From 4dd31c48c5ef42ea731e0c6a86b99cb3c89f0a6a Mon Sep 17 00:00:00 2001
From: atronah <atronah.ds@gmail.com>
Date: Sat, 29 Apr 2017 14:49:38 +0300
Subject: adds '1.' option support for float numbers regex

---
 sqlparse/keywords.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'sqlparse')

diff --git a/sqlparse/keywords.py b/sqlparse/keywords.py
index f742598..fbc77d5 100644
--- a/sqlparse/keywords.py
+++ b/sqlparse/keywords.py
@@ -53,13 +53,14 @@ SQL_REGEX = {
         # Spaces around period `schema . name` are valid identifier
         # TODO: Spaces before period not implemented
         (r'[A-Z]\w*(?=\s*\.)', tokens.Name),  # 'Name'   .
+        # FIXME(atronah): never match,
+        # because `re.match` doesn't work with lookbehind regexp feature
         (r'(?<=\.)[A-Z]\w*', tokens.Name),  # .'Name'
         (r'[A-Z]\w*(?=\()', tokens.Name),  # side effect: change kw to func
 
-        # TODO: `1.` and `.1` are valid numbers
         (r'-?0x[\dA-F]+', tokens.Number.Hexadecimal),
         (r'-?\d*(\.\d+)?E-?\d+', tokens.Number.Float),
-        (r'-?\d*\.\d+', tokens.Number.Float),
+        (r'-?(\d+(\.\d*)|\.\d+)', tokens.Number.Float),
         (r'-?\d+', tokens.Number.Integer),
 
         (r"'(''|\\\\|\\'|[^'])*'", tokens.String.Single),
-- 
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