Hello,
the error below appears within the update iteration, if indexed=1 and
rows>4999.
Reason may be the chunksize code in IndexArray.py.
Is there anything wrong with the code, or is it not implemented
following the error message ?
Regards,
Bernd
------------------------------------------------
# error:
NotImplementedError: You are only allowed to update rows through the
Row.update() method if you are in the middle of a table iterator.
Traceback (innermost last):
File "c:\amdpython\scripts\datacrawler\update_test.py", line 1, in ?
import sys, os
File "c:\amdpython\scripts\datacrawler\update_test.py", line 37, in ?
row.update()
File "C:\Python24\Lib\site-packages\tables\TableExtension.pyd", line
1161, in TableExtension.Row.update
------------------------------------------------
# code:
file = "c:/temp/update_test.h5"
dims = (2,2,2)
indexed = 1
rows = 5000
class Item(IsDescription):
name = StringCol(16, indexed=indexed) # 16-character String
vals = Float32Col(0.0, shape=(dims))
# write
h5 = openFile(file, mode = "w")
group = h5.createGroup("/", 'igroup')
table = h5.createTable(group, "items", Item, "Item",
Filters(complevel=9, complib='zlib'))
row = table.row
for i in xrange(rows):
row['name'] = "x%d" % (i)
row['vals'] = ones(dims)
row.append()
table.flush()
h5.close()
# update
h5 = openFile(file, mode = "a")
table = h5.root.igroup.items
for row in table:
buf = row['vals']
buf[0] = 2.2
row['vals'] = buf
row.update()
h5.close()
-------------------------------------------------------------------------
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