adutra commented on code in PR #1303:
URL: https://github.com/apache/polaris/pull/1303#discussion_r2037263135
##########
plugins/spark/v3.5/build.gradle.kts:
##########
@@ -78,24 +94,64 @@ dependencies {
}
}
+tasks.register("checkNoDisallowedImports") {
Review Comment:
That's imho fine for now, but a more generic solution would be to use the
Gradle Checkstyle plugin.
##########
plugins/spark/v3.5/build.gradle.kts:
##########
@@ -41,18 +41,34 @@ val scalaVersion = getAndUseScalaVersionForProject()
val icebergVersion = pluginlibs.versions.iceberg.get()
val spark35Version = pluginlibs.versions.spark35.get()
+val scalaLibraryVersion =
+ if (scalaVersion == "2.12") {
+ pluginlibs.versions.scala212.get()
+ } else {
+ pluginlibs.versions.scala213.get()
+ }
+
dependencies {
implementation(project(":polaris-api-iceberg-service")) {
- // exclude the iceberg and jackson dependencies, use the
- // dependencies packed in the iceberg-spark dependency
+ // exclude the iceberg dependencies, use the ones pulled
+ // by iceberg-core
exclude("org.apache.iceberg", "*")
- exclude("com.fasterxml.jackson.core", "*")
}
+ implementation(project(":polaris-api-catalog-service"))
+ implementation(project(":polaris-core")) { exclude("org.apache.iceberg",
"*") }
+
+ implementation("org.apache.iceberg:iceberg-core:${icebergVersion}")
implementation(
"org.apache.iceberg:iceberg-spark-runtime-${sparkMajorVersion}_${scalaVersion}:${icebergVersion}"
- )
+ ) {
+ // exclude the iceberg rest dependencies, use the ones pulled
+ // with iceberg-core dependency
+ exclude("org.apache.iceberg", "rest")
Review Comment:
These modules do not exist.
##########
plugins/spark/v3.5/src/main/java/org/apache/polaris/spark/utils/PolarisCatalogUtils.java:
##########
@@ -0,0 +1,122 @@
+/*
+ * 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.polaris.spark.utils;
+
+import com.google.common.collect.Maps;
+import java.lang.reflect.Field;
+import java.util.Map;
+import org.apache.iceberg.CachingCatalog;
+import org.apache.iceberg.catalog.Catalog;
+import org.apache.iceberg.catalog.TableIdentifier;
+import org.apache.iceberg.exceptions.NoSuchTableException;
+import org.apache.iceberg.rest.RESTCatalog;
+import org.apache.iceberg.rest.RESTSessionCatalog;
+import org.apache.iceberg.rest.auth.OAuth2Util;
+import org.apache.iceberg.spark.SparkCatalog;
+import org.apache.polaris.service.types.GenericTable;
+import org.apache.spark.sql.SparkSession;
+import org.apache.spark.sql.connector.catalog.Table;
+import org.apache.spark.sql.connector.catalog.TableCatalog;
+import org.apache.spark.sql.connector.catalog.TableProvider;
+import org.apache.spark.sql.execution.datasources.DataSource;
+import org.apache.spark.sql.execution.datasources.v2.DataSourceV2Utils;
+import org.apache.spark.sql.types.StructType;
+import org.apache.spark.sql.util.CaseInsensitiveStringMap;
+
+public class PolarisCatalogUtils {
+ public static final String TABLE_PROVIDER_KEY = "provider";
+ public static final String TABLE_PATH_KEY = "path";
+
+ public static void checkIdentifierIsValid(TableIdentifier tableIdentifier) {
+ if (tableIdentifier.namespace().isEmpty()) {
+ throw new NoSuchTableException("Invalid table identifier: %s",
tableIdentifier);
+ }
+ }
+
+ /** Check whether the table provider is iceberg. */
+ public static boolean useIceberg(String provider) {
+ return provider == null || "iceberg".equalsIgnoreCase(provider);
+ }
+
+ /** Check whether the table provider is delta. */
+ public static boolean useDelta(String provider) {
+ return "delta".equalsIgnoreCase(provider);
+ }
+
+ /**
+ * Load spark table using DataSourceV2.
