/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#include <ndb_global.h>
#include <NdbOperation.hpp>
#include "NdbApiSignal.hpp"
#include <NdbTransaction.hpp>
#include <Ndb.hpp>
#include <NdbRecAttr.hpp>
#include "NdbUtil.hpp"
#include "Interpreter.hpp"
#include <NdbIndexScanOperation.hpp>
#include <signaldata/AttrInfo.hpp>

#ifdef VM_TRACE
#include <NdbEnv.h>
#define INT_DEBUG(x) \
  { const char* tmp = NdbEnv_GetEnv("INT_DEBUG", (char*)0, 0); \
  if (tmp != 0 && strlen(tmp) != 0) { ndbout << "INT:"; ndbout_c x; } }
#else
#define INT_DEBUG(x)
#endif

void
NdbOperation::initInterpreter(){
  theFirstLabel = NULL;
  theLastLabel = NULL;
  theFirstBranch = NULL;
  theLastBranch = NULL;
  
  theFirstCall = NULL;
  theLastCall = NULL;
  theFirstSubroutine = NULL;
  theLastSubroutine = NULL;
  
  theNoOfLabels = 0;
  theNoOfSubroutines = 0;
  
  theSubroutineSize = 0;
  theInitialReadSize = 0;
  theInterpretedSize = 0;
  theFinalUpdateSize = 0;
  theFinalReadSize = 0;
  theInterpretIndicator = 1;

  theTotalCurrAI_Len = AttrInfo::SectionSizeInfoLength;
}

bool
NdbOperation::isNdbRecordOperation()
{
  /* All scans are 'NdbRecord'.  For PK and UK access
   * check if we've got an m_attribute_record set 
   */
  return !(((m_type == PrimaryKeyAccess) ||
            (m_type == UniqueIndexAccess)) &&
           (m_attribute_record == NULL));
}

int
NdbOperation::incCheck(const NdbColumnImpl* tNdbColumnImpl)
{
  if (isNdbRecordOperation()) {
    /* Wrong API.  Use NdbInterpretedCode for NdbRecord operations */
    setErrorCodeAbort(4537);
    return -1;
  }

  if ((theInterpretIndicator == 1)) {
    if (tNdbColumnImpl == NULL)
      goto inc_check_error1;
    if ((tNdbColumnImpl->getInterpretableType() != true) ||
        (tNdbColumnImpl->m_pk != false) ||
        (tNdbColumnImpl->m_nullable))
      goto inc_check_error2;
    if (theStatus == ExecInterpretedValue) {
      ; // Simply continue with interpretation
    } else if (theStatus == GetValue) {
      theInitialReadSize = theTotalCurrAI_Len - AttrInfo::SectionSizeInfoLength;
      theStatus = ExecInterpretedValue;
    } else if (theStatus == SubroutineExec) {
      ; // Simply continue with interpretation
    } else {
      setErrorCodeAbort(4231);
      return -1;
    }
    m_no_disk_flag &= 
      (tNdbColumnImpl->m_storageType == NDB_STORAGETYPE_DISK ? 0:1);
    return tNdbColumnImpl->m_attrId;
  } else {
    if (theNdbCon->theCommitStatus == NdbTransaction::Started)
      setErrorCodeAbort(4200);
  }
  return -1;
  
 inc_check_error1:
  setErrorCodeAbort(4004);
  return -1;
  
 inc_check_error2:
  if (tNdbColumnImpl->m_pk){
    setErrorCodeAbort(4202);
    return -1;
  }//if
  if (!tNdbColumnImpl->getInterpretableType()){
    setErrorCodeAbort(4217);
    return -1;
  }//if
  if (tNdbColumnImpl->m_nullable){
    setErrorCodeAbort(4218);
    return -1;
  }//if
  setErrorCodeAbort(4219);
  return -1;
}

int
NdbOperation::write_attrCheck(const NdbColumnImpl* tNdbColumnImpl)
{
  if (isNdbRecordOperation()) {
    /* Wrong API.  Use NdbInterpretedCode for NdbRecord operations */
    setErrorCodeAbort(4537);
    return -1;
  }

  if ((theInterpretIndicator == 1)) {
    if (tNdbColumnImpl == NULL)
      goto write_attr_check_error1;
    if ((tNdbColumnImpl->getInterpretableType() == false) ||
        (tNdbColumnImpl->m_pk))
      goto write_attr_check_error2;
    if (theStatus == ExecInterpretedValue) {
      ; // Simply continue with interpretation
    } else if (theStatus == SubroutineExec) {
      ; // Simply continue with interpretation
    } else {
      setErrorCodeAbort(4231);
      return -1;
    }
    m_no_disk_flag &= 
      (tNdbColumnImpl->m_storageType == NDB_STORAGETYPE_DISK ? 0:1);
    return tNdbColumnImpl->m_attrId;
  } else {
    if (theNdbCon->theCommitStatus == NdbTransaction::Started)
      setErrorCodeAbort(4200);
  }
  return -1;

