SQLite

  UPDATE_MAX_BLOBSIZE(pIn1);
  if( rc ) goto abort_due_to_error;
  break;
}
#endif /* SQLITE_OMIT_CAST */

/* Opcode: Lt P1 P2 P3 P4 P5
** Synopsis: IF r[P3]<r[P1]
**
** Compare the values in register P1 and P3.  If reg(P3)<reg(P1) then
** jump to address P2.  
**
** If the SQLITE_JUMPIFNULL bit of P5 is set and either reg(P1) or
** reg(P3) is NULL then take the jump.  If the SQLITE_JUMPIFNULL 
** bit is clear then fall through if either operand is NULL.

** store a boolean result (either 0, or 1, or NULL) in register P2.
**
** If the SQLITE_NULLEQ bit is set in P5, then NULL values are considered
** equal to one another, provided that they do not have their MEM_Cleared
** bit set.
*/
/* Opcode: Ne P1 P2 P3 P4 P5
** Synopsis: IF r[P3]!=r[P1]
**
** This works just like the Lt opcode except that the jump is taken if
** the operands in registers P1 and P3 are not equal.  See the Lt opcode for
** additional information.
**
** If SQLITE_NULLEQ is set in P5 then the result of comparison is always either
** true or false and is never NULL.  If both operands are NULL then the result
** of comparison is false.  If either operand is NULL then the result is true.
** If neither operand is NULL the result is the same as it would be if
** the SQLITE_NULLEQ flag were omitted from P5.
*/
/* Opcode: Eq P1 P2 P3 P4 P5
** Synopsis: IF r[P3]==r[P1]
**
** This works just like the Lt opcode except that the jump is taken if
** the operands in registers P1 and P3 are equal.
** See the Lt opcode for additional information.
**
** If SQLITE_NULLEQ is set in P5 then the result of comparison is always either
** true or false and is never NULL.  If both operands are NULL then the result
** of comparison is true.  If either operand is NULL then the result is false.
** If neither operand is NULL the result is the same as it would be if
** the SQLITE_NULLEQ flag were omitted from P5.
*/
/* Opcode: Le P1 P2 P3 P4 P5
** Synopsis: IF r[P3]<=r[P1]
**
** This works just like the Lt opcode except that the jump is taken if
** the content of register P3 is less than or equal to the content of
** register P1.  See the Lt opcode for additional information.
*/
/* Opcode: Gt P1 P2 P3 P4 P5
** Synopsis: IF r[P3]>r[P1]
**
** This works just like the Lt opcode except that the jump is taken if
** the content of register P3 is greater than the content of
** register P1.  See the Lt opcode for additional information.
*/
/* Opcode: Ge P1 P2 P3 P4 P5
** Synopsis: IF r[P3]>=r[P1]
**
** This works just like the Lt opcode except that the jump is taken if
** the content of register P3 is greater than or equal to the content of
** register P1.  See the Lt opcode for additional information.
*/
case OP_Eq:               /* same as TK_EQ, jump, in1, in3 */
case OP_Ne:               /* same as TK_NE, jump, in1, in3 */

  char *zTemp,       /* Write result here */
  int nTemp          /* Space available in zTemp[] */
){
  const char *zOpName;
  const char *zSynopsis;
  int nOpName;
  int ii, jj;
  char zAlt[50];
  zOpName = sqlite3OpcodeName(pOp->opcode);
  nOpName = sqlite3Strlen30(zOpName);
  if( zOpName[nOpName+1] ){
    int seenCom = 0;
    char c;
    zSynopsis = zOpName += nOpName + 1;
    if( strncmp(zSynopsis,"IF ",3)==0 ){
      if( pOp->p5 & SQLITE_STOREP2 ){
        sqlite3_snprintf(sizeof(zAlt), zAlt, "r[P2] = (%s)", zSynopsis+3);
      }else{
        sqlite3_snprintf(sizeof(zAlt), zAlt, "if %s goto P2", zSynopsis+3);
      }
      zSynopsis = zAlt;
    }
    for(ii=jj=0; jj<nTemp-1 && (c = zSynopsis[ii])!=0; ii++){
      if( c=='P' ){
        c = zSynopsis[++ii];
        if( c=='4' ){
          sqlite3_snprintf(nTemp-jj, zTemp+jj, "%s", zP4);
        }else if( c=='X' ){
          sqlite3_snprintf(nTemp-jj, zTemp+jj, "%s", pOp->zComment);