This section describes the functions that can be used to manipulate temporal values. See Section 13.2, “Date and Time Data Types”, for a description of the range of values each date and time type has and the
See Section 11.2, “Date and Time Data Types”, for a description of the range of values each date and time type has and the valid formats in which values may be specified. Table 12.11 Date and Time Functions NameDescription ADDDATE() Add time values (intervals) to a date value ...
Date time functions 默认数据格式为yyyy-MM-dd格式 DataFrame数据 val df = Seq( ("A", "2019-01-10", "2019-05-02"), ("B", "2019-01-01", "2019-02-04"), ("D", "2019-01-09", "2019-03-02")) .toDF("user_id", "start_time", "end_time") 1. def add_months(startDate: ...
The CURRENT_DATE, CURRENT_TIME, and CURRENT_TIMESTAMP timedate scalar functions have been added in ODBC 3.0 to align with SQL-92. Expand table FunctionDescription CURRENT_DATE( ) (ODBC 3.0) Returns the current date. CURRENT_TIME[( time-precision )] (ODBC 3.0) Returns the current local tim...
The modifiers are optional, and you can use multiple of them in the function. In this example, we add one month and two days to date values in a column named Day of Created At: DATE("Day of Created At",'+1 months','+2 days') Built-in date and time functions Custom formulas ...
The CURRENT_DATE, CURRENT_TIME, and CURRENT_TIMESTAMP timedate scalar functions have been added in ODBC 3.0 to align with SQL-92. FunctionDescription CURRENT_DATE( )(ODBC 3.0)Returns the current date. CURRENT_TIME[(time-precision)](ODBC 3.0)Returns the current local time. Thetime-precisionargu...
SqlFunctions.CurrentTimestamp 方法 參考 定義 命名空間: System.Data.Entity.SqlServer 組件: EntityFramework.SqlServer.dll 傳回目前的日期和時間。 C# [System.Data.Entity.DbFunction("SqlServer","CURRENT_TIMESTAMP")]publicstaticNullable<DateTime>CurrentTimestamp(); ...
Date and Time Functions The Transact-SQL date and time functions are listed in the following tables. For more information about determinism, seeDeterministic and Nondeterministic Functions. Functions That Get System Date and Time Values All system date and time values are derived from the operating ...
in the local time zone of the host doing the processing. See Impala Date and Time Functions for the list of functions affected by the --use_local_tz_for_unix_timestamp_conversions setting.简单来说,就是开启了这个参数之后(默认false,表示关闭),当SQL里面涉及到了timestamp->bigint/bigint->time...
The following sections in this topic provide information about and examples for using the date and time data types and functions. For an overview of all Transact-SQL date and time data types and functions, see Date and Time Functions (Transact-SQL). Using Operators with Date and Time Data ...