol is not null && symbolInfo.Symbol.Kind is SymbolKind.Property or SymbolKind.Method or SymbolKind.Field && SymbolEqualityComparer.Default.Equals(symbolInfo.Symbol.ContainingType, _targetTypeSymbol))
+            {
+                return SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression,
+                    SyntaxFactory.IdentifierName(ProjectionExpressionGenerator.ProjectionTargetParameterName),
+                    node
+                );
+            }
+            else
+            {
+                return base.VisitIdentifierName(node);
+            }
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections.Generator/ProjectableDescriptor.cs
+++ b/src/EntityFrameworkCore.Projections.Generator/ProjectableDescriptor.cs
@@ -0,0 +1,28 @@
+using Microsoft.CodeAnalysis;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Generator
+{
+    public class ProjectableDescriptor
+    {
+        public IEnumerable<string> UsingDirectives { get; set; }
+
+        public string ClassNamespace { get; set; }
+
+        public IEnumerable<string> NestedInClassNames { get; set; }
+
+        public string ClassName { get; set; }
+
+        public string MemberName { get; set; }
+
+        public string ReturnTypeName { get; set; }
+
+        public string ParametersListString { get; set; }
+
+        public SyntaxNode Body { get; set; }
+    }
+}
--- a/src/EntityFrameworkCore.Projections.Generator/ProjectableInterpreter.cs
+++ b/src/EntityFrameworkCore.Projections.Generator/ProjectableInterpreter.cs
@@ -0,0 +1,86 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Generator
+{
+    public static class ProjectableInterpreter
+    {
+        static IEnumerable<string> GetNestedInClassPath(INamedTypeSymbol namedTypeSymbol)
+        {
+            if (namedTypeSymbol.ContainingType is not null)
+            {
+                foreach (var nestedInClassName in GetNestedInClassPath(namedTypeSymbol.ContainingType))
+                {
+                    yield return nestedInClassName;
+                }
+            }
+
+            yield return namedTypeSymbol.Name;
+        }
+
+        public static ProjectableDescriptor? GetDescriptor(MemberDeclarationSyntax memberDeclarationSyntax, GeneratorExecutionContext context)
+        {
+            var semanticModel = context.Compilation.GetSemanticModel(memberDeclarationSyntax.SyntaxTree);
+            var memberSymbol = semanticModel.GetDeclaredSymbol(memberDeclarationSyntax);
+
+            if (memberSymbol is null)
+            {
+                return null;
+            }
+
+            var projectableAttributeTypeSymbol = context.Compilation.GetTypeByMetadataName("EntityFrameworkCore.Projections.ProjectableAttribute");
+
+            var projectableAttributeClass = memberSymbol.GetAttributes()
+                .Where(x => x.AttributeClass.Name == "ProjectableAttribute")
+                .FirstOrDefault();
+
+            if (projectableAttributeClass is null || !SymbolEqualityComparer.Default.Equals(projectableAttributeClass.AttributeClass, projectableAttributeTypeSymbol))
+            {
+                return null;
+            }
+
+            var expressionSyntaxRewriter = new ExpressionSyntaxRewriter(memberSymbol.ContainingType, semanticModel);
+
+            var descriptor = new ProjectableDescriptor
+            {
+                ClassName = memberSymbol.ContainingType.Name,
+                ClassNamespace = memberSymbol.ContainingType.ContainingNamespace.IsGlobalNamespace ? null : memberSymbol.ContainingType.ContainingNamespace.ToDisplayString(),
+                MemberName = memberSymbol.Name,
+                NestedInClassNames = GetNestedInClassPath(memberSymbol.ContainingType)
+            };
+
+            if (memberDeclarationSyntax is MethodDeclarationSyntax methodDeclarationSyntax)
+            {
+                descriptor.ReturnTypeName = methodDeclarationSyntax.ReturnType.ToString();
+                descriptor.Body = expressionSyntaxRewriter.Visit(methodDeclarationSyntax.ExpressionBody.Expression);
+                descriptor.ParametersListString = methodDeclarationSyntax.ParameterList.ToString();
+            }
+            else if (memberDeclarationSyntax is PropertyDeclarationSyntax propertyDeclarationSyntax)
+            {
+                descriptor.ReturnTypeName = propertyDeclarationSyntax.Type.ToString();
+                descriptor.Body = expressionSyntaxRewriter.Visit(propertyDeclarationSyntax.ExpressionBody.Expression);
+                descriptor.ParametersListString = "()";
+            }
+            else
+            {
+                return null;
+            }
+
+            descriptor.UsingDirectives =
+                memberDeclarationSyntax.SyntaxTree
