RANGE QUERY Syntax FILL 选项 TO 选项 BY 选项 聚合函数中的 ORDER BY 选项 嵌套使用 Range 表达式 RANGE QUERY 查询并聚合一个给定长度的时间范围的数据是时序数据常见的一种查询模式，例如 PromQL 中的 Range selector 。而 GreptimeDB 在 SQL...

ALTER 语句 执行 ALTER 语句 ALTER TABLE ADD MODIFY DROP RENAME SET RESET ALTER VIEW ALTER DATABASE ALTER FUNCTION ALTER 语句 ALTER 语句用于修改一个已经在 Catalog 中注册的表、视图或函数定义。 Flink S...

Modules Export Exporting a declaration StringValidator.ts ZipCodeValidator.ts Export statements Re-exports ParseIntBasedZipCodeValidator.ts AllValidators.ts Import Import...

time_weight() functions Introduction Two-step aggregation Functions in this group warning Aggregate Accessor Rollup Function details time_weight() average() first_time() ...

master design 功能 特性 实现 数据结构 流程 启动(startup) 初始化(initial) 加载子表(load tablet) 卸载子表(unload tablet) 分裂子表(split tablet) 合并子表(merge tablets) 创建表格(create table) 启用表格(enable table)...

Type Guards and Differentiating Types User-Defined Type Guards Using type predicates Using the in operator typeof type guards instanceof type guards Nullable types Optional p...

TypeScript 1.5 ES6 Modules Export Declarations Re-exporting Default Export Bare Import Destructuring in declarations and assignments Declarations Assignments namespace ke...

Object Types Property Modifiers Optional Properties readonly Properties Index Signatures Extending Types Intersection Types Interfaces vs. Intersections Generic Object Typ...

CREATE TABLE Synopsis Syntax Diagram create_table table_schema table_properties Grammar Semantics PRIMARY KEY PARTITION KEY CLUSTERING KEY STATIC COLUMNS TABLE PROPERTIE...

Vendoring Dependencies Vendoring Dependencies deno vendor <specifiers>... will download all remote dependencies of the specified modules into a local vendor folder. For exampl...