write_attr_check_error1:
  setErrorCodeAbort(4004);
  return -1;

write_attr_check_error2:
  if (tNdbColumnImpl->m_pk) {
    setErrorCodeAbort(4202);
    return -1;
  }//if
  if (tNdbColumnImpl->getInterpretableType() == false){
    setErrorCodeAbort(4217);
    return -1;
  }//if
  setErrorCodeAbort(4219);
  return -1;
}

int
NdbOperation::read_attrCheck(const NdbColumnImpl* tNdbColumnImpl)
{
  if (isNdbRecordOperation()) {
    /* Wrong API.  Use NdbInterpretedCode for NdbRecord operations */
    setErrorCodeAbort(4537);
    return -1;
  }

  if ((theInterpretIndicator == 1)) {
    if (tNdbColumnImpl == NULL)
      goto read_attr_check_error1;
    if (tNdbColumnImpl->getInterpretableType() == false)
      goto read_attr_check_error2;
    if (theStatus == ExecInterpretedValue) {
      ; // Simply continue with interpretation
    } else if (theStatus == GetValue) {
      theInitialReadSize = theTotalCurrAI_Len - AttrInfo::SectionSizeInfoLength;
      theStatus = ExecInterpretedValue;
    } else if (theStatus == SubroutineExec) {
      ; // Simply continue with interpretation
    } else {
      setErrorCodeAbort(4231);
      return -1;
    }
    m_no_disk_flag &= 
      (tNdbColumnImpl->m_storageType == NDB_STORAGETYPE_DISK ? 0:1);
    return tNdbColumnImpl->m_attrId;
  } else {
    if (theNdbCon->theCommitStatus == NdbTransaction::Started)
      setErrorCodeAbort(4200);
  }
  return -1;
  
 read_attr_check_error1:
  setErrorCodeAbort(4004);
  return -1;
  
 read_attr_check_error2:
  if (tNdbColumnImpl->getInterpretableType() == false)
    setErrorCodeAbort(4217);
  else
    setErrorCodeAbort(4219);
  return -1;

}

int
NdbOperation::initial_interpreterCheck()
{
  if (isNdbRecordOperation()) {
    /* Wrong API.  Use NdbInterpretedCode for NdbRecord operations */
    setErrorCodeAbort(4537);
    return -1;
  }

  if ((theInterpretIndicator == 1)) {
    if (theStatus == ExecInterpretedValue) {
      return 0; // Simply continue with interpretation
    } else if (theStatus == GetValue) {
      theInitialReadSize = theTotalCurrAI_Len - AttrInfo::SectionSizeInfoLength;
      theStatus = ExecInterpretedValue;
      return 0;
    } else if (theStatus == SubroutineExec) {
       return 0; // Simply continue with interpretation
    } else {
      setErrorCodeAbort(4231);
      return -1;
    }
    return 0;
  } else {
    if (theNdbCon->theCommitStatus == NdbTransaction::Started)
      setErrorCodeAbort(4200);
  }
  return -1;
}

int
NdbOperation::labelCheck()
{
  if (isNdbRecordOperation()) {
    /* Wrong API.  Use NdbInterpretedCode for NdbRecord operations */
    setErrorCodeAbort(4537);
    return -1;
  }

  if ((theInterpretIndicator == 1)) {
    if (theStatus == ExecInterpretedValue) {
      return 0; // Simply continue with interpretation
    } else if (theStatus == GetValue) {
      theInitialReadSize = theTotalCurrAI_Len - AttrInfo::SectionSizeInfoLength;
      theStatus = ExecInterpretedValue;
      return 0;
    } else if (theStatus == SubroutineExec) {
       return 0; // Simply continue with interpretation
    } else if (theStatus == SubroutineEnd) {
       theStatus = SubroutineExec;
    } else {
      setErrorCodeAbort(4231);
      return -1;
    }
    return 0;
  } else {
    if (theNdbCon->theCommitStatus == NdbTransaction::Started)
      setErrorCodeAbort(4200);
  }
  return -1;
}

int
NdbOperation::intermediate_interpreterCheck()
{
  if (isNdbRecordOperation()) {
    /* Wrong API.  Use NdbInterpretedCode for NdbRecord operations */
    setErrorCodeAbort(4537);
    return -1;
  }

  if ((theInterpretIndicator == 1)) {
    if (theStatus == ExecInterpretedValue) {
      return 0; // Simply continue with interpretation
    } else if (theStatus == SubroutineExec) {
       return 0; // Simply continue with interpretation
    } else {
      setErrorCodeAbort(4231);
      return -1;
    }
    return 0;
  } else {
    if (theNdbCon->theCommitStatus == NdbTransaction::Started)
      setErrorCodeAbort(4200);
  }
  return -1;
}