+                    .GetRoot()
+                    .DescendantNodes()
+                    .OfType<UsingDirectiveSyntax>()
+                    .Select(x => x.ToString());
+
+
+            return descriptor;
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections.Generator/ProjectionExpressionGenerator.cs
+++ b/src/EntityFrameworkCore.Projections.Generator/ProjectionExpressionGenerator.cs
@@ -0,0 +1,62 @@
+using EntityFrameworkCore.Projections.Services;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Text;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Generator
+{
+    [Generator]
+    public class ProjectionExpressionGenerator : ISourceGenerator
+    {
+        public const string ProjectionTargetParameterName = "projectionTarget";
+
+        public void Execute(GeneratorExecutionContext context)
+        {
+            if (context.SyntaxReceiver is not SyntaxReceiver receiver)
+            {
+                return;
+            }
+
+            if (receiver.Candidates.Count > 0)
+            {
+                var projectables = receiver.Candidates
+                    .Select(x => ProjectableInterpreter.GetDescriptor(x, context))
+                    .Where(x => x is not null);
+
+                var resultBuilder = new StringBuilder();
+
+                foreach (var projectable in projectables)
+                {
+                    resultBuilder.Clear();
+
+                    foreach (var usingDirective in projectable.UsingDirectives)
+                    {
+                        resultBuilder.AppendLine(usingDirective);
+                    }
+
+                    var generatedClassName = ProjectionExpressionClassNameGenerator.GenerateName(projectable.ClassNamespace, projectable.NestedInClassNames, projectable.MemberName);
+
+                    resultBuilder.Append($@"
+namespace EntityFrameworkCore.Projections.Generated
+#nullable disable
+{{
+    public static class {generatedClassName}
+    {{
+        public static System.Linq.Expressions.Expression<System.Func<{projectable.ClassNamespace}.{string.Join(".", projectable.NestedInClassNames)}, {projectable.ReturnTypeName}>> Expression{projectable.ParametersListString} => 
+            {ProjectionTargetParameterName} => {projectable.Body};
+    }}
+}}");
+
+                    context.AddSource($"{generatedClassName}_Generated", SourceText.From(resultBuilder.ToString(), Encoding.UTF8));
+                }
+            }
+        }
+
+        public void Initialize(GeneratorInitializationContext context) =>
+            context.RegisterForSyntaxNotifications(() => new SyntaxReceiver());
+    }
+}
--- a/src/EntityFrameworkCore.Projections.Generator/SyntaxReceiver.cs
+++ b/src/EntityFrameworkCore.Projections.Generator/SyntaxReceiver.cs
@@ -0,0 +1,30 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Generator
+{
+    public class SyntaxReceiver : ISyntaxReceiver
+    {
+        public List<MemberDeclarationSyntax> Candidates { get; } = new List<MemberDeclarationSyntax>();
+
+        public void OnVisitSyntaxNode(SyntaxNode syntaxNode)
+        {
+            if (syntaxNode is MemberDeclarationSyntax memberDeclarationSyntax && memberDeclarationSyntax.AttributeLists.Count > 0)
+            {
+                var hasProjectableAttribute = memberDeclarationSyntax.AttributeLists
+                    .SelectMany(x => x.Attributes)
+                    .Any(x => x.Name.ToString().Contains("Projectable"));
+
+                if (hasProjectableAttribute)
+                {
+                    Candidates.Add(memberDeclarationSyntax);
+                }
+            }
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/EntityFrameworkCore.Projections.csproj
+++ b/src/EntityFrameworkCore.Projections/EntityFrameworkCore.Projections.csproj
@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="5.0.6" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\EntityFrameworkCore.Projections.Abstractions\EntityFrameworkCore.Projections.Abstractions.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/src/EntityFrameworkCore.Projections/Extensions/DbContextOptionsExtensions.cs
+++ b/src/EntityFrameworkCore.Projections/Extensions/DbContextOptionsExtensions.cs
@@ -0,0 +1,27 @@
+using EntityFrameworkCore.Projections.Infrastructure.Internal;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Extensions
+{
+    public static class DbContextOptionsExtensions
+    {
+        public static DbContextOptionsBuilder<TContext> UseProjections<TContext>(this DbContextOptionsBuilder<TContext> optionsBuilder)
+            where TContext : DbContext
+            => (DbContextOptionsBuilder<TContext>)UseProjections((DbContextOptionsBuilder)optionsBuilder);
+
+        public static DbContextOptionsBuilder UseProjections(this DbContextOptionsBuilder optionsBuilder)
