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The callback on sqlite3_trace() is invoked the first time sqlite3_step()

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is called after sqlite3_prepare() or sqlite3_reset().  Ticket #900. (CVS 1960)

FossilOrigin-Name: 0cc2f40e6afa157ead45140c4e28a9a33c469b73
This commit is contained in:
drh
2004-09-15 13:38:10 +00:00
parent fd241b0ea4
commit c16a03b54b
8 changed files with 86 additions and 63 deletions
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24
src/vdbeapi.c
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@@ -150,6 +150,30 @@ int sqlite3_step(sqlite3_stmt *pStmt){
return SQLITE_MISUSE;
}
if( p->pc<0 ){
/* Invoke the trace callback if there is one
*/
if( (db = p->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 );
assert( p->aOp[p->nOp-1].p3type==P3_DYNAMIC );
sqlite3SafetyOff(db);
db->xTrace(db->pTraceArg, p->aOp[p->nOp-1].p3);
if( sqlite3SafetyOn(db) ){
p->rc = SQLITE_MISUSE;
return SQLITE_MISUSE;
}
}
/* Print a copy of SQL as it is executed if the SQL_TRACE pragma is turned
** on in debugging mode.
*/
#ifdef SQLITE_DEBUG
if( (db->flags & SQLITE_SqlTrace)!=0 ){
sqlite3DebugPrintf("SQL-trace: %s\n", p->aOp[p->nOp-1].p3);
}
#endif /* SQLITE_DEBUG */
db->activeVdbeCnt++;
p->pc = 0;
}