/*****************************************************************************
 * int incValue(const char* anAttrName, char* aValue, Uint32 aValue)
 *
 * Return Value:  Return 0 : incValue was succesful.
 *                Return -1: In all other case.   
 * Parameters:    anAttrName : Attribute name where the attribute value 
 *                             will be save.
 *                aValue : The constant to increment the attribute value with. 
 *****************************************************************************/
int
NdbOperation::incValue(const NdbColumnImpl* tNdbColumnImpl, Uint32 aValue)
{
  INT_DEBUG(("incValue32 %d %u", tNdbColumnImpl->m_attrId, aValue));
  int tAttrId;

  tAttrId = incCheck(tNdbColumnImpl);
  if (tAttrId == -1)
    goto incValue_error1;

// Load Attribute into register 6

  if (insertATTRINFO( Interpreter::Read(tAttrId, 6)) == -1)
    goto incValue_error1;
// Load aValue into register 7
  if (aValue < 65536)
  {
    if (insertATTRINFO(Interpreter::LoadConst16(7, aValue)) == -1)
      goto incValue_error1;
  } else {
    if (insertATTRINFO(Interpreter::LoadConst32(7)) == -1)
      goto incValue_error1;
    if (insertATTRINFO(aValue) == -1)
      goto incValue_error1;
  }
  // Add register 6 and 7 and put result in register 7

  if (insertATTRINFO( Interpreter::Add(7, 6, 7)) == -1)
    goto incValue_error1;
  if (insertATTRINFO( Interpreter::Write(tAttrId, 7)) == -1)
    goto incValue_error1;
  
  theErrorLine++;
  return 0;

incValue_error1:
  return -1;
}

/*****************************************************************************
 * int subValue(const char* anAttrName, char* aValue, Uint32 aValue)
 *
 * Return Value:   Return 0 : incValue was succesful.
 *                 Return -1: In all other case.   
 * Parameters:     anAttrName : Attribute name where the attribute value 
 *                              will be save.
 *                aValue : The constant to increment the attribute value with. 
******************************************************************************/
int
NdbOperation::subValue(const NdbColumnImpl* tNdbColumnImpl, Uint32 aValue)
{
  INT_DEBUG(("subValue32 %d %u", tNdbColumnImpl->m_attrId, aValue));
  int tAttrId;

  tAttrId = incCheck(tNdbColumnImpl);
  if (tAttrId == -1)
    goto subValue_error1;

// Load Attribute into register 6

  if (insertATTRINFO( Interpreter::Read(tAttrId, 6)) == -1)
    goto subValue_error1;
// Load aValue into register 7
  if (aValue < 65536)
  {
    if (insertATTRINFO( Interpreter::LoadConst16(7, aValue)) == -1)
      goto subValue_error1;
  } else {
    if (insertATTRINFO( Interpreter::LoadConst32(7)) == -1)
      goto subValue_error1;
    if (insertATTRINFO(aValue) == -1)
      goto subValue_error1;
  }
  // Subtract register 6 and 7 and put result in register 7
  
  if (insertATTRINFO( Interpreter::Sub(7, 6, 7)) == -1)
    goto subValue_error1;
  if (insertATTRINFO( Interpreter::Write(tAttrId, 7)) == -1)
    goto subValue_error1;
  
  theErrorLine++;
  return 0;
  
 subValue_error1:
  return -1;
}

/******************************************************************************
 * int incValue(const char* anAttrName, char* aValue, Uint64 aValue)
 *
 * Return Value:   Return 0 : incValue was succesful.
 *                 Return -1: In all other case.   
 * Parameters:     anAttrName : Attribute name where the attribute value will 
 *                             be save.
 *                aValue : The constant to increment the attribute value with. 
 *****************************************************************************/
int
NdbOperation::incValue(const NdbColumnImpl* tNdbColumnImpl, Uint64 aValue)
{
  INT_DEBUG(("incValue64 %d %llu", tNdbColumnImpl->m_attrId, aValue));
  int tAttrId;

  tAttrId = incCheck(tNdbColumnImpl);
  if (tAttrId == -1)
    goto incValue_error1;

