SteNicholas commented on code in PR #4178: URL: https://github.com/apache/incubator-seatunnel/pull/4178#discussion_r1138087029
########## seatunnel-connectors-v2/connector-flink-table-store/src/main/java/org/apache/seatunnel/connectors/seatunnel/fts/utils/RowConverter.java: ########## @@ -0,0 +1,190 @@ +/* + * 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.seatunnel.connectors.seatunnel.fts.utils; + +import org.apache.seatunnel.api.table.type.ArrayType; +import org.apache.seatunnel.api.table.type.BasicType; +import org.apache.seatunnel.api.table.type.DecimalType; +import org.apache.seatunnel.api.table.type.MapType; +import org.apache.seatunnel.api.table.type.SeaTunnelDataType; +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.common.exception.CommonErrorCode; +import org.apache.seatunnel.connectors.seatunnel.fts.exception.FlinkTableStoreConnectorException; + +import org.apache.flink.table.data.ArrayData; +import org.apache.flink.table.data.MapData; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.data.TimestampData; + +import java.time.LocalDate; +import java.util.HashMap; +import java.util.Map; + +/** The converter for converting {@link RowData} and {@link SeaTunnelRow} */ +public class RowConverter { + + private RowConverter() {} + + public static Object convert(ArrayData array, SeaTunnelDataType<?> dataType) { + BasicType<?> elementType = ((ArrayType<?, ?>) dataType).getElementType(); + switch (elementType.getSqlType()) { + case STRING: + String[] strings = new String[array.size()]; + for (int j = 0; j < strings.length; j++) { + strings[j] = array.getString(j).toString(); + } + return strings; + case BOOLEAN: + Boolean[] booleans = new Boolean[array.size()]; + for (int j = 0; j < booleans.length; j++) { + booleans[j] = array.getBoolean(j); + } + return booleans; + case TINYINT: + Byte[] bytes = new Byte[array.size()]; + for (int j = 0; j < bytes.length; j++) { + bytes[j] = array.getByte(j); + } + return bytes; + case SMALLINT: + Short[] shorts = new Short[array.size()]; + for (int j = 0; j < shorts.length; j++) { + shorts[j] = array.getShort(j); + } + return shorts; + case INT: + Integer[] integers = new Integer[array.size()]; + for (int j = 0; j < integers.length; j++) { + integers[j] = array.getInt(j); + } + return integers; + case BIGINT: + Long[] longs = new Long[array.size()]; + for (int j = 0; j < longs.length; j++) { + longs[j] = array.getLong(j); + } + return longs; + case FLOAT: + Float[] floats = new Float[array.size()]; + for (int j = 0; j < floats.length; j++) { + floats[j] = array.getFloat(j); + } + return floats; + case DOUBLE: + Double[] doubles = new Double[array.size()]; + for (int j = 0; j < doubles.length; j++) { + doubles[j] = array.getDouble(j); + } + return doubles; + default: + String errorMsg = + String.format("Array type not support this genericType [%s]", elementType); + throw new FlinkTableStoreConnectorException( + CommonErrorCode.UNSUPPORTED_DATA_TYPE, errorMsg); + } + } + + public static SeaTunnelRow convert(RowData rowData, SeaTunnelRowType seaTunnelRowType) { + Object[] objects = new Object[seaTunnelRowType.getTotalFields()]; + for (int i = 0; i < objects.length; i++) { + SeaTunnelDataType<?> fieldType = seaTunnelRowType.getFieldType(i); + switch (fieldType.getSqlType()) { + case TINYINT: + objects[i] = rowData.getByte(i); + break; + case SMALLINT: + objects[i] = rowData.getShort(i); + break; + case INT: + objects[i] = rowData.getInt(i); + break; + case BIGINT: + objects[i] = rowData.getLong(i); + break; + case FLOAT: + objects[i] = rowData.getFloat(i); + break; + case DOUBLE: + objects[i] = rowData.getDouble(i); + break; + case DECIMAL: + SeaTunnelDataType<?> decimalType = seaTunnelRowType.getFieldType(i); + objects[i] = + rowData.getDecimal( + i, + ((DecimalType) decimalType).getPrecision(), + ((DecimalType) decimalType).getScale()); + break; + case STRING: + objects[i] = rowData.getString(i).toString(); + break; + case BOOLEAN: + objects[i] = rowData.getBoolean(i); + break; + case BYTES: + objects[i] = rowData.getBinary(i); + break; + case DATE: + objects[i] = LocalDate.ofEpochDay(rowData.getInt(i)); + break; + case TIMESTAMP: + // Now SeaTunnel not supported assigned the timezone for timestamp, + // so we use the default precision 6 + TimestampData timestamp = rowData.getTimestamp(i, 6); + objects[i] = timestamp.toLocalDateTime(); + break; + case ARRAY: + SeaTunnelDataType<?> arrayType = seaTunnelRowType.getFieldType(i); + ArrayData array = rowData.getArray(i); + objects[i] = convert(array, arrayType); + break; + case MAP: + SeaTunnelDataType<?> mapType = seaTunnelRowType.getFieldType(i); + MapData map = rowData.getMap(i); + ArrayData keyArray = map.keyArray(); + ArrayData valueArray = map.valueArray(); + SeaTunnelDataType<?> keyType = ((MapType<?, ?>) mapType).getKeyType(); + SeaTunnelDataType<?> valueType = ((MapType<?, ?>) mapType).getValueType(); + Object[] key = (Object[]) convert(keyArray, keyType); + Object[] value = (Object[]) convert(valueArray, valueType); + Map<Object, Object> mapData = new HashMap<>(); + for (int j = 0; j < key.length; j++) { + mapData.put(key[j], value[j]); + } + objects[i] = mapData; + break; + case ROW: + SeaTunnelDataType<?> rowType = seaTunnelRowType.getFieldType(i); + RowData row = rowData.getRow(i, ((SeaTunnelRowType) rowType).getTotalFields()); + objects[i] = convert(row, (SeaTunnelRowType) rowType); + break; + default: Review Comment: Adds the `MultiSet` type? -- This is an automated message from the Apache Git Service. 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