Examples with ExternalModifyOperation org.apache.flink.table.operations.ExternalModifyOperation used on opensource projects

Example 1 with ExternalModifyOperation

use of org.apache.flink.table.operations.ExternalModifyOperation in project flink by apache.

the class AbstractStreamTableEnvironmentImpl method toStreamInternal.

protected <T> DataStream<T> toStreamInternal(Table table, SchemaTranslator.ProducingResult schemaTranslationResult, @Nullable ChangelogMode changelogMode) {
    final CatalogManager catalogManager = getCatalogManager();
    final OperationTreeBuilder operationTreeBuilder = getOperationTreeBuilder();
    final QueryOperation projectOperation = schemaTranslationResult.getProjections().map(projections -> operationTreeBuilder.project(projections.stream().map(ApiExpressionUtils::unresolvedRef).collect(Collectors.toList()), table.getQueryOperation())).orElseGet(table::getQueryOperation);
    final ResolvedCatalogTable resolvedCatalogTable = catalogManager.resolveCatalogTable(new ExternalCatalogTable(schemaTranslationResult.getSchema()));
    final ExternalModifyOperation modifyOperation = new ExternalModifyOperation(ContextResolvedTable.anonymous("datastream_sink", resolvedCatalogTable), projectOperation, changelogMode, schemaTranslationResult.getPhysicalDataType().orElseGet(() -> resolvedCatalogTable.getResolvedSchema().toPhysicalRowDataType()));
    return toStreamInternal(table, modifyOperation);
}