// Load Attribute into register 6

  if (insertATTRINFO( Interpreter::Read(tAttrId, 6)) == -1)
    goto incValue_error1;
// Load aValue into register 7
  if (insertATTRINFO( Interpreter::LoadConst64(7)) == -1)
    goto incValue_error1;
  if (insertATTRINFOloop((Uint32*)&aValue, 2) == -1)
    goto incValue_error1;
  // Add register 6 and 7 and put result in register 7
  if (insertATTRINFO( Interpreter::Add(7, 6, 7)) == -1)
    goto incValue_error1;
  if (insertATTRINFO( Interpreter::Write(tAttrId, 7)) == -1)
    goto incValue_error1;
  
  theErrorLine++;
  return 0;  

incValue_error1:
  return -1;
}

/*****************************************************************************
 * int subValue(const char* anAttrName, char* aValue, Uint64 aValue)
 *
 * Return Value:   Return 0 : incValue was succesful.
 *                Return -1: In all other case.   
 * Parameters:     anAttrName : Attribute name where the attribute value will 
 *                              be save.
 *                aValue : The constant to increment the attribute value with. 
******************************************************************************/
int
NdbOperation::subValue(const NdbColumnImpl* tNdbColumnImpl, Uint64 aValue)
{
  INT_DEBUG(("subValue64 %d %llu", tNdbColumnImpl->m_attrId, aValue));
  int tAttrId;

  tAttrId = incCheck(tNdbColumnImpl);
  if (tAttrId == -1)
    goto subValue_error1;

// Load Attribute into register 6

  if (insertATTRINFO( Interpreter::Read(6, tAttrId)) == -1)
    goto subValue_error1;
// Load aValue into register 7
  if (insertATTRINFO( Interpreter::LoadConst64(7)) == -1)
    goto subValue_error1;
  if (insertATTRINFOloop((Uint32*)&aValue, 2) == -1)
    goto subValue_error1;
// Subtract register 6 and 7 and put result in register 7
  if (insertATTRINFO( Interpreter::Sub(7, 6, 7)) == -1)
    goto subValue_error1;
  if (insertATTRINFO( Interpreter::Write(tAttrId, 7)) == -1)
    goto subValue_error1;

  theErrorLine++;
  return 0;  

subValue_error1:
  return -1;
}

/*****************************************************************************
 * int NdbOperation::def_label()
 *****************************************************************************/
int
NdbOperation::def_label(int tLabelNo)
{
  INT_DEBUG(("def_label %d", tLabelNo));
  Uint32 tLabelIndex;
  if (labelCheck() == -1)
    return -1;

  tLabelIndex = theNoOfLabels - ((theNoOfLabels >> 4) << 4);
  if (tLabelIndex == 0)
  {
    NdbLabel* tNdbLabel = theNdb->getNdbLabel();
    if (tNdbLabel == NULL)
    {
      setErrorCodeAbort(4000);
      return -1;
    }
    if (theFirstLabel == NULL)
      theFirstLabel = tNdbLabel;
    else
      theLastLabel->theNext = tNdbLabel;

    theLastLabel = tNdbLabel;
    tNdbLabel->theNext = NULL;
  }

  /**
   * Here we set the address that the label should point to (jump address), 
   * the first 5 words are excluded since they are length specifications and 
   * not part of the data. 
   * We need to add 1 to the current ATTRINFO length since the last inserted 
   * item is not where we want to jump to. 
   * Later on we will update the branch items with this address, this is done in
   * the NdbOperation::prepareSendInterpreted method.
   */

  Uint32 initialOffset= theInitialReadSize + AttrInfo::SectionSizeInfoLength;

  if (theNoOfSubroutines > 0)
  {
    /* Label in a sub, needs to be offset from the start of the subroutines
     * section
     */
    initialOffset+= (theInterpretedSize + theFinalUpdateSize + theFinalReadSize); 

  }

  theLastLabel->theLabelNo[tLabelIndex] = tLabelNo;
  theLastLabel->theLabelAddress[tLabelIndex] = (theTotalCurrAI_Len + 1) - initialOffset;
  theLastLabel->theSubroutine[tLabelIndex] = theNoOfSubroutines;
  theNoOfLabels++;
  theErrorLine++;

  return (theNoOfLabels - 1);
}

/************************************************************************************************
int NdbOperation::def_subroutine()

************************************************************************************************/
int
NdbOperation::def_subroutine(int tSubNo)
{
  INT_DEBUG(("def_subroutine %d", tSubNo));
  Uint32 tSubroutineIndex;

  if (theInterpretIndicator != 1)
  {
    setErrorCodeAbort(4200);
    return -1;
  }

  if (int(theNoOfSubroutines) != tSubNo)
  {
    setErrorCodeAbort(4227);
    return -1;
  }
  if (theStatus == FinalGetValue)
  {
    theFinalReadSize = theTotalCurrAI_Len -
       (theInitialReadSize + theInterpretedSize + 
        theFinalUpdateSize + AttrInfo::SectionSizeInfoLength);

  } else if (theStatus == SubroutineEnd)
  {
     ; // Correct Status, last call was ret_sub()
  } else if (theStatus == ExecInterpretedValue)
  {
    if (insertATTRINFO(Interpreter::EXIT_OK) == -1)
      return -1;
    theInterpretedSize = theTotalCurrAI_Len - 
      (theInitialReadSize + AttrInfo::SectionSizeInfoLength);
  } else if (theStatus == SetValueInterpreted)
  {
    theFinalUpdateSize = theTotalCurrAI_Len -
      (theInitialReadSize + theInterpretedSize + 
       AttrInfo::SectionSizeInfoLength);

