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Performance improvement in sqlite3_step() by creating a new mTrace flag

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for the legacy xProfile pointer that is set by sqlite3_profile().

FossilOrigin-Name: e28584e8bc7b7405380064b60523fa6191f827f74075f6d117eb7732d752ba5e
This commit is contained in:
drh
2018-12-04 14:33:02 +00:00
parent b7de827137
commit 04c6747a80
5 changed files with 26 additions and 13 deletions
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9
src/sqliteInt.h
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@@ -1356,10 +1356,13 @@ void sqlite3CryptFunc(sqlite3_context*,int,sqlite3_value**);
/* This is an extra SQLITE_TRACE macro that indicates "legacy" tracing
** in the style of sqlite3_trace()
*/
#define SQLITE_TRACE_LEGACY 0x80
#define SQLITE_TRACE_LEGACY 0x40 /* Use the legacy xTrace */
#define SQLITE_TRACE_XPROFILE 0x80 /* Use the legacy xProfile */
#else
#define SQLITE_TRACE_LEGACY 0
#define SQLITE_TRACE_LEGACY 0
#define SQLITE_TRACE_XPROFILE 0
#endif /* SQLITE_OMIT_DEPRECATED */
#define SQLITE_TRACE_NONLEGACY_MASK 0x0f /* Normal flags */
/*
@@ -1418,8 +1421,10 @@ struct sqlite3 {
void **aExtension; /* Array of shared library handles */
int (*xTrace)(u32,void*,void*,void*); /* Trace function */
void *pTraceArg; /* Argument to the trace function */
#ifndef SQLITE_OMIT_DEPRECATED
void (*xProfile)(void*,const char*,u64); /* Profiling function */
void *pProfileArg; /* Argument to profile function */
#endif
void *pCommitArg; /* Argument to xCommitCallback() */
int (*xCommitCallback)(void*); /* Invoked at every commit. */
void *pRollbackArg; /* Argument to xRollbackCallback() */