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Overview
Comment:Remove an unnecessary setting of the Mem.enc field for the output of the OP_Record opcode, for a performance improvement and size reduction.
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SHA3-256: e6e36b288fdf21b7ff7f0bf85d2225b6505f54367b183c302c93c34a4a40b8b5
User & Date: drh 2017-04-01 20:44:26.383
References
2018-06-11
11:14 • New ticket [c2432ef908] Assertion fault due to column cache malfunction. (artifact: de9d04b2b3 user: drh)
Context
2017-04-03
12:04
Slightly smaller and faster implementation for vdbeSorterCompareInt(). (check-in: 84fa069c5b user: drh tags: trunk)
2017-04-01
20:44
Remove an unnecessary setting of the Mem.enc field for the output of the OP_Record opcode, for a performance improvement and size reduction. (check-in: e6e36b288f user: drh tags: trunk)
20:14
Minor performance enhancements to the OP_Affinity opcode. (check-in: c45cd3b947 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/vdbe.c.
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  assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) );
  pOut->n = (int)nByte;
  pOut->flags = MEM_Blob;
  if( nZero ){
    pOut->u.nZero = nZero;
    pOut->flags |= MEM_Zero;
  }
  pOut->enc = SQLITE_UTF8;  /* In case the blob is ever converted to text */
  REGISTER_TRACE(pOp->p3, pOut);
  UPDATE_MAX_BLOBSIZE(pOut);
  break;
}

/* Opcode: Count P1 P2 * * *
** Synopsis: r[P2]=count()








<








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  assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) );
  pOut->n = (int)nByte;
  pOut->flags = MEM_Blob;
  if( nZero ){
    pOut->u.nZero = nZero;
    pOut->flags |= MEM_Zero;
  }

  REGISTER_TRACE(pOp->p3, pOut);
  UPDATE_MAX_BLOBSIZE(pOut);
  break;
}

/* Opcode: Count P1 P2 * * *
** Synopsis: r[P2]=count()
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