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[590] Add Delta Glue Catalog Sync implementation #637
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the-other-tim-brown
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apache:main
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kroushan-nit:590-DeltaGlueSync
Feb 6, 2025
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116 changes: 116 additions & 0 deletions
116
xtable-aws/src/main/java/org/apache/xtable/glue/table/DeltaGlueCatalogTableBuilder.java
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| @@ -0,0 +1,116 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.xtable.glue.table; | ||
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| import static org.apache.iceberg.BaseMetastoreTableOperations.TABLE_TYPE_PROP; | ||
| import static org.apache.xtable.catalog.CatalogUtils.toHierarchicalTableIdentifier; | ||
| import static org.apache.xtable.catalog.Constants.PROP_EXTERNAL; | ||
| import static org.apache.xtable.catalog.Constants.PROP_PATH; | ||
| import static org.apache.xtable.catalog.Constants.PROP_SERIALIZATION_FORMAT; | ||
| import static org.apache.xtable.catalog.Constants.PROP_SPARK_SQL_SOURCES_PROVIDER; | ||
| import static org.apache.xtable.glue.GlueCatalogSyncClient.GLUE_EXTERNAL_TABLE_TYPE; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
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| import com.google.common.annotations.VisibleForTesting; | ||
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| import org.apache.xtable.catalog.CatalogTableBuilder; | ||
| import org.apache.xtable.glue.GlueSchemaExtractor; | ||
| import org.apache.xtable.model.InternalTable; | ||
| import org.apache.xtable.model.catalog.CatalogTableIdentifier; | ||
| import org.apache.xtable.model.catalog.HierarchicalTableIdentifier; | ||
| import org.apache.xtable.model.storage.TableFormat; | ||
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| import software.amazon.awssdk.services.glue.model.Column; | ||
| import software.amazon.awssdk.services.glue.model.SerDeInfo; | ||
| import software.amazon.awssdk.services.glue.model.StorageDescriptor; | ||
| import software.amazon.awssdk.services.glue.model.Table; | ||
| import software.amazon.awssdk.services.glue.model.TableInput; | ||
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| /** Delta specific table operations for Glue catalog sync */ | ||
| public class DeltaGlueCatalogTableBuilder implements CatalogTableBuilder<TableInput, Table> { | ||
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| private final GlueSchemaExtractor schemaExtractor; | ||
| private static final String tableFormat = TableFormat.DELTA; | ||
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| public DeltaGlueCatalogTableBuilder() { | ||
| this.schemaExtractor = GlueSchemaExtractor.getInstance(); | ||
| } | ||
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| @Override | ||
| public TableInput getCreateTableRequest( | ||
| InternalTable table, CatalogTableIdentifier tblIdentifier) { | ||
| HierarchicalTableIdentifier tableIdentifier = toHierarchicalTableIdentifier(tblIdentifier); | ||
| Map<String, Column> columnsMap = | ||
| schemaExtractor.toColumns(tableFormat, table.getReadSchema()).stream() | ||
| .collect(Collectors.toMap(Column::name, c -> c)); | ||
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| return TableInput.builder() | ||
| .name(tableIdentifier.getTableName()) | ||
| .tableType(GLUE_EXTERNAL_TABLE_TYPE) | ||
| .parameters(getTableParameters()) | ||
| .storageDescriptor( | ||
| StorageDescriptor.builder() | ||
| .columns(schemaExtractor.getNonPartitionColumns(table, columnsMap)) | ||
| .location(table.getBasePath()) | ||
| .serdeInfo(SerDeInfo.builder().parameters(getSerDeParameters(table)).build()) | ||
| .build()) | ||
| .partitionKeys(schemaExtractor.getPartitionColumns(table, columnsMap)) | ||
| .build(); | ||
| } | ||
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| @Override | ||
| public TableInput getUpdateTableRequest( | ||
| InternalTable table, Table catalogTable, CatalogTableIdentifier tblIdentifier) { | ||
| HierarchicalTableIdentifier tableIdentifier = toHierarchicalTableIdentifier(tblIdentifier); | ||
| Map<String, String> parameters = new HashMap<>(catalogTable.parameters()); | ||
| Map<String, Column> columnsMap = | ||
| schemaExtractor.toColumns(tableFormat, table.getReadSchema(), catalogTable).stream() | ||
| .collect(Collectors.toMap(Column::name, c -> c)); | ||
| return TableInput.builder() | ||
| .name(tableIdentifier.getTableName()) | ||
| .tableType(GLUE_EXTERNAL_TABLE_TYPE) | ||
| .parameters(parameters) | ||
| .storageDescriptor( | ||
| catalogTable.storageDescriptor().toBuilder() | ||
| .columns(schemaExtractor.getNonPartitionColumns(table, columnsMap)) | ||
| .build()) | ||
| .partitionKeys(schemaExtractor.getPartitionColumns(table, columnsMap)) | ||
| .build(); | ||
| } | ||
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| @VisibleForTesting | ||
| Map<String, String> getTableParameters() { | ||
| Map<String, String> parameters = new HashMap<>(); | ||
| parameters.put(TABLE_TYPE_PROP, tableFormat); | ||
| parameters.put(PROP_SPARK_SQL_SOURCES_PROVIDER, tableFormat); | ||
| parameters.put(PROP_EXTERNAL, "TRUE"); | ||
| return parameters; | ||
| } | ||
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| @VisibleForTesting | ||
| Map<String, String> getSerDeParameters(InternalTable table) { | ||
| Map<String, String> parameters = new HashMap<>(); | ||
| parameters.put(PROP_SERIALIZATION_FORMAT, "1"); | ||
| parameters.put(PROP_PATH, table.getBasePath()); | ||
| return parameters; | ||
| } | ||
| } |
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