ColumnHandle columnHandle = new ColumnHandle(DualConnector.CONNECTOR_ID, dualMetadata.getColumnHandle(tableHandle.getConnectorHandle(), DualMetadata.COLUMN_NAME));
assertNotNull(columnHandle, "columnHandle is null");
Symbol symbol = new Symbol(DualMetadata.COLUMN_NAME);
MetadataManager metadata = new MetadataManager(new FeaturesConfig(), new TypeRegistry());
metadata.addGlobalSchemaMetadata(DualConnector.CONNECTOR_ID, dualMetadata);
DualSplitManager dualSplitManager = new DualSplitManager(new InMemoryNodeManager());
ConnectorPartitionResult partitionResult = dualSplitManager.getPartitions(tableHandle.getConnectorHandle(), TupleDomain.<ConnectorColumnHandle>all());