SELECTCAST(RAND()*100ASINT)+1AS"1 to 100",CAST(RAND()*1000ASINT)+900AS"900 to 1900",CAST(RAND()*5ASINT)+1AS"1 to 5"; ROUND# 说明:数值指定精度四舍五入 ROUND(number, length, [function]) 参数:length表示小数个数精度 返回类型:同输入参数number的类型 SQUARE# 说明:返回数值的平方 SQUARE(...
regexp_substr(str, regexp) Returns the first substring in str that matches regexp. repeat(expr, n) Returns the string that repeats expr n times. replace(str, search [, replace]) Replaces all occurrences of search with replace. reverse(expr) Returns a reversed string or an array ...
print(a) # bytearray(b'\xe4\xb8\xad\xe5\x9b\xbd')'''#class bytes([source[, encoding[, errors]]]) bytes类型是不可修改的,范围[0,256]#Return a new “bytes” object, which is an immutable sequence of integers in the range 0 <= x < 256.#bytes is an immutable version of bytea...
Can we extend the functionality of built-in functions?Yes, we can extend the functionality of built-in functions by using it with other methods and by applying your logic as per the need. However, it will not affect the pre-defined feature of the used function....
# Free variables are returned by locals() when it is called in function blocks, but not in class blocks. # ord:得到一个字符串或unicode类型的ascii数值 # Given a string representing one Unicode character, return an integer representing the Unicode code point # of that character. For example,...
Returns the first substring in str that matches regexp. repeat(expr, n) Returns the string that repeats expr n times. replace(str, search [, replace]) Replaces all occurrences of search with replace. reverse(expr) Returns a reversed string or an array with reverse order of elements. right...
IS_USED_LOCK() Whether the named lock is in use; return connection identifier if true IS_UUID() Whether argument is a valid UUID ISNULL() Test whether the argument is NULL JSON_ARRAY() Create JSON array JSON_ARRAY_APPEND() Append data to JSON document JSON_ARRAY_INSERT() Insert...
Built-in Function Last Updated:2020-09-25 OverviewThe following types of built-in functions are provided: [String Function](#String Function) [Conditional Function](#Conditional Function) [Type Conversion Function](#Type Conversion Function) [Arithmetic Function](#Arithmetic Function) [Time-rela...
Piping that filter into a second runs the second filter for each element of the array\. Generally, things that would be done with loops and iteration in other languages are just done by gluing filters together in jq\. . .P It\'s important to remember that every filter has an input...
Function class:org.apache.hadoop.hive.ql.udf.UDFDayOfWeekFunction type:BUILTIN decode decode(bin, str) - Decode the first argument using the second argument character setPossible options for the character set are 'US-ASCII', 'ISO-8859-1','UTF-8', 'UTF-16BE', 'UTF-16LE', and 'UTF-...