yiyutian1 commented on code in PR #25763: URL: https://github.com/apache/flink/pull/25763#discussion_r1886094264
########## flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/functions/scalar/ToTimestampLtzFunction.java: ########## @@ -0,0 +1,165 @@ +/* + * 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.flink.table.runtime.functions.scalar; + +import org.apache.flink.annotation.Internal; +import org.apache.flink.table.data.DecimalData; +import org.apache.flink.table.data.StringData; +import org.apache.flink.table.data.TimestampData; +import org.apache.flink.table.functions.BuiltInFunctionDefinitions; +import org.apache.flink.table.functions.SpecializedFunction; +import org.apache.flink.table.utils.DateTimeUtils; + +/** + * Implementation of {@link BuiltInFunctionDefinitions#TO_TIMESTAMP_LTZ}. + * + * <p>Supported function signatures: TO_TIMESTAMP_LTZ(numeric, precision) -> + * TIMESTAMP_LTZ(precision) TO_TIMESTAMP_LTZ(string) -> TIMESTAMP_LTZ(3) TO_TIMESTAMP_LTZ(string, + * format) -> TIMESTAMP_LTZ(3) TO_TIMESTAMP_LTZ(string, format, timezone) -> TIMESTAMP_LTZ(3) + * TO_TIMESTAMP_LTZ(numeric) -> TIMESTAMP_LTZ(3) + */ +@Internal +public class ToTimestampLtzFunction extends BuiltInScalarFunction { + + public ToTimestampLtzFunction(SpecializedFunction.SpecializedContext context) { + super(BuiltInFunctionDefinitions.TO_TIMESTAMP_LTZ, context); + } + + public TimestampData eval(Integer epoch, Integer precision) { + if (epoch == null || precision == null) { + return null; + } + + return DateTimeUtils.toTimestampData(epoch, precision); + } + + public TimestampData eval(Long epoch, Integer precision) { + if (epoch == null || precision == null) { + return null; + } + + return DateTimeUtils.toTimestampData(epoch, precision); + } + + public TimestampData eval(Double epoch, Integer precision) { + if (epoch == null || precision == null) { + return null; + } + + return DateTimeUtils.toTimestampData(epoch, precision); + } + + public TimestampData eval(Float value, Integer precision) { + if (value == null || precision == null) { + return null; + } + return DateTimeUtils.toTimestampData(value.longValue(), precision); + } + + public TimestampData eval(Byte value, Integer precision) { + if (value == null || precision == null) { + return null; + } + return DateTimeUtils.toTimestampData(value.longValue(), precision); + } + + public TimestampData eval(DecimalData epoch, Integer precision) { + if (epoch == null || precision == null) { + return null; + } + + return DateTimeUtils.toTimestampData(epoch, precision); + } + + public TimestampData eval(Integer epoch) { + if (epoch == null) { + return null; + } + + return eval(epoch, 3); + } + + public TimestampData eval(Long epoch) { + if (epoch == null) { + return null; + } + + return eval(epoch, 3); + } + + public TimestampData eval(Float epoch) { + if (epoch == null) { + return null; + } + + return eval(epoch, 3); + } Review Comment: Address here: https://github.com/apache/flink/pull/25763/commits/533532547fc7ccf84e3ec6ee163597d3d61afcc2#r1886090826 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