+        {
+            var extension = optionsBuilder.Options.FindExtension<ProjectionOptionsExtension>() ?? new ProjectionOptionsExtension();
+            ((IDbContextOptionsBuilderInfrastructure)optionsBuilder).AddOrUpdateExtension(extension);
+
+            return optionsBuilder;
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/Extensions/TypeExtensions.cs
+++ b/src/EntityFrameworkCore.Projections/Extensions/TypeExtensions.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics.Arm;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Extensions
+{
+    public static class TypeExtensions
+    {
+        public static IEnumerable<Type> GetNestedTypePath(this Type type)
+        {
+            if (type.IsNested && type.DeclaringType is not null)
+            {
+                foreach (var containingType in type.DeclaringType.GetNestedTypePath())
+                {
+                    yield return containingType;
+                }
+            }
+
+            yield return type;
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/Infrastructure/Internal/ProjectionOptionsExtension.cs
+++ b/src/EntityFrameworkCore.Projections/Infrastructure/Internal/ProjectionOptionsExtension.cs
@@ -0,0 +1,65 @@
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Query;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Infrastructure.Internal
+{
+    public class ProjectionOptionsExtension : IDbContextOptionsExtension
+    {
+        public ProjectionOptionsExtension()
+        {
+            Info = new ExtensionInfo(this);
+        }
+
+        public DbContextOptionsExtensionInfo Info { get; } 
+
+        public void ApplyServices(IServiceCollection services)
+        {
+            var existingPreprocessorFactoryRegistration = services.FirstOrDefault(x => x.ServiceType == typeof(IQueryTranslationPreprocessorFactory));
+
+            if (existingPreprocessorFactoryRegistration?.ImplementationType is null)
+            {
+                throw new InvalidOperationException("Expected a QueryTranslationPreprocessor to be registered. Please make sure to register your database provider first");
+            }
+
+            // Ensure that we can still resolve this factory
+            services.Add(new ServiceDescriptor(existingPreprocessorFactoryRegistration.ImplementationType, existingPreprocessorFactoryRegistration.ImplementationType, existingPreprocessorFactoryRegistration.Lifetime));
+            services.Remove(existingPreprocessorFactoryRegistration);
+
+            services.Add(new ServiceDescriptor(
+                typeof(IQueryTranslationPreprocessorFactory),
+                serviceProvider => new WrappedQueryTranslationPreprocessorFactory((IQueryTranslationPreprocessorFactory)serviceProvider.GetRequiredService(existingPreprocessorFactoryRegistration.ImplementationType), serviceProvider.GetRequiredService<QueryTranslationPreprocessorDependencies>()),
+                existingPreprocessorFactoryRegistration.Lifetime
+            ));
+
+        }
+
+        public void Validate(IDbContextOptions options)
+        {
+        }
+
+        sealed class ExtensionInfo : DbContextOptionsExtensionInfo
+        {
+            public ExtensionInfo(IDbContextOptionsExtension extension) : base(extension)
+            {
+            }
+
+            public override bool IsDatabaseProvider => false;
+            public override string LogFragment => string.Empty;
+            public override long GetServiceProviderHashCode() => 0;
+            
+            public override void PopulateDebugInfo(IDictionary<string, string> debugInfo)
+            {
+                if (debugInfo == null)
+                {
+                    throw new ArgumentNullException(nameof(debugInfo));
+                }
+            }
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/Infrastructure/Internal/WrappedQueryTranslationPreprocessorFactory.cs
+++ b/src/EntityFrameworkCore.Projections/Infrastructure/Internal/WrappedQueryTranslationPreprocessorFactory.cs
@@ -0,0 +1,54 @@
+using EntityFrameworkCore.Projections.Services;
+using Microsoft.EntityFrameworkCore.Query;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Infrastructure.Internal
+{
+    public class WrappedQueryTranslationPreprocessorFactory : IQueryTranslationPreprocessorFactory
+    {
+        readonly IQueryTranslationPreprocessorFactory _originalFactory;
+        readonly QueryTranslationPreprocessorDependencies _dependencies;
+
+        public WrappedQueryTranslationPreprocessorFactory(IQueryTranslationPreprocessorFactory originalFactory, QueryTranslationPreprocessorDependencies dependencies)
+        {
+            _originalFactory = originalFactory;
