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...k/paimon-spark-3.3/src/main/scala/org/apache/spark/sql/connector/catalog/ViewCatalog.java
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| /* | ||
| * 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.spark.sql.connector.catalog; | ||
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| /** | ||
| * Dummy placeholder to resolve compatibility issue of CatalogMaterializedTable(introduced in flink | ||
| * 1.20). | ||
| */ | ||
| public interface ViewCatalog { | ||
| } |
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92 changes: 92 additions & 0 deletions
92
paimon-spark/paimon-spark-common/src/main/java/org/apache/paimon/spark/SparkView.java
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| /* | ||
| * 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.paimon.spark; | ||
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| import org.apache.paimon.types.DataField; | ||
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| import org.apache.spark.sql.connector.catalog.View; | ||
| import org.apache.spark.sql.types.StructType; | ||
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| import java.util.Map; | ||
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| /** Spark {@link View} for paimon. */ | ||
| public class SparkView implements View { | ||
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| public static final String QUERY_COLUMN_NAMES = "spark.query-column-names"; | ||
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| private final String catalogName; | ||
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| private final org.apache.paimon.view.View paimonView; | ||
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| public SparkView(String catalogName, org.apache.paimon.view.View paimonView) { | ||
| this.paimonView = paimonView; | ||
| this.catalogName = catalogName; | ||
| } | ||
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| @Override | ||
| public String name() { | ||
| return paimonView.fullName(); | ||
| } | ||
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| @Override | ||
| public String query() { | ||
| return paimonView.query(); | ||
| } | ||
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| @Override | ||
| public String currentCatalog() { | ||
| return catalogName; | ||
| } | ||
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| @Override | ||
| public String[] currentNamespace() { | ||
| return new String[] {paimonView.fullName().split("\\.")[0]}; | ||
| } | ||
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| @Override | ||
| public StructType schema() { | ||
| return SparkTypeUtils.fromPaimonRowType(paimonView.rowType()); | ||
| } | ||
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| @Override | ||
| public String[] queryColumnNames() { | ||
| return paimonView.options().containsKey(QUERY_COLUMN_NAMES) | ||
| ? paimonView.options().get(QUERY_COLUMN_NAMES).split(",") | ||
| : new String[0]; | ||
| } | ||
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| @Override | ||
| public String[] columnAliases() { | ||
| return paimonView.rowType().getFields().stream() | ||
| .map(DataField::name) | ||
| .toArray(String[]::new); | ||
| } | ||
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| @Override | ||
| public String[] columnComments() { | ||
| return paimonView.rowType().getFields().stream() | ||
| .map(DataField::description) | ||
| .toArray(String[]::new); | ||
| } | ||
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| @Override | ||
| public Map<String, String> properties() { | ||
| return paimonView.options(); | ||
| } | ||
| } |
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65
paimon-spark/paimon-spark-common/src/test/java/org/apache/paimon/spark/SparkViewTest.java
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| package org.apache.paimon.spark; | ||
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| import org.apache.paimon.fs.Path; | ||
| import org.apache.paimon.hive.TestHiveMetastore; | ||
| import org.apache.spark.sql.SparkSession; | ||
| import org.junit.jupiter.api.AfterAll; | ||
| import org.junit.jupiter.api.BeforeAll; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.io.TempDir; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
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| public class SparkViewTest { | ||
| private static TestHiveMetastore testHiveMetastore; | ||
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| private static final int PORT = 9087; | ||
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| @BeforeAll | ||
| public static void startMetastore() { | ||
| testHiveMetastore = new TestHiveMetastore(); | ||
| testHiveMetastore.start(PORT); | ||
| } | ||
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| @AfterAll | ||
| public static void closeMetastore() throws Exception { | ||
| testHiveMetastore.stop(); | ||
| } | ||
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| // @Test | ||
| // public void testView(@TempDir java.nio.file.Path tempDir) { | ||
| // // firstly, we use hive metastore to create table, and check the result. | ||
| // Path warehousePath = new Path("file:" + tempDir.toString()); | ||
| // SparkSession spark = | ||
| // SparkSession.builder() | ||
| // .config("spark.sql.warehouse.dir", warehousePath.toString()) | ||
| // // with case-sensitive false | ||
| // .config("spark.sql.caseSensitive", "false") | ||
| // // with hive metastore | ||
| // .config("spark.sql.catalogImplementation", "hive") | ||
| // .config( | ||
| // "spark.sql.catalog.spark_catalog", | ||
| // SparkCatalog.class.getName()) | ||
| // .master("local[2]") | ||
| // .getOrCreate(); | ||
| // | ||
| // spark.sql("CREATE DATABASE IF NOT EXISTS my_db1"); | ||
| // spark.sql("USE my_db1"); | ||
| // spark.sql( | ||
| // "CREATE TABLE IF NOT EXISTS t2 (a INT, Bb INT, c STRING) USING paimon TBLPROPERTIES" | ||
| // + " ('file.format'='avro')"); | ||
| // | ||
| // spark.sql("CREATE DATABASE IF NOT EXISTS my_db1"); | ||
| // spark.sql("USE spark_catalog.my_db1"); | ||
| // spark.sql( | ||
| // "CREATE TABLE db_pt (a INT, b INT, c STRING) USING paimon TBLPROPERTIES" | ||
| // + " ('file.format'='avro')"); | ||
| // spark.sql("INSERT INTO db_pt VALUES (1, 2, '3'), (4, 5, '6')"); | ||
| // spark.sql("CREATE VIEW spark_view as select a , b from db_pt"); | ||
| // spark.sql("show views").collectAsList().forEach(System.out::println); | ||
| // spark.sql("select * from spark_view").collectAsList().forEach(System.out::println); | ||
| // | ||
| // | ||
| // spark.close(); | ||
| // } | ||
| } |
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