Converts a hexadecimal string into a string. This function is an additional function of MaxCompute V2.0.
Syntax
binary unhex(string <number>)Parameters
number: required. A hexadecimal string.
Return value
A value of the BINARY type is returned. The return value varies based on the following rules:
If the value of number is 0, an error is returned.
If the value of number is null, null is returned.
Examples
-- The return value is abc.
select unhex('616263');
-- The return value is abc.
select unhex(616263);
-- The return value is null.
select unhex(null);Related functions
UNHEX is a mathematical function. For more information about functions related to data computing and conversion, see Mathematical functions.