/* * Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software;Designed and Developed mainly by many Chinese * opensource volunteers. you can redistribute it and/or modify it under the * terms of the GNU General Public License version 2 only, as published by the * Free Software Foundation. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Any questions about this component can be directed to it's project Web address * https://code.google.com/p/opencloudb/. * */ package com.akiban.sql.parser; import com.akiban.sql.StandardException; /** * A DropSequenceNode represents a DROP SEQUENCE statement. */ public class DropSequenceNode extends DDLStatementNode { private TableName dropItem; private ExistenceCheck existenceCheck; private int dropBehavior; /** * Initializer for a DropSequenceNode * * @param dropSequenceName The name of the sequence being dropped * @throws StandardException */ public void init(Object dropSequenceName, Object dropBehavior, Object ec) throws StandardException { dropItem = (TableName)dropSequenceName; initAndCheck(dropItem); this.dropBehavior = ((Integer)dropBehavior).intValue(); this.existenceCheck = (ExistenceCheck)ec; } public int getDropBehavior() { return dropBehavior; } public ExistenceCheck getExistenceCheck() { return existenceCheck; } /** * Fill this node with a deep copy of the given node. */ public void copyFrom(QueryTreeNode node) throws StandardException { super.copyFrom(node); DropSequenceNode other = (DropSequenceNode)node; this.dropBehavior = other.dropBehavior; this.existenceCheck = other.existenceCheck; this.dropItem = (TableName)getNodeFactory().copyNode(other.dropItem, getParserContext()); } public String statementToString() { return "DROP SEQUENCE ".concat(dropItem.getTableName()); } public String toString() { return super.toString() + "dropBehavior: " + dropBehavior + "\n" + "existenceCheck: " + existenceCheck + "\n"; } }