[WIP] try except for reading 32 bit values

Author: A-Baji

datajoint/blob.py

@@ -104,7 +104,11 @@ def unpack(self, blob):
             self._pos = 0
         blob_format = self.read_zero_terminated_string()
         if blob_format in ('mYm', 'dj0'):
-            return self.read_blob(n_bytes=len(self._blob) - self._pos)
+            try:
+                return self.read_blob(n_bytes=len(self._blob) - self._pos)
+            except:
+                self.is_32_bit = True
+                return self.read_blob(n_bytes=len(self._blob) - self._pos)
 
     def read_blob(self, n_bytes=None):
         start = self._pos

tests/test_blob.py

@@ -134,9 +134,11 @@ def test_complex():
 
 
 def test_insert_longblob():
-    # schema.Testmym.insert1({'id': 1, 'data': [1,2,3,4,5,6]})
+    import numpy as np
+    # schema.Testmym.insert1({'id': 1, 'data': np.recarray(np.array([[(np.array([[np.nan,  1.,  1.,  0.,  1.,  0., np.nan]]), np.array(['llllrrl'], dtype='<U7'), np.array(['ddddddd'], dtype='<U7'), np.array(['Stage 10'], dtype='<U8'))]]), dtype=[('hits', 'O'), ('sides', 'O'), ('tasks', 'O'), ('stage', 'O')])})
     dj.conn().query("INSERT INTO djtest_test1.testmym (id, data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fetchall()
     # dj.conn().query("INSERT INTO djtest_test1.testmym (id, data) VALUES (1, X'646A300002060000000000000004000000000000000A01000104000000000000000A01000204000000000000000A01000304000000000000000A01000404000000000000000A01000504000000000000000A010006')").fetchall()
     print('\n',dj.conn().query("SELECT hex(data) FROM djtest_test1.testmym").fetchall())
     print((schema.Testmym & 'id=1').fetch1())
+    schema.Testmym.drop()
     assert True