update CHANGELOG and version for release 0.12.4

Author: dimitri-yatsenko

CHANGELOG.md

@@ -1,6 +1,13 @@
 ## Release notes
 
-## 0.12.3 -- Nov 22, 2019
+### 0.12.4 -- Jan 03, 2020
+* Support for simple scalar datatypes in blobs (#690 and PR #706)
+* Add support for the `serial` data type in declarations: alias for `bigint unsigned auto_increment` (#713)
+* Improve the log table to avoid primary key collisions (#713)
+* Improve documentation in README
+
+
+### 0.12.3 -- Nov 22, 2019
 * Bugfix #675 (PR #705) networkx 2.4+ is now supported
 * Bugfix #698 and #699 (PR #706) display table definition in doc string and help
 * Bugfix #701 (PR #702) job reservation works with native python datatype support disabled

datajoint/version.py

@@ -1,3 +1,3 @@
-__version__ = "0.12.3"
+__version__ = "0.12.4"
 
 assert len(__version__) <= 10  # The log table limits version to the 10 characters

tests/test_blob.py

@@ -34,30 +34,30 @@ def test_pack():
 
     x = -255
     y = unpack(pack(x))
-    assert_true(x == y and isinstance(y, int) and not isinstance(y, np.ndarray), "Native int did not match")
+    assert_true(x == y and isinstance(y, int) and not isinstance(y, np.ndarray), "Scalar int did not match")
 
     x = -25523987234234287910987234987098245697129798713407812347
     y = unpack(pack(x))
-    assert_true(x == y and isinstance(y, int) and not isinstance(y, np.ndarray), "Native int did not match")
+    assert_true(x == y and isinstance(y, int) and not isinstance(y, np.ndarray), "Unbounded int did not match")
 
     x = 7.
     y = unpack(pack(x))
-    assert_true(x == y and isinstance(y, float) and not isinstance(y, np.ndarray), "Native float did not match")
+    assert_true(x == y and isinstance(y, float) and not isinstance(y, np.ndarray), "Scalar float did not match")
 
     x = 7j
     y = unpack(pack(x))
-    assert_true(x == y and isinstance(y, complex) and not isinstance(y, np.ndarray), "Native complex did not match")
+    assert_true(x == y and isinstance(y, complex) and not isinstance(y, np.ndarray), "Complex scalar did not match")
 
     x = True
-    assert_true(unpack(pack(x)) is True, "Native bool did not match")
+    assert_true(unpack(pack(x)) is True, "Scalar bool did not match")
 
     x = [None]
     assert_list_equal(x, unpack(pack(x)))
 
     x = {'name': 'Anonymous', 'age': 15, 99: datetime.now(), 'range': [110, 190], (11, 12): None}
     y = unpack(pack(x))
     assert_dict_equal(x, y, "Dict do not match!")
-    assert_false(isinstance(['range'][0], np.ndarray), "Python-native scalars did not match.")
+    assert_false(isinstance(['range'][0], np.ndarray), "Scalar int was coerced into arrray.")
 
     x = uuid.uuid4()
     assert_equal(x, unpack(pack(x)), 'UUID did not match')