Às 14:40 de 03/07/20, Carlos Correia escreveu:
Hi, I have this piece of code in a controller to test a distributed
transaction but it fails with: "ValueError: need more than 0 values to
unpack". def index():
response.flash = T("Hello World")
db0 = DAL('postgres://belmiro:naosei@localhost/ennos__blm_0139' )
db1 = DAL('postgres://belmiro:naosei@localhost/ennos__blm_0143' )
DAL.distributed_transaction_begin( db0, db1 )
db0.auth_event.insert(description='test tx 0' )
db1.auth_event.insert(description='test tx 1' )
DAL.distributed_transaction_commit( db0, db1 )
return dict(message=T('Welcome to web2py!'))
Stack trace:
File ".../web2py/applications/welcome/controllers/default.py"
<http://trane:8000/admin/default/edit/welcome/controllers/default.py>, line
12, in index DAL.distributed_transaction_begin( db0, db1 ) File
".../web2py/gluon/packages/dal/pydal/base.py", line 341, in
distributed_transaction_begin keys = ['%s.%i' % (thread_key, i) for (i, db) in
instances]
What I am doing wrong?
Hi,
It has a bug in gluon/packages/dal/pydal/base.py at lines 341 and 342, which
should be switched.
341 keys = ['%s.%i' % (thread_key, i) for (i, db) in instances]
342 instances = enumerate(instances)
should be:
341 instances = enumerate(instances)
342 keys = ['%s.%i' % (thread_key, i) for (i, db) in instances]
I switched the lines, tested, and it worked as expected.
Best regards,
Carlos Correia
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