package org.tmatesoft.svn.core.internal.wc17.db.statement;
import org.tmatesoft.sqljet.core.SqlJetException;
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;
import org.tmatesoft.svn.core.internal.wc17.db.ISVNWCDb;
import org.tmatesoft.svn.core.internal.wc17.db.SvnWcDbStatementUtil;
/**
* SELECT local_relpath, kind FROM nodes n
* WHERE wc_id = ?1 AND IS_STRICT_DESCENDANT_OF(local_relpath, ?2)
* AND op_depth = 0
* AND presence in (MAP_NORMAL, MAP_INCOMPLETE)
* AND NOT EXISTS(SELECT 1 FROM NODES w
* WHERE w.wc_id = ?1 AND w.local_relpath = n.local_relpath
* AND op_depth > 0)
* ORDER BY local_relpath DESC
*
* @author TMate Software Ltd.
*/
public class SVNWCDbSelectBasePresent extends SVNSqlJetSelectFieldsStatement<SVNWCDbSchema.NODES__Fields> {
private SVNWCDbNodesMinOpDepth minOpDepthSelect;
public SVNWCDbSelectBasePresent(SVNSqlJetDb sDb) throws SVNException {
super(sDb, SVNWCDbSchema.NODES);
minOpDepthSelect = new SVNWCDbNodesMinOpDepth(sDb, 1);
}
@Override
protected void defineFields() {
fields.add(SVNWCDbSchema.NODES__Fields.local_relpath);
fields.add(SVNWCDbSchema.NODES__Fields.kind);
}
@Override
protected Object[] getWhere() throws SVNException {
return new Object[] {getBind(1)};
}
@Override
protected String getPathScope() {
return getBind(2).toString();
}
@Override
protected boolean isStrictiDescendant() {
return true;
}
@Override
protected boolean isFilterPassed() throws SVNException {
ISVNWCDb.SVNWCDbStatus presence = SvnWcDbStatementUtil.getColumnPresence(this, SVNWCDbSchema.NODES__Fields.presence);
return getColumnLong(SVNWCDbSchema.NODES__Fields.op_depth) == 0 &&
(presence == ISVNWCDb.SVNWCDbStatus.Normal || presence == ISVNWCDb.SVNWCDbStatus.Incomplete) &&
minOpDepthSelect.getMinOpDepth((Long)getBind(1), getColumnString(SVNWCDbSchema.NODES__Fields.local_relpath)) == null;
}
@Override
protected ISqlJetCursor openCursor() throws SVNException {
ISqlJetCursor cursor = super.openCursor();
if (cursor != null) {
try {
cursor = cursor.reverse();
} catch (SqlJetException e) {
SVNSqlJetDb.createSqlJetError(e);
}
}
return cursor;
}
//TODO: implement ORDER BY
}