  } else if (theStatus == GetValue)
  {

    theInitialReadSize = theTotalCurrAI_Len - 
      AttrInfo::SectionSizeInfoLength;

  } else
  {
    setErrorCodeAbort(4200);
    return -1;
  }
  theStatus = SubroutineExec;
  tSubroutineIndex = theNoOfSubroutines - ((theNoOfSubroutines >> 4) << 4);
  if (tSubroutineIndex == 0)
  {
    NdbSubroutine* tNdbSubroutine = theNdb->getNdbSubroutine();
    if (tNdbSubroutine == NULL)
    {
      setErrorCodeAbort(4000);
      return -1;
    }
    if (theFirstSubroutine == NULL)
      theFirstSubroutine = tNdbSubroutine;
    else
      theLastSubroutine->theNext = tNdbSubroutine;

    theLastSubroutine = tNdbSubroutine;
    tNdbSubroutine->theNext = NULL;
  }
  theLastSubroutine->theSubroutineAddress[tSubroutineIndex] = theTotalCurrAI_Len - 
    (AttrInfo::SectionSizeInfoLength + theInitialReadSize + theInterpretedSize + 
     theFinalUpdateSize + theFinalReadSize); // Preceding sections + sizes array

  theNoOfSubroutines++;
  theErrorLine++;
  return (theNoOfSubroutines - 1);
}

/************************************************************************************************
int NdbOperation::add_reg(Uint32 RegSource1, Uint32 RegSource2, Uint32 RegDest)

************************************************************************************************/
int
NdbOperation::add_reg(Uint32 RegSource1, Uint32 RegSource2, Uint32 RegDest)
{
  INT_DEBUG(("add_reg %u %u %u", RegSource1, RegSource2, RegDest));
  if (intermediate_interpreterCheck() == -1)
    return -1;

  if (RegSource1 >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  if (RegSource2 >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  if (RegDest >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  if (insertATTRINFO( Interpreter::Add(RegDest, RegSource1, RegSource2)) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

/************************************************************************************************
int NdbOperation::sub_reg(Uint32 RegSource1, Uint32 RegSource2, Uint32 RegDest)

************************************************************************************************/
int
NdbOperation::sub_reg(Uint32 RegSource1, Uint32 RegSource2, Uint32 RegDest)
{
  INT_DEBUG(("sub_reg %u %u %u", RegSource1, RegSource2, RegDest));
  if (intermediate_interpreterCheck() == -1)
    return -1;

  if (RegSource1 >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  if (RegSource2 >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  if (RegDest >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  if (insertATTRINFO( Interpreter::Sub(RegDest, RegSource1, RegSource2)) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

/************************************************************************************************
int NdbOperation::load_const_u32(Uint32 RegDest, Uint32 Constant)

************************************************************************************************/
int
NdbOperation::load_const_u32(Uint32 RegDest, Uint32 Constant)
{
  INT_DEBUG(("load_const_u32 %u %u", RegDest, Constant));
  if (initial_interpreterCheck() == -1)
    goto l_u32_error1;
  if (RegDest >= 8)
    goto l_u32_error2;
  if (insertATTRINFO( Interpreter::LoadConst32(RegDest)) == -1)
    goto l_u32_error1;
  if (insertATTRINFO(Constant) == -1)
    goto l_u32_error1;
  theErrorLine++;
  return 0;

 l_u32_error1:
  return -1;
  
 l_u32_error2:
  setErrorCodeAbort(4229);
  return -1;
}

/************************************************************************************************
int NdbOperation::load_const_u64(Uint32 RegDest, Uint64 Constant)

************************************************************************************************/
int
NdbOperation::load_const_u64(Uint32 RegDest, Uint64 Constant)
{
  INT_DEBUG(("load_const_u64 %u %llu", RegDest, Constant));
  if (initial_interpreterCheck() == -1)
    return -1;
  if (RegDest >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  
  // 64 bit value
  if (insertATTRINFO( Interpreter::LoadConst64(RegDest)) == -1)
    return -1;
  if (insertATTRINFOloop((Uint32*)&Constant, 2) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

/************************************************************************************************
int NdbOperation::load_const_null(Uint32 RegDest)

************************************************************************************************/
int
NdbOperation::load_const_null(Uint32 RegDest)
{
  INT_DEBUG(("load_const_null %u", RegDest));
  if (initial_interpreterCheck() == -1)
    return -1;
  if (RegDest >= 8)
  {
    setErrorCodeAbort(4229);
    return -1;
  }
  if (insertATTRINFO( Interpreter::LOAD_CONST_NULL) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

/************************************************************************************************
int NdbOperation::read_attr(const char* anAttrName, Uint32 RegDest)

