SQL FunctionTable FunctionDescription tableName.compositeType.field COMPOSITE.get(STRING) 通过名称从Flink复合类型(例如Tuple、POJO)中返回字段的值。 tableName.compositeType.* ANY.flatten() 返回Flink复合类型(例如Tuple、POJO)的扁
TIMESTAMP() With a single argument, this function returns the date or datetime expression; with two arguments, the sum of the arguments TIMESTAMPADD() Add an interval to a datetime expression TIMESTAMPDIFF() Return the difference of two datetime expressions, using the units specified TO_BA...
>>> import time >>> time.time <built-in function time> >>> time.time() 1620908340.6910295 >>> time.time_ns() 1620908347245421300 >>> type(time.time()) <class 'float'> >>> type(time.time_ns()) <class 'int'> >>> time.time()==time.time_ns()/10**9 True >>> 2. time....
erlangErlang 的内置函数(built-in function) ets内建的变量存储机制 file文件接口模块 filelib文件操作的一些常用工具函数 gb_trees通用平衡树(General Balanced Trees) gen_tcpTCP/IP 套接字接口 inetTCP/IP 协议处理函数 io标准输入输出(I/O)服务接口函数 lists列表处理函数 makeErlang 的代码编译函数库 maps映射...
错误信息 'builtin_function_or_method' object has no attribute 'strftime' 表明你尝试在一个内置函数或方法对象上调用 strftime,但这个对象并不支持这个方法。 确定引发错误的对象及其类型: 你需要检查你的代码,找到引发错误的对象。通常这个对象可能是一个被错误地赋值或引用的变量,或者是一个错误地从模块中导入...
Function Return Type Description DATE string DATE Parse the date string (yyyy-MM-dd) to a SQL date. TIME string TIME Parse the time string (HH:mm:ss) to the SQL time. TIMESTAMP string TIMESTAMP Convert the time string into timestamp. The time string format isyyyy-MM-ddHH:mm:ss.fff....
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For DEBUG level, we have only date (with day and month), source function and log message. The rest of configurations for DEBUG are used from GLOBAL. Also, notice {%d/%M} in DEBUG format above, if you do not specify date format, default format is used. Default values of date/time is...
This module has many time related functions. time(): This function returns current system time in ticks. The ticks is number of seconds elapsed after epoch time i.e. 12.00 am, January 1, 1970. >>> time.time() 1544348359.1183174 localtime(): This function translates time in ticks in a ...
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. Table 14.1 Built-In Functions and Operators NameDescriptionDeprecated ...