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author | Damian Dimmich <damian@tauri-tec.com> | 2014-07-01 13:24:30 +0400 |
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committer | Damian Dimmich <damian@tauri-tec.com> | 2014-07-01 13:24:30 +0400 |
commit | ceeee81017e5fb0ac03f4a102ffd6cce418f0b05 (patch) | |
tree | b78060b91fa8f1d1bdbe86f911874104f7e4f0bf | |
parent | 7f402761d91a79afd01072d7ab6e83bf64106ddc (diff) | |
download | sqlalchemy-pr/101.tar.gz |
jsonb support for <@, ?| and ?& added.pr/101
need to see if equality already works.
-rw-r--r-- | lib/sqlalchemy/dialects/postgresql/json.py | 19 | ||||
-rw-r--r-- | test/dialect/postgresql/test_types.py | 19 |
2 files changed, 37 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/json.py b/lib/sqlalchemy/dialects/postgresql/json.py index 183cb2695..d19dbe118 100644 --- a/lib/sqlalchemy/dialects/postgresql/json.py +++ b/lib/sqlalchemy/dialects/postgresql/json.py @@ -279,8 +279,9 @@ class JSONB(JSON): return JSONElement(self.expr, other) def _adapt_expression(self, op, other_comparator): + # How does one do equality?? jsonb also has "=" eg. '[1,2,3]'::jsonb = '[1,2,3]'::jsonb if isinstance(op, custom_op): - if op.opstring in ['?', '@>']: + if op.opstring in ['?', '?&', '?|', '@>', '<@']: return op, sqltypes.Boolean if op.opstring == '->': return op, sqltypes.Text @@ -293,10 +294,26 @@ class JSONB(JSON): """ return self.expr.op('?')(other) + def has_all(self, other): + """Boolean expression. Test for presence of all keys in jsonb + """ + return self.expr.op('?&')(other) + + def has_any(self, other): + """Boolean expression. Test for presence of any key in jsonb + """ + return self.expr.op('?|')(other) + def contains(self, other, **kwargs): """Boolean expression. Test if keys (or array) are a superset of/contained the keys of the argument jsonb expression. """ return self.expr.op('@>')(other) + def contained_by(self, other): + """Boolean expression. Test if keys are a proper subset of the + keys of the argument jsonb expression. + """ + return self.expr.op('<@')(other) + ischema_names['jsonb'] = JSONB
\ No newline at end of file diff --git a/test/dialect/postgresql/test_types.py b/test/dialect/postgresql/test_types.py index d4d7d3766..87250d467 100644 --- a/test/dialect/postgresql/test_types.py +++ b/test/dialect/postgresql/test_types.py @@ -2009,12 +2009,31 @@ class JSONBTest(JSONTest): "test_table.test_column ? %(test_column_1)s" ) + def test_where_has_all(self): + self._test_where( + self.jsoncol.has_all({'name': 'r1', 'data': {"k1": "r1v1", "k2": "r1v2"}}), + "test_table.test_column ?& %(test_column_1)s" + ) + + def test_where_has_any(self): + self._test_where( + self.jsoncol.has_any(postgresql.array(['name', 'data'])), + "test_table.test_column ?| ARRAY[%(param_1)s, %(param_2)s]" + ) + def test_where_contains(self): self._test_where( self.jsoncol.contains({"k1": "r1v1"}), "test_table.test_column @> %(test_column_1)s" ) + def test_where_contained_by(self): + self._test_where( + self.jsoncol.contained_by({'foo': '1', 'bar': None}), + "test_table.test_column <@ %(test_column_1)s" + ) + + class JSONBRoundTripTest(JSONRoundTripTest): __only_on__ = ('postgresql >= 9.4',) |