mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-06-09 06:41:19 +03:00
755 lines
19 KiB
C++
755 lines
19 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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Copyright (C) 2019 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/***********************************************************************
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* $Id: simplecolumn.cpp 9576 2013-05-29 21:02:11Z zzhu $
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*
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*
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***********************************************************************/
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#include <iostream>
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#include <string>
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#include <exception>
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#include <stdexcept>
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#include <sstream>
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using namespace std;
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#include "bytestream.h"
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using namespace messageqcpp;
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#include "objectreader.h"
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#include "calpontselectexecutionplan.h"
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#include "rowgroup.h"
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using namespace rowgroup;
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#include "joblisttypes.h"
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using namespace joblist;
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#include "dataconvert.h"
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#include "arithmeticcolumn.h"
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#include "functioncolumn.h"
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#include "simplecolumn.h"
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#include "simplefilter.h"
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#include "aggregatecolumn.h"
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#include "constantfilter.h"
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#include "../../utils/windowfunction/windowfunction.h"
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#include "utils/common/branchpred.h"
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namespace execplan
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{
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void getSimpleCols(execplan::ParseTree* n, void* obj)
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{
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vector<SimpleColumn*>* list = reinterpret_cast<vector<SimpleColumn*>*>(obj);
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TreeNode* tn = n->data();
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SimpleColumn* sc = dynamic_cast<SimpleColumn*>(tn);
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FunctionColumn* fc = dynamic_cast<FunctionColumn*>(tn);
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ArithmeticColumn* ac = dynamic_cast<ArithmeticColumn*>(tn);
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SimpleFilter* sf = dynamic_cast<SimpleFilter*>(tn);
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ConstantFilter* cf = dynamic_cast<ConstantFilter*>(tn);
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if (sc)
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{
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list->push_back(sc);
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}
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else if (fc)
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{
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fc->setSimpleColumnList();
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list->insert(list->end(), fc->simpleColumnList().begin(), fc->simpleColumnList().end());
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}
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else if (ac)
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{
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ac->setSimpleColumnList();
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list->insert(list->end(), ac->simpleColumnList().begin(), ac->simpleColumnList().end());
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}
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else if (sf)
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{
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sf->setSimpleColumnList();
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list->insert(list->end(), sf->simpleColumnList().begin(), sf->simpleColumnList().end());
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}
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else if (cf)
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{
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cf->setSimpleColumnList();
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list->insert(list->end(), cf->simpleColumnList().begin(), cf->simpleColumnList().end());
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}
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}
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ParseTree* replaceRefCol(ParseTree*& n, CalpontSelectExecutionPlan::ReturnedColumnList& derivedColList)
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{
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ParseTree* lhs = n->left();
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ParseTree* rhs = n->right();
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if (lhs)
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n->left(replaceRefCol(lhs, derivedColList));
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if (rhs)
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n->right(replaceRefCol(rhs, derivedColList));
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SimpleFilter* sf = dynamic_cast<SimpleFilter*>(n->data());
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ConstantFilter* cf = dynamic_cast<ConstantFilter*>(n->data());
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ReturnedColumn* rc = dynamic_cast<ReturnedColumn*>(n->data());
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if (sf)
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{
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sf->replaceRealCol(derivedColList);
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}
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else if (cf)
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{
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cf->replaceRealCol(derivedColList);
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}
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else if (rc)
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{
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SimpleColumn* sc = dynamic_cast<SimpleColumn*>(rc);
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if (sc && (sc->colPosition() > -1))
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{
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ReturnedColumn* tmp = derivedColList[sc->colPosition()]->clone();
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delete sc;
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n->data(tmp);
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}
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else
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{
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rc->replaceRealCol(derivedColList);
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}
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}
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return n;
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}
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/**
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* Constructors/Destructors
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*/
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SimpleColumn::SimpleColumn() : ReturnedColumn(), fOid(0), fisColumnStore(true)
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{
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fDistinct = false;
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}
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SimpleColumn::SimpleColumn(const std::string& token, ForTestPurposeWithoutOID)
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: ReturnedColumn(0), fOid(0), fData(token), fisColumnStore(true)
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{
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parse(token);
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fDistinct = false;
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}
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SimpleColumn::SimpleColumn(const string& token, const uint32_t sessionID)
