mchades commented on code in PR #9856: URL: https://github.com/apache/gravitino/pull/9856#discussion_r2757089115
########## core/src/main/java/org/apache/gravitino/storage/relational/service/FunctionMetaService.java: ########## @@ -0,0 +1,311 @@ +/* + * 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.gravitino.storage.relational.service; + +import static org.apache.gravitino.metrics.source.MetricsSource.GRAVITINO_RELATIONAL_STORE_METRIC_NAME; +import static org.apache.gravitino.storage.relational.utils.POConverters.DEFAULT_DELETED_AT; + +import com.fasterxml.jackson.core.JsonProcessingException; +import java.io.IOException; +import java.util.Arrays; +import java.util.List; +import java.util.Locale; +import java.util.function.Function; +import java.util.stream.Collectors; +import org.apache.gravitino.Entity; +import org.apache.gravitino.GravitinoEnv; +import org.apache.gravitino.NameIdentifier; +import org.apache.gravitino.Namespace; +import org.apache.gravitino.dto.function.FunctionDefinitionDTO; +import org.apache.gravitino.exceptions.NoSuchEntityException; +import org.apache.gravitino.function.FunctionDefinition; +import org.apache.gravitino.function.FunctionType; +import org.apache.gravitino.json.JsonUtils; +import org.apache.gravitino.meta.AuditInfo; +import org.apache.gravitino.meta.FunctionEntity; +import org.apache.gravitino.meta.NamespacedEntityId; +import org.apache.gravitino.metrics.Monitored; +import org.apache.gravitino.rel.types.Type; +import org.apache.gravitino.storage.relational.mapper.FunctionMetaMapper; +import org.apache.gravitino.storage.relational.mapper.FunctionVersionMetaMapper; +import org.apache.gravitino.storage.relational.po.FunctionPO; +import org.apache.gravitino.storage.relational.po.FunctionVersionPO; +import org.apache.gravitino.storage.relational.utils.ExceptionUtils; +import org.apache.gravitino.storage.relational.utils.SessionUtils; +import org.apache.gravitino.utils.NameIdentifierUtil; +import org.apache.gravitino.utils.NamespaceUtil; + +public class FunctionMetaService { + public static FunctionMetaService getInstance() { + return INSTANCE; + } + + private static final FunctionMetaService INSTANCE = new FunctionMetaService(); + private static final Integer INITIAL_VERSION = 1; + + private FunctionMetaService() {} + + @Monitored( + metricsSource = GRAVITINO_RELATIONAL_STORE_METRIC_NAME, + baseMetricName = "listFunctionsByNamespace") + public List<FunctionEntity> listFunctionsByNamespace(Namespace ns) { + NamespaceUtil.checkFunction(ns); + + List<FunctionPO> functionPOs = listFunctionPOs(ns); + return functionPOs.stream().map(f -> fromFunctionPO(f, ns)).collect(Collectors.toList()); + } + + @Monitored( + metricsSource = GRAVITINO_RELATIONAL_STORE_METRIC_NAME, + baseMetricName = "getFunctionByIdentifier") + public FunctionEntity getFunctionByIdentifier(NameIdentifier ident) { + FunctionPO functionPO = getFunctionPOByIdentifier(ident); + return fromFunctionPO(functionPO, ident.namespace()); + } + + @Monitored( + metricsSource = GRAVITINO_RELATIONAL_STORE_METRIC_NAME, + baseMetricName = "insertFunction") + public void insertFunction(FunctionEntity functionEntity, boolean overwrite) throws IOException { + NameIdentifierUtil.checkFunction(functionEntity.nameIdentifier()); + + FunctionPO.FunctionPOBuilder builder = FunctionPO.builder(); + try { + fillFunctionPOBuilderParentEntityId(builder, functionEntity.namespace()); + FunctionPO po = initializeFunctionPO(functionEntity, builder); + + SessionUtils.doMultipleWithCommit( + () -> + SessionUtils.doWithoutCommit( + FunctionMetaMapper.class, + mapper -> { + if (overwrite) { + mapper.insertFunctionMetaOnDuplicateKeyUpdate(po); + } else { + mapper.insertFunctionMeta(po); + } + }), + () -> + SessionUtils.doWithoutCommit( + FunctionVersionMetaMapper.class, + mapper -> { + if (overwrite) { + mapper.insertFunctionVersionMetaOnDuplicateKeyUpdate(po.functionVersionPO()); + } else { + mapper.insertFunctionVersionMeta(po.functionVersionPO()); + } + })); + } catch (RuntimeException