ndbdictionary.cpp

mysql-5.0.22.tar.gz源码包

/* 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; either version 2 of the License, or
   (at your option) any later version.

   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 <NdbDictionary.hpp>
#include "NdbDictionaryImpl.hpp"
#include <NdbOut.hpp>

/*****************************************************************
 * Column facade
 */
NdbDictionary::Column::Column(const char * name) 
  : m_impl(* new NdbColumnImpl(* this))
{
  setName(name);
}

NdbDictionary::Column::Column(const NdbDictionary::Column & org)
  : m_impl(* new NdbColumnImpl(* this))
{
  m_impl = org.m_impl;
}

NdbDictionary::Column::Column(NdbColumnImpl& impl)
  : m_impl(impl)
{
}

NdbDictionary::Column::~Column(){
  NdbColumnImpl * tmp = &m_impl;  
  if(this != tmp){
    delete tmp;
  }
}

NdbDictionary::Column&
NdbDictionary::Column::operator=(const NdbDictionary::Column& column)
{
  m_impl = column.m_impl;
  
  return *this;
}

void 
NdbDictionary::Column::setName(const char * name){
  m_impl.m_name.assign(name);
}

const char* 
NdbDictionary::Column::getName() const {
  return m_impl.m_name.c_str();
}

void
NdbDictionary::Column::setType(Type t){
  m_impl.init(t);
}

NdbDictionary::Column::Type 
NdbDictionary::Column::getType() const {
  return m_impl.m_type;
}

void 
NdbDictionary::Column::setPrecision(int val){
  m_impl.m_precision = val;
}

int 
NdbDictionary::Column::getPrecision() const {
  return m_impl.m_precision;
}

void 
NdbDictionary::Column::setScale(int val){
  m_impl.m_scale = val;
}

int 
NdbDictionary::Column::getScale() const{
  return m_impl.m_scale;
}

void
NdbDictionary::Column::setLength(int length){
  m_impl.m_length = length;
}

int 
NdbDictionary::Column::getLength() const{
  return m_impl.m_length;
}

void
NdbDictionary::Column::setInlineSize(int size)
{
  m_impl.m_precision = size;
}

void
NdbDictionary::Column::setCharset(CHARSET_INFO* cs)
{
  m_impl.m_cs = cs;
}

CHARSET_INFO*
NdbDictionary::Column::getCharset() const
{
  return m_impl.m_cs;
}

int
NdbDictionary::Column::getInlineSize() const
{
  return m_impl.m_precision;
}

void
NdbDictionary::Column::setPartSize(int size)
{
  m_impl.m_scale = size;
}

int
NdbDictionary::Column::getPartSize() const
{
  return m_impl.m_scale;
}

void
NdbDictionary::Column::setStripeSize(int size)
{
  m_impl.m_length = size;
}

int
NdbDictionary::Column::getStripeSize() const
{
  return m_impl.m_length;
}

int 
NdbDictionary::Column::getSize() const{
  return m_impl.m_attrSize;
}

void 
NdbDictionary::Column::setNullable(bool val){
  m_impl.m_nullable = val;
}

bool 
NdbDictionary::Column::getNullable() const {
  return m_impl.m_nullable;
}

void 
NdbDictionary::Column::setPrimaryKey(bool val){
  m_impl.m_pk = val;
}

bool 
NdbDictionary::Column::getPrimaryKey() const {
  return m_impl.m_pk;
}

void 
NdbDictionary::Column::setPartitionKey(bool val){
  m_impl.m_distributionKey = val;
}

bool 
NdbDictionary::Column::getPartitionKey() const{
  return m_impl.m_distributionKey;
}

const NdbDictionary::Table * 
NdbDictionary::Column::getBlobTable() const {
  NdbTableImpl * t = m_impl.m_blobTable;
  if (t)
    return t->m_facade;
  return 0;
}

void 
NdbDictionary::Column::setAutoIncrement(bool val){
  m_impl.m_autoIncrement = val;
}

