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/* Copyright (c) 2003-2005 MySQL AB
Use is subject to license terms
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
/*****************************************************************************
Name: NdbSchemaOp.cpp
Include:
Link:
Author: UABMNST Mona Natterkvist UAB/B/SD
EMIKRON Mikael Ronstrom
Date: 040524
Version: 3.0
Description: Interface between application and NDB
Documentation: Handles createTable and createAttribute calls
Adjust: 980125 UABMNST First version.
020826 EMIKRON New version for new DICT
040524 Magnus Svensson - Adapted to not be included in public NdbApi
unless the user wants to use it.
NOTE: This file is only used as a compatibility layer for old test programs,
New programs should use NdbDictionary.hpp
*****************************************************************************/
#include <ndb_global.h>
#include <NdbApi.hpp>
#include <NdbSchemaOp.hpp>
#include <NdbSchemaCon.hpp>
/*****************************************************************************
NdbSchemaOp(Ndb* aNdb, Table* aTable);
Return Value: None
Parameters: aNdb: Pointers to the Ndb object.
aTable: Pointers to the Table object
Remark: Creat an object of NdbSchemaOp.
*****************************************************************************/
NdbSchemaOp::NdbSchemaOp(Ndb* aNdb) :
theNdb(aNdb),
theSchemaCon(NULL),
m_currentTable(NULL)
{
}//NdbSchemaOp::NdbSchemaOp()
/*****************************************************************************
~NdbSchemaOp();
Remark: Delete tables for connection pointers (id).
*****************************************************************************/
NdbSchemaOp::~NdbSchemaOp( )
{
}//~NdbSchemaOp::NdbSchemaOp()
/*****************************************************************************
int createTable( const char* tableName )
*****************************************************************************/
int
NdbSchemaOp::createTable(const char* aTableName,
Uint32 aTableSize,
KeyType aTupleKey,
int aNrOfPages,
FragmentType aFragmentType,
int aKValue,
int aMinLoadFactor,
int aMaxLoadFactor,
int aMemoryType,
bool aStoredTable)
{
if(m_currentTable != 0){
return -1;
}
m_currentTable = new NdbDictionary::Table(aTableName);
m_currentTable->setKValue(aKValue);
m_currentTable->setMinLoadFactor(aMinLoadFactor);
m_currentTable->setMaxLoadFactor(aMaxLoadFactor);
m_currentTable->setLogging(aStoredTable);
m_currentTable->setFragmentType(NdbDictionary::Object::FragAllMedium);
return 0;
}//NdbSchemaOp::createTable()
/******************************************************************************
int createAttribute( const char* anAttrName,
KeyType aTupleyKey,
int anAttrSize,
int anArraySize,
AttrType anAttrType,
SafeType aSafeType,
StorageMode aStorageMode,
int aNullAttr,
int aStorageAttr );
******************************************************************************/
int
NdbSchemaOp::createAttribute( const char* anAttrName,
KeyType aTupleKey,
int anAttrSize,
int anArraySize,
AttrType anAttrType,
StorageMode aStorageMode,
bool nullable,
int aStorageAttr,
int aDistributionKeyFlag,
int aDistributionGroupFlag,
int aDistributionGroupNoOfBits,
bool aAutoIncrement,
const char* aDefaultValue)
{
if (m_currentTable == 0){
return -1;
}//if
NdbDictionary::Column col(anAttrName);
switch(anAttrType){
case Signed:
if(anAttrSize == 64)
col.setType(NdbDictionary::Column::Bigint);
else
col.setType(NdbDictionary::Column::Int);
break;
case UnSigned:
if(anAttrSize == 64)
col.setType(NdbDictionary::Column::Bigunsigned);
else
col.setType(NdbDictionary::Column::Unsigned);
break;
case Float:
if(anAttrSize == 64)
col.setType(NdbDictionary::Column::Double);
else
col.setType(NdbDictionary::Column::Float);
break;
case String:
col.setType(NdbDictionary::Column::Char);
break;
case NoAttrTypeDef:
abort();
}
col.setLength(anArraySize);
col.setNullable(nullable);
if(aTupleKey != NoKey)
col.setPrimaryKey(true);
else
col.setPrimaryKey(false);
col.setDistributionKey(aDistributionKeyFlag);
col.setAutoIncrement(aAutoIncrement);
col.setDefaultValue(aDefaultValue != 0 ? aDefaultValue : "");
m_currentTable->addColumn(col);
return 0;
}
/******************************************************************************
void release();
Remark: Release all objects connected to the schemaop object.
******************************************************************************/
void
NdbSchemaOp::release(){
}//NdbSchemaOp::release()
/******************************************************************************
int sendRec()
Return Value: Return 0 : send was succesful.
Return -1: In all other case.
Parameters:
Remark: Send and receive signals for schema transaction based on state
******************************************************************************/
int
NdbSchemaOp::sendRec(){
int retVal = 0;
if(m_currentTable == 0){
retVal = -1;
} else {
retVal = theNdb->getDictionary()->createTable(* m_currentTable);
delete m_currentTable;
theSchemaCon->theError.code = theNdb->getDictionary()->getNdbError().code;
}
return retVal;
}//NdbSchemaOp::sendRec()
/******************************************************************************
int init();
Return Value: Return 0 : init was successful.
Return -1: In all other case.
Remark: Initiates SchemaOp record after allocation.
******************************************************************************/
int
NdbSchemaOp::init(NdbSchemaCon* aSchemaCon)
{
theSchemaCon = aSchemaCon;
return 0;
}//NdbSchemaOp::init()
const NdbError &
NdbSchemaOp::getNdbError() const
{
return theSchemaCon->getNdbError();
}
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