TO_HEX

This topic is shared in two locations: Formatting Functions and String Functions.

Returns a VARCHAR or VARBINARY representing the hexadecimal equivalent of a number. This function is the inverse of HEX_TO_BINARY.

Behavior type

TO_HEX ( number )

number: An INTEGER or VARBINARY value to convert to hexadecimal. If you supply a VARBINARY argument, the function's return value is not preceded by 0x.

=> SELECT TO_HEX(123456789);
 TO_HEX
---------
 75bcd15
(1 row)

For VARBINARY inputs, the returned value is not preceded by 0x. For example:

=> SELECT TO_HEX('ab'::binary(2));
 TO_HEX
--------
 6162
(1 row)