MAKE_SET(bits,str1,str2,...)

Returns a set value (a string containing substrings separated by , characters) consisting of the strings that have the corresponding bit in bits set. str1 corresponds to bit 0, str2 to bit 1, and so on. NULL values in str1, str2, ... are not appended to the result.

Syntax

MYSQL Copy

SELECT MAKE_SET(1,'a','b','c');
'a'
SELECT MAKE_SET(1 | 4,'hello','nice','world');
'hello,world'
SELECT MAKE_SET(1 | 4,'hello','nice',NULL,'world');
'hello'
SELECT MAKE_SET(0,'a','b','c');
''

Examples

Example

MYSQL Copy

SELECT MAKE_SET(1,'a','b','c');
'a'
SELECT MAKE_SET(1 | 4,'hello','nice','world');
'hello,world'
SELECT MAKE_SET(1 | 4,'hello','nice',NULL,'world');
'hello'
SELECT MAKE_SET(0,'a','b','c');
''