- Added get_pk_constraint() to reflection.Inspector, similar

to get_primary_keys() except returns a dict that includes the
name of the constraint, for supported backends (PG so far).
[ticket:1769]
- Postgresql reflects the name of primary key constraints,
if one exists.  [ticket:1769]

1 files changed, 9 insertions, 1 deletions

diff --git a/lib/sqlalchemy/test/requires.py b/lib/sqlalchemy/test/requires.py
index bf911c2c2..1b9052fd8 100644
--- a/lib/sqlalchemy/test/requires.py
+++ b/lib/sqlalchemy/test/requires.py
@@ -11,7 +11,8 @@ from testing import \
      exclude, \
      emits_warning_on,\
      skip_if,\
-     fails_on
+     fails_on,\
+     fails_on_everything_except
 
 import testing
 import sys
@@ -245,6 +246,13 @@ def sane_rowcount(fn):
         fn,
         skip_if(lambda: not testing.db.dialect.supports_sane_rowcount)
     )
+
+def reflects_pk_names(fn):
+    """Target driver reflects the name of primary key constraints."""
+    return _chain_decorators_on(
+        fn,
+        fails_on_everything_except('postgresql')
+    )
     
 def python2(fn):
     return _chain_decorators_on(