Amazon Redshift will no longer support the creation of new Python UDFs starting November 1, 2025.
If you would like to use Python UDFs, create the UDFs prior to that date.
Existing Python UDFs will continue to function as normal. For more information, see the
blog post
FROM_VARBYTE function
FROM_VARBYTE converts a binary value to a character string in the specified format.
Syntax
FROM_VARBYTE(binary_value, format)
Arguments
- binary_value
-
A binary value of data type
VARBYTE
. - format
-
The format of the returned character string. Case insensitive valid values are
hex
,binary
,utf8
(alsoutf-8
andutf_8
), andbase64
.
Return type
VARCHAR
Examples
To convert the binary value 'ab'
to hexadecimal, use the following example.
SELECT FROM_VARBYTE('ab', 'hex');
+--------------+ | from_varbyte | +--------------+ | 6162 | +--------------+
To return the binary representation of '4d'
, use the following example.
The binary representation of '4d'
is the character string 01001101
.
SELECT FROM_VARBYTE(FROM_HEX('4d'), 'binary');
+--------------+ | from_varbyte | +--------------+ | 01001101 | +--------------+