+ *
+ * @return V2Table if DataSourceV2 is available for the table format. For
delta table, it returns
+ * DeltaTableV2.
+ */
+ public static Table loadSparkTable(GenericTable genericTable) {
+ SparkSession sparkSession = SparkSession.active();
+ TableProvider provider =
+ DataSource.lookupDataSourceV2(genericTable.getFormat(),
sparkSession.sessionState().conf())
+ .get();
+ Map<String, String> properties = genericTable.getProperties();
+ boolean hasLocationClause = properties.get(TableCatalog.PROP_LOCATION) !=
null;
+ boolean hasPathClause = properties.get(TABLE_PATH_KEY) != null;
+ Map<String, String> tableProperties = Maps.newHashMap();
+ tableProperties.putAll(properties);
+ if (!hasPathClause && hasLocationClause) {
+ // DataSourceV2 requires the path property on table loading. However,
spark today
+ // doesn't create the corresponding path property if the path keyword is
not
+ // provided by user when location is provided. Here, we duplicate the
location
+ // property as path to make sure the table can be loaded.
+ tableProperties.put(TABLE_PATH_KEY,
properties.get(TableCatalog.PROP_LOCATION));
+ }
+ CaseInsensitiveStringMap property_map = new
CaseInsensitiveStringMap(tableProperties);
+ return DataSourceV2Utils.getTableFromProvider(
+ provider, property_map, scala.Option$.MODULE$.<StructType>empty());
Review Comment:
Isn't `scala.Option.empty()` enough?
##########
plugins/spark/v3.5/src/test/java/org/apache/polaris/spark/InMemoryDeltaCatalog.java:
##########
@@ -0,0 +1,29 @@
+/*
+ * 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.polaris.spark;
+
+import org.apache.spark.sql.connector.catalog.DelegatingCatalogExtension;
+
+public class InMemoryDeltaCatalog extends DelegatingCatalogExtension {
+ private boolean isUnityCatalog = false;
+
+ private void isUnityCatalog$lzycompute() {
Review Comment:
this looks like a decompiled `lazy val` from Scala, not sure why this is
needed.
##########
plugins/spark/v3.5/src/test/java/org/apache/polaris/spark/PolarisInMemoryCatalog.java:
##########
@@ -0,0 +1,94 @@
+/*
+ * 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.polaris.spark;
+
+import com.google.common.collect.Maps;
+import java.util.*;
+import java.util.concurrent.ConcurrentMap;
+import java.util.stream.Collectors;
+import org.apache.iceberg.catalog.Namespace;
+import org.apache.iceberg.catalog.TableIdentifier;
+import org.apache.iceberg.exceptions.AlreadyExistsException;
+import org.apache.iceberg.exceptions.NoSuchNamespaceException;
+import org.apache.iceberg.exceptions.NoSuchTableException;
+import org.apache.iceberg.inmemory.InMemoryCatalog;
+import org.apache.polaris.service.types.GenericTable;
+
+/** InMemory implementation for the Polaris Catalog. This class is mainly used
by testing. */
+public class PolarisInMemoryCatalog extends InMemoryCatalog implements
PolarisCatalog {
+ private final ConcurrentMap<TableIdentifier, GenericTable> genericTables;
+
+ public PolarisInMemoryCatalog() {
+ this.genericTables = Maps.newConcurrentMap();
+ }
+
+ @Override
+ public List<TableIdentifier> listGenericTables(Namespace ns) {
+ return this.genericTables.keySet().stream()
+ .filter(t -> t.namespace().equals(ns))
+ .sorted(Comparator.comparing(TableIdentifier::toString))
+ .collect(Collectors.toList());
+ }
+
+ @Override
+ public GenericTable loadGenericTable(TableIdentifier identifier) {
+ GenericTable table = this.genericTables.get(identifier);
+ if (table == null) {
+ throw new NoSuchTableException("Generic table does not exist: %s",
identifier);
+ }
+
+ return table;
+ }
+
