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view tests/fixtures/filecase.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 | 3a9d6cd18332 |
| children |
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SVN-fs-dump-format-version: 2 UUID: 43703c40-3731-4eff-a4bd-16f771fbf860 Revision-number: 0 Prop-content-length: 56 Content-length: 56 K 8 svn:date V 27 2008-12-07T13:00:57.919880Z 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 2008-12-07T13:00:58.039069Z 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: 110 Content-length: 110 K 7 svn:log V 9 add files K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-07T13:00:59.209541Z PROPS-END Node-path: trunk/A Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: bf072e9119077b4e76437a93986787ef Content-length: 12 PROPS-END A Node-path: trunk/D Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: trunk/D/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 Node-path: trunk/F Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: d2a33790e5bf28b33cdbf61722a06989 Content-length: 12 PROPS-END F 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 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/d Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: trunk/d/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 Node-path: trunk/e Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: trunk/e/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 Node-path: trunk/f Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: trunk/f/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: 113 Content-length: 113 K 7 svn:log V 11 change case K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-07T13:01:03.159028Z PROPS-END Node-path: trunk/B Node-kind: file Node-action: add Node-copyfrom-rev: 2 Node-copyfrom-path: trunk/b Text-copy-source-md5: 3b5d5c3712955042212316173ccf37be Prop-content-length: 34 Content-length: 34 K 13 svn:mergeinfo V 0 PROPS-END Node-path: trunk/E Node-kind: dir Node-action: add Node-copyfrom-rev: 2 Node-copyfrom-path: trunk/e Prop-content-length: 34 Content-length: 34 K 13 svn:mergeinfo V 0 PROPS-END Node-path: trunk/d/A Node-kind: file Node-action: add Node-copyfrom-rev: 2 Node-copyfrom-path: trunk/d/a Text-copy-source-md5: 60b725f10c9c85c70d97880dfe8191b3 Prop-content-length: 34 Content-length: 34 K 13 svn:mergeinfo V 0 PROPS-END Node-path: trunk/d/a Node-action: delete Node-path: trunk/b Node-action: delete Node-path: trunk/e Node-action: delete