bool 
NdbDictionary::Column::getAutoIncrement() const {
  return m_impl.m_autoIncrement;
}

void
NdbDictionary::Column::setAutoIncrementInitialValue(Uint64 val){
  m_impl.m_autoIncrementInitialValue = val;
}

void
NdbDictionary::Column::setDefaultValue(const char* defaultValue)
{
  m_impl.m_defaultValue.assign(defaultValue);
}

const char*
NdbDictionary::Column::getDefaultValue() const
{
  return m_impl.m_defaultValue.c_str();
}

int
NdbDictionary::Column::getColumnNo() const {
  return m_impl.m_attrId;
}

bool
NdbDictionary::Column::equal(const NdbDictionary::Column & col) const {
  return m_impl.equal(col.m_impl);
}

int
NdbDictionary::Column::getSizeInBytes() const 
{
  return m_impl.m_attrSize * m_impl.m_arraySize;
}

/*****************************************************************
 * Table facade
 */
NdbDictionary::Table::Table(const char * name)
  : m_impl(* new NdbTableImpl(* this)) 
{
  setName(name);
}

NdbDictionary::Table::Table(const NdbDictionary::Table & org)
  : NdbDictionary::Object(),
    m_impl(* new NdbTableImpl(* this))
{
  m_impl.assign(org.m_impl);
}

NdbDictionary::Table::Table(NdbTableImpl & impl)
  : m_impl(impl)
{
}

NdbDictionary::Table::~Table(){
  NdbTableImpl * tmp = &m_impl;  
  if(this != tmp){
    delete tmp;
  }
}

NdbDictionary::Table&
NdbDictionary::Table::operator=(const NdbDictionary::Table& table)
{
  m_impl.assign(table.m_impl);
  
  m_impl.m_facade = this;
  return *this;
}

void 
NdbDictionary::Table::setName(const char * name){
  m_impl.setName(name);
}

const char * 
NdbDictionary::Table::getName() const {
  return m_impl.getName();
}

int
NdbDictionary::Table::getTableId() const {
  return m_impl.m_tableId;
}

void 
NdbDictionary::Table::addColumn(const Column & c){
  NdbColumnImpl* col = new NdbColumnImpl;
  (* col) = NdbColumnImpl::getImpl(c);
  m_impl.m_columns.push_back(col);
  if(c.getPrimaryKey()){
    m_impl.m_noOfKeys++;
  }
  if (col->getBlobType()) {
    m_impl.m_noOfBlobs++;
  }
  m_impl.buildColumnHash();
}

const NdbDictionary::Column*
NdbDictionary::Table::getColumn(const char * name) const {
  return m_impl.getColumn(name);
}

const NdbDictionary::Column* 
NdbDictionary::Table::getColumn(const int attrId) const {
  return m_impl.getColumn(attrId);
}

NdbDictionary::Column*
NdbDictionary::Table::getColumn(const char * name) 
{
  return m_impl.getColumn(name);
}

NdbDictionary::Column* 
NdbDictionary::Table::getColumn(const int attrId)
{
  return m_impl.getColumn(attrId);
}

void
NdbDictionary::Table::setLogging(bool val){
  m_impl.m_logging = val;
}

bool 
NdbDictionary::Table::getLogging() const {
  return m_impl.m_logging;
}

void
NdbDictionary::Table::setFragmentType(FragmentType ft){
  m_impl.m_fragmentType = ft;
}

NdbDictionary::Object::FragmentType 
NdbDictionary::Table::getFragmentType() const {
  return m_impl.m_fragmentType;
}

void 
NdbDictionary::Table::setKValue(int kValue){
  m_impl.m_kvalue = kValue;
}

int
NdbDictionary::Table::getKValue() const {
  return m_impl.m_kvalue;
}

void 
NdbDictionary::Table::setMinLoadFactor(int lf){
  m_impl.m_minLoadFactor = lf;
}

int 
NdbDictionary::Table::getMinLoadFactor() const {
  return m_impl.m_minLoadFactor;
}

