@@ -103,7 +103,7 @@ class Lexer
     str.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&")
 
   SQL_KEYWORDS        = ['SELECT', 'FROM', 'WHERE', 'GROUP BY', 'ORDER BY', 'HAVING', 'AS']
-  SQL_FUNCTIONS       = ['COUNT', 'MIN', 'MAX']
+  SQL_FUNCTIONS       = ['AVG', 'COUNT', 'MIN', 'MAX', 'SUM']
   SQL_SORT_ORDERS     = ['ASC', 'DESC']
   SQL_OPERATORS       = ['=', '>', '<', 'LIKE', 'IS NOT', 'IS']
   SQL_CONDITIONALS    = ['AND', 'OR']
 
@@ -1,7 +1,7 @@
 {
   "name": "sql-parser",
   "description": "Lexer and Parser for SQL Syntax",
-  "version": "0.1.7",
+  "version": "0.1.8",
   "author": {
     "name": "Andy Kent",
     "email": "andy@forward.co.uk"
Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`	`{`
`2`	`2`	`"name": "sql-parser",`
`3`	`3`	`"description": "Lexer and Parser for SQL Syntax",`
`4`		`- "version": "0.1.7",`
	`4`	`+ "version": "0.1.8",`
`5`	`5`	`"author": {`
`6`	`6`	`"name": "Andy Kent",`
`7`	`7`	`"email": "andy@forward.co.uk"`