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Posted to issues@paimon.apache.org by "tsreaper (via GitHub)" <gi...@apache.org> on 2024/10/17 08:55:33 UTC
[PR] [hive] Support syncing Iceberg compatible metadata to Hive, so Paimon table can be accessed from Iceberg Hive catalog [paimon]
tsreaper opened a new pull request, #4343:
URL: https://github.com/apache/paimon/pull/4343
### Purpose
Iceberg Hive catalog is the most widely used Iceberg catalog. This PR supports syncing Iceberg compatible metadata to Hive, so Paimon table can be accessed from Iceberg Hive catalog.
### Tests
IT cases.
### API and Format
No format changes.
### Documentation
Document is also added.
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Re: [PR] [hive] Support syncing Iceberg compatible metadata to Hive, so Paimon table can be accessed from Iceberg Hive catalog [paimon]
Posted by "wwj6591812 (via GitHub)" <gi...@apache.org>.
wwj6591812 commented on code in PR #4343:
URL: https://github.com/apache/paimon/pull/4343#discussion_r1806249047
##########
paimon-hive/paimon-hive-catalog/src/main/java/org/apache/paimon/iceberg/IcebergHiveMetadataCommitter.java:
##########
@@ -0,0 +1,216 @@
+/*
+ * 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.paimon.iceberg;
+
+import org.apache.paimon.catalog.Identifier;
+import org.apache.paimon.client.ClientPool;
+import org.apache.paimon.fs.Path;
+import org.apache.paimon.hive.HiveCatalog;
+import org.apache.paimon.hive.HiveCatalogFactory;
+import org.apache.paimon.hive.HiveTypeUtils;
+import org.apache.paimon.hive.pool.CachedClientPool;
+import org.apache.paimon.options.Options;
+import org.apache.paimon.table.FileStoreTable;
+import org.apache.paimon.types.DataField;
+import org.apache.paimon.utils.Preconditions;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.IMetaStoreClient;
+import org.apache.hadoop.hive.metastore.api.Database;
+import org.apache.hadoop.hive.metastore.api.FieldSchema;
+import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
+import org.apache.hadoop.hive.metastore.api.SerDeInfo;
+import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
+import org.apache.hadoop.hive.metastore.api.Table;
+import org.apache.thrift.TException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nullable;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.stream.Collectors;
+
+/**
+ * {@link IcebergMetadataCommitter} to commit Iceberg metadata to Hive metastore, so the table can
+ * be visited by Iceberg's Hive catalog.
+ */
+public class IcebergHiveMetadataCommitter implements IcebergMetadataCommitter {
+
+ private static final Logger LOG = LoggerFactory.getLogger(IcebergHiveMetadataCommitter.class);
+
+ private final FileStoreTable table;
+ private final Identifier identifier;
+ private final ClientPool<IMetaStoreClient, TException> clients;
+
+ public IcebergHiveMetadataCommitter(FileStoreTable table) {
+ this.table = table;
+ this.identifier =
+ Preconditions.checkNotNull(
+ table.catalogEnvironment().identifier(),
+ "If you want to sync Paimon Iceberg compatible metadata to Hive, "
+ + "you must use a Paimon table created from a Paimon catalog, "
+ + "instead of a temporary table.");
+ Preconditions.checkArgument(
+ identifier.getBranchName() == null,
+ "Paimon Iceberg compatibility currently does not support branches.");
+
+ Options options = new Options(table.options());
+ String uri = options.get(IcebergOptions.URI);
+ String hiveConfDir = options.get(IcebergOptions.HIVE_CONF_DIR);
+ String hadoopConfDir = options.get(IcebergOptions.HADOOP_CONF_DIR);
+ Configuration hadoopConf = new Configuration();
+ hadoopConf.setClassLoader(IcebergHiveMetadataCommitter.class.getClassLoader());
+ HiveConf hiveConf = HiveCatalog.createHiveConf(hiveConfDir, hadoopConfDir, hadoopConf);
+
+ table.options().forEach(hiveConf::set);
+ if (uri != null) {
+ hiveConf.set(HiveConf.ConfVars.METASTOREURIS.varname, uri);
+ }
+
+ if (hiveConf.get(HiveConf.ConfVars.METASTOREURIS.varname) == null) {
+ LOG.error(
+ "Can't find hive metastore uri to connect: "
+ + "either set {} for paimon table or set hive.metastore.uris "
+ + "in hive-site.xml or hadoop configurations. "
+ + "Will use empty metastore uris, which means we may use a embedded metastore. "
+ + "The may cause unpredictable consensus problem.",
+ IcebergOptions.URI.key());
+ }
+
+ this.clients =
+ new CachedClientPool(
+ hiveConf,
+ options,
+ HiveCatalogFactory.METASTORE_CLIENT_CLASS.defaultValue());
+ }
+
+ @Override
+ public void commitMetadata(Path newMetadataPath, @Nullable Path baseMetadataPath) {
+ try {
+ commitMetadataImpl(newMetadataPath, baseMetadataPath);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void commitMetadataImpl(Path newMetadataPath, @Nullable Path baseMetadataPath)