************************************************************************************************/
int
NdbOperation::read_attr(const NdbColumnImpl* anAttrObject, Uint32 RegDest)
{
  INT_DEBUG(("read_attr %d %u", anAttrObject->m_attrId, RegDest));
  if (initial_interpreterCheck() == -1)
    return -1;

  int tAttrId = read_attrCheck(anAttrObject);
  if (tAttrId == -1)
    goto read_attr_error1;
  if (RegDest >= 8)
    goto read_attr_error2;
  if (insertATTRINFO( Interpreter::Read(tAttrId, RegDest)) != -1) {
    return 0;
    theErrorLine++;
  }//if
  return -1;

read_attr_error1:
  return -1;

read_attr_error2:
  setErrorCodeAbort(4229);
  return -1;
}

/************************************************************************************************
int NdbOperation::write_attr(const char* anAttrName, Uint32 RegSource)

************************************************************************************************/
int
NdbOperation::write_attr(const NdbColumnImpl* anAttrObject, Uint32 RegSource)
{
  INT_DEBUG(("write_attr %d %u", anAttrObject->m_attrId, RegSource));
  int tAttrId = write_attrCheck(anAttrObject);
  if (tAttrId == -1)
    return -1;
  if (insertATTRINFO( Interpreter::Write(tAttrId, RegSource)) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::branch_reg_reg(Uint32 type,
			     Uint32 RegLvalue, Uint32 RegRvalue, Uint32 Label)
{
  if (intermediate_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO(Interpreter::Branch(type, RegLvalue, RegRvalue)) == -1)
    return -1;
  if (insertBranch(Label) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::branch_ge(Uint32 RegLvalue, Uint32 RegRvalue, Uint32 Label)
{
  INT_DEBUG(("branch_ge %u %u %u", RegLvalue, RegRvalue, Label));
  return branch_reg_reg(Interpreter::BRANCH_GE_REG_REG,
			RegLvalue, RegRvalue, Label);
}

int
NdbOperation::branch_gt(Uint32 RegLvalue, Uint32 RegRvalue, Uint32 Label)
{
  INT_DEBUG(("branch_gt %u %u %u", RegLvalue, RegRvalue, Label));
  return branch_reg_reg(Interpreter::BRANCH_GT_REG_REG,
			RegLvalue, RegRvalue, Label);
}

int
NdbOperation::branch_le(Uint32 RegLvalue, Uint32 RegRvalue, Uint32 Label)
{
  INT_DEBUG(("branch_le %u %u %u", RegLvalue, RegRvalue, Label));
  return branch_reg_reg(Interpreter::BRANCH_LE_REG_REG,
			RegLvalue, RegRvalue, Label);
}

int
NdbOperation::branch_lt(Uint32 RegLvalue, Uint32 RegRvalue, Uint32 Label)
{
  INT_DEBUG(("branch_lt %u %u %u", RegLvalue, RegRvalue, Label));
  return branch_reg_reg(Interpreter::BRANCH_LT_REG_REG,
			RegLvalue, RegRvalue, Label);
}

int
NdbOperation::branch_eq(Uint32 RegLvalue, Uint32 RegRvalue, Uint32 Label)
{
  INT_DEBUG(("branch_eq %u %u %u", RegLvalue, RegRvalue, Label));
  return branch_reg_reg(Interpreter::BRANCH_EQ_REG_REG,
			RegLvalue, RegRvalue, Label);
}

int
NdbOperation::branch_ne(Uint32 RegLvalue, Uint32 RegRvalue, Uint32 Label)
{
  INT_DEBUG(("branch_ne %u %u %u", RegLvalue, RegRvalue, Label));
  return branch_reg_reg(Interpreter::BRANCH_NE_REG_REG,
			RegLvalue, RegRvalue, Label);
}

int
NdbOperation::branch_ne_null(Uint32 RegLvalue, Uint32 Label)
{
  INT_DEBUG(("branch_ne_null %u %u", RegLvalue, Label));
  if (intermediate_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO((RegLvalue << 6) + Interpreter::BRANCH_REG_NE_NULL) == -1)
    return -1;
  if (insertBranch(Label) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::branch_eq_null(Uint32 RegLvalue, Uint32 Label)
{
  INT_DEBUG(("branch_eq_null %u %u", RegLvalue, Label));
  if (intermediate_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO((RegLvalue << 6) + Interpreter::BRANCH_REG_EQ_NULL) == -1)
    return -1;
  if (insertBranch(Label) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::branch_label(Uint32 Label)
{
  INT_DEBUG(("branch_label %u", Label));
  if (initial_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO(Interpreter::BRANCH) == -1)
    return -1;
  if (insertBranch(Label) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

/************************************************************************************************
int NdbOperation::interpret_exit_ok()

