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| From: | John Darrington |
| Subject: | PSPP-BUG: [bug #20910] GUI becomes extremely slow after executing syntax which doesn't read the data |
| Date: | Mon, 10 Sep 2007 01:58:02 +0000 |
| User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20060607 Debian/1.7.12-1.2 |
Follow-up Comment #3, bug #20910 (project pspp):
The principle is quite elegant IMO and it seems to work too.
Some ideas which might make the implementation more elegant:
0. Make lazy_casereader a class derived from casereader ...
1. ... this means that used_reader and owns_reader can be methods on
lazy_casereader which inspect and mutate the object respectively.
2. lazy_casereader need not contain a PsppireDataStore * --- it would be
sufficient to contain a struct datasheet *, which would mean that lazy
casereader could live in src/data where is belongs.
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