除了SQL 介面之外,Spark 還可讓您使用 Scala、Python 和 Java API 來建立自定義使用者定義純量和聚合函數。 如需詳細資訊,請參閱外部使用者定義純量函數 (UDF) 和使用者定義聚合函數 (UDAFs)。 語法 複製 CREATE [ OR REPLACE ] [ TEMPORARY ] FUNCTION [ IF NOT EXISTS ] function_name AS class...
CREATE FUNCTION (SQL) CREATE FUNCTION (外部) 創建地點 CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA CREATE SERVER CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 數據表屬性和數據表選項 CREATE TABLE 使用 Hive 格式 CREATE TABLE CONSTRAINT CREATE TABLE 使用中 CREATE TABLE LIKE CREATE VIEW CREAT...
Learn the syntax of the lpad function of the SQL language in Databricks SQL and Databricks Runtime.
abs function acos function acosh function add_months function aes_decrypt function aes_encrypt function aggregate function ai_analyze_sentiment function ai_classify function ai_extract function ai_fix_grammar function ai_gen function ai_generate_text function ai_mask function ai_query function ai_similar...
%spark import org.apache.spark.sql._ import io.delta.tables._ // Function to upsert `microBatchOutputDF` into Delta table using MERGE def upsertToDelta(microBatchOutputDF: DataFrame, batchId: Long) { // Set the dataframe to view name microBatchOutputDF.createOrReplaceTempView("updates") //...
Reading data using SQL: CREATETABLEmy_tableUSINGcom.databricks.spark.redshiftOPTIONS ( dbtable'my_table', tempdir's3n://path/for/temp/data', url'jdbc:redshift://redshifthost:5439/database?user=username&password=pass'); Writing data using SQL: ...
importpyspark.sql.functionsasF@multipliabledefnetStoreSales(self,_name="net_sales",_base_col='ss_net_profit',_filter=[F.col('ss_net_profit')>0]_negative_value=0,_agg_func=F.sum):self._create_feature(inspect.currentframe())returnself ...
import org.apache.spark.sql._ import io.delta.tables._ // Function to upsert `microBatchOutputDF` into Delta table using MERGE def upsertToDelta(microBatchOutputDF: DataFrame, batchId: Long) { // Set the dataframe to view name microBatchOutputDF.createOrReplaceTempView("updates") ...
frompyspark.sqlimportSparkSession pyKusto=SparkSession.builder.appName("kustoPySpark").getOrCreate()cluster='https://demo11.westus.kusto.windows.net'db='ML'query='OccupancyDetection'AppId='*** Your App Id ***'AppSecret='*** Your App Secret ***'AuthorityId='*** Your...
CREATE CONNECTION CREATE DATABASE CREATE FUNCTION (SQL) CREATE FUNCTION (外部) 創建地點 CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA CREATE SERVER CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 數據表屬性和數據表選項 CREATE TABLE 使用 Hive 格式 CREATE TABLE CONSTRAINT CREATE TABLE ...