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Change the profile timer units back to nanoseconds and update the

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sqlite3_profile() documentation.
Ticket [c43940c49b74c70a69]

FossilOrigin-Name: 7783b98a938b77d6b8e4e85b32b05452c47fbe4b
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drh
2010-07-29 10:07:21 +00:00
parent 6cbda64d07
commit df0db0feb5
4 changed files with 19 additions and 13 deletions
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8
src/sqlite.h.in
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@@ -2171,7 +2171,13 @@ int sqlite3_set_authorizer(
** ^The callback function registered by sqlite3_profile() is invoked
** as each SQL statement finishes. ^The profile callback contains
** the original statement text and an estimate of wall-clock time
** of how long that statement took to run.
** of how long that statement took to run. ^The profile callback
** time is in units of nanoseconds, however the current implementation
** is only capable of millisecond resolution so the six least significant
** digits in the time are meaningless. Future versions of SQLite
** might provide greater resolution on the profiler callback. The
** sqlite3_profile() function is considered experimental and is
** subject to change in future versions of SQLite.
*/
void *sqlite3_trace(sqlite3*, void(*xTrace)(void*,const char*), void*);
SQLITE_EXPERIMENTAL void *sqlite3_profile(sqlite3*,