initial support for is null and is not null

will nedd some work, but just for now
2021-09-08 18:34:11 +02:00
parent 0db976f471
commit 61f3af90af
6 changed files with 30 additions and 5 deletions
--- a/lexer.h
+++ b/lexer.h
@@ -20,6 +20,7 @@ namespace usql {
 	greater_equal,
 	lesser,
 	lesser_equal,
+	is,
 	keyword_as,
 	keyword_create,
 	keyword_drop,