The Ultimate Guide to High Availability with MariaDB
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mysql_hex_string

Syntax

unsigned long mysql_hex_string(char * to,
                               const char * from,
                               unsigned long len);
  • to - result buffer
  • from - the string which will be encoded
  • len - length of the string (from)

Description

This function is used to create a hexadecimal string which can be used in SQL statements. e.g. INSERT INTO my_blob VALUES(X'A0E1CD').

Returns the length of the encoded string without the trailing null character.

The size of the buffer for the encoded string must be 2 * length + 1.

The encoded string does not contain a leading X'.

See also

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