+ throws Exception {
+ if (!databaseExists(identifier.getDatabaseName())) {
+ createDatabase(identifier.getDatabaseName());
+ }
+
+ Table hiveTable;
+ if (tableExists(identifier)) {
+ hiveTable =
+ clients.run(
+ client ->
+ client.getTable(
+ identifier.getDatabaseName(),
+ identifier.getTableName()));
+ } else {
+ hiveTable = createTable(newMetadataPath);
+ }
+
+ hiveTable.getParameters().put("metadata_location", newMetadataPath.toString());
+ if (baseMetadataPath != null) {
+ hiveTable
+ .getParameters()
+ .put("previous_metadata_location", baseMetadataPath.toString());
+ }
+
+ clients.execute(
+ client ->
+ client.alter_table(
+ identifier.getDatabaseName(),
+ identifier.getTableName(),
+ hiveTable,
+ true));
+ }
+
+ private boolean databaseExists(String databaseName) throws Exception {
+ try {
+ clients.run(client -> client.getDatabase(databaseName));
+ return true;
+ } catch (NoSuchObjectException ignore) {
+ return false;
+ }
+ }
+
+ private void createDatabase(String databaseName) throws Exception {
+ Database database = new Database();
+ database.setName(databaseName);
+ clients.execute(client -> client.createDatabase(database));
+ }
+
+ private boolean tableExists(Identifier identifier) throws Exception {
+ return clients.run(
+ client ->
+ client.tableExists(
+ identifier.getDatabaseName(), identifier.getTableName()));
+ }
+
+ private Table createTable(Path metadataPath) throws Exception {
+ long currentTimeMillis = System.currentTimeMillis();
+ Table hiveTable =
+ new Table(
+ identifier.getTableName(),
+ identifier.getDatabaseName(),
+ // current linux user
+ System.getProperty("user.name"),
+ (int) (currentTimeMillis / 1000),
+ (int) (currentTimeMillis / 1000),
+ Integer.MAX_VALUE,
+ new StorageDescriptor(),
+ Collections.emptyList(),
+ new HashMap<>(),
Review Comment:
new HashMap<>(3),
##########
paimon-hive/paimon-hive-catalog/src/main/java/org/apache/paimon/iceberg/IcebergHiveMetadataCommitter.java:
##########
@@ -0,0 +1,216 @@
+/*
+ * 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.paimon.iceberg;
+
+import org.apache.paimon.catalog.Identifier;
+import org.apache.paimon.client.ClientPool;
+import org.apache.paimon.fs.Path;
+import org.apache.paimon.hive.HiveCatalog;
+import org.apache.paimon.hive.HiveCatalogFactory;
+import org.apache.paimon.hive.HiveTypeUtils;
+import org.apache.paimon.hive.pool.CachedClientPool;
+import org.apache.paimon.options.Options;
+import org.apache.paimon.table.FileStoreTable;
+import org.apache.paimon.types.DataField;
+import org.apache.paimon.utils.Preconditions;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.IMetaStoreClient;
+import org.apache.hadoop.hive.metastore.api.Database;
+import org.apache.hadoop.hive.metastore.api.FieldSchema;
+import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
+import org.apache.hadoop.hive.metastore.api.SerDeInfo;
+import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
+import org.apache.hadoop.hive.metastore.api.Table;
+import org.apache.thrift.TException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nullable;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.stream.Collectors;
+
+/**
+ * {@link IcebergMetadataCommitter} to commit Iceberg metadata to Hive metastore, so the table can
+ * be visited by Iceberg's Hive catalog.
+ */
+public class IcebergHiveMetadataCommitter implements IcebergMetadataCommitter {
+
+ private static final Logger LOG = LoggerFactory.getLogger(IcebergHiveMetadataCommitter.class);
+
+ private final FileStoreTable table;
+ private final Identifier identifier;
+ private final ClientPool<IMetaStoreClient, TException> clients;
+
+ public IcebergHiveMetadataCommitter(FileStoreTable table) {
+ this.table = table;
+ this.identifier =
+ Preconditions.checkNotNull(
+ table.catalogEnvironment().identifier(),
+ "If you want to sync Paimon Iceberg compatible metadata to Hive, "
+ + "you must use a Paimon table created from a Paimon catalog, "
+ + "instead of a temporary table.");
+ Preconditions.checkArgument(
+ identifier.getBranchName() == null,
+ "Paimon Iceberg compatibility currently does not support branches.");
+
+ Options options = new Options(table.options());
+ String uri = options.get(IcebergOptions.URI);
+ String hiveConfDir = options.get(IcebergOptions.HIVE_CONF_DIR);
+ String hadoopConfDir = options.get(IcebergOptions.HADOOP_CONF_DIR);
+ Configuration hadoopConf = new Configuration();
+ hadoopConf.setClassLoader(IcebergHiveMetadataCommitter.class.getClassLoader());
+ HiveConf hiveConf = HiveCatalog.createHiveConf(hiveConfDir, hadoopConfDir, hadoopConf);
+
