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view tests/fixtures/unorderedbranch.svndump @ 1475:ea4d6142c6d9
maps: do not ask sqlite for row count
"SELECT COUNT(1) FROM x" is not O(1) for sqlite and can be slow on large
tables. This patch changes the count to be backed by a file instead.
The change exposes a risk that the number may become inaccurate, if
__setitem__ is called with a same key multiple times. But we don't do that
during pull, and only use __len__ to calculate how many revisions pulled,
or test if the map is empty. So it would be fine.
| author | Jun Wu <quark@fb.com> |
|---|---|
| date | Thu, 23 Jun 2016 10:46:07 +0100 |
| parents | 4d42dbbb5127 |
| children |
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SVN-fs-dump-format-version: 2 UUID: 0f1e934c-2a07-4fc9-acf5-47264bd6bc41 Revision-number: 0 Prop-content-length: 56 Content-length: 56 K 8 svn:date V 27 2008-12-06T16:48:56.303240Z PROPS-END Revision-number: 1 Prop-content-length: 114 Content-length: 114 K 7 svn:log V 12 init project K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T16:48:56.429957Z PROPS-END Node-path: branches Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: trunk Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Revision-number: 2 Prop-content-length: 116 Content-length: 116 K 7 svn:log V 14 add a in trunk K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T16:48:57.178238Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 60b725f10c9c85c70d97880dfe8191b3 Content-length: 12 PROPS-END a Revision-number: 3 Prop-content-length: 122 Content-length: 122 K 7 svn:log V 20 add b and z in trunk K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T16:48:58.191379Z PROPS-END Node-path: trunk/b Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 3b5d5c3712955042212316173ccf37be Content-length: 12 PROPS-END b Node-path: trunk/z Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: a8a78d0ff555c931f045b6f448129846 Content-length: 12 PROPS-END z Revision-number: 4 Prop-content-length: 118 Content-length: 118 K 7 svn:log V 16 branch and add c K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T16:49:02.185634Z PROPS-END Node-path: branches/branch Node-kind: dir Node-action: add Node-copyfrom-rev: 2 Node-copyfrom-path: trunk Node-path: branches/branch/c Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 2cd6ee2c70b0bde53fbe6cac3c8b8bb1 Content-length: 12 PROPS-END c Node-path: branches/branch/z Node-kind: file Node-action: add Node-copyfrom-rev: 3 Node-copyfrom-path: trunk/z Text-copy-source-md5: a8a78d0ff555c931f045b6f448129846 Prop-content-length: 34 Content-length: 34 K 13 svn:mergeinfo V 0 PROPS-END