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: ReturnedColumn(sessionID), fOid(0), fData(token), fisColumnStore(true)
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{
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parse(token);
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setOID();
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fDistinct = false;
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}
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SimpleColumn::SimpleColumn(const string& schemaName, const string& tableName, const string& columnName,
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const uint32_t sessionID, const int lower_case_table_names)
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: ReturnedColumn(sessionID)
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, fSchemaName(schemaName)
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, fTableName(tableName)
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, fColumnName(columnName)
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, fisColumnStore(true)
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{
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setOID();
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fDistinct = false;
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if (lower_case_table_names)
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{
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boost::algorithm::to_lower(fSchemaName);
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boost::algorithm::to_lower(fTableName);
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}
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boost::algorithm::to_lower(fColumnName);
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}
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SimpleColumn::SimpleColumn(const string& schemaName, const string& tableName, const string& columnName,
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const bool isColumnStore, const uint32_t sessionID,
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const int lower_case_table_names)
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: ReturnedColumn(sessionID)
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, fSchemaName(schemaName)
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, fTableName(tableName)
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, fColumnName(columnName)
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, fisColumnStore(isColumnStore)
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{
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if (isColumnStore)
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setOID();
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fDistinct = false;
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if (lower_case_table_names)
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{
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boost::algorithm::to_lower(fSchemaName);
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boost::algorithm::to_lower(fTableName);
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}
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boost::algorithm::to_lower(fColumnName);
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}
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SimpleColumn::SimpleColumn(const SimpleColumn& rhs, const uint32_t sessionID)
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: ReturnedColumn(rhs, sessionID)
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, fSchemaName(rhs.schemaName())
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, fTableName(rhs.tableName())
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, fColumnName(rhs.columnName())
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, fOid(rhs.oid())
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, fTableAlias(rhs.tableAlias())
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, fData(rhs.data())
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, fIndexName(rhs.indexName())
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, fViewName(rhs.viewName())
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, fPartitions(rhs.fPartitions)
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, fTimeZone(rhs.timeZone())
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, fisColumnStore(rhs.isColumnStore())
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{
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}
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SimpleColumn::SimpleColumn(const ReturnedColumn& rhs, const uint32_t sessionID)
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: ReturnedColumn(rhs, sessionID), fData(rhs.data()), fisColumnStore(true)
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{
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}
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SimpleColumn::~SimpleColumn()
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{
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}
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/**
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* Methods
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*/
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const string SimpleColumn::data() const
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{
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if (!fData.empty())
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return fData;
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else if (!fTableAlias.empty())
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return string("`" + fSchemaName + "`.`" + fTableAlias + "`.`" + fColumnName + "`");
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return string("`" + fSchemaName + "`.`" + fTableName + "`.`" + fColumnName + "`");
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}
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SimpleColumn& SimpleColumn::operator=(const SimpleColumn& rhs)
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{
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if (this != &rhs)
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{
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fTableName = rhs.tableName();
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fColumnName = rhs.columnName();
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fOid = rhs.oid();
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fSchemaName = rhs.schemaName();
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fAlias = rhs.alias();
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fTableAlias = rhs.tableAlias();
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fAsc = rhs.asc();
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fIndexName = rhs.indexName();
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fViewName = rhs.viewName();
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fTimeZone = rhs.timeZone();
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fData = rhs.data();
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fSequence = rhs.sequence();
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fDistinct = rhs.distinct();
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fisColumnStore = rhs.isColumnStore();
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fPartitions = rhs.fPartitions;
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}
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return *this;
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}
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ostream& operator<<(ostream& output, const SimpleColumn& rhs)
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{
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output << rhs.toString();
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return output;
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}
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const string SimpleColumn::toString() const
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{
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static const char delim = '/';
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ostringstream output;
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ostringstream ossps;
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for (uint32_t i = 0; i < fPartitions.fPartNames.size(); i++)
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{
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if (i > 0)
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{
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ossps << ",";
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}
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ossps << fPartitions.fPartNames[i];
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}
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output << "SimpleColumn " << data() << endl;
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// collations in both result and operations type are the same and
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// set in the plugin code.
