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| author | drh <> | 2022-03-07 01:29:36 +0000 |
|---|---|---|
| committer | drh <> | 2022-03-07 01:29:36 +0000 |
| commit | c5a55db75d92aeefbbf368c72f6df2aab180aea4 (patch) | |
| tree | bd4384f6352751e6289acfef4b7eb88c7fae8f01 /src/wherecode.c | |
| parent | 41f46703b84b12c3d67e053687a9967aa8048cb9 (diff) | |
| download | sqlite-c5a55db75d92aeefbbf368c72f6df2aab180aea4.tar.gz sqlite-c5a55db75d92aeefbbf368c72f6df2aab180aea4.zip | |
Optimizations to sqlite3BtreeIndexMoveto() avoid unnecessary comparisons if
the cursor is already near the end of the table and is not moving far. This
case is more common that you would expect. The optimization saves almost
4 million CPU cycles.
FossilOrigin-Name: 0057bbb508e7662b0da19e981c07ef10236cb616bda952745de3aa2d1c286289
Diffstat (limited to 'src/wherecode.c')
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