+            _dependencies = dependencies;
+        }
+
+        public QueryTranslationPreprocessor Create(QueryCompilationContext queryCompilationContext)
+        {
+            var originalPreprocessor = _originalFactory.Create(queryCompilationContext);
+
+            return new WrappedQueryTranslationPreprocessor(originalPreprocessor, _dependencies, queryCompilationContext);
+        }
+    }
+
+    public class WrappedQueryTranslationPreprocessor : QueryTranslationPreprocessor
+    {
+        readonly ProjectableExpressionReplacer _projectableExpressionReplacer;
+        readonly QueryTranslationPreprocessor _originalPreprocessor;
+
+        public WrappedQueryTranslationPreprocessor(QueryTranslationPreprocessor originalPreprocessor, QueryTranslationPreprocessorDependencies dependencies, QueryCompilationContext queryCompilationContext) : base(dependencies, queryCompilationContext)
+        {
+            _originalPreprocessor = originalPreprocessor;
+            _projectableExpressionReplacer = new ProjectableExpressionReplacer();
+        }
+
+        public override Expression NormalizeQueryableMethod(Expression expression)
+        {
+            return _originalPreprocessor.NormalizeQueryableMethod(expression);
+        }
+
+        public override Expression Process(Expression query)
+        {
+            query = _projectableExpressionReplacer.Visit(query);
+
+            return _originalPreprocessor.Process(query);
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/Services/ExpressionArgumentReplacer.cs
+++ b/src/EntityFrameworkCore.Projections/Services/ExpressionArgumentReplacer.cs
@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Services
+{
+    public class ExpressionArgumentReplacer : ExpressionVisitor
+    {
+        readonly Expression _targetExpression;
+
+        public ExpressionArgumentReplacer(Expression targetExpression)
+        {
+            _targetExpression = targetExpression;
+        }
+
+        protected override Expression VisitParameter(ParameterExpression node)
+        {
+            if (node.Name == "projectionTarget")
+            {
+                return _targetExpression;
+            }
+            else
+            {
+                return base.VisitParameter(node);
+            }
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/Services/ProjectableExpressionReplacer.cs
+++ b/src/EntityFrameworkCore.Projections/Services/ProjectableExpressionReplacer.cs
@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Services
+{
+    public class ProjectableExpressionReplacer : ExpressionVisitor
+    {
+        readonly ProjectionExpressionResolver _resolver = new();
+
+        protected override Expression VisitMethodCall(MethodCallExpression node)
+        {
+            if (node.Method.GetCustomAttributes(true).OfType<ProjectableAttribute>().Any())
+            {
+                var reflectedExpressionFactory = _resolver.FindGeneratedExpressionFactory(node.Method);
+                var reflectedExpresssion = reflectedExpressionFactory(node.Arguments);
+                if (reflectedExpresssion is not null)
+                {
+                    if (node.Object is not null)
+                    {
+                        var expressionArgumentReplacer = new ExpressionArgumentReplacer(node.Object);
+                        return expressionArgumentReplacer.Visit(reflectedExpresssion.Body);
+                    }
+                    else
+                    {
+                        return reflectedExpresssion.Body;
+                    }
+                }
+            }
+
+            return base.VisitMethodCall(node);
+        }
+
+        protected override Expression VisitMember(MemberExpression node)
+        {
+            if (node.Member.GetCustomAttributes(true).OfType<ProjectableAttribute>().Any())
+            {
+                var reflectedExpressionFactory = _resolver.FindGeneratedExpressionFactory(node.Member);
+                var reflectedExpression = reflectedExpressionFactory(null);
+                if (reflectedExpression is not null)
+                {
+                    if (node.Expression is not null)
+                    {
+                        var expressionArgumentReplacer = new ExpressionArgumentReplacer(node.Expression);
+                        return expressionArgumentReplacer.Visit(reflectedExpression.Body);
+                    }
+                    else
+                    {
+                        return reflectedExpression.Body;
+                    }
+                }
+            }
+
+            return base.VisitMember(node);
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/Services/ProjectionExpressionClassNameGenerator.cs
