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Overview
| Comment: | Simplify the estLog() routine. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 6c68d758bce3752f044752404a76bf3b |
| User & Date: | drh 2014-06-12 15:46:46 |
Context
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2014-06-12
| ||
| 17:10 | Increase the WAL-mode SQLITE_PROTOCOL timeout to 10 seconds. check-in: 2aeacf81 user: drh tags: trunk | |
| 15:46 | Simplify the estLog() routine. check-in: 6c68d758 user: drh tags: trunk | |
|
2014-06-09
| ||
| 20:39 | Avoid an unnecessary initialization of the szFile field of unixFile in the unix VFS. check-in: 6484fb5a user: drh tags: trunk | |
Changes
Changes to src/where.c.
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}
/*
** Estimate the logarithm of the input value to base 2.
*/
static LogEst estLog(LogEst N){
LogEst x = N<0 ? 1 : sqlite3LogEst(N);
return x>33 ? x - 33 : 0;
}
/*
** Two routines for printing the content of an sqlite3_index_info
** structure. Used for testing and debugging only. If neither
** SQLITE_TEST or SQLITE_DEBUG are defined, then these routines
** are no-ops.
|
| < |
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}
/*
** Estimate the logarithm of the input value to base 2.
*/
static LogEst estLog(LogEst N){
return N<=10 ? 0 : sqlite3LogEst(N) - 33;
}
/*
** Two routines for printing the content of an sqlite3_index_info
** structure. Used for testing and debugging only. If neither
** SQLITE_TEST or SQLITE_DEBUG are defined, then these routines
** are no-ops.
|