Copilot commented on code in PR #1372: URL: https://github.com/apache/fluss/pull/1372#discussion_r2234762809
########## fluss-lake/fluss-lake-iceberg/src/main/java/com/alibaba/fluss/lake/iceberg/IcebergLakeCatalog.java: ########## @@ -0,0 +1,259 @@ +/* + * 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 com.alibaba.fluss.lake.iceberg; + +import com.alibaba.fluss.config.Configuration; +import com.alibaba.fluss.exception.TableAlreadyExistException; +import com.alibaba.fluss.lake.lakestorage.LakeCatalog; Review Comment: The import for LakeCatalog is missing. This will cause a compilation error since the class implements LakeCatalog interface but doesn't import it. ```suggestion import com.alibaba.fluss.lake.lakestorage.LakeCatalog; import com.alibaba.fluss.lake.lakestorage.LakeCatalog; ``` ########## fluss-lake/fluss-lake-iceberg/src/main/java/com/alibaba/fluss/lake/iceberg/IcebergLakeCatalog.java: ########## @@ -0,0 +1,259 @@ +/* + * 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 com.alibaba.fluss.lake.iceberg; + +import com.alibaba.fluss.config.Configuration; +import com.alibaba.fluss.exception.TableAlreadyExistException; +import com.alibaba.fluss.lake.lakestorage.LakeCatalog; +import com.alibaba.fluss.metadata.TableDescriptor; +import com.alibaba.fluss.metadata.TablePath; +import com.alibaba.fluss.types.DataType; +import com.alibaba.fluss.utils.IOUtils; + +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.catalog.Catalog; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.SupportsNamespaces; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.types.Type; +import org.apache.iceberg.types.Types; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +import static com.alibaba.fluss.metadata.TableDescriptor.BUCKET_COLUMN_NAME; +import static com.alibaba.fluss.metadata.TableDescriptor.OFFSET_COLUMN_NAME; +import static com.alibaba.fluss.metadata.TableDescriptor.TIMESTAMP_COLUMN_NAME; + +/** A Iceberg implementation of {@link LakeCatalog}. */ +public class IcebergLakeCatalog implements LakeCatalog { + + private static final LinkedHashMap<String, Type> SYSTEM_COLUMNS = new LinkedHashMap<>(); + + static { + // We need __bucket system column to filter out the given bucket + // for iceberg bucket append only table & primary key table. + SYSTEM_COLUMNS.put(BUCKET_COLUMN_NAME, Types.IntegerType.get()); + SYSTEM_COLUMNS.put(OFFSET_COLUMN_NAME, Types.LongType.get()); + SYSTEM_COLUMNS.put(TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone()); + } + + private final Catalog icebergCatalog; + + // for fluss config + private static final String FLUSS_CONF_PREFIX = "fluss."; + // for iceberg config + private static final String ICEBERG_CONF_PREFIX = "iceberg."; + private static final String ICEBERG_CATALOG_PREFIX = "iceberg.catalog."; + + public IcebergLakeCatalog(Configuration configuration) { + // Extract Iceberg catalog properties from Fluss configuration + Map<String, String> icebergProps = + configuration.toMap().entrySet().stream() + .filter(e -> e.getKey().startsWith(ICEBERG_CATALOG_PREFIX)) + .collect( + Collectors.toMap( + e -> e.getKey().substring(ICEBERG_CATALOG_PREFIX.length()), + Map.Entry::getValue)); + + String catalogType = icebergProps.get("type"); + if (catalogType == null) { + throw new IllegalArgumentException( + "Missing required Iceberg catalog type. Set 'iceberg.catalog.type' in your configuration (e.g., 'hive', 'hadoop', or 'rest')."); + } + String catalogName = icebergProps.getOrDefault("name", "fluss-iceberg-catalog"); + + this.icebergCatalog = + org.apache.iceberg.CatalogUtil.loadCatalog( + catalogType, + catalogName, + icebergProps, + null // Optional: pass Hadoop configuration if available + ); + } + + @Override + public void createTable(TablePath tablePath, TableDescriptor tableDescriptor) + throws TableAlreadyExistException { + if (!tableDescriptor.hasPrimaryKey()) { + throw new UnsupportedOperationException( + "Only primary key tables are supported currently."); + } + + TableIdentifier