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Comment:Remove an ALWAYS() macro that can in fact sometimes be false. Forum post f0e872fcee.
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SHA3-256: d85880e4ed89e2198beea642818051f7a91a71fea9929be0a7ed0603b493ce47
User & Date: drh 2023-04-27 23:40:03
Context
2023-04-27
23:44
Remove a faulty assert() from the CLI. Forum post 726c4f7db0. (check-in: 4bbebb6b user: drh tags: trunk)
23:40
Remove an ALWAYS() macro that can in fact sometimes be false. Forum post f0e872fcee. (check-in: d85880e4 user: drh tags: trunk)
22:17
Fix compilation issues seen with older versions of MSVC. (check-in: 4ba2a651 user: mistachkin tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/vdbe.c.
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**
** If P1 is not an open cursor, then this opcode is a no-op.
*/
case OP_IfNullRow: {         /* jump */
  VdbeCursor *pC;
  assert( pOp->p1>=0 && pOp->p1<p->nCursor );
  pC = p->apCsr[pOp->p1];
  if( ALWAYS(pC) && pC->nullRow ){
    sqlite3VdbeMemSetNull(aMem + pOp->p3);
    goto jump_to_p2;
  }
  break;
}

#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC








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2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755

**
** If P1 is not an open cursor, then this opcode is a no-op.
*/
case OP_IfNullRow: {         /* jump */
  VdbeCursor *pC;
  assert( pOp->p1>=0 && pOp->p1<p->nCursor );
  pC = p->apCsr[pOp->p1];
  if( pC && pC->nullRow ){
    sqlite3VdbeMemSetNull(aMem + pOp->p3);
    goto jump_to_p2;
  }
  break;
}

#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC
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