Fix: bigquery table with hyphen number

sqlglot/tokens.py

@@ -851,6 +851,12 @@ def _advance(self, i: int = 1, alnum: bool = False) -> None:
     def _text(self) -> str:
         return self.sql[self._start : self._current]
 
+    def peek(self, i: int = 0) -> str:
+        i = self._current + i
+        if i < self.size:
+            return self.sql[i]
+        return ""
+
     def _add(self, token_type: TokenType, text: t.Optional[str] = None) -> None:
         self._prev_token_line = self._line
         self.tokens.append(
@@ -987,8 +993,12 @@ def _scan_number(self) -> None:
             if self._peek.isdigit():
                 self._advance()
             elif self._peek == "." and not decimal:
-                decimal = True
-                self._advance()
+                after = self.peek(1)
+                if after.isdigit() or not after.strip():
+                    decimal = True
+                    self._advance()
+                else:
+                    return self._add(TokenType.VAR)
             elif self._peek in ("-", "+") and scientific == 1:
                 scientific += 1
                 self._advance()

tests/dialects/test_bigquery.py

@@ -6,6 +6,7 @@ class TestBigQuery(Validator):
     dialect = "bigquery"
 
     def test_bigquery(self):
+        self.validate_identity("SELECT * FROM x-0.a")
         self.validate_identity("SELECT * FROM pivot CROSS JOIN foo")
         self.validate_identity("SAFE_CAST(x AS STRING)")
         self.validate_identity("SELECT * FROM a-b-c.mydataset.mytable")

tests/test_parser.py

@@ -521,3 +521,6 @@ def test_parse_properties(self):
         self.assertEqual(
             parse_one("create materialized table x").sql(), "CREATE MATERIALIZED TABLE x"
         )
+
+    def test_parse_floats(self):
+        self.assertTrue(parse_one("1. ").is_number)