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Show the text of individual statements within a trigger, as they

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execute, as comments in the output from sqlite3_trace() and sqlite3_trace_v2().

FossilOrigin-Name: fe3d2b97d8945e6a9636472f77bcdc92cc5dda8b3e6e3a4fcbdd0a212ea5b9aa
This commit is contained in:
drh
2017-12-27 20:38:35 +00:00
parent 9b2e0435d2
commit f259df5fc8
7 changed files with 84 additions and 39 deletions
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14
src/vdbe.c
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@@ -7016,7 +7016,13 @@ case OP_Function: {
break;
}
/* Opcode: Trace P1 P2 * P4 *
**
** Write P4 on the statement trace output if statement tracing is
** enabled.
**
** Operand P1 must be 0x7fffffff and P2 must positive.
*/
/* Opcode: Init P1 P2 P3 P4 *
** Synopsis: Start at P2
**
@@ -7035,6 +7041,7 @@ case OP_Function: {
** If P3 is not zero, then it is an address to jump to if an SQLITE_CORRUPT
** error is encountered.
*/
case OP_Trace:
case OP_Init: { /* jump */
char *zTrace;
int i;
@@ -7049,7 +7056,9 @@ case OP_Init: { /* jump */
** sqlite3_expanded_sql(P) otherwise.
*/
assert( pOp->p4.z==0 || strncmp(pOp->p4.z, "-" "- ", 3)==0 );
assert( pOp==p->aOp ); /* Always instruction 0 */
/* OP_Init is always instruction 0 */
assert( pOp==p->aOp || pOp->opcode==OP_Trace );
#ifndef SQLITE_OMIT_TRACE
if( (db->mTrace & (SQLITE_TRACE_STMT|SQLITE_TRACE_LEGACY))!=0
@@ -7092,6 +7101,7 @@ case OP_Init: { /* jump */
#endif /* SQLITE_OMIT_TRACE */
assert( pOp->p2>0 );
if( pOp->p1>=sqlite3GlobalConfig.iOnceResetThreshold ){
if( pOp->opcode==OP_Trace ) break;
for(i=1; i<p->nOp; i++){
if( p->aOp[i].opcode==OP_Once ) p->aOp[i].p1 = 0;
}