mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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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: we_xmlgenproc.h 4450 2013-01-21 14:13:24Z rdempsey $
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*
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***********************************************************************/
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/** @file */
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#pragma once
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#include <libxml/parser.h>
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#include <libxml/xmlwriter.h>
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#include <string>
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#include <vector>
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#include "calpontsystemcatalog.h"
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#include "we_log.h"
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#include "we_xmlgendata.h"
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#define EXPORT
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namespace WriteEngine
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{
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struct SysCatColumn
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{
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execplan::CalpontSystemCatalog::OID oid;
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execplan::CalpontSystemCatalog::ColType colType;
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execplan::CalpontSystemCatalog::TableColName tableColName;
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};
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typedef std::vector<SysCatColumn> SysCatColumnList;
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class XMLGenData;
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/** @brief Generates job_xxx.xml file (for cpimport.bin) using XMLGenData as
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* input. Can also be used to generate an XML-formatted report.
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*
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* This class was moved from XMLProc, formerly in tools/dbloadxml. It was
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* moved to writeengine/xml so that both colxml and cpimport.bin could use it.
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*/
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class XMLGenProc
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{
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public:
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/** @brief XMLGenProc constructor
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*
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* @param mgr The input data used to generate a Job XML file.
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* @param bUseXmlLogFile Log info/errors to Job XML log file.
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* @param bSysCatRpt Generating SysCat report (true) or XML file (false)
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*/
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EXPORT XMLGenProc(XMLGenData* mgr, bool bUseXmlLogFile, bool bSysCatRpt);
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EXPORT ~XMLGenProc();
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/** @brief start constructing XML file document.
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*/
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EXPORT void startXMLFile();
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/** @brief Creates table tag for the specified table.
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*
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* @param table Name of table for which the table tag is to be generated.
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*/
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EXPORT void makeTableData(const execplan::CalpontSystemCatalog::TableName& table,
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const std::string& tableOIDStr);
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EXPORT void makeTableData(const execplan::CalpontSystemCatalog::TableName& table);
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/** @brief Creates column tags for the specified table.
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*
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* @param table Name of table for which the column tags are to be generated.
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* @return true means column tags created; else false is returned
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*/
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EXPORT bool makeColumnData(const execplan::CalpontSystemCatalog::TableName& table);
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/** @brief Generate Job XML file name
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*/
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EXPORT std::string genJobXMLFileName() const;
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/** @brief Write xml file document to the destination Job XML file.
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*
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* @param xmlFileName Name of XML file to be generated.
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*/
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EXPORT void writeXMLFile(const std::string& xmlFileName);
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/** @brief log a message.
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*
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* @param msg The message to be logged to the error log file.
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*/
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EXPORT void logErrorMessage(const std::string& msg);
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std::string errorString()
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{
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return fErrorString;
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}
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/** @brief set debug level
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*/
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void setDebugLevel(int dbg)
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{
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fDebugLevel = dbg;
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}
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protected:
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private:
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XMLGenProc(const XMLGenProc&); // disable default copy ctor
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XMLGenProc& operator=(const XMLGenProc&); // disable default assignment
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void getColumnsForTable(const std::string& schema, const std::string& table, SysCatColumnList& colList);
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void sortColumnsByPosition(SysCatColumnList& columns);
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Log fLog;
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xmlDocPtr fDoc;
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xmlTextWriterPtr fWriter;
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std::string fErrorString;
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int fDebugLevel;
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XMLGenData* fInputMgr; // Input data used to generate Job XML file
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bool fSysCatRpt; // True colxml output or a syscat report
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bool fUseXmlLogFile; // Log info/errors to Job XML log file
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};
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} // namespace WriteEngine
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#undef EXPORT
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