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[FLINK-35198][table] Support the execution of refresh materialized table #24760

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merged 5 commits into from
May 11, 2024
Merged

[FLINK-35198][table] Support the execution of refresh materialized table #24760

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7e2b5f7
[FLINK-35193][table] Support the execution of refresh materialized table
xuyangzhong May 7, 2024
c494455
address comment
xuyangzhong May 10, 2024
ce19270
fix failed test
xuyangzhong May 11, 2024
34aecb7
address comments
xuyangzhong May 11, 2024
d5717f7
remove useless code
xuyangzhong May 11, 2024
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144 changes: 141 additions & 3 deletions ...va/org/apache/flink/table/gateway/service/materializedtable/MaterializedTableManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,14 @@
package org.apache.flink.table.gateway.service.materializedtable;

import org.apache.flink.annotation.Internal;
import org.apache.flink.annotation.VisibleForTesting;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.table.api.TableException;
import org.apache.flink.table.api.ValidationException;
import org.apache.flink.table.catalog.CatalogMaterializedTable;
import org.apache.flink.table.catalog.ObjectIdentifier;
import org.apache.flink.table.catalog.ResolvedCatalogBaseTable;
import org.apache.flink.table.catalog.ResolvedCatalogMaterializedTable;
import org.apache.flink.table.catalog.ResolvedSchema;
import org.apache.flink.table.catalog.TableChange;
import org.apache.flink.table.data.RowData;
import org.apache.flink.table.gateway.api.operation.OperationHandle;
Expand All @@ -31,24 +35,31 @@
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.AlterMaterializedTableRefreshOperation;
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;
import org.apache.flink.table.types.logical.LogicalTypeFamily;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import static org.apache.flink.api.common.RuntimeExecutionMode.BATCH;
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;
import static org.apache.flink.table.catalog.CatalogBaseTable.TableKind.MATERIALIZED_TABLE;

/** Manager is responsible for execute the {@link MaterializedTableOperation}. */
@Internal
Expand All @@ -64,7 +75,11 @@ public static ResultFetcher callMaterializedTableOperation(
if (op instanceof CreateMaterializedTableOperation) {
return callCreateMaterializedTableOperation(
operationExecutor, handle, (CreateMaterializedTableOperation) op);
} else if (op instanceof AlterMaterializedTableRefreshOperation) {
return callAlterMaterializedTableRefreshOperation(
operationExecutor, handle, (AlterMaterializedTableRefreshOperation) op);
}

throw new SqlExecutionException(
String.format(
"Unsupported Operation %s for materialized table.", op.asSummaryString()));
Expand Down Expand Up @@ -118,7 +133,7 @@ private static void createMaterializedInContinuousMode(
try {
// submit flink streaming job
ResultFetcher resultFetcher =
operationExecutor.executeStatement(handle, insertStatement);
operationExecutor.executeStatement(handle, customConfig, insertStatement);

// get execution.target and jobId, currently doesn't support yarn and k8s, so doesn't
// get clusterId
Expand Down Expand Up @@ -161,14 +176,137 @@ private static void createMaterializedInContinuousMode(
"Submit continuous refresh job for materialized table {} occur exception.",
materializedTableIdentifier,
e);
throw new TableException(
throw new SqlExecutionException(
String.format(
"Submit continuous refresh job for materialized table %s occur exception.",
materializedTableIdentifier),
e);
}
}

private static ResultFetcher callAlterMaterializedTableRefreshOperation(
OperationExecutor operationExecutor,
OperationHandle handle,
AlterMaterializedTableRefreshOperation alterMaterializedTableRefreshOperation) {
ObjectIdentifier materializedTableIdentifier =
alterMaterializedTableRefreshOperation.getTableIdentifier();
ResolvedCatalogBaseTable<?> table = operationExecutor.getTable(materializedTableIdentifier);
if (MATERIALIZED_TABLE != table.getTableKind()) {
throw new ValidationException(
String.format(
"The table '%s' is not a materialized table.",
materializedTableIdentifier));
}

ResolvedCatalogMaterializedTable materializedTable =
(ResolvedCatalogMaterializedTable) table;

Map<String, String> partitionSpec =
alterMaterializedTableRefreshOperation.getPartitionSpec();

validatePartitionSpec(partitionSpec, (ResolvedCatalogMaterializedTable) table);

// Set job name, runtime mode
Configuration customConfig = new Configuration();
String jobName =
String.format(
"Materialized_table_%s_one_time_refresh_job",
materializedTableIdentifier.asSerializableString());
customConfig.set(NAME, jobName);
customConfig.set(RUNTIME_MODE, BATCH);

String insertStatement =
getManuallyRefreshStatement(
materializedTableIdentifier.toString(),
materializedTable.getDefinitionQuery(),
partitionSpec);

try {
LOG.debug(
"Begin to manually refreshing the materialization table {}, statement: {}",
materializedTableIdentifier,
insertStatement);
return operationExecutor.executeStatement(
handle, customConfig, insertStatement.toString());
} catch (Exception e) {
// log and throw exception
LOG.error(
"Manually refreshing the materialization table {} occur exception.",
materializedTableIdentifier,
e);
throw new SqlExecutionException(
String.format(
"Manually refreshing the materialization table %s occur exception.",
materializedTableIdentifier),
e);
}
}

private static void validatePartitionSpec(
Map<String, String> partitionSpec, ResolvedCatalogMaterializedTable table) {
ResolvedSchema schema = table.getResolvedSchema();
Set<String> allPartitionKeys = new HashSet<>(table.getPartitionKeys());

Set<String> unknownPartitionKeys = new HashSet<>();
Set<String> nonStringPartitionKeys = new HashSet<>();

for (String partitionKey : partitionSpec.keySet()) {
if (!schema.getColumn(partitionKey).isPresent()) {
unknownPartitionKeys.add(partitionKey);
continue;
}

if (!schema.getColumn(partitionKey)
.get()
.getDataType()
.getLogicalType()
.getTypeRoot()
.getFamilies()
.contains(LogicalTypeFamily.CHARACTER_STRING)) {
nonStringPartitionKeys.add(partitionKey);
}
}

if (!unknownPartitionKeys.isEmpty()) {
throw new ValidationException(
String.format(
"The partition spec contains unknown partition keys:\n\n%s\n\nAll known partition keys are:\n\n%s",
String.join("\n", unknownPartitionKeys),
String.join("\n", allPartitionKeys)));
}

if (!nonStringPartitionKeys.isEmpty()) {
throw new ValidationException(
String.format(
"Currently, manually refreshing materialized table only supports specifying char and string type"
+ " partition keys. All specific partition keys with unsupported types are:\n\n%s",
String.join("\n", nonStringPartitionKeys)));
}
}

@VisibleForTesting
protected static String getManuallyRefreshStatement(
String tableIdentifier, String query, Map<String, String> partitionSpec) {
StringBuilder insertStatement =
new StringBuilder(
String.format(
"INSERT OVERWRITE %s\n SELECT * FROM (%s)",
tableIdentifier, query));
if (!partitionSpec.isEmpty()) {
insertStatement.append("\n WHERE ");
insertStatement.append(
partitionSpec.entrySet().stream()
.map(
entry ->
String.format(
"%s = '%s'", entry.getKey(), entry.getValue()))
.reduce((s1, s2) -> s1 + " AND " + s2)
.get());
}

return insertStatement.toString();
}

private static List<RowData> fetchAllResults(ResultFetcher resultFetcher) {
Long token = 0L;
List<RowData> results = new ArrayList<>();
Expand Down
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