org.basex.query.func.db.DbDelete Maven / Gradle / Ivy
package org.basex.query.func.db;
import org.basex.data.*;
import org.basex.index.resource.*;
import org.basex.io.*;
import org.basex.query.*;
import org.basex.query.up.*;
import org.basex.query.up.primitives.db.*;
import org.basex.query.up.primitives.node.*;
import org.basex.query.value.item.*;
import org.basex.query.value.seq.*;
import org.basex.util.*;
import org.basex.util.list.*;
/**
* Function implementation.
*
* @author BaseX Team 2005-22, BSD License
* @author Christian Gruen
*/
public final class DbDelete extends DbAccess {
@Override
public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
final Data data = toData(qc);
final String path = toDbPath(1, qc);
// delete XML resources
final IntList docs = data.resources.docs(path);
final int ds = docs.size();
final Updates updates = qc.updates();
for(int d = 0; d < ds; d++) {
updates.add(new DeleteNode(docs.get(d), data, info), qc);
}
// delete file resources
for(final ResourceType type : Resources.BINARIES) {
final IOFile bin = data.meta.file(path, type);
if(bin != null) updates.add(new DBDelete(data, bin, info), qc);
}
return Empty.VALUE;
}
}