1
0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-04-18 21:44:02 +03:00
2023-03-02 15:59:42 +00:00

307 lines
8.2 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
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. */
/***********************************************************************
* $Id: insertdmlpackage.cpp 9210 2013-01-21 14:10:42Z rdempsey $
*
*
***********************************************************************/
#include <stdexcept>
#include <iostream>
#include <boost/tokenizer.hpp>
#include <string>
using namespace std;
#define INSERTDMLPKG_DLLEXPORT
#include "insertdmlpackage.h"
#undef INSERTDMLPKG_DLLEXPORT
namespace dmlpackage
{
InsertDMLPackage::InsertDMLPackage()
{
}
InsertDMLPackage::InsertDMLPackage(std::string schemaName, std::string tableName, std::string dmlStatement,
int sessionID)
: CalpontDMLPackage(schemaName, tableName, dmlStatement, sessionID)
{
}
InsertDMLPackage::~InsertDMLPackage()
{
}
int InsertDMLPackage::write(messageqcpp::ByteStream& bytestream)
{
int retval = 1;
messageqcpp::ByteStream::byte package_type = DML_INSERT;
bytestream << package_type;
messageqcpp::ByteStream::quadbyte session_id = fSessionID;
bytestream << session_id;
bytestream << fUuid;
bytestream << fDMLStatement;
bytestream << fDMLStatement;
bytestream << fSchemaName;
messageqcpp::ByteStream::octbyte timeZone = fTimeZone;
bytestream << timeZone;
bytestream << (uint8_t)fLogging;
bytestream << (uint8_t)fLogending;
bytestream << fTableOid;
bytestream << static_cast<messageqcpp::ByteStream::byte>(fIsInsertSelect);
bytestream << static_cast<messageqcpp::ByteStream::byte>(fIsBatchInsert);
bytestream << static_cast<messageqcpp::ByteStream::byte>(fIsCacheInsert);
bytestream << static_cast<messageqcpp::ByteStream::byte>(fIsAutocommitOn);
if (fTable != 0)
{
retval = fTable->write(bytestream);
}
return retval;
}
int InsertDMLPackage::read(messageqcpp::ByteStream& bytestream)
{
int retval = 1;
messageqcpp::ByteStream::quadbyte session_id;
bytestream >> session_id;
fSessionID = session_id;
bytestream >> fUuid;
std::string dmlStatement;
bytestream >> fDMLStatement;
bytestream >> fSQLStatement;
bytestream >> fSchemaName;
messageqcpp::ByteStream::octbyte timeZone;
bytestream >> timeZone;
fTimeZone = timeZone;
uint8_t logging;
bytestream >> logging;
fLogging = (logging != 0);
uint8_t logending;
bytestream >> logending;
fLogending = (logending != 0);
bytestream >> fTableOid;
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsInsertSelect);
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsBatchInsert);
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsCacheInsert);
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsAutocommitOn);
fTable = new DMLTable();
retval = fTable->read(bytestream);
return retval;
}
void InsertDMLPackage::readMetaData(messageqcpp::ByteStream& bytestream)
{
messageqcpp::ByteStream::quadbyte session_id;
bytestream >> session_id;
fSessionID = session_id;
bytestream >> fUuid;
std::string dmlStatement;
bytestream >> fDMLStatement;
bytestream >> fSQLStatement;
bytestream >> fSchemaName;
messageqcpp::ByteStream::octbyte timeZone;
bytestream >> timeZone;
fTimeZone = timeZone;
uint8_t logging;
bytestream >> logging;
fLogging = (logging != 0);
uint8_t logending;
bytestream >> logending;
fLogending = (logending != 0);
bytestream >> fTableOid;
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsInsertSelect);
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsBatchInsert);
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsCacheInsert);
