swapna267 commented on code in PR #15471: URL: https://github.com/apache/iceberg/pull/15471#discussion_r2982897051
########## flink/v2.1/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/VariantAvroDynamicTableRecordGenerator.java: ########## @@ -0,0 +1,217 @@ +/* + * 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.iceberg.flink.sink.dynamic; + +import java.util.Map; +import org.apache.avro.Schema.Parser; +import org.apache.flink.api.common.functions.OpenContext; +import org.apache.flink.configuration.ConfigOption; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.data.StringData; +import org.apache.flink.table.types.logical.RowType; +import org.apache.flink.table.types.logical.VarCharType; +import org.apache.flink.table.types.logical.VariantType; +import org.apache.flink.types.variant.Variant; +import org.apache.flink.util.Collector; +import org.apache.iceberg.DistributionMode; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.avro.AvroSchemaUtil; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.flink.FlinkCreateTableOptions; +import org.apache.iceberg.flink.FlinkSchemaUtil; +import org.apache.iceberg.flink.FlinkWriteOptions; +import org.apache.iceberg.flink.data.VariantRowDataWrapper; +import org.apache.iceberg.relocated.com.google.common.annotations.VisibleForTesting; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.iceberg.relocated.com.google.common.base.Splitter; + +public class VariantAvroDynamicTableRecordGenerator extends DynamicTableRecordGenerator { + + private static final Splitter COMMA = Splitter.on(','); + @VisibleForTesting static final String DATA_COLUMN = "data"; + @VisibleForTesting static final String AVRO_SCHEMA_COLUMN = "avro_schema"; + @VisibleForTesting static final String AVRO_SCHEMA_ID_COLUMN = "avro_schema_id"; + @VisibleForTesting static final String PARTITION_COLUMNS = "partition_columns"; + + private transient int maxCacheSize; + private transient Map<TableIdentifier, SchemaAndPartitionSpecCacheItem> tableCache; + + public VariantAvroDynamicTableRecordGenerator( + RowType rowType, Map<String, String> writeProperties) { + super(rowType, writeProperties); + + String catalogDatabaseColumn = FlinkCreateTableOptions.CATALOG_DATABASE.key(); + Preconditions.checkArgument( + rowType.getFieldIndex(catalogDatabaseColumn) != -1 + || writeProperties().containsKey(catalogDatabaseColumn), + "Invalid %s:null. Either %s column should be passed in Row or set in table options", + catalogDatabaseColumn, + catalogDatabaseColumn); + + String catalogTableColumn = FlinkCreateTableOptions.CATALOG_TABLE.key(); + Preconditions.checkArgument( + rowType.getFieldIndex(catalogTableColumn) != -1 + || writeProperties().containsKey(catalogTableColumn), + "Invalid %s:null. Either %s column should be passed in Row or set in table options", + catalogTableColumn, + catalogTableColumn); + + validateRequiredFieldAndType(DATA_COLUMN, new VariantType(false)); + validateRequiredFieldAndType(AVRO_SCHEMA_COLUMN, new VarCharType(false, Integer.MAX_VALUE)); + validateRequiredFieldAndType(AVRO_SCHEMA_ID_COLUMN, new VarCharType(false, Integer.MAX_VALUE)); + } + + @Override + public void open(OpenContext openContext) throws Exception { + super.open(openContext); + + String value = writeProperties().get(FlinkWriteOptions.CACHE_MAX_SIZE.key()); + this.maxCacheSize = + value != null ? Integer.parseInt(value) : FlinkWriteOptions.CACHE_MAX_SIZE.defaultValue(); + this.tableCache = new LRUCache<>(maxCacheSize); + } + + @Override + public void generate(RowData inputRecord, Collector<DynamicRecord> out) throws Exception { + String catalogDb = + columnValueAsString( + inputRecord, FlinkCreateTableOptions.CATALOG_DATABASE, writeProperties()); Review Comment: Options allow to override the behavior with different INSERT INTO statements on same table created using CREATE TABLE with it's properties. I don't see need for that for database or table name fields. I think keeping them explicitly scoped to only being passed in row or pass in create table properties should avoid confusion. -- 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. 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