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Fix the Synopsis on OP_Concat. Added test_addop_breakpoint() during

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SQLITE_DEBUG.  Enhanced sqlite3VdbeChangeToNoop() to omit the instruction
if it is the most recent added.  Continue to fix problems with UPDATE
and WITHOUT ROWID.

FossilOrigin-Name: 9b6d9e106aaa3c2efb33d234d26cf08cd3c967b9
This commit is contained in:
drh
2013-10-31 20:34:06 +00:00
parent ee0ec8e1db
commit 313619f572
7 changed files with 58 additions and 36 deletions
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13
src/vdbeaux.c
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@@ -107,6 +107,17 @@ static int growOpArray(Vdbe *p){
return (pNew ? SQLITE_OK : SQLITE_NOMEM);
}
#ifdef SQLITE_DEBUG
/* This routine is just a convenient place to set a breakpoint that will
** fire after each opcode is inserted and displayed using
** "PRAGMA vdbe_addoptrace=on".
*/
static void test_addop_breakpoint(void){
static int n = 0;
n++;
}
#endif
/*
** Add a new instruction to the list of instructions current in the
** VDBE. Return the address of the new instruction.
@@ -150,6 +161,7 @@ int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){
#ifdef SQLITE_DEBUG
if( p->db->flags & SQLITE_VdbeAddopTrace ){
sqlite3VdbePrintOp(0, i, &p->aOp[i]);
test_addop_breakpoint();
}
#endif
#ifdef VDBE_PROFILE
@@ -695,6 +707,7 @@ void sqlite3VdbeChangeToNoop(Vdbe *p, int addr){
freeP4(db, pOp->p4type, pOp->p4.p);
memset(pOp, 0, sizeof(pOp[0]));
pOp->opcode = OP_Noop;
if( addr==p->nOp-1 ) p->nOp--;
}
}