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Support Glue catalog in Iceberg connector
Co-authored-by: Alex <jo.alex2144@gmail.com>
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118
plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/catalog/AbstractTrinoCatalog.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| * Licensed 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 io.trino.plugin.iceberg.catalog; | ||
|
|
||
| import io.trino.plugin.hive.HdfsEnvironment; | ||
| import io.trino.plugin.iceberg.ColumnIdentity; | ||
| import io.trino.spi.TrinoException; | ||
| import io.trino.spi.connector.ConnectorSession; | ||
| import io.trino.spi.connector.SchemaTableName; | ||
| import org.apache.hadoop.fs.FileSystem; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.iceberg.PartitionSpec; | ||
| import org.apache.iceberg.Schema; | ||
| import org.apache.iceberg.Table; | ||
| import org.apache.iceberg.TableMetadata; | ||
| import org.apache.iceberg.TableOperations; | ||
| import org.apache.iceberg.Transaction; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
|
|
||
| import static io.trino.plugin.hive.HiveMetadata.TABLE_COMMENT; | ||
| import static io.trino.plugin.iceberg.IcebergErrorCode.ICEBERG_FILESYSTEM_ERROR; | ||
| import static java.lang.String.format; | ||
| import static java.util.Objects.requireNonNull; | ||
| import static java.util.UUID.randomUUID; | ||
| import static org.apache.iceberg.TableMetadata.newTableMetadata; | ||
| import static org.apache.iceberg.Transactions.createTableTransaction; | ||
|
|
||
| public abstract class AbstractTrinoCatalog | ||
| implements TrinoCatalog | ||
| { | ||
| protected final IcebergTableOperationsProvider tableOperationsProvider; | ||
| private final boolean useUniqueTableLocation; | ||
|
|
||
| protected AbstractTrinoCatalog( | ||
| IcebergTableOperationsProvider tableOperationsProvider, | ||
| boolean useUniqueTableLocation) | ||
| { | ||
| this.tableOperationsProvider = requireNonNull(tableOperationsProvider, "tableOperationsProvider is null"); | ||
| this.useUniqueTableLocation = useUniqueTableLocation; | ||
| } | ||
|
|
||
| @Override | ||
| public void updateTableComment(ConnectorSession session, SchemaTableName schemaTableName, Optional<String> comment) | ||
| { | ||
| Table icebergTable = loadTable(session, schemaTableName); | ||
| if (comment.isEmpty()) { | ||
| icebergTable.updateProperties().remove(TABLE_COMMENT).commit(); | ||
| } | ||
| else { | ||
| icebergTable.updateProperties().set(TABLE_COMMENT, comment.get()).commit(); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void updateColumnComment(ConnectorSession session, SchemaTableName schemaTableName, ColumnIdentity columnIdentity, Optional<String> comment) | ||
| { | ||
| Table icebergTable = loadTable(session, schemaTableName); | ||
| icebergTable.updateSchema().updateColumnDoc(columnIdentity.getName(), comment.orElse(null)).commit(); | ||
| } | ||
|
|
||
| protected Transaction newCreateTableTransaction( | ||
| ConnectorSession session, | ||
| SchemaTableName schemaTableName, | ||
| Schema schema, | ||
| PartitionSpec partitionSpec, | ||
| String location, | ||
| Map<String, String> properties, | ||
| Optional<String> owner) | ||
| { | ||
| TableMetadata metadata = newTableMetadata(schema, partitionSpec, location, properties); | ||
| TableOperations ops = tableOperationsProvider.createTableOperations( | ||
| this, | ||
| session, | ||
| schemaTableName.getSchemaName(), | ||
| schemaTableName.getTableName(), | ||
| owner, | ||
| Optional.of(location)); | ||
| return createTableTransaction(schemaTableName.toString(), ops, metadata); | ||
| } | ||
|
|
||
| protected String createNewTableName(String baseTableName) | ||
| { | ||
| String tableName = baseTableName; | ||
| if (useUniqueTableLocation) { | ||
| tableName += "-" + randomUUID().toString().replace("-", ""); | ||
| } | ||
| return tableName; | ||
| } | ||
|
|
||
| protected void deleteTableDirectory( | ||
| ConnectorSession session, | ||
| SchemaTableName schemaTableName, | ||
| HdfsEnvironment hdfsEnvironment, | ||
| Path tableLocation) | ||
| { | ||
| try { | ||
| FileSystem fileSystem = hdfsEnvironment.getFileSystem(new HdfsEnvironment.HdfsContext(session), tableLocation); | ||
| fileSystem.delete(tableLocation, true); | ||
| } | ||
| catch (IOException e) { | ||
| throw new TrinoException(ICEBERG_FILESYSTEM_ERROR, format("Failed to delete directory %s of the table %s", tableLocation, schemaTableName), e); | ||
| } | ||
| } | ||
| } |
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