************************************************************************************************/
int
NdbOperation::interpret_exit_ok()
{
  INT_DEBUG(("interpret_exit_ok"));
  if (initial_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO(Interpreter::EXIT_OK) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::interpret_exit_last_row()
{
  INT_DEBUG(("interpret_exit_last_row"));
  if (initial_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO(Interpreter::EXIT_OK_LAST) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

/************************************************************************************************
int NdbOperation::interpret_exit_nok(Uint32 ErrorCode)

************************************************************************************************/
int
NdbOperation::interpret_exit_nok(Uint32 ErrorCode)
{
  INT_DEBUG(("interpret_exit_nok %u", ErrorCode));
  if (initial_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO( (ErrorCode << 16) + Interpreter::EXIT_REFUSE) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::interpret_exit_nok()
{
  INT_DEBUG(("interpret_exit_nok"));
  Uint32 ErrorCode = 899;

  if (initial_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO( (ErrorCode << 16) + Interpreter::EXIT_REFUSE) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::call_sub(Uint32 Subroutine)
{
  INT_DEBUG(("call_sub %u", Subroutine));
  if (initial_interpreterCheck() == -1)
    return -1;
  if (insertATTRINFO( (Subroutine << 16) + Interpreter::CALL) == -1)
    return -1;
  if (insertCall(Subroutine) == -1)
    return -1;
  theErrorLine++;
  return 0;
}

int
NdbOperation::ret_sub()
{
  INT_DEBUG(("ret_sub"));
  if (theInterpretIndicator != 1)
  {
    setErrorCodeAbort(4200);
    return -1;
  }
  if (theStatus == SubroutineExec)
  {
     ; // Simply continue with interpretation
  } else
  {
    setErrorCodeAbort(4200);
    return -1;
  }
  if (insertATTRINFO(Interpreter::RETURN) == -1)
    return -1;
  theStatus = SubroutineEnd;
  theErrorLine++;
  return 0;
}

int
NdbOperation::insertBranch(Uint32 aLabel)
{
  Uint32 tAddress;
  NdbBranch* tBranch = theNdb->getNdbBranch();
  if (tBranch == NULL)
    goto insertBranch_error1;
  if (theFirstBranch == NULL)
    theFirstBranch = tBranch;
  else
    theLastBranch->theNext = tBranch;
  theLastBranch = tBranch;
  if (theNoOfSubroutines == 0)
    tAddress = theTotalCurrAI_Len - 
      (theInitialReadSize + AttrInfo::SectionSizeInfoLength);
  else
    tAddress = theTotalCurrAI_Len - 
      (theInitialReadSize + theInterpretedSize +
       theFinalUpdateSize + theFinalReadSize + AttrInfo::SectionSizeInfoLength);

  tBranch->theBranchAddress = tAddress;
  tBranch->theSignal = theCurrentATTRINFO;
  tBranch->theSignalAddress = theAI_LenInCurrAI; // + 1;  theAI_LenInCurrAI has already been updated in
  tBranch->theSubroutine = theNoOfSubroutines;   //       insertATTRINFO which was done before insertBranch!!
  tBranch->theBranchLabel = aLabel;
  return 0;

insertBranch_error1:
  setErrorCodeAbort(4000);
  return -1;
}

int
NdbOperation::insertCall(Uint32 aCall)
{
  NdbCall* tCall = theNdb->getNdbCall();
  if (tCall == NULL)
  {
    setErrorCodeAbort(4000);
    return -1;
  }
  if (theFirstCall == NULL)
    theFirstCall = tCall;
  else
    theLastCall->theNext = tCall;
  theLastCall = tCall;

  tCall->theSignal = theCurrentATTRINFO;
  tCall->theSignalAddress = theAI_LenInCurrAI;
  tCall->theSubroutine = aCall;
  return 0;
}

int
NdbOperation::branch_col(Uint32 type, 
			 Uint32 ColId, const void * val, Uint32 len, 
			 bool nopad, Uint32 Label){

  DBUG_ENTER("NdbOperation::branch_col");
  DBUG_PRINT("enter", ("type: %u  col:%u  val: 0x%lx  len: %u  label: %u",
                       type, ColId, (long) val, len, Label));
  if (val != NULL)
    DBUG_DUMP("value", (uchar*)val, len);

  if (initial_interpreterCheck() == -1)
    DBUG_RETURN(-1);