+ @Override
+ public boolean dropGenericTable(TableIdentifier identifier) {
+ synchronized (this) {
+ if (null == this.genericTables.remove(identifier)) {
+ return false;
+ }
+ }
Review Comment:
```suggestion
return this.genericTables.remove(identifier)) != null;
```
##########
plugins/spark/v3.5/src/main/java/org/apache/polaris/spark/utils/PolarisCatalogUtils.java:
##########
@@ -0,0 +1,122 @@
+/*
+ * 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.polaris.spark.utils;
+
+import com.google.common.collect.Maps;
+import java.lang.reflect.Field;
+import java.util.Map;
+import org.apache.iceberg.CachingCatalog;
+import org.apache.iceberg.catalog.Catalog;
+import org.apache.iceberg.catalog.TableIdentifier;
+import org.apache.iceberg.exceptions.NoSuchTableException;
+import org.apache.iceberg.rest.RESTCatalog;
+import org.apache.iceberg.rest.RESTSessionCatalog;
+import org.apache.iceberg.rest.auth.OAuth2Util;
+import org.apache.iceberg.spark.SparkCatalog;
+import org.apache.polaris.service.types.GenericTable;
+import org.apache.spark.sql.SparkSession;
+import org.apache.spark.sql.connector.catalog.Table;
+import org.apache.spark.sql.connector.catalog.TableCatalog;
+import org.apache.spark.sql.connector.catalog.TableProvider;
+import org.apache.spark.sql.execution.datasources.DataSource;
+import org.apache.spark.sql.execution.datasources.v2.DataSourceV2Utils;
+import org.apache.spark.sql.types.StructType;
+import org.apache.spark.sql.util.CaseInsensitiveStringMap;
+
+public class PolarisCatalogUtils {
+ public static final String TABLE_PROVIDER_KEY = "provider";
+ public static final String TABLE_PATH_KEY = "path";
+
+ public static void checkIdentifierIsValid(TableIdentifier tableIdentifier) {
+ if (tableIdentifier.namespace().isEmpty()) {
+ throw new NoSuchTableException("Invalid table identifier: %s",
tableIdentifier);
+ }
+ }
+
+ /** Check whether the table provider is iceberg. */
+ public static boolean useIceberg(String provider) {
+ return provider == null || "iceberg".equalsIgnoreCase(provider);
+ }
+
+ /** Check whether the table provider is delta. */
+ public static boolean useDelta(String provider) {
+ return "delta".equalsIgnoreCase(provider);
+ }
+
+ /**
+ * Load spark table using DataSourceV2.
+ *
+ * @return V2Table if DataSourceV2 is available for the table format. For
delta table, it returns
+ * DeltaTableV2.
+ */
+ public static Table loadSparkTable(GenericTable genericTable) {
+ SparkSession sparkSession = SparkSession.active();
+ TableProvider provider =
+ DataSource.lookupDataSourceV2(genericTable.getFormat(),
sparkSession.sessionState().conf())
+ .get();
+ Map<String, String> properties = genericTable.getProperties();
+ boolean hasLocationClause = properties.get(TableCatalog.PROP_LOCATION) !=
null;
+ boolean hasPathClause = properties.get(TABLE_PATH_KEY) != null;
+ Map<String, String> tableProperties = Maps.newHashMap();
+ tableProperties.putAll(properties);
+ if (!hasPathClause && hasLocationClause) {
+ // DataSourceV2 requires the path property on table loading. However,
spark today
+ // doesn't create the corresponding path property if the path keyword is
not
+ // provided by user when location is provided. Here, we duplicate the
location
+ // property as path to make sure the table can be loaded.
+ tableProperties.put(TABLE_PATH_KEY,
properties.get(TableCatalog.PROP_LOCATION));
+ }
+ CaseInsensitiveStringMap property_map = new
CaseInsensitiveStringMap(tableProperties);
Review Comment:
nit: weird variable name.
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