icebergId = toIcebergIdentifier(tablePath); + Schema icebergSchema = toIcebergSchema(tableDescriptor); + PartitionSpec partitionSpec = createPartitionSpec(tableDescriptor, icebergSchema); + + Map<String, String> icebergProperties = new HashMap<>(); + + // MOR table properties + icebergProperties.put("write.delete.mode", "merge-on-read"); + icebergProperties.put("write.update.mode", "merge-on-read"); + icebergProperties.put("write.merge.mode", "merge-on-read"); + + tableDescriptor + .getProperties() + .forEach((k, v) -> setFlussPropertyToIceberg(k, v, icebergProperties)); + tableDescriptor + .getCustomProperties() + .forEach((k, v) -> setFlussPropertyToIceberg(k, v, icebergProperties)); + + createDatabase(tablePath.getDatabaseName()); + + try { + createTable(icebergId, icebergSchema, partitionSpec, icebergProperties); + } catch (org.apache.iceberg.exceptions.AlreadyExistsException e) { + throw new TableAlreadyExistException("Table " + tablePath + " already exists."); + } + } + + private void createTable( + TableIdentifier icebergId, + Schema icebergSchema, + PartitionSpec partitionSpec, + Map<String, String> icebergTableProperties) + throws org.apache.iceberg.exceptions.NoSuchNamespaceException, + org.apache.iceberg.exceptions.AlreadyExistsException { + + icebergCatalog.createTable(icebergId, icebergSchema, partitionSpec, icebergTableProperties); + } + + private TableIdentifier toIcebergIdentifier(TablePath tablePath) { + return TableIdentifier.of(tablePath.getDatabaseName(), tablePath.getTableName()); + } + + private Schema toIcebergSchema(TableDescriptor tableDescriptor) { + List<Types.NestedField> fields = new ArrayList<>(); + int fieldId = 1; + + for (com.alibaba.fluss.metadata.Schema.Column column : + tableDescriptor.getSchema().getColumns()) { + String colName = column.getName(); + if (SYSTEM_COLUMNS.containsKey(colName)) { + throw new IllegalArgumentException( + "Column '" + colName + "' conflicts with a reserved system column name."); + } + fields.add( + Types.NestedField.optional( + fieldId++, colName, convertFlussToIcebergType(column.getDataType()))); + } + + fields.add( + Types.NestedField.optional(fieldId, BUCKET_COLUMN_NAME, Types.IntegerType.get())); + fields.add( + Types.NestedField.optional(fieldId + 1, OFFSET_COLUMN_NAME, Types.LongType.get())); + fields.add( + Types.NestedField.optional( + fieldId + 2, TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone())); Review Comment: The fieldId is being reused for multiple system columns. Each field should have a unique ID. The second and third system columns should use fieldId+1 and fieldId+2 for their IDs respectively. ```suggestion Types.NestedField.optional(fieldId++, BUCKET_COLUMN_NAME, Types.IntegerType.get())); fields.add( Types.NestedField.optional(fieldId++, OFFSET_COLUMN_NAME, Types.LongType.get())); fields.add( Types.NestedField.optional( fieldId++, TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone())); ``` ########## fluss-lake/fluss-lake-iceberg/src/main/java/com/alibaba/fluss/lake/iceberg/IcebergLakeCatalog.java: ########## @@ -0,0 +1,259 @@ +/* + * 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 com.alibaba.fluss.lake.iceberg; + +import com.alibaba.fluss.config.Configuration; +import com.alibaba.fluss.exception.TableAlreadyExistException; +import com.alibaba.fluss.lake.lakestorage.LakeCatalog; +import com.alibaba.fluss.metadata.TableDescriptor; +import com.alibaba.fluss.metadata.TablePath; +import com.alibaba.fluss.types.DataType; +import com.alibaba.fluss.utils.IOUtils; + +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.catalog.Catalog; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.SupportsNamespaces; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.types.Type; +import org.apache.iceberg.types.Types; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +import static com.alibaba.fluss.metadata.TableDescriptor.BUCKET_COLUMN_NAME; +import static com.alibaba.fluss.metadata.TableDescriptor.OFFSET_COLUMN_NAME; +import