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Increase resolution of time-of-day on unix. Add an experimental

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sqlite3_profile() API. (CVS 2639)

FossilOrigin-Name: ed2ca0873fa89d6cfd123541d5d1c6b92c72b6ab
This commit is contained in:
drh
2005-08-29 23:00:03 +00:00
parent b46b57745d
commit 19e2d37f1d
13 changed files with 497 additions and 294 deletions
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27
src/vdbeapi.c
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@@ -15,6 +15,7 @@
*/
#include "sqliteInt.h"
#include "vdbeInt.h"
#include "os.h"
/*
** Return TRUE (non-zero) of the statement supplied as an argument needs
@@ -173,9 +174,10 @@ int sqlite3_step(sqlite3_stmt *pStmt){
return SQLITE_MISUSE;
}
if( p->pc<0 ){
#ifndef SQLITE_OMIT_TRACE
/* Invoke the trace callback if there is one
*/
if( (db = p->db)->xTrace && !db->init.busy ){
if( db->xTrace && !db->init.busy ){
assert( p->nOp>0 );
assert( p->aOp[p->nOp-1].opcode==OP_Noop );
assert( p->aOp[p->nOp-1].p3!=0 );
@@ -187,6 +189,12 @@ int sqlite3_step(sqlite3_stmt *pStmt){
return SQLITE_MISUSE;
}
}
if( db->xProfile && !db->init.busy ){
double rNow;
sqlite3OsCurrentTime(&rNow);
p->startTime = (rNow - (int)rNow)*3600.0*24.0*1000000000.0;
}
#endif
/* Print a copy of SQL as it is executed if the SQL_TRACE pragma is turned
** on in debugging mode.
@@ -213,6 +221,23 @@ int sqlite3_step(sqlite3_stmt *pStmt){
rc = SQLITE_MISUSE;
}
#ifndef SQLITE_OMIT_TRACE
/* Invoke the profile callback if there is one
*/
if( rc!=SQLITE_ROW && db->xProfile && !db->init.busy ){
double rNow;
u64 elapseTime;
sqlite3OsCurrentTime(&rNow);
elapseTime = (rNow - (int)rNow)*3600.0*24.0*1000000000.0 - p->startTime;
assert( p->nOp>0 );
assert( p->aOp[p->nOp-1].opcode==OP_Noop );
assert( p->aOp[p->nOp-1].p3!=0 );
assert( p->aOp[p->nOp-1].p3type==P3_DYNAMIC );
db->xProfile(db->pProfileArg, p->aOp[p->nOp-1].p3, elapseTime);
}
#endif
sqlite3Error(p->db, rc, p->zErrMsg ? "%s" : 0, p->zErrMsg);
return rc;
}