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Additional I/O Tracing support. (CVS 3667)

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FossilOrigin-Name: ed915f579a8e5b75681a9a6012b5041500cad36c
This commit is contained in:
drh
2007-03-01 00:29:13 +00:00
parent f075cd087b
commit 602c237461
6 changed files with 48 additions and 13 deletions
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31
src/vdbeaux.c
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@@ -774,6 +774,37 @@ void sqlite3VdbePrintSql(Vdbe *p){
#endif
}
#if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
/*
** Print an IOTRACE message showing SQL content.
*/
void sqlite3VdbeIOTraceSql(Vdbe *p){
int nOp = p->nOp;
VdbeOp *pOp;
if( sqlite3_io_trace==0 ) return;
if( nOp<1 ) return;
pOp = &p->aOp[nOp-1];
if( pOp->opcode==OP_Noop && pOp->p3!=0 ){
char *z = sqlite3StrDup(pOp->p3);
int i, j;
for(i=0; isspace(z[i]); i++){}
for(j=0; z[i]; i++){
if( isspace(z[i]) ){
if( z[i-1]!=' ' ){
z[j++] = ' ';
}
}else{
z[j++] = z[i];
}
}
z[j] = 0;
sqlite3_io_trace("SQL %s\n", z);
sqliteFree(z);
}
}
#endif /* !SQLITE_OMIT_TRACE && SQLITE_ENABLE_IOTRACE */
/*
** Prepare a virtual machine for execution. This involves things such
** as allocating stack space and initializing the program counter.