+++ b/src/EntityFrameworkCore.Projections/Services/ProjectionExpressionClassNameGenerator.cs
@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityFrameworkCore.Projections.Services
+{
+    public static class ProjectionExpressionClassNameGenerator
+    {
+        public const string Namespace = "EntityFrameworkCore.Projections.Generated";
+
+        public static string GenerateName(string? namespaceName, IEnumerable<string> nestedInClassNames, string memberName)
+        {
+            var stringBuilder = new StringBuilder();
+
+            return GenerateNameImpl(stringBuilder, namespaceName, nestedInClassNames, memberName);
+        }
+
+        public static string GenerateFullName(string? namespaceName, IEnumerable<string> nestedInClassNames, string memberName)
+        {
+            var stringBuilder = new StringBuilder(Namespace);
+            stringBuilder.Append('.');
+
+            return GenerateNameImpl(stringBuilder, namespaceName, nestedInClassNames, memberName);
+        }
+
+        static string GenerateNameImpl(StringBuilder stringBuilder, string? namespaceName, IEnumerable<string> nestedInClassNames, string memberName)
+        {
+            stringBuilder.Append(namespaceName?.Replace('.', '_'));
+            stringBuilder.Append('_');
+            foreach (var className in nestedInClassNames)
+            {
+                stringBuilder.Append(className);
+                stringBuilder.Append('_');
+            }
+            stringBuilder.Append(memberName);
+
+            return stringBuilder.ToString();
+        }
+    }
+}
--- a/src/EntityFrameworkCore.Projections/Services/ProjectionExpressionResolver.cs
+++ b/src/EntityFrameworkCore.Projections/Services/ProjectionExpressionResolver.cs
@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.Extensions;
+
+namespace EntityFrameworkCore.Projections.Services
+{
+    public sealed class ProjectionExpressionResolver
+    {
+        readonly ConcurrentDictionary<string, Func<IReadOnlyCollection<Expression>?, LambdaExpression>> _lookupCache = new();
+
+        public Func<IReadOnlyCollection<Expression>?, LambdaExpression> FindGeneratedExpressionFactory(MemberInfo projectableMemberInfo)
+        {
+            var reflectedType = projectableMemberInfo.ReflectedType ?? throw new InvalidOperationException("Expected a valid type here");
+            var generatedContainingTypeName = ProjectionExpressionClassNameGenerator.GenerateFullName(reflectedType.Namespace, reflectedType.GetNestedTypePath().Select(x => x.Name), projectableMemberInfo.Name);
+
+            return _lookupCache.GetOrAdd(generatedContainingTypeName, _ => {
+                var expressionFactoryMethod = reflectedType.Assembly
+                    .GetTypes()
+                    .Where(x => x.FullName == generatedContainingTypeName)
+                    .SelectMany(x => x.GetMethods())
+                    .FirstOrDefault();
+
+                if (expressionFactoryMethod is null)
+                {
+                    throw new InvalidOperationException("Unable to resolve generated expression") {
+                        Data = {
+                            ["GeneratedContainingTypeName"] = generatedContainingTypeName
+                        }
+                    };
+                }
+
+                return new Func<IReadOnlyCollection<Expression>?, LambdaExpression>(argumentExpressions => 
+                {
+                    if (argumentExpressions is null || argumentExpressions.Count is 0)
+                    {
+                        return expressionFactoryMethod.Invoke(null, null) as LambdaExpression ?? throw new InvalidOperationException("Expected lambda");
+                    }
+                    else
+                    {
+                        var test1 = argumentExpressions.Cast<ParameterExpression>()!;
+
+                        var expressionFactoryConstructionMethod =
+                            Expression.Lambda<Func<LambdaExpression>>(
+                                Expression.Call(
+                                    expressionFactoryMethod,
+                                    argumentExpressions
+                                )
+                            ).Compile();
+
+                        return expressionFactoryConstructionMethod.Invoke();
+                    }
+                });
+            }); 
+        }
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/EntityFrameworkCore.Projections.Generator.Tests.csproj
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/EntityFrameworkCore.Projections.Generator.Tests.csproj