re) { + ExceptionUtils.checkSQLException( + re, Entity.EntityType.FUNCTION, functionEntity.nameIdentifier().toString()); + throw re; + } + } + + @Monitored( + metricsSource = GRAVITINO_RELATIONAL_STORE_METRIC_NAME, + baseMetricName = "getFunctionPOByIdentifier") + FunctionPO getFunctionPOByIdentifier(NameIdentifier ident) { + NameIdentifierUtil.checkFunction(ident); + + return functionPOFetcher().apply(ident); + } + + private Function<NameIdentifier, FunctionPO> functionPOFetcher() { + return GravitinoEnv.getInstance().cacheEnabled() + ? this::getFunctionPOBySchemaId + : this::getFunctionPOByFullQualifiedName; + } + + private FunctionPO getFunctionPOBySchemaId(NameIdentifier ident) { + Long schemaId = + EntityIdService.getEntityId( + NameIdentifier.of(ident.namespace().levels()), Entity.EntityType.SCHEMA); + + FunctionPO functionPO = + SessionUtils.getWithoutCommit( + FunctionMetaMapper.class, + mapper -> mapper.selectFunctionMetaBySchemaIdAndName(schemaId, ident.name())); + + if (functionPO == null) { + throw new NoSuchEntityException( + NoSuchEntityException.NO_SUCH_ENTITY_MESSAGE, + Entity.EntityType.FUNCTION.name().toLowerCase(Locale.ROOT), + ident.toString()); + } + return functionPO; + } + + private FunctionPO getFunctionPOByFullQualifiedName(NameIdentifier ident) { + String[] namespaceLevels = ident.namespace().levels(); + FunctionPO functionPO = + SessionUtils.getWithoutCommit( + FunctionMetaMapper.class, + mapper -> + mapper.selectFunctionMetaByFullQualifiedName( + namespaceLevels[0], namespaceLevels[1], namespaceLevels[2], ident.name())); + + if (functionPO == null || functionPO.functionId() == null) { + throw new NoSuchEntityException( + NoSuchEntityException.NO_SUCH_ENTITY_MESSAGE, + Entity.EntityType.FUNCTION.name().toLowerCase(Locale.ROOT), + ident.name()); + } + + if (functionPO.schemaId() == null) { + throw new NoSuchEntityException( + NoSuchEntityException.NO_SUCH_ENTITY_MESSAGE, + Entity.EntityType.SCHEMA.name().toLowerCase(), + namespaceLevels[2]); + } + return functionPO; + } + + private List<FunctionPO> listFunctionPOs(Namespace namespace) { + return functionListFetcher().apply(namespace); + } + + private List<FunctionPO> listFunctionPOsBySchemaId(Namespace namespace) { + Long schemaId = + EntityIdService.getEntityId( + NameIdentifier.of(namespace.levels()), Entity.EntityType.SCHEMA); + return SessionUtils.getWithoutCommit( + FunctionMetaMapper.class, mapper -> mapper.listFunctionPOsBySchemaId(schemaId)); + } + + private Function<Namespace, List<FunctionPO>> functionListFetcher() { + return GravitinoEnv.getInstance().cacheEnabled() + ? this::listFunctionPOsBySchemaId + : this::listFunctionPOsByFullQualifiedName; + } + + private List<FunctionPO> listFunctionPOsByFullQualifiedName(Namespace namespace) { + String[] namespaceLevels = namespace.levels(); + List<FunctionPO> functionPOs = + SessionUtils.getWithoutCommit( + FunctionMetaMapper.class, + mapper -> + mapper.listFunctionPOsByFullQualifiedName( + namespaceLevels[0], namespaceLevels[1], namespaceLevels[2])); + if (functionPOs.isEmpty() || functionPOs.get(0).schemaId() == null) { + throw new NoSuchEntityException( + NoSuchEntityException.NO_SUCH_ENTITY_MESSAGE, + Entity.EntityType.SCHEMA.name().toLowerCase(), + namespaceLevels[2]); + } + return functionPOs.stream().filter(po -> po.functionId() != null).collect(Collectors.toList()); + } + + private void fillFunctionPOBuilderParentEntityId( + FunctionPO.FunctionPOBuilder builder, Namespace ns) { + NamespaceUtil.checkFunction(ns); + NamespacedEntityId namespacedEntityId = + EntityIdService.getEntityIds(NameIdentifier.of(ns.levels()), Entity.EntityType.SCHEMA); + builder.withMetalakeId(namespacedEntityId.namespaceIds()[0]); + builder.withCatalogId(namespacedEntityId.namespaceIds()[1]); + builder.withSchemaId(namespacedEntityId.entityId()); + } + + // ============================ PO Converters ============================ Review Comment: fixed -- This is an automated message from the Apache Git Service. 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