Table Engines

import { OlapTable, ClickHouseEngines } from "@514labs/moose-lib"; interface EngineExampleRow {  id: string;  timestamp: Date;  updated_at: Date;  deleted: number;  date: Date;  page: string;  views: number;  click_sum: number;}; // MergeTree (default, can omit engine property)const MergeTree = new OlapTable<EngineExampleRow>("merge_tree_table", {  orderByFields: ["timestamp", "id"],}); // ReplacingMergeTree (deduplicate by key, optional version + soft delete)const ReplacingMergeTree = new OlapTable<EngineExampleRow>("replacing_merge_tree_table", {  engine: ClickHouseEngines.ReplacingMergeTree,  orderByFields: ["id"],  ver: "updated_at",  isDeleted: "deleted",}); // SummingMergeTree (sum numeric columns for the same key)const SummingMergeTree = new OlapTable<EngineExampleRow>("summing_merge_tree_table", {  engine: ClickHouseEngines.SummingMergeTree,  orderByFields: ["date", "page"],  columns: ["views", "click_sum"],});