/*
* Copyright (C) 2003-2010 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* 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, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.services.jcr.impl.storage.jdbc.optimisation.db;
import org.exoplatform.services.jcr.impl.storage.jdbc.JDBCDataContainerConfig;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* Created by The eXo Platform SAS
* Author : Nicolas Filotto
* nicolas.filotto@exoplatform.com
* 19 mars 2010
*/
public class OracleSingleDbJDBCConnection extends SingleDbJDBCConnection
{
protected static final String FIND_NODES_BY_PARENTID_CQ_QUERY =
SingleDbJDBCConnection.FIND_NODES_BY_PARENTID_CQ_QUERY
.replaceFirst("select",
"select /*+ INDEX(I JCR_IDX_SITEM_PARENT_ID) INDEX(P JCR_IDX_SITEM_PARENT_ID) INDEX(V JCR_IDX_SVALUE_PROPERTY)*/");
protected static final String FIND_PROPERTIES_BY_PARENTID_CQ_QUERY =
SingleDbJDBCConnection.FIND_PROPERTIES_BY_PARENTID_CQ_QUERY.replaceFirst("select",
"select /*+ INDEX(I JCR_IDX_SITEM_PARENT_ID) INDEX(V JCR_IDX_SVALUE_PROPERTY)*/");
protected static final String FIND_ITEM_QPATH_BY_ID_CQ_QUERY =
SingleDbJDBCConnection.FIND_ITEM_QPATH_BY_ID_CQ_QUERY.replaceFirst("SELECT",
"SELECT /*+ INDEX(JCR_SITEM JCR_PK_SITEM) */");
/**
* Oracle Singledatabase JDBC Connection constructor.
*
* @param dbConnection
* JDBC connection, should be opened before
* @param readOnly
* boolean if true the dbConnection was marked as READ-ONLY.
* @param containerConfig
* Workspace Storage Container configuration
*/
public OracleSingleDbJDBCConnection(Connection dbConnection, boolean readOnly, JDBCDataContainerConfig containerConfig)
throws SQLException
{
super(dbConnection, readOnly, containerConfig);
}
/**
* {@inheritDoc}
*/
@Override
protected void prepareQueries() throws SQLException
{
super.prepareQueries();
FIND_NODES_BY_PARENTID_CQ = FIND_NODES_BY_PARENTID_CQ_QUERY;
FIND_PROPERTIES_BY_PARENTID_CQ = FIND_PROPERTIES_BY_PARENTID_CQ_QUERY;
FIND_ITEM_QPATH_BY_ID_CQ = FIND_ITEM_QPATH_BY_ID_CQ_QUERY;
FIND_PROPERTIES_BY_PARENTID_AND_PATTERN_CQ_TEMPLATE =
"select /*+ INDEX(I JCR_FK_SITEM_PARENT) INDEX(V JCR_IDX_SVALUE_PROPERTY)*/"
+ " I.ID, I.PARENT_ID, I.NAME, I.VERSION, I.I_CLASS, I.I_INDEX, I.N_ORDER_NUM, I.P_TYPE, I.P_MULTIVALUED,"
+ " V.ORDER_NUM, V.DATA, V.STORAGE_DESC from JCR_SITEM I LEFT OUTER JOIN JCR_SVALUE V ON (V.PROPERTY_ID=I.ID)";
FIND_NODES_AND_PROPERTIES =
"select J.*, P.ID AS P_ID, P.NAME AS P_NAME, P.VERSION AS P_VERSION, P.P_TYPE, P.P_MULTIVALUED,"
+ " V.DATA, V.ORDER_NUM, V.STORAGE_DESC from JCR_SVALUE V, JCR_SITEM P"
+ " join ( select * from ( select A.*, ROWNUM r__ from ("
+ " select I.ID, I.PARENT_ID, I.NAME, I.VERSION, I.I_INDEX, I.N_ORDER_NUM from JCR_SITEM I "
+ " where I.CONTAINER_NAME=? and I.I_CLASS=1 order by I.ID"
+ " ) A where ROWNUM <= ?) where r__ > ?) J on P.PARENT_ID = J.ID"
+ " where P.I_CLASS=2 and P.CONTAINER_NAME=? and V.PROPERTY_ID=P.ID order by J.ID";
if (containerConfig.useSequenceForOrderNumber)
{
FIND_NODES_BY_PARENTID_LAZILY_CQ =
