Bugs item #2989601, was opened at 2010-04-19 17:50
Message generated for change (Settings changed) made by matburt
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Category: None
Group: Clients "stable"
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Matthew W. Jones (matburt)
Assigned to: Nobody/Anonymous (nobody)
>Summary: Python Error "length of row doesn't match header"
Initial Comment:
When connecting to a remote Monet instance with the python client and setting
the cursor's arraysize to something significant (100, as an example) then I
will occasionally get the following error:
Traceback (most recent call last):
File "afile.py", line 9, in <module>
cur.execute("SELECT max(val), otherval"
File "build/bdist.linux-x86_64/egg/monetdb/sql/cursors.py", line 203, in
execute
File "build/bdist.linux-x86_64/egg/monetdb/sql/cursors.py", line 445, in
__store_result
File "build/bdist.linux-x86_64/egg/monetdb/sql/cursors.py", line 529, in
__parse_tuple
File "build/bdist.linux-x86_64/egg/monetdb/sql/cursors.py", line 569, in
__exception_handler
monetdb.monetdb_exceptions.InterfaceError: length of row doesn't match header
This doesn't happen when the client is used locally on the machine running the
database.
It prevents the .arraysize cursor property from being used remotely. It's
default value is 1, which causes the server to take a ridiculously long time to
send back large data sets.
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