@@ -0,0 +1,36 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Basic.Reference.Assemblies.NetStandard20" Version="1.1.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyModel" Version="5.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+    <PackageReference Include="Verify.Xunit" Version="11.5.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="1.3.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Remove="**\*.verified.txt" />
+    <None Remove="**\*.received.txt" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections.Generator\EntityFrameworkCore.Projections.Generator.csproj" />
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections\EntityFrameworkCore.Projections.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ArgumentlessProjectableComputedMethod.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ArgumentlessProjectableComputedMethod.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression() => 
+            projectionTarget => 0;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.MoreComplexProjectableComputedProperty.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.MoreComplexProjectableComputedProperty.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression() => 
+            projectionTarget => projectionTarget.Bar + projectionTarget.Bar + projectionTarget.Bar;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedMethodWithMultipleArguments.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedMethodWithMultipleArguments.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression(int a, string b, object d) => 
+            projectionTarget => a;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedMethodWithSingleArgument.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedMethodWithSingleArgument.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression(int i) => 
+            projectionTarget => i;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedPropertyMethod.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedPropertyMethod.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression() => 
+            projectionTarget => projectionTarget.Bar();
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedPropertyUsingThis.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectableComputedPropertyUsingThis.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression() => 
+            projectionTarget => projectionTarget.Bar;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectablePropertyToNavigationalProperty.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.ProjectablePropertyToNavigationalProperty.verified.txt
@@ -0,0 +1,12 @@
+using System;
+using System.Linq;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, D>> Expression() => 
+            projectionTarget => projectionTarget.Dees.First();
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableComputedInNestedClassProperty.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableComputedInNestedClassProperty.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_D_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C.D, int>> Expression() => 
+            projectionTarget => projectionTarget.Bar + 1;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableComputedProperty.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableComputedProperty.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression() => 
+            projectionTarget => projectionTarget.Bar + 1;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableMethod.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableMethod.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression() => 
+            projectionTarget => 1;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableProperty.verified.txt
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.SimpleProjectableProperty.verified.txt
@@ -0,0 +1,11 @@
+using System;
+using EntityFrameworkCore.Projections;
+
+namespace EntityFrameworkCore.Projections.Generated
+{
+    public static class Foo_C_Foo
+    {
+        public static System.Linq.Expressions.Expression<System.Func<Foo.C, int>> Expression() => 
+            projectionTarget => 1;
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.cs
+++ b/tests/EntityFrameworkCore.Projections.Generator.Tests/ProjectionExpressionGeneratorTests.cs
@@ -0,0 +1,372 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using VerifyXunit;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace EntityFrameworkCore.Projections.Generator.Tests
+{
+    [UsesVerify]
+    public class ProjectionExpressionGeneratorTests
+    {
+        readonly ITestOutputHelper _testOutputHelper;
+
+        public ProjectionExpressionGeneratorTests(ITestOutputHelper testOutputHelper)
+        {
+            _testOutputHelper = testOutputHelper;
+        }
+
+        [Fact]
+        public void EmtpyCode_Noop()
+        {
