current_database 函式 current_date 函式 current_metastore 函式 current_recipient 函式 current_schema 函式 current_timestamp 函式 current_timezone 函式 current_user 函式 current_version 函式 date 函式 date_add 函式 date_add (days) 函式 date_diff 函式 date_format 函式 date_from_unix_date...
将Spark SQL DATE 值转换为 java.sql.Date 的实例。 将Spark SQL TIMESTAMP 值转换为 java.sql.Timestamp 的实例。这两种转换都在驱动程序的默认 JVM 时区中执行。 若要通过这种方式获取使用 Date.getDay()、getHour() 等方法以及使用 Spark SQL 函数 DAY、HOUR 获取的日期-时间字段,驱动程序上的默认 J...
newMessage").getItem(3).as("ouoor_temperature"), col("newMessage").getItem(4).as("chiller_temperature"), col("newMessage").getItem(5).as("electricity"), col("newMessage").getItem(6).as("protocal_version") ) .withColumn("dt",date_format(current_date(),"yyyyMMdd")) ...
current_timezone() 현재 세션의 로컬 표준 시간대를 반환합니다. date(expr) expr 값을 DATE로 캐스팅합니다. date_add(startDate,numDays) startDate 이후의 날짜 numDays를 반환합니다. date_add(unit, value, expr) 타임스...
SELECT count(distinct userId) FROM my_table - ( SELECT count(distinct userId) FROM my_table TIMESTAMP AS OF date_sub(current_date(), 7)) 如何? 在Spark工作階段中尋找最後一個認可的版本嗎?若要取得目前 SparkSession 在所有線程和所有資料表中寫入的最後一個認可版本號碼,請查詢 SQL 組態 spark.d...
Note Support for this Databricks Runtime version has ended. For the end-of-support date, see End-of-support history. For all supported Databricks Runtime versions, see Databricks Runtime release notes versions and compatibility.Databricks released this version in July 2020.The following release note...
44Branches39Tags Code Folders and files Name Last commit message Last commit date Latest commit nfx Unify PyPI release via GitHub OIDC (#290) Jul 12, 2024 f99882d·Jul 12, 2024 History 296 Commits .github Unify PyPI release via GitHub OIDC (#290) ...
("dt",date_format(current_date(),"yyyyMMdd")) val query = resDF .writeStream .format("delta") .option("checkpointLocation", checkpoint_dir) .trigger(Trigger.ProcessingTime("60 seconds")) // 执行流处理时间间隔 .foreachBatch(upsertToDelta _) //引用upsertToDelta函数 .outputMode("update")...
Last commit date Latest commit arpitjasa-db Add conditionals for catalog variable (#188) Jan 3, 2025 702a228·Jan 3, 2025 History 138 Commits .github/workflows explicitly set SINGLE_USER field. fix broken tests (#179) Nov 8, 2024
create table x1 (imei string, deviceInformationId int, mac string, productdate timestamp, updatetime timestamp, gamePointId double, contractNumber double) STORED BY 'org.apache.carbondata.format' TBLPROPERTIES ('DICTIONARY_EXCLUDE'='mac',