yuxiqian commented on code in PR #2916: URL: https://github.com/apache/flink-cdc/pull/2916#discussion_r1554819937
########## flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/v2/PaimonWriterHelper.java: ########## @@ -0,0 +1,163 @@ +/* + * 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.cdc.connectors.paimon.sink.v2; + +import org.apache.flink.cdc.common.data.DecimalData; +import org.apache.flink.cdc.common.data.RecordData; +import org.apache.flink.cdc.common.event.DataChangeEvent; +import org.apache.flink.cdc.common.schema.Schema; +import org.apache.flink.cdc.common.types.DataType; +import org.apache.flink.cdc.common.types.DataTypeChecks; + +import org.apache.paimon.data.BinaryString; +import org.apache.paimon.data.Decimal; +import org.apache.paimon.data.GenericRow; +import org.apache.paimon.data.Timestamp; +import org.apache.paimon.types.RowKind; + +import java.time.ZoneId; +import java.time.ZonedDateTime; +import java.util.ArrayList; +import java.util.List; + +/** A helper class for {@link PaimonWriter} to create FieldGetter and GenericRow. */ +public class PaimonWriterHelper { + + /** create a list of {@link RecordData.FieldGetter} for {@link PaimonWriter}. */ + public static List<RecordData.FieldGetter> createFieldGetters(Schema schema, ZoneId zoneId) { + List<RecordData.FieldGetter> fieldGetters = new ArrayList<>(schema.getColumns().size()); + for (int i = 0; i < schema.getColumns().size(); i++) { + fieldGetters.add(createFieldGetter(schema.getColumns().get(i).getType(), i, zoneId)); + } + return fieldGetters; + } + + private static RecordData.FieldGetter createFieldGetter( + DataType fieldType, int fieldPos, ZoneId zoneId) { + final RecordData.FieldGetter fieldGetter; + // ordered by type root definition + switch (fieldType.getTypeRoot()) { + case CHAR: + case VARCHAR: + fieldGetter = row -> BinaryString.fromString(row.getString(fieldPos).toString()); + break; + case BOOLEAN: + fieldGetter = row -> row.getBoolean(fieldPos); + break; + case BINARY: + case VARBINARY: + fieldGetter = row -> row.getBinary(fieldPos); + break; + case DECIMAL: + final int decimalPrecision = DataTypeChecks.getPrecision(fieldType); + final int decimalScale = DataTypeChecks.getScale(fieldType); + fieldGetter = + row -> { + DecimalData decimalData = + row.getDecimal(fieldPos, decimalPrecision, decimalScale); + return Decimal.fromBigDecimal( + decimalData.toBigDecimal(), decimalPrecision, decimalScale); + }; + break; + case TINYINT: + fieldGetter = row -> row.getByte(fieldPos); + break; + case SMALLINT: + fieldGetter = row -> row.getShort(fieldPos); + break; + case INTEGER: + case DATE: + case TIME_WITHOUT_TIME_ZONE: + fieldGetter = row -> row.getInt(fieldPos); + break; + case BIGINT: + fieldGetter = row -> row.getLong(fieldPos); + break; + case FLOAT: + fieldGetter = row -> row.getFloat(fieldPos); + break; + case DOUBLE: + fieldGetter = row -> row.getDouble(fieldPos); + break; + case TIMESTAMP_WITHOUT_TIME_ZONE: + fieldGetter = + row -> + Timestamp.fromSQLTimestamp( + row.getTimestamp( + fieldPos, + DataTypeChecks.getPrecision(fieldType)) + .toTimestamp()); + break; + case TIMESTAMP_WITH_LOCAL_TIME_ZONE: + case TIMESTAMP_WITH_TIME_ZONE: + fieldGetter = + row -> + Timestamp.fromLocalDateTime( + ZonedDateTime.ofInstant( + row.getLocalZonedTimestampData( + fieldPos, + DataTypeChecks.getPrecision( + fieldType)) + .toInstant(), + zoneId) + .toLocalDateTime()); + break; Review Comment: Is type `ROW` omitted intentionally here? -- 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
