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 函式 date_part ...
date_add(startDate, numDays) 参数 startDate:一个日期表达式。 numDays:一个整数表达式。 返回 日期。 如果numDays为负,则从startDate中减去abs(num_days)天。 如果结果日期溢出了日期范围,此函数将引发错误。 示例 SQL >SELECTdate_add('2016-07-30',1); 2016-07-31 ...
current_date 函数 current_metastore 函数 current_recipient 函数 current_schema 函数 current_timestamp 函数 current_timezone 函数 current_user 函数 current_version 函数 date 函数 date_add 函数 date_add (days) 函数 date_diff 函数 date_format 函数 date_from_unix_date 函数 date_part 函数 date_sub...
numDays: An INTEGER expression. Returns A DATE. IfnumDaysis negativeabs(num_days)are subtracted fromstartDate. If the result date overflows the date range the function raises an error. To add units other than days usedateadd(unit, value, expr). ...
如果函数需要数值类型(例如INTEGER)或DATE类型,但参数是更通用的类型(如DOUBLE或TIMESTAMP),Azure Databricks 会将参数隐式向下转换为该参数类型。 例如,date_add(date, days)需要DATE和INTEGER。 如果调用date_add()时使用了TIMESTAMP和BIGINT,则 Azure Databricks 会通过删除时间组件将TIMESTAMP为DATE,将BIGINT...
Most of the time partitions will be on a date field but you should choose your partitioning field based on the predicates most often used by your queries. For example, if you’re always going to be filtering based on “Region,” then consider partitioning your data by region....
item_df=spark.read.table("db.item")store.add_core('store_returns',item_df,partition_col=[sr_returned_date_sk]) 2. Building out the Feature Family Once the channel class has been built out to include the initialization of the config, data, and/or any other additional customizations, the...
It’ll even generate unit tests so you can get back to building what’s next.” 05/02/2023 Link 03/22/2023* Link “[YouChat is an] AI search assistant that you can talk to right in your search results. It stays up-to-date with the news and cites its sources so that you can ...
Applies to: Databricks SQL Databricks RuntimeReturns the date that is numMonths after startDate.Syntax Copy add_months(startDate, numMonths) Arguments startDate: A DATE expression. numMonths: An integral number.Returns A DATE. If the result exceeds the number of days of the month the result ...
"date_trunc('week', {col} + interval '1 day') + interval '5 days'" ), "1969-12-28T00:00:00Z/P1W": ( "date_trunc('week', {col} + interval '1 day') - interval '1 day'" ), } class DatabricksHiveEngineSpec(HiveEngineSpec): ...