mariadb-columnstore-engine/dbcon/ddlpackageproc/altertableprocessor.h

/* 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: altertableprocessor.h 9303 2013-03-07 16:07:12Z chao $
 *
 *
 ***********************************************************************/
/** @file */
#pragma once

#include "ddlpackageprocessor.h"

#define EXPORT

namespace ddlpackageprocessor
{
/** @brief specialization of a DDLPackageProcessor
 * for interacting with the Write Engine
 * to process alter table ddl statements.
 */
class AlterTableProcessor : public DDLPackageProcessor
{
 public:
  AlterTableProcessor(BRM::DBRM* aDbrm) : DDLPackageProcessor(aDbrm)
  {
  }
  /** @brief add a physical column file
   *
   * @param result the result of the operation
   * @param addColumn the AtaAddColumn object
   * @param fTableName the QualifiedName of the table
   */
  EXPORT void addColumn(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID, DDLResult& result,
                        ddlpackage::ColumnDef* columnDefPtr, ddlpackage::QualifiedName& fTableName,
                        const uint64_t uniqueId);

  /** @brief drop a column
   *
   * @param result the result of the operation
   * @param ataDropColumn the AtaDropColumn object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void dropColumn(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID, DDLResult& result,
                         ddlpackage::AtaDropColumn& ataDropColumn, ddlpackage::QualifiedName& fTableName,
                         const uint64_t uniqueId);

  /** @brief drop columns
   *
   * @param result the result of the operation
   * @param ataDropColumns the AtaDropColumn object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void dropColumns(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID, DDLResult& result,
                          ddlpackage::AtaDropColumns& ataDropColumns, ddlpackage::QualifiedName& fTableName,
                          const uint64_t uniqueId);

  /** @brief add table constraint
   *
   * @param result the result of the operation
   * @param ataAddTableConstraint the AtaDropColumn object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void addTableConstraint(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID,
                                 DDLResult& result, ddlpackage::AtaAddTableConstraint& ataAddTableConstraint,
                                 ddlpackage::QualifiedName& fTableName);

  /** @brief set column default
   *
   * @param result the result of the operation
   * @param ataSetColumnDefault the AtaSetColumnDefault object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void setColumnDefault(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID,
                               DDLResult& result, ddlpackage::AtaSetColumnDefault& ataSetColumnDefault,
                               ddlpackage::QualifiedName& fTableName, const uint64_t uniqueId);

  /** @brief drop column default
   *
   * @param result the result of the operation
   * @param ataDropColumnDefault the AtaDropColumnDefault object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void dropColumnDefault(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID,
                                DDLResult& result, ddlpackage::AtaDropColumnDefault& ataDropColumnDefault,
                                ddlpackage::QualifiedName& fTableName, const uint64_t uniqueId);

  /** @brief drop table constraint
   *
   * @param result the result of the operation
   * @param ataDropTableConstraint the AtaDropTableConstraint object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void dropTableConstraint(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID,
                                  DDLResult& result,
                                  ddlpackage::AtaDropTableConstraint& ataDropTableConstraint,
                                  ddlpackage::QualifiedName& fTableName);
  /** @brief rename a table
   *
   * @param result the result of the operation
   * @param ataRenameTable the AtaRenameTable object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void renameTable(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID, DDLResult& result,
                          ddlpackage::AtaRenameTable& ataRenameTable, ddlpackage::QualifiedName& fTableName,
                          const uint64_t uniqueId);

  /** @brief rename a column
   *
   * @param result the result of the operation
   * @param ataRenameColumn the AtaRenameColumn object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void renameColumn(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID, DDLResult& result,
                           ddlpackage::AtaRenameColumn& ataRenameColumn,
                           ddlpackage::QualifiedName& fTableName, const uint64_t uniqueId);

  /** @brief change a table autoincrement via a comment
   *
   * @param result the result of the operation
   * @param ataTableComment the AtaTableComment object
   * @param fTableName the QualifiedName for the table
   */
  EXPORT void tableComment(uint32_t sessionID, execplan::CalpontSystemCatalog::SCN txnID, DDLResult& result,
                           ddlpackage::AtaTableComment& ataTableComment,
                           ddlpackage::QualifiedName& fTableName, const uint64_t uniqueId);

  long fTimeZone;

 protected:
  void rollBackAlter(const std::string& error, BRM::TxnID txnID, int sessionId, DDLResult& result,
                     uint64_t uniqueId);

 private:
  /** @brief process an alter table statement
   *
   * @param alterTableStmt the AlterTableStatement
   */
  DDLResult processPackageInternal(ddlpackage::SqlStatement* alterTableStmt) override;
};

}  // namespace ddlpackageprocessor

#undef EXPORT