the begginning

dbcon/ddlpackageproc/dropindexprocessor.cpp

@@ -0,0 +1,109 @@
+/* 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: dropindexprocessor.cpp 9210 2013-01-21 14:10:42Z rdempsey $
+ *
+ *
+ ***********************************************************************/
+
+#include "dropindexprocessor.h"
+#include "messagelog.h"
+#include "sqllogger.h"
+
+using namespace execplan;
+using namespace logging;
+
+namespace ddlpackageprocessor
+{
+DropIndexProcessor::DDLResult DropIndexProcessor::processPackage(ddlpackage::DropIndexStatement& dropIndexStmt)
+{
+    SUMMARY_INFO("DropIndexProcessor::processPackage");
+
+    boost::shared_ptr<CalpontSystemCatalog> sysCatalogPtr = CalpontSystemCatalog::makeCalpontSystemCatalog( dropIndexStmt.fSessionID );
+    CalpontSystemCatalog::IndexName indexName;
+    CalpontSystemCatalog::IndexOID indexOID;
+
+    BRM::TxnID txnID;
+	txnID.id= fTxnid.id;
+	txnID.valid= fTxnid.valid;
+	
+    DDLResult result;
+    result.result = NO_ERROR;
+
+    int err = 0;
+
+    VERBOSE_INFO(dropIndexStmt);
+
+	SQLLogger logger(dropIndexStmt.fSql, fDDLLoggingId, dropIndexStmt.fSessionID, txnID.id);
+
+	indexName.schema = dropIndexStmt.fIndexName->fSchema;
+    indexName.index  = dropIndexStmt.fIndexName->fName;
+    //Look up table name from indexname. Oracle will error out if same constraintname or indexname exists.
+    CalpontSystemCatalog::TableName tableName = sysCatalogPtr->lookupTableForIndex (dropIndexStmt.fIndexName->fName, dropIndexStmt.fIndexName->fSchema );
+    indexName.table = tableName.table;
+    indexOID = sysCatalogPtr->lookupIndexNbr(indexName);
+    
+    VERBOSE_INFO("Removing the SYSINDEX meta data");
+    removeSysIndexMetaData(dropIndexStmt.fSessionID, txnID.id, result, *dropIndexStmt.fIndexName);
+    if (result.result != NO_ERROR)
+    {
+        DETAIL_INFO("writeSysIndexMetaData failed");
+        goto rollback;
+    }
+
+    VERBOSE_INFO("Removing the SYSINDEXCOL meta data");
+    removeSysIndexColMetaData(dropIndexStmt.fSessionID, txnID.id, result, *dropIndexStmt.fIndexName);
+    if (result.result != NO_ERROR)
+    {
+        DETAIL_INFO("writeSysIndexMetaData failed");
+        goto rollback;
+    }
+
+
+    VERBOSE_INFO("Removing the index files");
+    err = fWriteEngine.dropIndex(txnID.id, indexOID.objnum,indexOID.listOID);
+    if (err)
+    {
+        DETAIL_INFO("WriteEngine dropIndex failed");
+        goto rollback;
+    }
+
+    // Log the DDL statement
+    logging::logDDL(dropIndexStmt.fSessionID, txnID.id, dropIndexStmt.fSql, dropIndexStmt.fOwner);
+
+    // register the changes
+    err = fWriteEngine.commit( txnID.id );
+    if (err)
+    {
+        DETAIL_INFO("Failed to commit the drop index transaction");
+        goto rollback;
+    }
+    fSessionManager.committed(txnID);
+    //fObjectIDManager.returnOID(indexOID.objnum);
+    //fObjectIDManager.returnOID(indexOID.listOID);
+    return result;
+
+rollback:
+    fWriteEngine.rollbackTran(txnID.id, dropIndexStmt.fSessionID);
+    fSessionManager.rolledback(txnID);
+    return result;
+}
+
+
+
+}                                                 // namespace ddlpackageprocessor