HI
I am downloading emails and inserting their attachments into a postgres 
database.

db.define_table('e_attachment',
    Field('e_mail_id','reference e_mail',required=True),
    Field('e_file_name','string', length=SHORT_STRING),
    Field('e_file_pt','upload',uploadfield='e_file'),
    Field('e_file', 'blob') )

This works.
Mostly.
But sometimes the database seems to seize up and for some reason a new 
record cannot be inserted.
Even for something simple like:
db.define_table('errors',
    Field('description','text',length = 1024))

The error originates with a blob insertion of a microsoft office file of 
about 1.1M in length.

try:
    db.e_attachment.insert(...)
except:
    error_msg="..."
    db.errors.insert(error_msg)

Even trying to insert into the errors table produces an error.
The traceback for both insertions look like this:

  File "/home/www-data/web2py/gluon/packages/dal/pydal/objects.py", line 
734, in insert
    ret = self._db._adapter.insert(self, row.op_values())
  File "/home/www-data/web2py/gluon/packages/dal/pydal/adapters/base.py", 
line 486, in insert
    raise e
InternalError: current transaction is aborted, commands ignored until end 
of transaction block

Has anyone experienced this too?

P.S.   Version is
2.15.3-stable+timestamp.2017.08.07.07.32.04
(Running on nginx/1.10.3, Python 2.7.12)

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