Added .cpp and .h files under the sql/src subdirectory

git-svn-id: https://svn.code.sf.net/p/flaim/code/trunk@469 0109f412-320b-0410-ab79-c3e0c5ffbbe6
2006-05-26 23:17:49 +00:00
parent dc6cd8b9cb
commit 021073907f
82 changed files with 97516 additions and 0 deletions
--- a/sql/src/kyunlock.cpp
+++ b/sql/src/kyunlock.cpp
@@ -0,0 +1,139 @@
+//------------------------------------------------------------------------------
+// Desc:	This file contains the routines to initialize and set up
+//			structures for indexing.
+//
+// Tabs:	3
+//
+//		Copyright (c) 1992-2000, 2002-2006 Novell, Inc. All Rights Reserved.
+//
+//		This program is free software; you can redistribute it and/or
+//		modify it under the terms of version 2 of the GNU General Public
+//		License as published by the Free Software Foundation.
+//
+//		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, contact Novell, Inc.
+//
+//		To contact Novell about this file by physical or electronic mail,
+//		you may find current contact information at www.novell.com
+//
+// $Id: kyunlock.cpp 3115 2006-01-19 13:24:39 -0700 (Thu, 19 Jan 2006) dsanders $
+//------------------------------------------------------------------------------
+
+#include "flaimsys.h"
+
+/****************************************************************************
+Desc:	Setup routine for the KREF_CNTRL structure for record updates.
+****************************************************************************/
+RCODE F_Db::krefCntrlCheck( void)
+{
+	RCODE	rc = NE_SFLM_OK;
+
+	// Check if we need to flush keys between updates, but not during the
+	// processing of an update.
+
+	if( m_bKrefSetup)
+	{
+		if (isKrefOverThreshold())
+		{
+			if (RC_BAD( rc = keysCommit( FALSE)))
+			{
+				goto Exit;
+			}
+		}
+	}
+	else
+	{
+		m_uiKrefCount = 0;
+		m_uiTotalKrefBytes = 0;
+		m_pKrefPool = NULL;
+		m_bReuseKrefPool = FALSE;
+		m_bKrefCompoundKey = FALSE;
+		m_pKrefReset = NULL;
+		m_bKrefSetup = TRUE;
+
+		if (m_eTransType == SFLM_UPDATE_TRANS)
+		{
+			m_pKrefPool = &m_pDatabase->m_krefPool;
+			
+			m_bReuseKrefPool = TRUE;
+			m_pKrefPool->poolReset( NULL, TRUE);
+		}
+		else
+		{
+			m_tmpKrefPool.poolFree();
+			m_tmpKrefPool.poolInit( DEFAULT_KREF_POOL_BLOCK_SIZE);
+			m_pKrefPool = &m_tmpKrefPool;
+			
+			m_bReuseKrefPool = FALSE;
+		}
+
+		if( !m_pKrefTbl)
+		{
+			if( RC_BAD( rc = f_alloc( 
+				DEFAULT_KREF_TBL_SIZE * sizeof( KREF_ENTRY *), &m_pKrefTbl)))
+			{
+				goto Exit;
+			}
+
+			m_uiKrefTblSize = DEFAULT_KREF_TBL_SIZE;
+		}
+		
+		if( !m_pucKrefKeyBuf)
+		{
+			if (RC_BAD( rc = f_alloc( SFLM_MAX_KEY_SIZE, &m_pucKrefKeyBuf)))
+			{
+				goto Exit;
+			}
+		}
+	}
+
+	m_pKrefReset = m_pKrefPool->poolMark();
+	flmAssert( m_pucKrefKeyBuf);
+
+Exit:
+
+	if (RC_BAD( rc))
+	{
+		krefCntrlFree();
+	}
+
+	return( rc);
+}
+
+/****************************************************************************
+Desc:	Frees the memory associated with the KREF
+****************************************************************************/
+void F_Db::krefCntrlFree( void)
+{
+	if( m_bKrefSetup)
+	{
+		if( m_bReuseKrefPool)
+		{
+			m_pKrefPool->poolReset( NULL, TRUE);
+		}
+		else
+		{
+			m_pKrefPool->poolFree();
+			m_pKrefPool->poolInit( DEFAULT_KREF_POOL_BLOCK_SIZE);
+		}
+		
+		m_pKrefPool = NULL;
+		if( m_pKrefTbl && m_uiKrefTblSize != DEFAULT_KREF_TBL_SIZE)
+		{
+			f_free( &m_pKrefTbl);
+			m_uiKrefTblSize = 0;
+		}
+
+		m_uiKrefCount = 0;
+		m_uiTotalKrefBytes = 0;
+		m_bReuseKrefPool = FALSE;
+		m_bKrefCompoundKey = FALSE;
+		m_pKrefReset = NULL;
+		m_bKrefSetup = FALSE;
+	}
+}