fix json operator

Author: ea-rus

mindsdb_sql_parser/__about__.py

@@ -1,6 +1,6 @@
 __title__ = 'mindsdb_sql_parser'
 __package_name__ = 'mindsdb_sql_parser'
-__version__ = '0.4.0'
+__version__ = '0.4.1'
 __description__ = "Mindsdb SQL parser"
 __email__ = "[email protected]"
 __author__ = 'MindsDB Inc'

mindsdb_sql_parser/lexer.py

@@ -280,8 +280,8 @@ class MindsDBLexer(Lexer):
     VECT_HAMM = r'<~>'
     VECT_JACC = r'<%>'
 
-    JSON_GET = r'->'
     JSON_GET_STR = r'->>'
+    JSON_GET = r'->'
     PLUS = r'\+'
     MINUS = r'-'
     MATCH = r'~'

tests/test_mindsdb/test_selects.py

@@ -166,12 +166,12 @@ def test_last(self):
         assert str(ast) == str(expected_ast)
 
     def test_json(self):
-        sql = """SELECT col->1->'c' from TAB1"""
+        sql = """SELECT col->1->>'c' from TAB1"""
 
         ast = parse_sql(sql)
         expected_ast = Select(
             targets=[BinaryOperation(
-                op='->',
+                op='->>',
                 args=[
                     BinaryOperation(
                         op='->',