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datatypes::Charset cs(fResultType.charsetNumber);
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output << " s/t/ps/c/v/o/ct/TA/CA/RA/#/card/join/source/engine/colPos/cs/coll: " << schemaName() << delim
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<< tableName() << delim << ossps.str() << delim << columnName() << delim << viewName() << delim
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<< oid() << delim << colDataTypeToString(fResultType.colDataType) << delim << tableAlias() << delim
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<< alias() << delim << returnAll() << delim << sequence() << delim << cardinality() << delim
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<< joinInfo() << delim << colSource() << delim << (isColumnStore() ? "ColumnStore" : "ForeignEngine")
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<< delim << colPosition() << delim << cs.getCharset().cs_name.str << delim
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<< cs.getCharset().coll_name.str << " inputindex/outputindex: " << fInputIndex << delim
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<< fOutputIndex << " eid " << fExpressionId << endl;
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return output.str();
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}
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string SimpleColumn::toCppCode(IncludeSet& includes) const
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{
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includes.insert("simplecolumn.h");
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stringstream ss;
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ss << "SimpleColumn(" << std::quoted(fData) << ", SimpleColumn::ForTestPurposeWithoutOID{})";
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return ss.str();
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}
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void SimpleColumn::parse(const string& token)
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{
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// get schema name, table name and column name for token.
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string::size_type pos = token.find_first_of(".", 0);
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// if no '.' in column name, consider it a function name;
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if (pos == string::npos)
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{
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fData = token;
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fColumnName = token;
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return;
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}
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fSchemaName = token.substr(0, pos);
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string::size_type newPos = token.find_first_of(".", pos + 1);
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if (newPos == string::npos)
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{
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// only one '.' in column name, consider table.col pattern
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fTableName = fSchemaName;
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fColumnName = token.substr(pos + 1, token.length());
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return;
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}
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fTableName = token.substr(pos + 1, newPos - pos - 1);
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fColumnName = token.substr(newPos + 1, token.length());
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}
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void SimpleColumn::setOID()
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{
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boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(fSessionID);
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CalpontSystemCatalog::TableColName tcn;
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tcn = make_tcn(fSchemaName, fTableName, fColumnName);
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fOid = csc->lookupOID(tcn);
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if (fOid == -1)
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{
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// get colMap from CalpontSelectExecutionPlan
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// and try to map the schema and table name
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CalpontSelectExecutionPlan::ColumnMap::iterator iter;
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CalpontSelectExecutionPlan::ColumnMap colMap = CalpontSelectExecutionPlan::colMap();
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// if this is the only column name exist in the map, return it ??
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for (iter = colMap.find(fColumnName); iter != colMap.end(); ++iter)
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{
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SRCP srcp = iter->second;
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SimpleColumn* scp = dynamic_cast<SimpleColumn*>(srcp.get());
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if (colMap.count(fColumnName) == 1 || scp->tableName().compare(fTableName) == 0)
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{
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fOid = scp->oid();
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//@bug 221 fix
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fTableName = scp->tableName();
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fSchemaName = scp->schemaName();
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//@info assign tableAlias also. watch for other conflict
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fTableAlias = scp->tableAlias();
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fResultType = scp->resultType();
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return;
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}
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}
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}
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fResultType = csc->colType(fOid);
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}
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void SimpleColumn::serialize(messageqcpp::ByteStream& b) const
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{
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b << (ObjectReader::id_t)ObjectReader::SIMPLECOLUMN;
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ReturnedColumn::serialize(b);
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b << fSchemaName;
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b << fTableName;
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b << fColumnName;
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b << fIndexName;
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b << fViewName;
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messageqcpp::ByteStream::octbyte timeZone = fTimeZone;
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b << timeZone;
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b << (uint32_t)fOid;
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b << fData;
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b << fTableAlias;
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b << (uint32_t)fSequence;
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b << static_cast<ByteStream::doublebyte>(fisColumnStore);
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uint32_t nparts = fPartitions.fPartNames.size();
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b << nparts;
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for (uint32_t i = 0; i < nparts; i++)
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{
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b << fPartitions.fPartNames[i];
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}
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}
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void SimpleColumn::unserialize(messageqcpp::ByteStream& b)
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{
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ObjectReader::checkType(b, ObjectReader::SIMPLECOLUMN);
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ReturnedColumn::unserialize(b);
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b >> fSchemaName;
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b >> fTableName;
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b >> fColumnName;
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b >> fIndexName;
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b >> fViewName;
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messageqcpp::ByteStream::octbyte timeZone;
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b >> timeZone;
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fTimeZone = timeZone;
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b >> (uint32_t&)fOid;
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b >> fData;
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b >> fTableAlias;