+            var compilation = CreateCompilation(@"
+class C { }
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Empty(result.GeneratedTrees);
+        }
+
+        [Fact]
+        public Task SimpleProjectableMethod()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        [Projectable]
+        public int Foo() => 1;
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task SimpleProjectableProperty()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        [Projectable]
+        public int Foo => 1;
+    }
+}
+");
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task SimpleProjectableComputedProperty()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        public int Bar { get; set; }
+
+        [Projectable]
+        public int Foo => Bar + 1;
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task SimpleProjectableComputedInNestedClassProperty()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        class D {
+            public int Bar { get; set; }
+
+            [Projectable]
+            public int Foo => Bar + 1;
+        }
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task ProjectableComputedPropertyUsingThis()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        public int Bar { get; set; }
+
+        [Projectable]
+        public int Foo => this.Bar;
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task ProjectableComputedPropertyMethod()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        public int Bar() => 1;
+
+        [Projectable]
+        public int Foo => Bar();
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+
+        [Fact]
+        public Task MoreComplexProjectableComputedProperty()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        public int Bar { get; set; }
+
+        [Projectable]
+        public int Foo => Bar + this.Bar + Bar;
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task ArgumentlessProjectableComputedMethod()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        [Projectable]
+        public int Foo() => 0;
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task ProjectableComputedMethodWithSingleArgument()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        [Projectable]
+        public int Foo(int i) => i;
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task ProjectableComputedMethodWithMultipleArguments()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class C {
+        [Projectable]
+        public int Foo(int a, string b, object d) => a;
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+        [Fact]
+        public Task ProjectablePropertyToNavigationalProperty()
+        {
+            var compilation = CreateCompilation(@"
+using System;
+using System.Linq;
+using EntityFrameworkCore.Projections;
+namespace Foo {
+    class D { }
+    
+    class C {
+        public System.Collections.Generic.List<D> Dees { get; set; }
+
+        [Projectable]
+        public D Foo => Dees.First();
+    }
+}
+");
+
+            var result = RunGenerator(compilation);
+
+            Assert.Empty(result.Diagnostics);
+            Assert.Single(result.GeneratedTrees);
+
+            return Verifier.Verify(result.GeneratedTrees[0].ToString());
+        }
+
+
+        #region Helpers
+
+        Compilation CreateCompilation(string source, bool expectedToCompile = true)
+        {
+            var references = Basic.Reference.Assemblies.NetStandard20.All.ToList();
+            references.Add(MetadataReference.CreateFromFile(typeof(ProjectableAttribute).Assembly.Location));
+
+            var assemblyPath = Path.GetDirectoryName(typeof(object).Assembly.Location);
+
+            var compilation = CSharpCompilation.Create("compilation",
+                new[] { CSharpSyntaxTree.ParseText(source) },
+                references,
+                new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
+
+#if DEBUG
+
+            if (expectedToCompile)
+            {
+                var compilationDiagnostics = compilation.GetDiagnostics();
+
+                if (!compilationDiagnostics.IsEmpty)
+                {
+                    _testOutputHelper.WriteLine($"Original compilation diagnostics produced:");
+
+                    foreach (var diagnostic in compilationDiagnostics)
+                    {
+                        _testOutputHelper.WriteLine($" > " + diagnostic.ToString());
+                    }
+
+                    if (compilationDiagnostics.Any(x => x.Severity == DiagnosticSeverity.Error))
+                    {
+                        Debug.Fail("Compilation diagnostics produced");
+                    }
+                }
+            }
+#endif
+
+            return compilation;
+        }
+
