Applies to: Databricks SQL Databricks Runtime This article presents links to and descriptions of built-in operators and functions for strings and binary types, numeric scalars, aggregations, windows, arrays, map
>hello()-- Create a permanent function with parameters.>CREATEFUNCTIONarea(xDOUBLE, yDOUBLE)RETURNSx * y;>area(c1, c2)area>*area(c1, c2) >0; 1 2-- Compose SQL functions.>CREATEFUNCTIONsquare(xDOUBLE)RETURNSDOUBLERETURNarea(x, x); >SELECTc1,square(c1)ASsquareFROMt; 0 0...
適用於:Databricks Runtime Spark SQL 提供兩個函式功能,以滿足各種需求:內建函式和使用者定義函式 (UDF)。 若要瞭解函式解析和函式調用,請參閱:函式調用。 內建函式 本文提供匯總、陣列和對應、日期和時間戳,以及 JSON 數據的常用內建函式類別的使用方式和描述。
> SELECT area(c1, c2) AS area FROM t; 1.0 1.0-- Use a SQL function in the WHERE clause of a query.> SELECT * FROM t WHERE area(c1, c2) > 0; 1 2-- Compose SQL functions.> CREATE FUNCTION square(x DOUBLE) RETURNS DOUBLE RETURN area(x, x);> SELECT c1, square(c1) AS ...
Databricks SQL Databricks Runtime 如果群組中至少有一個 值expr為 true,則傳true回 。any聚合函數與 max aggregate函式同義,但僅限於布爾自變數。 函式也是bool_or聚合函數的同義字。 語法 any(expr) [FILTER ( WHERE cond ) ] 您也可以使用 子句,將此函式叫用OVER為視窗函式。
Databricks SQL enables high-performance analytics with SQL on large datasets. Simplify data analysis and unlock insights with an intuitive, scalable platform.
Build SQL queries with Databricks Assistant, connect to participating apps, tools, clients, SDKs and APIs, and use built-in functions for AI and geospatial. Read the documentation use cases An open, unified approach to your data, BI and AI workloads ...
User Defined Functions:udfs Triggers:triggers Users:users Permissions:permissions Item level operations:docs Note:The values are case sensitive and must be lowercase. The ResourceLink portion of the string is the identity property of the resource that the request is directed at. The ResourceLink va...
User Defined Functions:udfs Triggers:triggers Users:users Permissions:permissions Item level operations:docs Note:The values are case sensitive and must be lowercase. The ResourceLink portion of the string is the identity property of the resource that the request is directed at. The ResourceLink va...
Series of Azure Databricks posts: Dec 01: What is Azure Databricks Dec 02: How to get started with Azure Databricks Dec 03: Getting to know the workspace and Azure Databricks platform Dec 04: Creating your first Azure Databricks cluster Dec 05: Understan