| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.phoenix.parse; |
| |
| import java.sql.SQLException; |
| import java.util.List; |
| |
| import org.apache.phoenix.compile.StatementContext; |
| import org.apache.phoenix.expression.Expression; |
| import org.apache.phoenix.expression.LiteralExpression; |
| import org.apache.phoenix.expression.function.FunctionExpression; |
| import org.apache.phoenix.expression.function.ToTimestampFunction; |
| |
| |
| public class ToTimestampParseNode extends FunctionParseNode { |
| |
| public ToTimestampParseNode(String name, List<ParseNode> children, BuiltInFunctionInfo info) { |
| super(name, children, info); |
| } |
| |
| @Override |
| public FunctionExpression create(List<Expression> children, StatementContext context) throws SQLException { |
| String dateFormat = (String) ((LiteralExpression) children.get(1)).getValue(); |
| String timeZoneId = (String) ((LiteralExpression) children.get(2)).getValue(); |
| if (dateFormat == null) { |
| dateFormat = context.getTimestampFormat(); |
| } |
| if (timeZoneId == null) { |
| timeZoneId = context.getDateFormatTimeZone().getID(); |
| } |
| return new ToTimestampFunction(children, dateFormat, timeZoneId); |
| } |
| } |