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[FLINK-35195][table] Support execute CreateMaterializedTableOperation…
… for continuous refresh mode in SqlGateway
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...va/org/apache/flink/table/gateway/service/materializedtable/MaterializedTableManager.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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|
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| package org.apache.flink.table.gateway.service.materializedtable; | ||
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| import org.apache.flink.annotation.Internal; | ||
| import org.apache.flink.configuration.Configuration; | ||
| import org.apache.flink.table.api.TableException; | ||
| import org.apache.flink.table.catalog.CatalogMaterializedTable; | ||
| import org.apache.flink.table.catalog.ObjectIdentifier; | ||
| import org.apache.flink.table.catalog.TableChange; | ||
| import org.apache.flink.table.data.RowData; | ||
| import org.apache.flink.table.gateway.api.operation.OperationHandle; | ||
| import org.apache.flink.table.gateway.api.results.ResultSet; | ||
| import org.apache.flink.table.gateway.service.operation.OperationExecutor; | ||
| import org.apache.flink.table.gateway.service.result.ResultFetcher; | ||
| import org.apache.flink.table.gateway.service.utils.SqlExecutionException; | ||
| import org.apache.flink.table.operations.materializedtable.AlterMaterializedTableChangeOperation; | ||
| import org.apache.flink.table.operations.materializedtable.CreateMaterializedTableOperation; | ||
| import org.apache.flink.table.operations.materializedtable.DropMaterializedTableOperation; | ||
| import org.apache.flink.table.operations.materializedtable.MaterializedTableOperation; | ||
| import org.apache.flink.table.refresh.ContinuousRefreshHandler; | ||
| import org.apache.flink.table.refresh.ContinuousRefreshHandlerSerializer; | ||
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|
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
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| import static org.apache.flink.api.common.RuntimeExecutionMode.STREAMING; | ||
| import static org.apache.flink.configuration.DeploymentOptions.TARGET; | ||
| import static org.apache.flink.configuration.ExecutionOptions.RUNTIME_MODE; | ||
| import static org.apache.flink.configuration.PipelineOptions.NAME; | ||
| import static org.apache.flink.streaming.api.environment.ExecutionCheckpointingOptions.CHECKPOINTING_INTERVAL; | ||
| import static org.apache.flink.table.api.internal.TableResultInternal.TABLE_RESULT_OK; | ||
|
|
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| /** Manager is responsible for execute the {@link MaterializedTableOperation}. */ | ||
| @Internal | ||
| public class MaterializedTableManager { | ||
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|
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| private static final Logger LOG = LoggerFactory.getLogger(MaterializedTableManager.class); | ||
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| public static ResultFetcher callMaterializedTableOperation( | ||
| OperationExecutor operationExecutor, | ||
| OperationHandle handle, | ||
| MaterializedTableOperation op, | ||
| String statement) { | ||
| if (op instanceof CreateMaterializedTableOperation) { | ||
| return callCreateMaterializedTableOperation( | ||
| operationExecutor, handle, (CreateMaterializedTableOperation) op); | ||
| } | ||
| throw new SqlExecutionException( | ||
| String.format( | ||
| "Unsupported Operation %s for materialized table.", op.asSummaryString())); | ||
| } | ||
|
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| private static ResultFetcher callCreateMaterializedTableOperation( | ||
| OperationExecutor operationExecutor, | ||
| OperationHandle handle, | ||
| CreateMaterializedTableOperation createMaterializedTableOperation) { | ||
| CatalogMaterializedTable materializedTable = | ||
| createMaterializedTableOperation.getCatalogMaterializedTable(); | ||
| if (CatalogMaterializedTable.RefreshMode.CONTINUOUS == materializedTable.getRefreshMode()) { | ||
| createMaterializedInContinuousMode( | ||
| operationExecutor, handle, createMaterializedTableOperation); | ||
| } else { | ||
| throw new SqlExecutionException( | ||
| "Only support create materialized table in continuous refresh mode currently."); | ||
| } | ||
| // Just return ok for unify different refresh job info of continuous and full mode, user | ||
| // should get the refresh job info via desc table. | ||
