Add support for some of the JSON operators (fixes #682).

CHANGELOG

@@ -12,6 +12,7 @@ Enhancements:
   Some database backends love statements without semicolon (issue742).
 * Support TypedLiterals in get_parameters (pr649, by Khrol).
 * Improve splitting of Transact SQL when using GO keyword (issue762).
+* Support for some JSON operators (issue682).
 
 Bug Fixes
 

sqlparse/keywords.py

@@ -89,6 +89,8 @@
     # but the match isn't a keyword.
     (r'\w[$#\w]*', PROCESS_AS_KEYWORD),
     (r'[;:()\[\],\.]', tokens.Punctuation),
+    # JSON operators
+    (r'(\->>?|#>>?|@>|<@|\?\|?|\?&|\-|#\-)', tokens.Operator),
     (r'[<>=~!]+', tokens.Operator.Comparison),
     (r'[+/@#%^&|^-]+', tokens.Operator),
 ]

tests/test_parse.py

@@ -579,3 +579,17 @@ def test_configurable_regex():
         for t in tokens
         if t.ttype not in sqlparse.tokens.Whitespace
     )[4] == (sqlparse.tokens.Keyword, "zorder by")
+
+
+@pytest.mark.parametrize('sql', [
+    '->', '->>', '#>', '#>>',
+    '@>', '<@',
+    # leaving ? out for now, they're somehow ambiguous as placeholders
+    # '?', '?|', '?&',
+    '||', '-', '#-'
+])
+def test_json_operators(sql):
+    p = sqlparse.parse(sql)
+    assert len(p) == 1
+    assert len(p[0].tokens) == 1
+    assert p[0].tokens[0].ttype == sqlparse.tokens.Operator