/*
* StreamCruncher: Copyright (c) 2006-2008, Ashwin Jayaprakash. All Rights Reserved.
* Contact: ashwin {dot} jayaprakash {at} gmail {dot} com
* Web: http://www.StreamCruncher.com
*
* This file is part of StreamCruncher.
*
* StreamCruncher is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* StreamCruncher is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with StreamCruncher. If not, see <http://www.gnu.org/licenses/>.
*/
package streamcruncher.innards.impl.artifact;
import streamcruncher.api.artifact.IndexSpec;
/*
* Author: Ashwin Jayaprakash Date: Nov 9, 2006 Time: 12:21:58 PM
*/
public class AntsIndexSpec extends IndexSpec {
private static final long serialVersionUID = 1L;
/**
* @param schema
* @param name
* @param tableName
* @param unique
* @param columnName
* @param ascending
* doc Ignored.
*/
public AntsIndexSpec(String schema, String name, String tableName, boolean unique,
String columnName, boolean ascending) {
super(schema, name, tableName, unique, columnName, ascending);
}
/**
* @param schema
* @param name
* @param tableName
* @param unique
* @param columnNames
* @param ascending
* doc sort orders on columns are not supported. This is ignored.
*/
public AntsIndexSpec(String schema, String name, String tableName, boolean unique,
String[] columnNames, boolean[] ascending) {
super(schema, name, tableName, unique, columnNames, ascending);
}
@Override
public String constructCreateCommand() {
String ddl = "create " + (unique ? "unique" : "") + " index " + getFQN() + " on "
+ getTableFQN() + "(";
for (int i = 0; i < columnNames.length; i++) {
ddl = ddl + columnNames[i];
if (i < columnNames.length - 1) {
ddl = ddl + ",";
}
}
ddl = ddl + ")";
return ddl;
}
@Override
public String constructDropCommand() {
if (unique) {
return "alter table " + getTableFQN() + " drop constraint " + getFQN();
}
return "drop index " + getFQN();
}
}