diff --git a/.vscode/settings.json b/.vscode/settings.json
index ec30c88..9c2d689 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -69,6 +69,7 @@
         "thread": "cpp",
         "numeric": "cpp",
         "stack": "cpp",
-        "list": "cpp"
+        "list": "cpp",
+        "variant": "cpp"
     }
 }
\ No newline at end of file
diff --git a/usql/CMakeLists.txt b/usql/CMakeLists.txt
deleted file mode 100644
index 745b7aa..0000000
--- a/usql/CMakeLists.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-cmake_minimum_required(VERSION 3.0)
-
-set(CMAKE_CXX_STANDARD          17)
-set(CMAKE_CXX_STANDARD_REQUIRED ON)
-set(CMAKE_CXX_EXTENSIONS        OFF)
-
-set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14")
-
-
-project(usql)
-
-set(PROJECT_NAME usql)
-
-set(SOURCE
-	exception.cpp lexer.cpp parser.cpp usql.cpp main.cpp table.cpp table.h row.cpp row.h csvreader.cpp csvreader.h ml_date.cpp)
-
-add_executable(${PROJECT_NAME} ${SOURCE})
-
-target_link_libraries(${PROJECT_NAME} stdc++ m)
-
-target_compile_options(usql PRIVATE -g)
diff --git a/usql/Readme.md b/usql/Readme.md
index b0d6821..08a5e9d 100644
--- a/usql/Readme.md
+++ b/usql/Readme.md
@@ -1,7 +1,9 @@
-
 ### TODO
+- escape " in save csv
+- is null | is not null
 - coalesce, date functions now, add_date; string functions rtrim, ltrim, rpad, lpad; math function round
 - add pipe | concatenation
+- add support for 1_000_000 numbers
 
 - support for order by, offset, limit (allow column name in order by, validate)
 - support for uniqueue indexes (primary key)
@@ -9,6 +11,7 @@
 - support for joining
 - add count min and max functions, eg aggregate functions
 
+- use string_to_double and string_to_long (from Table) everywhere
 - add const wherever should be
-- PERF in Row::Row(const Row &other), could be more efficient (memory and cpu)
+- use static methods where posible
 - use references where pointer cannot be nullptr