static com.alibaba.fluss.metadata.TableDescriptor.TIMESTAMP_COLUMN_NAME; + +/** A Iceberg implementation of {@link LakeCatalog}. */ +public class IcebergLakeCatalog implements LakeCatalog { + + private static final LinkedHashMap<String, Type> SYSTEM_COLUMNS = new LinkedHashMap<>(); + + static { + // We need __bucket system column to filter out the given bucket + // for iceberg bucket append only table & primary key table. + SYSTEM_COLUMNS.put(BUCKET_COLUMN_NAME, Types.IntegerType.get()); + SYSTEM_COLUMNS.put(OFFSET_COLUMN_NAME, Types.LongType.get()); + SYSTEM_COLUMNS.put(TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone()); + } + + private final Catalog icebergCatalog; + + // for fluss config + private static final String FLUSS_CONF_PREFIX = "fluss."; + // for iceberg config + private static final String ICEBERG_CONF_PREFIX = "iceberg."; + private static final String ICEBERG_CATALOG_PREFIX = "iceberg.catalog."; + + public IcebergLakeCatalog(Configuration configuration) { + // Extract Iceberg catalog properties from Fluss configuration + Map<String, String> icebergProps = + configuration.toMap().entrySet().stream() + .filter(e -> e.getKey().startsWith(ICEBERG_CATALOG_PREFIX)) + .collect( + Collectors.toMap( + e -> e.getKey().substring(ICEBERG_CATALOG_PREFIX.length()), + Map.Entry::getValue)); + + String catalogType = icebergProps.get("type"); + if (catalogType == null) { + throw new IllegalArgumentException( + "Missing required Iceberg catalog type. Set 'iceberg.catalog.type' in your configuration (e.g., 'hive', 'hadoop', or 'rest')."); + } + String catalogName = icebergProps.getOrDefault("name", "fluss-iceberg-catalog"); + + this.icebergCatalog = + org.apache.iceberg.CatalogUtil.loadCatalog( + catalogType, + catalogName, + icebergProps, + null // Optional: pass Hadoop configuration if available + ); + } + + @Override + public void createTable(TablePath tablePath, TableDescriptor tableDescriptor) + throws TableAlreadyExistException { + if (!tableDescriptor.hasPrimaryKey()) { + throw new UnsupportedOperationException( + "Only primary key tables are supported currently."); + } + + TableIdentifier icebergId = toIcebergIdentifier(tablePath); + Schema icebergSchema = toIcebergSchema(tableDescriptor); + PartitionSpec partitionSpec = createPartitionSpec(tableDescriptor, icebergSchema); + + Map<String, String> icebergProperties = new HashMap<>(); + + // MOR table properties + icebergProperties.put("write.delete.mode", "merge-on-read"); + icebergProperties.put("write.update.mode", "merge-on-read"); + icebergProperties.put("write.merge.mode", "merge-on-read"); + + tableDescriptor + .getProperties() + .forEach((k, v) -> setFlussPropertyToIceberg(k, v, icebergProperties)); + tableDescriptor + .getCustomProperties() + .forEach((k, v) -> setFlussPropertyToIceberg(k, v, icebergProperties)); + + createDatabase(tablePath.getDatabaseName()); + + try { + createTable(icebergId, icebergSchema, partitionSpec, icebergProperties); + } catch (org.apache.iceberg.exceptions.AlreadyExistsException e) { + throw new TableAlreadyExistException("Table " + tablePath + " already exists."); + } + } + + private void createTable( + TableIdentifier icebergId, + Schema icebergSchema, + PartitionSpec partitionSpec, + Map<String, String> icebergTableProperties) + throws org.apache.iceberg.exceptions.NoSuchNamespaceException, + org.apache.iceberg.exceptions.AlreadyExistsException { + + icebergCatalog.createTable(icebergId, icebergSchema, partitionSpec, icebergTableProperties); + } + + private TableIdentifier toIcebergIdentifier(TablePath tablePath) { + return TableIdentifier.of(tablePath.getDatabaseName(), tablePath.getTableName()); + } + + private Schema toIcebergSchema(TableDescriptor tableDescriptor) { + List<Types.NestedField> fields = new ArrayList<>(); + int fieldId = 1; + + for (com.alibaba.fluss.metadata.Schema.Column column : + tableDescriptor.getSchema().getColumns()) { + String colName = column.getName(); + if (SYSTEM_COLUMNS.containsKey(colName)) { + throw new IllegalArgumentException( + "Column '" + colName + "' conflicts with a reserved system column name."); + } + fields.add( + Types.NestedField.optional( + fieldId++, colName, convertFlussToIcebergType(column.getDataType()))); + } + + fields.add( + Types.NestedField.optional(fieldId, BUCKET_COLUMN_NAME, Types.IntegerType.get())); + fields.add( + Types.NestedField.optional(fieldId + 1, OFFSET_COLUMN_NAME, Types.LongType.get())); + fields.add( + Types.NestedField.optional( + fieldId + 2, TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone())); + + return new Schema(fields); + } + + private Type convertFlussToIcebergType(DataType dataType) { + String typeRoot = dataType.getTypeRoot().name(); + + switch (typeRoot) { + case "INT": + return Types.IntegerType.get(); + case "BIGINT": + return Types.LongType.get(); + case "STRING": + return Types.StringType.get(); + case "BOOLEAN": + return Types.BooleanType.get(); + case "DOUBLE": + return Types.DoubleType.get(); + case "FLOAT": + return Types.FloatType.get(); + case "DATE": + return Types.DateType.get(); + case "TIMESTAMP_WITH_LOCAL_TIME_ZONE": + return Types.TimestampType.withZone(); + case "TIMESTAMP_WITHOUT_TIME_ZONE": + return Types.TimestampType.withoutZone(); + case "UUID": + throw new UnsupportedOperationException("Fluss does not support UUID yet."); + case "TIMESTAMP_NANO": + throw new UnsupportedOperationException( + "Iceberg does not support nanosecond precision timestamps in 1.4.3"); Review Comment: The hardcoded version '1.4.3' in the error message should be replaced with a reference to the actual Iceberg version being used to maintain consistency when the version changes. ```suggestion "Iceberg does not support nanosecond precision timestamps in " + org.apache.iceberg.Version.getVersion()); ``` ########## fluss-lake/fluss-lake-iceberg/src/main/java/com/alibaba/fluss/lake/iceberg/IcebergLakeCatalog.java: ########## @@ -0,0 +1,259 @@ +/* + * 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 com.alibaba.fluss.lake.iceberg; + +import com.alibaba.fluss.config.Configuration; +import com.alibaba.fluss.exception.TableAlreadyExistException; +import com.alibaba.fluss.lake.lakestorage.LakeCatalog; +import com.alibaba.fluss.metadata.TableDescriptor; +import com.alibaba.fluss.metadata.TablePath; +import com.alibaba.fluss.types.DataType; +import com.alibaba.fluss.utils.IOUtils; + +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.catalog.Catalog; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.SupportsNamespaces; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.types.Type; +import org.apache.iceberg.types.Types; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +import static com.alibaba.fluss.metadata.TableDescriptor.BUCKET_COLUMN_NAME; +import static com.alibaba.fluss.metadata.TableDescriptor.OFFSET_COLUMN_NAME; +import static com.alibaba.fluss.metadata.TableDescriptor.TIMESTAMP_COLUMN_NAME; + +/** A Iceberg implementation of {@link LakeCatalog}. */ +public class IcebergLakeCatalog implements LakeCatalog { + + private static final LinkedHashMap<String, Type> SYSTEM_COLUMNS = new LinkedHashMap<>(); + + static { + // We need __bucket system column to filter out the given bucket + // for iceberg bucket append only table & primary key table. + SYSTEM_COLUMNS.put(BUCKET_COLUMN_NAME, Types.IntegerType.get()); + SYSTEM_COLUMNS.put(OFFSET_COLUMN_NAME, Types.LongType.get()); + SYSTEM_COLUMNS.put(TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone()); + } + + private final Catalog icebergCatalog; + + // for fluss config + private static final String FLUSS_CONF_PREFIX = "fluss."; + // for iceberg config + private static final String ICEBERG_CONF_PREFIX = "iceberg."; + private static final String ICEBERG_CATALOG_PREFIX = "iceberg.catalog."; + + public IcebergLakeCatalog(Configuration configuration) { + // Extract Iceberg catalog properties from Fluss configuration + Map<String, String> icebergProps = + configuration.toMap().entrySet().stream() + .filter(e -> e.getKey().startsWith(ICEBERG_CATALOG_PREFIX)) + .collect( + Collectors.toMap( + e -> e.getKey().substring(ICEBERG_CATALOG_PREFIX.length()), + Map.Entry::getValue)); + + String catalogType = icebergProps.get("type"); + if (catalogType == null) { + throw new IllegalArgumentException( + "Missing required Iceberg catalog type. Set 'iceberg.catalog.type' in your configuration (e.g., 'hive', 'hadoop', or 'rest')."); + } + String catalogName = icebergProps.getOrDefault("name", "fluss-iceberg-catalog"); + + this.icebergCatalog = + org.apache.iceberg.CatalogUtil.loadCatalog( + catalogType, + catalogName, + icebergProps, + null // Optional: pass Hadoop configuration if available + ); + } + + @Override + public void createTable(TablePath tablePath, TableDescriptor tableDescriptor) + throws TableAlreadyExistException { + if (!tableDescriptor.hasPrimaryKey()) { + throw new UnsupportedOperationException( + "Only primary key tables are supported currently."); + } + + TableIdentifier icebergId = toIcebergIdentifier(tablePath); + Schema icebergSchema = toIcebergSchema(tableDescriptor); + PartitionSpec partitionSpec = createPartitionSpec(tableDescriptor, icebergSchema); + + Map<String, String> icebergProperties = new HashMap<>(); + + // MOR table properties + icebergProperties.put("write.delete.mode", "merge-on-read"); + icebergProperties.put("write.update.mode", "merge-on-read"); + icebergProperties.put("write.merge.mode", "merge-on-read"); + + tableDescriptor + .getProperties() + .forEach((k, v) -> setFlussPropertyToIceberg(k, v, icebergProperties)); + tableDescriptor + .getCustomProperties() + .forEach((k, v) -> setFlussPropertyToIceberg(k, v, icebergProperties)); + + createDatabase(tablePath.getDatabaseName()); + + try { + createTable(icebergId, icebergSchema, partitionSpec, icebergProperties); + } catch (org.apache.iceberg.exceptions.AlreadyExistsException e) { + throw new TableAlreadyExistException("Table " + tablePath + " already exists."); + } + } + + private void createTable( + TableIdentifier icebergId, + Schema icebergSchema, + PartitionSpec partitionSpec, + Map<String, String> icebergTableProperties) + throws org.apache.iceberg.exceptions.NoSuchNamespaceException, + org.apache.iceberg.exceptions.AlreadyExistsException { + + icebergCatalog.createTable(icebergId, icebergSchema, partitionSpec, icebergTableProperties); + } + + private TableIdentifier toIcebergIdentifier(TablePath tablePath) { + return TableIdentifier.of(tablePath.getDatabaseName(), tablePath.getTableName()); + } + + private Schema toIcebergSchema(TableDescriptor tableDescriptor) { + List<Types.NestedField> fields = new ArrayList<>(); + int fieldId = 1; + + for (com.alibaba.fluss.metadata.Schema.Column column : + tableDescriptor.getSchema().getColumns()) { + String colName = column.getName(); + if (SYSTEM_COLUMNS.containsKey(colName)) { + throw new IllegalArgumentException( + "Column '" + colName + "' conflicts with a reserved system column name."); + } + fields.add( + Types.NestedField.optional( + fieldId++, colName, convertFlussToIcebergType(column.getDataType()))); + } + + fields.add( + Types.NestedField.optional(fieldId, BUCKET_COLUMN_NAME, Types.IntegerType.get())); + fields.add( + Types.NestedField.optional(fieldId + 1, OFFSET_COLUMN_NAME, Types.LongType.get())); + fields.add( + Types.NestedField.optional( + fieldId + 2, TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone())); Review Comment: This line uses the same fieldId as the previous field. It should use fieldId++ to increment the ID before using it. ```suggestion fieldId++; fields.add( Types.NestedField.optional(fieldId, BUCKET_COLUMN_NAME, Types.IntegerType.get())); fieldId++; fields.add( Types.NestedField.optional(fieldId, OFFSET_COLUMN_NAME, Types.LongType.get())); fieldId++; fields.add( Types.NestedField.optional(fieldId, TIMESTAMP_COLUMN_NAME, Types.TimestampType.withZone())); ``` -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
