Merge pull request #240 from dimitri-yatsenko/master

bugfix in reading fields of type double.

Author: fabiansinz

CHANGELOG.md

@@ -27,3 +27,7 @@
 * `insert(..., skip_duplicates=True)` now relies on `SELECT IGNORE`.  Previously it explicitly checked if tuple already exists.
 * table previews now include blob attributes displaying the string <BLOB>
 
+### 0.3.8  -- August 2, 2016
+* added the `_update` method in `base_relation`. It allows updating values in existing tuples.
+* bugfix in reading values of type double.  Previously it was cast as float32. 
+

datajoint/__init__.py

@@ -16,8 +16,8 @@
 import os
 
 __author__ = "Dimitri Yatsenko, Edgar Walker, and Fabian Sinz at Baylor College of Medicine"
-__version__ = "0.3.7"
-__date__ = "July 31, 2016"
+__version__ = "0.3.8"
+__date__ = "August 2, 2016"
 __all__ = ['__author__', '__version__',
            'config', 'conn', 'kill', 'BaseRelation',
            'Connection', 'Heading', 'FreeRelation', 'Not', 'schema',

datajoint/heading.py

@@ -154,7 +154,7 @@ def init_from_database(self, conn, database, table_name):
         numeric_types = {
             ('float', False): np.float32,
             ('float', True): np.float32,
-            ('double', False): np.float32,
+            ('double', False): np.float64,
             ('double', True): np.float64,
             ('tinyint', False): np.int8,
             ('tinyint', True): np.uint8,

datajoint/relational_operand.py

@@ -87,12 +87,12 @@ def __init__(self, arg=None):
             self._distinct = arg.distinct
 
     @classmethod
-    def create(cls):
+    def create(cls):  # pragma: no cover
         """abstract method for creating an instance"""
         assert False, "Abstract method `create` must be overridden in subclass."
 
     @property
-    def select_fields(self):
+    def select_fields(self):  # pragma: no cover
         """abstract property: a string specifying the field list in SQL queries"""
         assert False, "Abstract property `select_fields` must be overridden in subclass."
 

datajoint/schema.py

@@ -80,7 +80,7 @@ def spawn_missing_classes(self):
             try:
                 master_class = self.context[to_camel_case(groups['master'])]
             except KeyError:
-                raise DataJointError('The tabled %s does not follow DataJoint naming conventions' % table_name)
+                raise DataJointError('The table %s does not follow DataJoint naming conventions' % table_name)
             part_class = type(class_name, (Part,), dict(definition=...))
             part_class._master = master_class
             self.process_relation_class(part_class, context=self.context, assert_declared=True)