xuyangzhong commented on code in PR #24760:
URL: https://github.com/apache/flink/pull/24760#discussion_r1594070565
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flink-table/flink-sql-gateway/src/main/java/org/apache/flink/table/gateway/service/materializedtable/MaterializedTableManager.java:
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@@ -169,6 +181,83 @@ private static void createMaterializedInContinuousMode(
}
}
+ private static ResultFetcher callAlterMaterializedTableRefreshOperation(
+ OperationExecutor operationExecutor,
+ OperationHandle handle,
+ AlterMaterializedTableRefreshOperation
alterMaterializedTableRefreshOperation) {
+ ObjectIdentifier materializedTableIdentifier =
+ alterMaterializedTableRefreshOperation.getTableIdentifier();
+ ResolvedCatalogBaseTable<?> table =
operationExecutor.getTable(materializedTableIdentifier);
+ if (!(table instanceof ResolvedCatalogMaterializedTable)) {
+ throw new TableException(
+ String.format(
+ "The table '%s' is not a materialized table.",
+ materializedTableIdentifier));
+ }
+
+ ResolvedCatalogMaterializedTable materializedTable =
+ (ResolvedCatalogMaterializedTable) table;
+
+ Map<String, String> partitionSpec =
+ alterMaterializedTableRefreshOperation.getPartitionSpec();
+
+ Set<String> allPartitionKeys =
+ new HashSet<>(((ResolvedCatalogMaterializedTable)
table).getPartitionKeys());
+ Set<String> unknownPartitionKeys = new
HashSet<>(partitionSpec.keySet());
+ unknownPartitionKeys.removeAll(allPartitionKeys);
+ if (!unknownPartitionKeys.isEmpty()) {
+ throw new TableException(
+ String.format(
+ "The partition spec contains unknown partition
keys: %s.",
+ unknownPartitionKeys));
+ }
+
+ // Set job name, runtime mode, checkpoint interval
+ 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);
+
+ StringBuilder insertStatement =
+ new StringBuilder(
+ String.format(
+ "INSERT INTO %s SELECT * FROM (%s)",
+ materializedTableIdentifier,
+ materializedTable.getDefinitionQuery()));
+
+ if (!partitionSpec.isEmpty()) {
+ insertStatement.append(" WHERE ");
+ insertStatement.append(
+ partitionSpec.entrySet().stream()
+ .map(
+ entry ->
+ String.format(
+ "%s = '%s'",
entry.getKey(), entry.getValue()))
+ .reduce((s1, s2) -> s1 + " AND " + s2)
+ .orElseThrow(() -> new TableException("Could not
happen")));
+ }
+
+ try {
+ // return jobId for one time refresh, user should get the refresh
job info via desc
Review Comment:
I want to note the developer the information about the syntax "alter
materialized table ... refresh ..." returns before. I'll delete it.
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