void 
NdbDictionary::Table::setMaxLoadFactor(int lf){
  m_impl.m_maxLoadFactor = lf;  
}

int 
NdbDictionary::Table::getMaxLoadFactor() const {
  return m_impl.m_maxLoadFactor;
}

int
NdbDictionary::Table::getNoOfColumns() const {
  return m_impl.m_columns.size();
}

int
NdbDictionary::Table::getNoOfPrimaryKeys() const {
  return m_impl.m_noOfKeys;
}

const char*
NdbDictionary::Table::getPrimaryKey(int no) const {
  int count = 0;
  for (unsigned i = 0; i < m_impl.m_columns.size(); i++) {
    if (m_impl.m_columns[i]->m_pk) {
      if (count++ == no)
        return m_impl.m_columns[i]->m_name.c_str();
    }
  }
  return 0;
}

const void* 
NdbDictionary::Table::getFrmData() const {
  return m_impl.m_frm.get_data();
}

Uint32
NdbDictionary::Table::getFrmLength() const {
  return m_impl.m_frm.length();
}

void
NdbDictionary::Table::setFrm(const void* data, Uint32 len){
  m_impl.m_frm.assign(data, len);
}

NdbDictionary::Object::Status
NdbDictionary::Table::getObjectStatus() const {
  return m_impl.m_status;
}

int 
NdbDictionary::Table::getObjectVersion() const {
  return m_impl.m_version;
}

bool
NdbDictionary::Table::equal(const NdbDictionary::Table & col) const {
  return m_impl.equal(col.m_impl);
}

int
NdbDictionary::Table::getRowSizeInBytes() const {  
  int sz = 0;
  for(int i = 0; i<getNoOfColumns(); i++){
    const NdbDictionary::Column * c = getColumn(i);
    sz += (c->getSizeInBytes()+ 3) / 4;
  }
  return sz * 4;
}

int
NdbDictionary::Table::getReplicaCount() const {  
  return m_impl.m_replicaCount;
}

int
NdbDictionary::Table::createTableInDb(Ndb* pNdb, bool equalOk) const {  
  const NdbDictionary::Table * pTab = 
    pNdb->getDictionary()->getTable(getName());
  if(pTab != 0 && equal(* pTab))
    return 0;
  if(pTab != 0 && !equal(* pTab))
    return -1;
  return pNdb->getDictionary()->createTable(* this);
}

/*****************************************************************
 * Index facade
 */
NdbDictionary::Index::Index(const char * name)
  : m_impl(* new NdbIndexImpl(* this))
{
  setName(name);
}

NdbDictionary::Index::Index(NdbIndexImpl & impl)
  : m_impl(impl) 
{
}

NdbDictionary::Index::~Index(){
  NdbIndexImpl * tmp = &m_impl;  
  if(this != tmp){
    delete tmp;
  }
}

void 
NdbDictionary::Index::setName(const char * name){
  m_impl.setName(name);
}

const char * 
NdbDictionary::Index::getName() const {
  return m_impl.getName();
}

void 
NdbDictionary::Index::setTable(const char * table){
  m_impl.setTable(table);
}

const char * 
NdbDictionary::Index::getTable() const {
  return m_impl.getTable();
}

unsigned
NdbDictionary::Index::getNoOfColumns() const {
  return m_impl.m_columns.size();
}

int
NdbDictionary::Index::getNoOfIndexColumns() const {
  return m_impl.m_columns.size();
}

const NdbDictionary::Column *
NdbDictionary::Index::getColumn(unsigned no) const {
  if(no < m_impl.m_columns.size())
    return m_impl.m_columns[no];
  return NULL;
}

const char *
NdbDictionary::Index::getIndexColumn(int no) const {
  const NdbDictionary::Column* col = getColumn(no);

  if (col)
    return col->getName();
  else
    return NULL;
}

void
NdbDictionary::Index::addColumn(const Column & c){
  NdbColumnImpl* col = new NdbColumnImpl;
  (* col) = NdbColumnImpl::getImpl(c);
  m_impl.m_columns.push_back(col);