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ASF GitHub Bot commented on FLINK-4268: --------------------------------------- Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/2304#discussion_r75459165 --- Diff: flink-core/src/main/java/org/apache/flink/types/parser/BigDecParser.java --- @@ -0,0 +1,126 @@ +/* + * 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.types.parser; + +import java.math.BigDecimal; +import org.apache.flink.annotation.PublicEvolving; + +/** + * Parses a text field into a {@link java.math.BigDecimal}. + */ +@PublicEvolving +public class BigDecParser extends FieldParser<BigDecimal> { + + private static final BigDecimal BIG_DECIMAL_INSTANCE = BigDecimal.ZERO; + + private BigDecimal result; + + @Override + public int parseField(byte[] bytes, int startPos, int limit, byte[] delimiter, BigDecimal reusable) { + int i = startPos; + + final int delimLimit = limit - delimiter.length + 1; + + while (i < limit) { + if (i < delimLimit && delimiterNext(bytes, i, delimiter)) { + if (i == startPos) { + setErrorState(ParseErrorState.EMPTY_STRING); + return -1; + } + break; + } + i++; + } + + if (i > startPos && + (Character.isWhitespace(bytes[startPos]) || Character.isWhitespace(bytes[(i - 1)]))) { + setErrorState(ParseErrorState.NUMERIC_VALUE_ILLEGAL_CHARACTER); + return -1; + } + + String str = new String(bytes, startPos, i - startPos); --- End diff -- Instead of creating String instances, we could copy the relevant bytes into a reusable `char[]` and create the `BigDecimal` with the `BigDecimal(char[] in, int offset, int len)` constructor. > Add a parsers for BigDecimal/BigInteger > --------------------------------------- > > Key: FLINK-4268 > URL: https://issues.apache.org/jira/browse/FLINK-4268 > Project: Flink > Issue Type: Improvement > Components: Table API & SQL > Affects Versions: 1.2.0 > Reporter: Timo Walther > Assignee: Timo Walther > > Since BigDecimal and BigInteger are basic types now. It would be great if we > also parse those. > FLINK-628 did this a long time ago. This feature should be reintroduced. -- This message was sent by Atlassian JIRA (v6.3.4#6332)