  Interpreter::BinaryCondition c = (Interpreter::BinaryCondition)type;
  
  const NdbColumnImpl * col = 
    m_currentTable->getColumn(ColId);
  
  if(col == 0){
    abort();
  }

  Uint32 sigLen= len;
  Uint32 sendLen= len;

  if (val == NULL)
    sigLen= sendLen = 0;
  else {
    if (! col->getStringType())
    {
      /* Fixed size type */
      sigLen= sendLen= col->m_attrSize * col->m_arraySize;
    }
    else
    {
      /* For Like and Not like we must use the passed in 
       * length.  Otherwise we use the length encoded
       * in the passed string
       */
      if ((type != Interpreter::LIKE) &&
          (type != Interpreter::NOT_LIKE))
      {
        if (! col->get_var_length_bug39645(val, sigLen, sendLen))
        {
          setErrorCodeAbort(4209);
          DBUG_RETURN(-1);
        }
      }
    }
  }

  m_no_disk_flag &= (col->m_storageType == NDB_STORAGETYPE_DISK ? 0:1);

  /* We copy the data if it's not 32-bit aligned, or 
   * if we need to send more data than the user provides (Bug 39645)
   */
  bool needCopy= ( (((UintPtr)val & 3) != 0) || // Not aligned
                   (sigLen != sendLen));        // Bug 39645

  Uint32 tempData[ NDB_MAX_TUPLE_SIZE_IN_WORDS ];
  if (needCopy) {
    memcpy(tempData, val, sigLen);
    val = tempData;
  }

  if (insertATTRINFO(Interpreter::BranchCol(c, 0, 0, false)) == -1)
    DBUG_RETURN(-1);
  
  if (insertBranch(Label) == -1)
    DBUG_RETURN(-1);
  
  if (insertATTRINFO(Interpreter::BranchCol_2(col->m_attrId, sendLen)))
    DBUG_RETURN(-1);
  
  Uint32 len2 = Interpreter::mod4(sendLen);
  if(len2 == sendLen){
    insertATTRINFOloop((Uint32*)val, len2 >> 2);
  } else {
    len2 -= 4;
    insertATTRINFOloop((Uint32*)val, len2 >> 2);
    Uint32 tmp = 0;
    for (Uint32 i = 0; i < sendLen-len2; i++) {
      char* p = (char*)&tmp;
      p[i] = ((char*)val)[len2+i];
    }
    insertATTRINFO(tmp);
  }
  
  theErrorLine++;
  DBUG_RETURN(0);
}

int 
NdbOperation::branch_col_eq(Uint32 ColId, const void * val, Uint32 len, 
			    bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_eq %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::EQ, ColId, val, len, nopad, Label);
}

int
NdbOperation::branch_col_ne(Uint32 ColId, const void * val, Uint32 len, 
			    bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_ne %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::NE, ColId, val, len, nopad, Label);
}
int
NdbOperation::branch_col_lt(Uint32 ColId, const void * val, Uint32 len, 
			    bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_lt %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::LT, ColId, val, len, nopad, Label);
}
int
NdbOperation::branch_col_le(Uint32 ColId, const void * val, Uint32 len, 
			    bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_le %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::LE, ColId, val, len, nopad, Label);
}
int
NdbOperation::branch_col_gt(Uint32 ColId, const void * val, Uint32 len, 
			    bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_gt %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::GT, ColId, val, len, nopad, Label);
}

int
NdbOperation::branch_col_ge(Uint32 ColId, const void * val, Uint32 len, 
			    bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_ge %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::GE, ColId, val, len, nopad, Label);
}

int
NdbOperation::branch_col_like(Uint32 ColId, const void * val, Uint32 len, 
			      bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_like %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::LIKE, ColId, val, len, nopad, Label);
}

int
NdbOperation::branch_col_notlike(Uint32 ColId, const void * val, Uint32 len, 
				 bool nopad, Uint32 Label){
  INT_DEBUG(("branch_col_notlike %u %.*s(%u,%d) -> %u", ColId, len, (char*) val, len,
             nopad, Label));
  return branch_col(Interpreter::NOT_LIKE, ColId, val, len, nopad, Label);
}

int
NdbOperation::branch_col_null(Uint32 type, Uint32 ColId, Uint32 Label){
  
  if (initial_interpreterCheck() == -1)
    return -1;
  
  if (insertATTRINFO(type) == -1)
    return -1;
  
  if (insertBranch(Label) == -1)
    return -1;

  Uint32 attrId= 
    NdbColumnImpl::getImpl(* m_currentTable->getColumn(ColId)).m_attrId;
  
  if (insertATTRINFO(Interpreter::BranchCol_2(attrId)))
    return -1;
  
  theErrorLine++;
  return 0;
}

int
NdbOperation::branch_col_eq_null(Uint32 ColId, Uint32 Label){
  
  INT_DEBUG(("branch_col_eq_null %u -> %u", ColId, Label));
  return branch_col_null(Interpreter::BRANCH_ATTR_EQ_NULL, ColId, Label);
}

int
NdbOperation::branch_col_ne_null(Uint32 ColId, Uint32 Label){
  
  INT_DEBUG(("branch_col_ne_null %u -> %u", ColId, Label));
  return branch_col_null(Interpreter::BRANCH_ATTR_NE_NULL, ColId, Label);
}

