diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/base.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/base.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py index c59caff8d..f3a88ff70 100644 --- a/lib/sqlalchemy/dialects/postgresql/base.py +++ b/lib/sqlalchemy/dialects/postgresql/base.py @@ -669,10 +669,22 @@ class ARRAY(sqltypes.Concatenable, sqltypes.TypeEngine): def compare_values(self, x, y): return x == y + def _test_array_of_scalars(self, arr): + if not arr: + return True + else: + try: + return not isinstance(arr[0], (list, tuple)) + except TypeError: + raise TypeError( + "Cannot auto-coerce ARRAY value of type " + "%s unless dimensions are specified " + "for ARRAY type" % type(arr)) + def _proc_array(self, arr, itemproc, dim, collection): if dim == 1 or ( dim is None and - (not arr or not isinstance(arr[0], (list, tuple))) + self._test_array_of_scalars(arr) ): if itemproc: return collection(itemproc(x) for x in arr) |