the begginning

dbcon/dmlpackageproc/deletepackageprocessor.h

@@ -0,0 +1,93 @@
+/* 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: deletepackageprocessor.h 9302 2013-03-07 16:06:59Z chao $
+ *
+ *
+ ***********************************************************************/
+/** @file */
+
+#ifndef DELETEPACKAGEPROCESSOR_H
+#define DELETEPACKAGEPROCESSOR_H
+#include <string>
+#include <iostream>
+#include <vector>
+#include "dmlpackageprocessor.h"
+#include "dmltable.h"
+#include <vector>
+#include "joblist.h"
+
+#if defined(_MSC_VER) && defined(DMLPKGPROC_DLLEXPORT)
+#define EXPORT __declspec(dllexport)
+#else
+#define EXPORT
+#endif
+
+namespace dmlpackageprocessor
+{
+/** @brief concrete implementation of a DMLPackageProcessor.
+ * Specifically for interacting with the Write Engine to
+ * process DELETE dml statements.
+ */
+class DeletePackageProcessor : public DMLPackageProcessor
+{
+
+public:
+
+    DeletePackageProcessor(BRM::DBRM* aDbrm, uint32_t sid) : DMLPackageProcessor(aDbrm, sid){}
+    /** @brief process a DeleteDMLPackage
+      *
+      * @param cpackage the delete dml package to process
+      */
+   EXPORT DMLResult processPackage(dmlpackage::CalpontDMLPackage& cpackage);
+
+protected:
+
+private:
+
+	 /** @brief delete a row
+      *
+      * @param txnID the transaction id
+      * @param tablePtr a pointer to the table that is being operated on
+      * @param rowIDList upon return containts the row ids of the rows deleted
+      * @param colOldValuesList upon return contains the values the were delete
+      * @param result upon return will containt the result of the operation
+    bool deleteRows(execplan::CalpontSystemCatalog::SCN txnID, dmlpackage::DMLTable* tablePtr,
+                   WriteEngine::RIDList& rowIDList, WriteEngine::ColValueList& colOldValuesList,
+                   DMLResult& result);
+	  */
+    bool processRowgroup(messageqcpp::ByteStream & aRowGroup, DMLResult& result, const uint64_t uniqueId, dmlpackage::CalpontDMLPackage& cpackage, std::map<unsigned, bool>& pmStateDel, 
+						bool isMeta = false, uint32_t dbroot=1);
+
+
+    /** @brief add all rows if we have no filter for the delete
+      *
+      * @param tablePtr a pointer to the table that is being operated on
+      */
+   uint64_t fixUpRows(dmlpackage::CalpontDMLPackage& cpackage, DMLResult& result, const uint64_t uniqueId, const uint32_t tableOid);
+   bool receiveAll(DMLResult& result, const uint64_t uniqueId, std::vector<int>& fPMs, std::map<unsigned, bool>& pmStateDel, const uint32_t tableOid);
+   
+	//bandListsByExtent bandListsMap;
+
+};
+
+} // namespace dmlpackageprocessor
+
+#undef EXPORT
+
+#endif  // DELETEPACKAGEPROCESSOR_H