3
75%
master: 84%

Ran 10 Feb 2018 07:00PM UTC

Files 51

Run time 1s

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Committed 10 Feb 2018 06:56PM UTC coverage: 74.663%. First build

Job # 789.3

Build Type

push

travis-ci

Committed by

jimfulton

Commit Message

Don't seek on imports

(other than the possible seek for custom importers)

We were seeking to handle blob markers. This has two major drawbacks:

1. It wasn't possible to use a non-seekable file.  A use case for
   export/import is to copy database data.  An intermediate file, and
   associated I/O, could be avoided using a pipe, but pipes aren't
   seekable.

2. Seeks cause file-buffer data to be discarded, making IO far more
   expensive.

We didn't really need blob markers, because the preceeding blob data
records serve as markers.  (Now we're stuck with them for backward
compatibility.)

Run Details

6371 of 8533 relevant lines covered (74.66%)

0.75 hits per line

zopefoundation / ZODB / 789 / 3
75%
master: 84%

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zopefoundation / ZODB / 789 / 3 75% master: 84%

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zopefoundation / ZODB / 789 / 3
75%
master: 84%

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