+ table.options().forEach(hiveConf::set);
+ if (uri != null) {
+ hiveConf.set(HiveConf.ConfVars.METASTOREURIS.varname, uri);
+ }
+
+ if (hiveConf.get(HiveConf.ConfVars.METASTOREURIS.varname) == null) {
+ LOG.error(
+ "Can't find hive metastore uri to connect: "
+ + "either set {} for paimon table or set hive.metastore.uris "
+ + "in hive-site.xml or hadoop configurations. "
+ + "Will use empty metastore uris, which means we may use a embedded metastore. "
+ + "The may cause unpredictable consensus problem.",
+ IcebergOptions.URI.key());
+ }
+
+ this.clients =
+ new CachedClientPool(
+ hiveConf,
+ options,
+ HiveCatalogFactory.METASTORE_CLIENT_CLASS.defaultValue());
+ }
+
+ @Override
+ public void commitMetadata(Path newMetadataPath, @Nullable Path baseMetadataPath) {
+ try {
+ commitMetadataImpl(newMetadataPath, baseMetadataPath);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void commitMetadataImpl(Path newMetadataPath, @Nullable Path baseMetadataPath)
Review Comment:
private
##########
paimon-hive/paimon-hive-catalog/src/main/java/org/apache/paimon/iceberg/IcebergHiveMetadataCommitter.java:
##########
@@ -0,0 +1,216 @@
+/*
+ * 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.paimon.iceberg;
+
+import org.apache.paimon.catalog.Identifier;
+import org.apache.paimon.client.ClientPool;
+import org.apache.paimon.fs.Path;
+import org.apache.paimon.hive.HiveCatalog;
+import org.apache.paimon.hive.HiveCatalogFactory;
+import org.apache.paimon.hive.HiveTypeUtils;
+import org.apache.paimon.hive.pool.CachedClientPool;
+import org.apache.paimon.options.Options;
+import org.apache.paimon.table.FileStoreTable;
+import org.apache.paimon.types.DataField;
+import org.apache.paimon.utils.Preconditions;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.IMetaStoreClient;
+import org.apache.hadoop.hive.metastore.api.Database;
+import org.apache.hadoop.hive.metastore.api.FieldSchema;
+import org.apache.hadoop.hive.metastore.api.NoSuchObjectException;
+import org.apache.hadoop.hive.metastore.api.SerDeInfo;
+import org.apache.hadoop.hive.metastore.api.StorageDescriptor;
+import org.apache.hadoop.hive.metastore.api.Table;
+import org.apache.thrift.TException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nullable;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.stream.Collectors;
+
+/**
+ * {@link IcebergMetadataCommitter} to commit Iceberg metadata to Hive metastore, so the table can
+ * be visited by Iceberg's Hive catalog.
+ */
+public class IcebergHiveMetadataCommitter implements IcebergMetadataCommitter {
+
+ private static final Logger LOG = LoggerFactory.getLogger(IcebergHiveMetadataCommitter.class);
+
+ private final FileStoreTable table;
+ private final Identifier identifier;
+ private final ClientPool<IMetaStoreClient, TException> clients;
+
+ public IcebergHiveMetadataCommitter(FileStoreTable table) {
+ this.table = table;
+ this.identifier =
+ Preconditions.checkNotNull(
+ table.catalogEnvironment().identifier(),
+ "If you want to sync Paimon Iceberg compatible metadata to Hive, "
+ + "you must use a Paimon table created from a Paimon catalog, "
+ + "instead of a temporary table.");
+ Preconditions.checkArgument(
+ identifier.getBranchName() == null,
+ "Paimon Iceberg compatibility currently does not support branches.");
+
+ Options options = new Options(table.options());
+ String uri = options.get(IcebergOptions.URI);
+ String hiveConfDir = options.get(IcebergOptions.HIVE_CONF_DIR);
+ String hadoopConfDir = options.get(IcebergOptions.HADOOP_CONF_DIR);
+ Configuration hadoopConf = new Configuration();
+ hadoopConf.setClassLoader(IcebergHiveMetadataCommitter.class.getClassLoader());
+ HiveConf hiveConf = HiveCatalog.createHiveConf(hiveConfDir, hadoopConfDir, hadoopConf);
+
+ table.options().forEach(hiveConf::set);
+ if (uri != null) {
+ hiveConf.set(HiveConf.ConfVars.METASTOREURIS.varname, uri);
+ }
+
+ if (hiveConf.get(HiveConf.ConfVars.METASTOREURIS.varname) == null) {
+ LOG.error(
+ "Can't find hive metastore uri to connect: "
+ + "either set {} for paimon table or set hive.metastore.uris "
+ + "in hive-site.xml or hadoop configurations. "
+ + "Will use empty metastore uris, which means we may use a embedded metastore. "
+ + "The may cause unpredictable consensus problem.",
Review Comment:
This may
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Re: [PR] [hive] Support syncing Iceberg compatible metadata to Hive, so Paimon table can be accessed from Iceberg Hive catalog [paimon]
Posted by "JingsongLi (via GitHub)" <gi...@apache.org>.
JingsongLi merged PR #4343:
URL: https://github.com/apache/paimon/pull/4343
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