"select /*+ USE_NL(V) INDEX(I JCR_IDX_SITEM_N_ORDER_NUM) INDEX(P JCR_IDX_SITEM_PARENT_FK) INDEX(V JCR_IDX_SVALUE_PROPERTY) */"
+ " I.*, P.NAME AS PROP_NAME, V.ORDER_NUM, V.DATA from JCR_SVALUE V, JCR_SITEM P "
+ " join ( select * from ( select A.*, ROWNUM r__ from ( select J.* from JCR_SITEM J "
+ " where J.CONTAINER_NAME=? and J.I_CLASS=1 and J.PARENT_ID=? order by J.N_ORDER_NUM, J.ID "
+ " ) A where ROWNUM <= ?) where r__ > ?) I on P.PARENT_ID = I.ID"
+ " where P.I_CLASS=2 and P.CONTAINER_NAME=? and P.PARENT_ID=I.ID and"
+ " (P.NAME='[http://www.jcp.org/jcr/1.0]primaryType' or"
+ " P.NAME='[http://www.jcp.org/jcr/1.0]mixinTypes' or"
+ " P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]owner' or"
+ " P.NAME='[http://www.exoplatform.com/jcr/exo/1.0]permissions')"
+ " and V.PROPERTY_ID=P.ID order by I.N_ORDER_NUM, I.ID";
FIND_LAST_ORDER_NUMBER = "SELECT " + JCR_ITEM_NEXT_VAL + " ('" + JCR_ITEM_SEQ + "', ?, ?) FROM dual";
}
else
{
FIND_NODES_BY_PARENTID_LAZILY_CQ =
FIND_NODES_BY_PARENTID_LAZILY_CQ
.replaceFirst(
"select",
"select /*+ USE_NL(V) INDEX(I JCR_IDX_SITEM_N_ORDER_NUM) INDEX(P JCR_IDX_SITEM_PARENT_FK)"
+ " INDEX(V JCR_IDX_SVALUE_PROPERTY) */ ");
}
FIND_ITEM_BY_NAME = FIND_ITEM_BY_NAME.replaceFirst("select", "select /*+ INDEX(I JCR_IDX_SITEM_PARENT) */");
FIND_NODE_MAIN_PROPERTIES_BY_PARENTID_CQ =
FIND_NODE_MAIN_PROPERTIES_BY_PARENTID_CQ.replaceFirst("select",
"select /*+ INDEX(I JCR_IDX_SITEM_PARENT_NAME) */");
DELETE_ITEM = "delete /*+ INDEX(I JCR_PK_SITEM)*/ from JCR_SITEM I where I.ID=?";
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findNodesAndProperties(String lastNodeId, int offset, int limit) throws SQLException
{
if (findNodesAndProperties == null)
{
findNodesAndProperties = dbConnection.prepareStatement(FIND_NODES_AND_PROPERTIES);
}
else
{
findNodesAndProperties.clearParameters();
}
findNodesAndProperties.setString(1, this.containerConfig.containerName);
findNodesAndProperties.setInt(2, offset + limit);
findNodesAndProperties.setInt(3, offset);
findNodesAndProperties.setString(4, this.containerConfig.containerName);
return findNodesAndProperties.executeQuery();
}
/**
* {@inheritDoc}
*/
@Override
protected ResultSet findChildNodesByParentIdentifier(String parentCid, int fromOrderNum, int offset, int limit)
throws SQLException
{
if (!containerConfig.useSequenceForOrderNumber)
{
return super.findChildNodesByParentIdentifier(parentCid,fromOrderNum,offset,limit);
}
if (findNodesByParentIdLazilyCQ == null)
{
findNodesByParentIdLazilyCQ = dbConnection.prepareStatement(FIND_NODES_BY_PARENTID_LAZILY_CQ);
}
else
{
findNodesByParentIdLazilyCQ.clearParameters();
}
findNodesByParentIdLazilyCQ.setString(1, this.containerConfig.containerName);
findNodesByParentIdLazilyCQ.setString(2, parentCid);
findNodesByParentIdLazilyCQ.setInt(3, offset + limit);
findNodesByParentIdLazilyCQ.setInt(4, offset);
findNodesByParentIdLazilyCQ.setString(5, this.containerConfig.containerName);
return findNodesByParentIdLazilyCQ.executeQuery();
}
}