+        private GeneratorDriverRunResult RunGenerator(Compilation compilation)
+        {
+            _testOutputHelper.WriteLine("Running generator and updating compilation...");
+
+            var subject = new ProjectionExpressionGenerator();
+            var driver = CSharpGeneratorDriver
+                .Create(subject)
+                .RunGenerators(compilation);
+
+            var result = driver.GetRunResult();
+
+            if (result.Diagnostics.IsEmpty)
+            {
+                _testOutputHelper.WriteLine("Run did not produce diagnostics");
+            }
+            else
+            {
+                _testOutputHelper.WriteLine($"Diagnostics produced:");
+
+                foreach (var diagnostic in result.Diagnostics)
+                {
+                    _testOutputHelper.WriteLine($" > " + diagnostic.ToString());
+                }
+            }
+
+            foreach (var newSyntaxTree in result.GeneratedTrees)
+            {
+                _testOutputHelper.WriteLine($"Produced syntax tree with path produced: {newSyntaxTree.FilePath}");
+                _testOutputHelper.WriteLine(newSyntaxTree.GetText().ToString());
+            }
+
+            return driver.GetRunResult();
+        }
+
+        #endregion
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Tests/EntityFrameworkCore.Projections.Tests.csproj
+++ b/tests/EntityFrameworkCore.Projections.Tests/EntityFrameworkCore.Projections.Tests.csproj
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="1.3.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections\EntityFrameworkCore.Projections.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/tests/EntityFrameworkCore.Projections.Tests/Extensions/TypeExtensionTests.cs
+++ b/tests/EntityFrameworkCore.Projections.Tests/Extensions/TypeExtensionTests.cs
@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.Extensions;
+using Xunit;
+
+namespace EntityFrameworkCore.Projections.Tests.Extensions
+{
+    public class TypeExtensionTests
+    {
+        class InnerType
+        {
+            public class SubsequentlyInnerType
+            {
+
+            }
+        }
+
+        [Fact]
+        public void GetNestedTypePath_OuterType_Returns1Entry()
+        {
+            var subject = typeof(TypeExtensionTests);
+
+            var result = subject.GetNestedTypePath();
+
+            Assert.Single(result);
+        }
+
+        
+        [Fact]
+        public void GetNestedTypePath_InnerType_Returns2Entries()
+        {
+            var subject = typeof(InnerType);
+
+            var result = subject.GetNestedTypePath();
+
+            Assert.Equal(2, result.Count());
+        }
+
+        [Fact]
+        public void GetNestedTypePath_SubsequentlyInnerType_Returns3Entries()
+        {
+            var subject = typeof(InnerType.SubsequentlyInnerType);
+
+            var result = subject.GetNestedTypePath();
+
+            Assert.Equal(3, result.Count());
+        }
+
+        [Fact]
+        public void GetNestedTypePath_SubsequentlyInnerType_ReturnsTypesInOrder()
+        {
+            var subject = typeof(InnerType.SubsequentlyInnerType);
+
+            var result = subject.GetNestedTypePath();
+
+            Assert.Equal(typeof(TypeExtensionTests), result.First());
+            Assert.Equal(typeof(InnerType.SubsequentlyInnerType), result.Last());
+        }
+    }
+}
--- a/tests/EntityFrameworkCore.Projections.Tests/Services/ProjectionExpressionClassNameGeneratorTests.cs
+++ b/tests/EntityFrameworkCore.Projections.Tests/Services/ProjectionExpressionClassNameGeneratorTests.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using EntityFrameworkCore.Projections.Services;
+using Xunit;
+
+namespace EntityFrameworkCore.Projections.Tests.Services
+{
+    public class ProjectionExpressionClassNameGeneratorTests
+    {
+        [Theory]
+        [InlineData("ns", new string[] { "a" }, "m", "ns_a_m")]
+        [InlineData("ns", new string[] { "a", "b" }, "m", "ns_a_b_m")]
+        [InlineData(null, new string[] { "a" }, "m", "_a_m")]
+        public void GenerateName(string? namespaceName, string[] nestedTypeNames, string memberName, string expected)
+        {
+            var result = ProjectionExpressionClassNameGenerator.GenerateName(namespaceName, nestedTypeNames, memberName);
+
+            Assert.Equal(expected, result);
+        }
+
+        [Fact]
+        public void GeneratedFullName()
+        {
+            var expected = $"{ProjectionExpressionClassNameGenerator.Namespace}.{ProjectionExpressionClassNameGenerator.GenerateName("a", new[] { "b" }, "m")}";
+            var result = ProjectionExpressionClassNameGenerator.GenerateFullName("a", new [] { "b" }, "m");
+
+            Assert.Equal(expected, result);
+        }
+    }
+}