bytestream >> reinterpret_cast<messageqcpp::ByteStream::byte&>(fIsAutocommitOn);
fTable = new DMLTable();
fTable->readMetaData(bytestream);
}
// Has to be called after InsertDMLPackage::readMetaData()
void InsertDMLPackage::readRowData(messageqcpp::ByteStream& bytestream)
{
fTable->readRowData(bytestream);
}
int InsertDMLPackage::buildFromBuffer(std::string& buffer, int columns, int rows)
{
#ifdef DML_PACKAGE_DEBUG
// cout << "The data buffer received: " << buffer << endl;
#endif
int retval = 1;
initializeTable();
std::vector<std::string> dataList;
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
boost::char_separator<char> sep(",");
tokenizer tokens(buffer, sep);
for (tokenizer::iterator tok_iter = tokens.begin(); tok_iter != tokens.end(); ++tok_iter)
{
dataList.push_back(StripLeadingWhitespace(*tok_iter));
}
int n = 0;
for (int i = 0; i < rows; i++)
{
// get a new row
Row* aRowPtr = new Row();
std::string colName;
std::string colValue;
for (int j = 0; j < columns; j++)
{
// Build a column list
colName = dataList[n];
n++;
colValue = dataList[n];
n++;
#ifdef DML_PACKAGE_DEBUG
// cout << "The column data: " << colName << " " << colValue << endl;
#endif
DMLColumn* aColumn = new DMLColumn(colName, colValue, false);
(aRowPtr->get_ColumnList()).push_back(aColumn);
}
// build a row list for a table
fTable->get_RowList().push_back(aRowPtr);
}
return retval;
}
int InsertDMLPackage::buildFromMysqlBuffer(ColNameList& colNameList, TableValuesMap& tableValuesMap,
int columns, int rows, NullValuesBitset& nullValues)
{
int retval = 1;
initializeTable();
Row* aRowPtr = new Row();
std::string colName;
std::vector<std::string> colValList;
for (int j = 0; j < columns; j++)
{
// Build a column list
colName = colNameList[j];
colValList = tableValuesMap[j];
DMLColumn* aColumn = new DMLColumn(colName, colValList, false, 0, nullValues[j]);
(aRowPtr->get_ColumnList()).push_back(aColumn);
}
// build a row list for a table
fTable->get_RowList().push_back(aRowPtr);
aRowPtr = NULL;
delete aRowPtr;
return retval;
}
int InsertDMLPackage::buildFromSqlStatement(SqlStatement& sqlStatement)
{
int retval = 1;
InsertSqlStatement& insertStmt = dynamic_cast<InsertSqlStatement&>(sqlStatement);
if (!insertStmt.fValuesOrQueryPtr)
throw runtime_error("insertStmt.fValuesOrQueryPtr == NULL");
initializeTable();
bool isNULL = false;
// only if we don't have a select statement
if (0 == insertStmt.fValuesOrQueryPtr->fQuerySpecPtr)
{
ColumnNameList columnNameList = insertStmt.fColumnList;
if (columnNameList.size())
{
ValuesList valuesList = insertStmt.fValuesOrQueryPtr->fValuesList;
if (columnNameList.size() != valuesList.size())
{
throw logic_error("Column names and values count mismatch!");
}
Row* aRow = new Row();
for (unsigned int i = 0; i < columnNameList.size(); i++)
{
DMLColumn* aColumn = new DMLColumn(columnNameList[i], valuesList[i], isNULL);
(aRow->get_ColumnList()).push_back(aColumn);
}
fTable->get_RowList().push_back(aRow);
}
else
{
ValuesList valuesList = insertStmt.fValuesOrQueryPtr->fValuesList;
ValuesList::const_iterator iter = valuesList.begin();
Row* aRow = new Row();
std::string colName = "";
std::string colValue;
while (iter != valuesList.end())
{
colValue = *iter;
if (strcasecmp(colValue.c_str(), "NULL") == 0)
{
isNULL = true;
}
else
{
isNULL = false;
}
DMLColumn* aColumn = new DMLColumn(colName, colValue, isNULL);
(aRow->get_ColumnList()).push_back(aColumn);
++iter;
}
fTable->get_RowList().push_back(aRow);
}
}
else
{
fHasFilter = true;
fQueryString = insertStmt.getQueryString();
}
return retval;
}
} // namespace dmlpackage