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.SVNErrorCode;
import org.tmatesoft.svn.core.SVNErrorMessage;
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.wc.SVNErrorManager;
import org.tmatesoft.svn.util.SVNLogType;
/**
* SELECT local_relpath, moved_to, op_depth,
* (SELECT CASE WHEN r.moved_here THEN r.op_depth END FROM nodes r
* WHERE r.wc_id = ?1
* AND r.local_relpath = n.local_relpath
* AND r.op_depth < n.op_depth
* BY r.op_depth DESC LIMIT 1) AS moved_here_op_depth
* FROM nodes n
* WHERE wc_id = ?1
* AND (local_relpath = ?2 OR IS_STRICT_DESCENDANT_OF(local_relpath, ?2))
* AND moved_to IS NOT NULL
* AND op_depth >= ?3
*
* @version 1.8
*/
public class SVNWCDbSelectMovedForDelete extends SVNSqlJetSelectFieldsStatement<SVNWCDbSchema.NODES__Fields> {
private InternalStatement internalStatement;
public SVNWCDbSelectMovedForDelete(SVNSqlJetDb sDb) throws SVNException {
super(sDb, SVNWCDbSchema.NODES);
}
@Override
protected void defineFields() {
fields.add(SVNWCDbSchema.NODES__Fields.local_relpath);
fields.add(SVNWCDbSchema.NODES__Fields.moved_to);
fields.add(SVNWCDbSchema.NODES__Fields.op_depth);
}
@Override
public void reset() throws SVNException {
if (internalStatement != null) {
internalStatement.reset();
internalStatement = null;
}
super.reset();
}
@Override
protected String getPathScope() {
return (String) getBind(2);
}
@Override
protected boolean isStrictiDescendant() {
return false;
}
@Override
protected boolean isFilterPassed() throws SVNException {
long opDepth = getColumnLong(SVNWCDbSchema.NODES__Fields.op_depth);
if (internalStatement == null) {
internalStatement = new InternalStatement(sDb);
internalStatement.bindf("isi", getBind(1), getBind(2), opDepth);
internalStatement.next();
}
return !isColumnNull(SVNWCDbSchema.NODES__Fields.moved_to) && opDepth >= (Long)getBind(3);
}
@Override
protected Object[] getWhere() throws SVNException {
return new Object[]{getBind(1)};
}
public int getMovedHereDepth() throws SVNException {
if (internalStatement == null) {
return -1;
} else {
return (int) internalStatement.getColumnLong(SVNWCDbSchema.NODES__Fields.op_depth);
}
}
private static class InternalStatement extends SVNSqlJetSelectFieldsStatement<SVNWCDbSchema.NODES__Fields> {
public InternalStatement(SVNSqlJetDb sDb) throws SVNException {
super(sDb, SVNWCDbSchema.NODES);
}
@Override
protected void defineFields() {
fields.add(SVNWCDbSchema.NODES__Fields.op_depth);
}
@Override
protected ISqlJetCursor openCursor() throws SVNException {
try {
ISqlJetCursor cursor = super.openCursor().reverse();
cursor.setLimit(1);
return cursor;
} catch (SqlJetException e) {
SVNErrorMessage errorMessage = SVNErrorMessage.create(SVNErrorCode.WC_DB_ERROR, e);
SVNErrorManager.error(errorMessage, SVNLogType.WC);
}
return null;
}
@Override
protected boolean isFilterPassed() throws SVNException {
return getColumnLong(SVNWCDbSchema.NODES__Fields.op_depth) < (Long)getBind(3) && !isColumnNull(SVNWCDbSchema.NODES__Fields.moved_here);
}
@Override
protected Object[] getWhere() throws SVNException {
return new Object[] {getBind(1), getBind(2)};
}
}
}