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mirror of https://github.com/sqlite/sqlite.git synced 2025-08-07 02:42:48 +03:00

Merge trunk changes, including the addition of FTS5 and pcache1 performance

enhancements.

FossilOrigin-Name: db4cbefb8674c6cfff27c1e918741de1885c845c
This commit is contained in:
drh
2015-07-14 15:39:22 +00:00
48 changed files with 1418 additions and 500 deletions

View File

@@ -53,6 +53,31 @@ static int vdbeSafetyNotNull(Vdbe *p){
}
}
#ifndef SQLITE_OMIT_TRACE
/*
** Invoke the profile callback. This routine is only called if we already
** know that the profile callback is defined and needs to be invoked.
*/
static SQLITE_NOINLINE void invokeProfileCallback(sqlite3 *db, Vdbe *p){
sqlite3_int64 iNow;
assert( p->startTime>0 );
assert( db->xProfile!=0 );
assert( db->init.busy==0 );
assert( p->zSql!=0 );
sqlite3OsCurrentTimeInt64(db->pVfs, &iNow);
db->xProfile(db->pProfileArg, p->zSql, (iNow - p->startTime)*1000000);
p->startTime = 0;
}
/*
** The checkProfileCallback(DB,P) macro checks to see if a profile callback
** is needed, and it invokes the callback if it is needed.
*/
# define checkProfileCallback(DB,P) \
if( ((P)->startTime)>0 ){ invokeProfileCallback(DB,P); }
#else
# define checkProfileCallback(DB,P) /*no-op*/
#endif
/*
** The following routine destroys a virtual machine that is created by
** the sqlite3_compile() routine. The integer returned is an SQLITE_
@@ -73,6 +98,7 @@ int sqlite3_finalize(sqlite3_stmt *pStmt){
sqlite3 *db = v->db;
if( vdbeSafety(v) ) return SQLITE_MISUSE_BKPT;
sqlite3_mutex_enter(db->mutex);
checkProfileCallback(db, v);
rc = sqlite3VdbeFinalize(v);
rc = sqlite3ApiExit(db, rc);
sqlite3LeaveMutexAndCloseZombie(db);
@@ -94,12 +120,14 @@ int sqlite3_reset(sqlite3_stmt *pStmt){
rc = SQLITE_OK;
}else{
Vdbe *v = (Vdbe*)pStmt;
sqlite3_mutex_enter(v->db->mutex);
sqlite3 *db = v->db;
sqlite3_mutex_enter(db->mutex);
checkProfileCallback(db, v);
rc = sqlite3VdbeReset(v);
sqlite3VdbeRewind(v);
assert( (rc & (v->db->errMask))==rc );
rc = sqlite3ApiExit(v->db, rc);
sqlite3_mutex_leave(v->db->mutex);
assert( (rc & (db->errMask))==rc );
rc = sqlite3ApiExit(db, rc);
sqlite3_mutex_leave(db->mutex);
}
return rc;
}
@@ -450,6 +478,7 @@ static int doWalCallbacks(sqlite3 *db){
return rc;
}
/*
** Execute the statement pStmt, either until a row of data is ready, the
** statement is completely executed or an error occurs.
@@ -518,8 +547,10 @@ static int sqlite3Step(Vdbe *p){
);
#ifndef SQLITE_OMIT_TRACE
if( db->xProfile && !db->init.busy ){
if( db->xProfile && !db->init.busy && p->zSql ){
sqlite3OsCurrentTimeInt64(db->pVfs, &p->startTime);
}else{
assert( p->startTime==0 );
}
#endif
@@ -543,13 +574,8 @@ static int sqlite3Step(Vdbe *p){
}
#ifndef SQLITE_OMIT_TRACE
/* Invoke the profile callback if there is one
*/
if( rc!=SQLITE_ROW && db->xProfile && !db->init.busy && p->zSql ){
sqlite3_int64 iNow;
sqlite3OsCurrentTimeInt64(db->pVfs, &iNow);
db->xProfile(db->pProfileArg, p->zSql, (iNow - p->startTime)*1000000);
}
/* If the statement completed successfully, invoke the profile callback */
if( rc!=SQLITE_ROW ) checkProfileCallback(db, p);
#endif
if( rc==SQLITE_DONE ){