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b >> (uint32_t&)fSequence;
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b >> reinterpret_cast<ByteStream::doublebyte&>(fisColumnStore);
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uint32_t nparts;
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b >> nparts;
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for (uint32_t i = 0; i < nparts; i++)
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{
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std::string temps;
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b >> temps;
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fPartitions.fPartNames.push_back(temps);
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}
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}
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bool SimpleColumn::operator==(const SimpleColumn& t) const
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{
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const ReturnedColumn *rc1, *rc2;
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rc1 = static_cast<const ReturnedColumn*>(this);
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rc2 = static_cast<const ReturnedColumn*>(&t);
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if (*rc1 != *rc2)
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return false;
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if (fSchemaName != t.fSchemaName)
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return false;
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if (fTableName != t.fTableName)
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return false;
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if (fColumnName != t.fColumnName)
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return false;
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if (fViewName != t.fViewName)
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return false;
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if (fTimeZone != t.fTimeZone)
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return false;
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if (fOid != t.fOid)
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return false;
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if (data() != t.data())
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return false;
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if (fTableAlias != t.fTableAlias)
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return false;
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if (fAsc != t.fAsc)
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return false;
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if (fReturnAll != t.fReturnAll)
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return false;
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if (fisColumnStore != t.fisColumnStore)
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return false;
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if (fPartitions != t.fPartitions)
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return false;
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return true;
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}
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bool SimpleColumn::operator==(const TreeNode* t) const
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{
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const SimpleColumn* sc;
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sc = dynamic_cast<const SimpleColumn*>(t);
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if (sc == NULL)
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return false;
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return *this == *sc;
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}
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bool SimpleColumn::operator!=(const SimpleColumn& t) const
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{
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return !(*this == t);
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}
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bool SimpleColumn::operator!=(const TreeNode* t) const
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{
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return !(*this == t);
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}
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bool SimpleColumn::sameColumn(const ReturnedColumn* rc) const
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{
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/** NOTE: Operations can still be merged on different table alias */
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const SimpleColumn* sc = dynamic_cast<const SimpleColumn*>(rc);
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if (!sc)
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return false;
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return (fSchemaName.compare(sc->schemaName()) == 0 && fTableName.compare(sc->tableName()) == 0 &&
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fColumnName.compare(sc->columnName()) == 0 && fTableAlias.compare(sc->tableAlias()) == 0 &&
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fViewName.compare(sc->viewName()) == 0 && fisColumnStore == sc->isColumnStore());
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}
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void SimpleColumn::setDerivedTable()
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{
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if (hasAggregate() || hasWindowFunc())
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{
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fDerivedTable = "";
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return;
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}
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ReturnedColumn* rc = dynamic_cast<ReturnedColumn*>(fDerivedRefCol);
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// @todo make aggregate filter to having clause. not optimize it for now
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if (rc)
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{
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if (rc->hasAggregate() || rc->hasWindowFunc())
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{
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fDerivedTable = "";
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return;
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}
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}
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// fDerivedTable is set at the parsing phase
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if (!fSchemaName.empty())
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fDerivedTable = "";
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}
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bool SimpleColumn::singleTable(CalpontSystemCatalog::TableAliasName& tan)
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{
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tan.table = fTableName;
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tan.schema = fSchemaName;
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tan.view = fViewName;
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tan.alias = fTableAlias;
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return true;
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}
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// @todo move to inline
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void SimpleColumn::evaluate(Row& row, bool& isNull)
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{
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bool isNull2 = row.isNullValue(fInputIndex);
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if (isNull2)
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{
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isNull = true;
|
|
return;
|
|
}
|
|
|
|
switch (fResultType.colDataType)
|
|
{
|
|
case CalpontSystemCatalog::DATE:
|
|
{
|
|
fResult.intVal = row.getUintField<4>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::DATETIME:
|
|
case CalpontSystemCatalog::TIMESTAMP:
|
|
case CalpontSystemCatalog::TIME:
|
|
{
|
|
fResult.intVal = row.getUintField<8>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::CHAR:
|
|
case CalpontSystemCatalog::VARCHAR:
|
|
case CalpontSystemCatalog::STRINT:
|
|
{
|
|
switch (row.getColumnWidth(fInputIndex))
|
|
{
|
|
case 1:
|
|
{
|
|
fResult.origIntVal = row.getUintField<1>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case 2:
|
|
{
|
|
fResult.origIntVal = row.getUintField<2>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case 3:
|
|
case 4:
|
|
{
|
|
fResult.origIntVal = row.getUintField<4>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case 5:
|
|
case 6:
|
|
case 7:
|
|
case 8:
|
|
{
|
|
fResult.origIntVal = row.getUintField<8>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
fResult.strVal = row.getStringField(fInputIndex);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (fResultType.colDataType == CalpontSystemCatalog::STRINT)
|
|
fResult.intVal = uint64ToStr(fResult.origIntVal);
|
|
else
|
|
fResult.intVal = atoll((char*)&fResult.origIntVal);
|
|
|
|
// MCOL-4580 - related, probably can be marked with XXX.
