zratkai commented on code in PR #12461: URL: https://github.com/apache/iceberg/pull/12461#discussion_r1989287785
########## hive-metastore/src/main/java/org/apache/iceberg/hive/IcebergTableConverter.java: ########## @@ -0,0 +1,197 @@ +/* + * 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.hive; + +import java.util.Locale; +import java.util.Map; +import java.util.Optional; +import java.util.Set; +import org.apache.hadoop.hive.common.StatsSetupConst; +import org.apache.hadoop.hive.metastore.api.Table; +import org.apache.hadoop.hive.metastore.api.hive_metastoreConstants; +import org.apache.hive.iceberg.com.fasterxml.jackson.core.JsonProcessingException; +import org.apache.iceberg.BaseMetastoreTableOperations; +import org.apache.iceberg.PartitionSpecParser; +import org.apache.iceberg.Schema; +import org.apache.iceberg.SchemaParser; +import org.apache.iceberg.Snapshot; +import org.apache.iceberg.SnapshotSummary; +import org.apache.iceberg.SortOrderParser; +import org.apache.iceberg.TableMetadata; +import org.apache.iceberg.TableProperties; +import org.apache.iceberg.relocated.com.google.common.annotations.VisibleForTesting; +import org.apache.iceberg.relocated.com.google.common.collect.BiMap; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableBiMap; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.apache.iceberg.util.JsonUtil; +import org.apache.parquet.hadoop.ParquetOutputFormat; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.apache.iceberg.TableProperties.GC_ENABLED; + +public class IcebergTableConverter { + private static final Logger LOG = LoggerFactory.getLogger(IcebergTableConverter.class); + + private static final String HIVE_ICEBERG_METADATA_REFRESH_MAX_RETRIES = "iceberg.hive.metadata-refresh-max-retries"; + private static final int HIVE_ICEBERG_METADATA_REFRESH_MAX_RETRIES_DEFAULT = 2; + public static final String TABLE_TYPE_PROP = "table_type"; + public static final String ICEBERG_TABLE_TYPE_VALUE = "iceberg"; + + private static final BiMap<String, String> ICEBERG_TO_HMS_TRANSLATION = ImmutableBiMap.of( + // gc.enabled in Iceberg and external.table.purge in Hive are meant to do the same things + // but with different names + GC_ENABLED, "external.table.purge", TableProperties.PARQUET_COMPRESSION, ParquetOutputFormat.COMPRESSION, + TableProperties.PARQUET_ROW_GROUP_SIZE_BYTES, ParquetOutputFormat.BLOCK_SIZE); + + private final long maxHiveTablePropertySize; + + public IcebergTableConverter(long maxHiveTablePropertySize) { Review Comment: Fixed. ########## hive-metastore/src/main/java/org/apache/iceberg/hive/IcebergTableConverter.java: ########## @@ -0,0 +1,197 @@ +/* + * 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.hive; + +import java.util.Locale; +import java.util.Map; +import java.util.Optional; +import java.util.Set; +import org.apache.hadoop.hive.common.StatsSetupConst; +import org.apache.hadoop.hive.metastore.api.Table; +import org.apache.hadoop.hive.metastore.api.hive_metastoreConstants; +import org.apache.hive.iceberg.com.fasterxml.jackson.core.JsonProcessingException; +import org.apache.iceberg.BaseMetastoreTableOperations; +import org.apache.iceberg.PartitionSpecParser; +import org.apache.iceberg.Schema; +import org.apache.iceberg.SchemaParser; +import org.apache.iceberg.Snapshot; +import org.apache.iceberg.SnapshotSummary; +import org.apache.iceberg.SortOrderParser; +import org.apache.iceberg.TableMetadata; +import org.apache.iceberg.TableProperties; +import org.apache.iceberg.relocated.com.google.common.annotations.VisibleForTesting; +import org.apache.iceberg.relocated.com.google.common.collect.BiMap; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableBiMap; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.apache.iceberg.util.JsonUtil; +import org.apache.parquet.hadoop.ParquetOutputFormat; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.apache.iceberg.TableProperties.GC_ENABLED; + +public class IcebergTableConverter { + private static final Logger LOG = LoggerFactory.getLogger(IcebergTableConverter.class); + + private static final String HIVE_ICEBERG_METADATA_REFRESH_MAX_RETRIES = "iceberg.hive.metadata-refresh-max-retries"; + private static final int HIVE_ICEBERG_METADATA_REFRESH_MAX_RETRIES_DEFAULT = 2; + public static final String TABLE_TYPE_PROP = "table_type"; + public static final String ICEBERG_TABLE_TYPE_VALUE = "iceberg"; + + private static final BiMap<String, String> ICEBERG_TO_HMS_TRANSLATION = ImmutableBiMap.of( + // gc.enabled in Iceberg and external.table.purge in Hive are meant to do the same things + // but with different names + GC_ENABLED, "external.table.purge", TableProperties.PARQUET_COMPRESSION, ParquetOutputFormat.COMPRESSION, + TableProperties.PARQUET_ROW_GROUP_SIZE_BYTES, ParquetOutputFormat.BLOCK_SIZE); + + private final long maxHiveTablePropertySize; + + public IcebergTableConverter(long maxHiveTablePropertySize) { + this.maxHiveTablePropertySize = maxHiveTablePropertySize; + } + + public void setHmsTableParameters(String newMetadataLocation, Table tbl, TableMetadata metadata, + Set<String> obsoleteProps, boolean hiveEngineEnabled) { + Map<String, String> parameters = Optional.ofNullable(tbl.getParameters()).orElseGet(Maps::newHashMap); + Map<String, String> summary = Optional.ofNullable(metadata.currentSnapshot()).map(Snapshot::summary) + .orElseGet(ImmutableMap::of); + // push all Iceberg table properties into HMS + metadata.properties().entrySet().stream() + .filter(entry -> !entry.getKey().equalsIgnoreCase(HiveCatalog.HMS_TABLE_OWNER)).forEach(entry -> { + String key = entry.getKey(); + // translate key names between Iceberg and HMS where needed + String hmsKey = ICEBERG_TO_HMS_TRANSLATION.getOrDefault(key, key); + parameters.put(hmsKey, entry.getValue()); + }); + if (metadata.uuid() != null) { + parameters.put(TableProperties.UUID, metadata.uuid()); + } + + // remove any props from HMS that are no longer present in Iceberg table props + if (obsoleteProps != null) { + obsoleteProps.forEach(parameters::remove); + } + parameters.put(TABLE_TYPE_PROP, ICEBERG_TABLE_TYPE_VALUE.toUpperCase(Locale.ENGLISH)); + parameters.put(BaseMetastoreTableOperations.METADATA_LOCATION_PROP, newMetadataLocation); + +// if (currentMetadataLocation() != null && !currentMetadataLocation().isEmpty()) { Review Comment: Fixed. -- This is an automated message from the Apache Git Service. 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