/*
* Copyright 2004-2023 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.table;
import java.util.ArrayList;
import org.h2.engine.SessionLocal;
import org.h2.index.Index;
import org.h2.index.IndexType;
import org.h2.message.DbException;
import org.h2.result.Row;
import org.h2.schema.Schema;
/**
* A base class for virtual tables.
*/
public abstract class VirtualTable extends Table {
protected VirtualTable(Schema schema, int id, String name) {
super(schema, id, name, false, true);
}
@Override
public void close(SessionLocal session) {
// Nothing to do
}
@Override
public Index addIndex(SessionLocal session, String indexName, int indexId, IndexColumn[] cols,
int uniqueColumnCount, IndexType indexType, boolean create, String indexComment) {
throw DbException.getUnsupportedException("Virtual table");
}
@Override
public boolean isInsertable() {
return false;
}
@Override
public void removeRow(SessionLocal session, Row row) {
throw DbException.getUnsupportedException("Virtual table");
}
@Override
public long truncate(SessionLocal session) {
throw DbException.getUnsupportedException("Virtual table");
}
@Override
public void addRow(SessionLocal session, Row row) {
throw DbException.getUnsupportedException("Virtual table");
}
@Override
public void checkSupportAlter() {
throw DbException.getUnsupportedException("Virtual table");
}
@Override
public TableType getTableType() {
return null;
}
@Override
public ArrayList<Index> getIndexes() {
return null;
}
@Override
public boolean canReference() {
return false;
}
@Override
public boolean canDrop() {
throw DbException.getInternalError(toString());
}
@Override
public String getCreateSQL() {
return null;
}
@Override
public void checkRename() {
throw DbException.getUnsupportedException("Virtual table");
}
}