| return ResultFetcher.fromTableResult(handle, TABLE_RESULT_OK, false); | ||
| } | ||
|
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| private static void createMaterializedInContinuousMode( | ||
| OperationExecutor operationExecutor, | ||
| OperationHandle handle, | ||
| CreateMaterializedTableOperation createMaterializedTableOperation) { | ||
| // create materialized table first | ||
| operationExecutor.callExecutableOperation(handle, createMaterializedTableOperation); | ||
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| ObjectIdentifier materializedTableIdentifier = | ||
| createMaterializedTableOperation.getTableIdentifier(); | ||
| CatalogMaterializedTable catalogMaterializedTable = | ||
| createMaterializedTableOperation.getCatalogMaterializedTable(); | ||
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||
| // Set job name, runtime mode, checkpoint interval | ||
| // TODO: Set minibatch related optimization options. | ||
| Configuration customConfig = new Configuration(); | ||
| String jobName = | ||
| String.format( | ||
| "Materialized_table_%s_continuous_refresh_job", | ||
| materializedTableIdentifier.asSerializableString()); | ||
| customConfig.set(NAME, jobName); | ||
| customConfig.set(RUNTIME_MODE, STREAMING); | ||
| customConfig.set(CHECKPOINTING_INTERVAL, catalogMaterializedTable.getFreshness()); | ||
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| String insertStatement = | ||
| String.format( | ||
| "INSERT INTO %s %s", | ||
| materializedTableIdentifier, catalogMaterializedTable.getDefinitionQuery()); | ||
| try { | ||
| // submit flink streaming job | ||
| ResultFetcher resultFetcher = | ||
| operationExecutor.executeStatement(handle, insertStatement); | ||
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||
| // get execution.target and jobId, currently doesn't support yarn and k8s, so doesn't | ||
| // get clusterId | ||
| List<RowData> results = fetchAllResults(resultFetcher); | ||
| String jobId = results.get(0).getString(0).toString(); | ||
| String executeTarget = | ||
| operationExecutor.getSessionContext().getSessionConf().get(TARGET); | ||
| ContinuousRefreshHandler continuousRefreshHandler = | ||
| new ContinuousRefreshHandler(executeTarget, jobId); | ||
| byte[] serializedBytes = | ||
| ContinuousRefreshHandlerSerializer.INSTANCE.serialize(continuousRefreshHandler); | ||
|
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||
| // update RefreshHandler to Catalog | ||
| CatalogMaterializedTable updatedMaterializedTable = | ||
| catalogMaterializedTable.copy( | ||
| CatalogMaterializedTable.RefreshStatus.ACTIVATED, | ||
| continuousRefreshHandler.asSummaryString(), | ||
| serializedBytes); | ||
| List<TableChange> tableChanges = new ArrayList<>(); | ||
| tableChanges.add( | ||
| TableChange.modifyRefreshStatus( | ||
| CatalogMaterializedTable.RefreshStatus.ACTIVATED)); | ||
| tableChanges.add( | ||
| TableChange.modifyRefreshHandler( | ||
| continuousRefreshHandler.asSummaryString(), serializedBytes)); | ||
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| AlterMaterializedTableChangeOperation alterMaterializedTableChangeOperation = | ||
| new AlterMaterializedTableChangeOperation( | ||
| materializedTableIdentifier, tableChanges, updatedMaterializedTable); | ||
| operationExecutor.callExecutableOperation( | ||
| handle, alterMaterializedTableChangeOperation); | ||
| } catch (Exception e) { | ||
| // drop materialized table while submit flink streaming job occur exception. Thus, weak | ||
| // atomicity is guaranteed | ||
| operationExecutor.callExecutableOperation( | ||
| handle, | ||
| new DropMaterializedTableOperation(materializedTableIdentifier, true, false)); | ||
| // log and throw exception | ||
| LOG.error( | ||
| "Submit continuous refresh job for materialized table {} occur exception.", | ||
| materializedTableIdentifier, | ||
| e); | ||
| throw new TableException( | ||
| String.format( | ||
| "Submit continuous refresh job for materialized table %s occur exception.", | ||
| materializedTableIdentifier), | ||
| e); | ||
| } | ||
| } | ||
|
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| private static List<RowData> fetchAllResults(ResultFetcher resultFetcher) { | ||
| Long token = 0L; | ||
| List<RowData> results = new ArrayList<>(); | ||
| while (token != null) { | ||
| ResultSet result = resultFetcher.fetchResults(token, Integer.MAX_VALUE); | ||
| results.addAll(result.getData()); | ||
| token = result.getNextToken(); | ||
| } | ||
| return results; | ||
| } | ||
| } |
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