/*
* ====================================================================
* Copyright (c) 2004-2010 TMate Software Ltd. All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://svnkit.com/license.html.
* If newer versions of this license are posted there, you may use a
* newer version instead, at your option.
* ====================================================================
*/
package org.tmatesoft.svn.core.internal.wc17.db.statement;
import org.tmatesoft.sqljet.core.table.ISqlJetCursor;
import org.tmatesoft.svn.core.SVNException;
import org.tmatesoft.svn.core.internal.db.SVNSqlJetDb;
import org.tmatesoft.svn.core.internal.db.SVNSqlJetSelectFieldsStatement;
/**
* SELECT local_relpath FROM nodes
* WHERE wc_id = ?1 AND parent_relpath = ?2
* AND (op_depth > (SELECT MAX(op_depth) FROM nodes
* WHERE wc_id = ?1 AND local_relpath = ?2)
* OR
* (op_depth = (SELECT MAX(op_depth) FROM nodes
* WHERE wc_id = ?1 AND local_relpath = ?2)
* AND presence != 'base-deleted'))
* @author TMate Software Ltd.
*/
public class SVNWCDbSelectWorkingChildren extends SVNSqlJetSelectFieldsStatement<SVNWCDbSchema.NODES__Fields> {
private long parentMaxOpDepth;
public SVNWCDbSelectWorkingChildren(SVNSqlJetDb sDb) throws SVNException {
super(sDb, SVNWCDbSchema.NODES, SVNWCDbSchema.NODES__Indices.I_NODES_PARENT);
}
protected void defineFields() {
fields.add(SVNWCDbSchema.NODES__Fields.local_relpath);
}
protected boolean isFilterPassed() throws SVNException {
long rowOpDepth = getColumnLong(SVNWCDbSchema.NODES__Fields.op_depth);
if (rowOpDepth > parentMaxOpDepth) {
return true;
}
String presence = getColumnString(SVNWCDbSchema.NODES__Fields.presence);
if (!"base-deleted".equals(presence)) {
return rowOpDepth == parentMaxOpDepth;
}
return false;
}
@Override
protected Object[] getWhere() throws SVNException {
return new Object[] {getBind(1), getBind(2)};
}
@Override
protected ISqlJetCursor openCursor() throws SVNException {
SVNWCDbNodesMaxOpDepth maxOpDepth = new SVNWCDbNodesMaxOpDepth(sDb, 0);
parentMaxOpDepth = maxOpDepth.getMaxOpDepth((Long) getBind(1), (String) getBind(2));
return super.openCursor();
}
}