| /* |
| * 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.calcite.sql; |
| |
| import org.apache.calcite.sql.parser.SqlParserPos; |
| import org.apache.calcite.sql.type.SqlTypeName; |
| import org.apache.calcite.util.TimestampWithTimeZoneString; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * A SQL literal representing a TIMESTAMP WITH TIME ZONE value, for example <code>TIMESTAMP |
| * '1969-07-21 03:15 GMT+00:00'</code>. |
| * |
| * <p>Create values using {@link SqlLiteral#createTimestamp}. |
| */ |
| public class SqlTimestampTzLiteral extends SqlAbstractDateTimeLiteral { |
| //~ Constructors ----------------------------------------------------------- |
| |
| SqlTimestampTzLiteral(TimestampWithTimeZoneString ts, int precision, SqlParserPos pos) { |
| super(ts, false, SqlTypeName.TIMESTAMP_TZ, precision, pos); |
| checkArgument(this.precision >= 0); |
| } |
| |
| //~ Methods ---------------------------------------------------------------- |
| |
| @Override public SqlTimestampTzLiteral clone(SqlParserPos pos) { |
| return new SqlTimestampTzLiteral( |
| getTimestampTz(), precision, pos); |
| } |
| |
| @Override public String toString() { |
| return getTypeName() + " '" + toFormattedString() + "'"; |
| } |
| |
| @Override public String toFormattedString() { |
| TimestampWithTimeZoneString ts = getTimestampTz(); |
| if (precision > 0) { |
| ts = ts.round(precision); |
| } |
| return ts.toString(precision); |
| } |
| |
| TimestampWithTimeZoneString getTimestampTz() { |
| return (TimestampWithTimeZoneString) Objects.requireNonNull(value, "value"); |
| } |
| |
| @Override public void unparse( |
| SqlWriter writer, |
| int leftPrec, |
| int rightPrec) { |
| writer.getDialect().unparseDateTimeLiteral(writer, this, leftPrec, rightPrec); |
| } |
| } |