|
|
// This does not fail in any tests, but it is considered wrong.
|
|
// The reasonin behind that is that we changed signedness if characters to unsigned
|
|
// and it might be a case with short strings that they were copied as is using
|
|
// uint64ToStr encoding into int64_t values. So, potentially, unsuspecting code
|
|
// may use getUintVal instead of getIntVal to process short char column, getting
|
|
// unitialized value and give floating behavior.
|
|
// None of our tests failed, though.
|
|
fResult.uintVal = fResult.intVal;
|
|
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::BIGINT:
|
|
{
|
|
fResult.intVal = row.getIntField<8>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::INT:
|
|
case CalpontSystemCatalog::MEDINT:
|
|
{
|
|
fResult.intVal = row.getIntField<4>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::SMALLINT:
|
|
{
|
|
fResult.intVal = row.getIntField<2>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::TINYINT:
|
|
{
|
|
fResult.intVal = row.getIntField<1>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
// In this case, we're trying to load a double output column with float data. This is the
|
|
// case when you do sum(floatcol), e.g.
|
|
case CalpontSystemCatalog::FLOAT:
|
|
case CalpontSystemCatalog::UFLOAT:
|
|
{
|
|
fResult.floatVal = row.getFloatField(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::DOUBLE:
|
|
case CalpontSystemCatalog::UDOUBLE:
|
|
{
|
|
fResult.doubleVal = row.getDoubleField(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::LONGDOUBLE:
|
|
{
|
|
fResult.longDoubleVal = row.getLongDoubleField(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::DECIMAL:
|
|
case CalpontSystemCatalog::UDECIMAL:
|
|
{
|
|
switch (fResultType.colWidth)
|
|
{
|
|
case 16:
|
|
{
|
|
fResult.decimalVal.s128Value = row.getTSInt128Field(fInputIndex).getValue();
|
|
break;
|
|
}
|
|
case 1:
|
|
{
|
|
fResult.decimalVal.value = row.getIntField<1>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case 2:
|
|
{
|
|
fResult.decimalVal.value = row.getIntField<2>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case 4:
|
|
{
|
|
fResult.decimalVal.value = row.getIntField<4>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
fResult.decimalVal.value = (int64_t)row.getUintField<8>(fInputIndex);
|
|
break;
|
|
}
|
|
}
|
|
|
|
fResult.decimalVal.scale = (unsigned)fResultType.scale;
|
|
fResult.decimalVal.precision = (unsigned)fResultType.precision;
|
|
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::VARBINARY:
|
|
case CalpontSystemCatalog::BLOB:
|
|
case CalpontSystemCatalog::TEXT:
|
|
{
|
|
fResult.strVal.assign(row.getVarBinaryField(fInputIndex), row.getVarBinaryLength(fInputIndex));
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::UBIGINT:
|
|
{
|
|
fResult.uintVal = row.getUintField<8>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::UINT:
|
|
case CalpontSystemCatalog::UMEDINT:
|
|
{
|
|
fResult.uintVal = row.getUintField<4>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::USMALLINT:
|
|
{
|
|
fResult.uintVal = row.getUintField<2>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
case CalpontSystemCatalog::UTINYINT:
|
|
{
|
|
fResult.uintVal = row.getUintField<1>(fInputIndex);
|
|
break;
|
|
}
|
|
|
|
default: // treat as int64
|
|
{
|
|
fResult.intVal = row.getUintField<8>(fInputIndex);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace execplan
|