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Current File : //usr/opt/mysql57/mysql-test/t/func_bitwise_ops.test |
# This tests bitwise operations focusing mostly on cases where # one of the parameters is binary/varbinary CREATE TABLE t(id int, vbin1 varbinary(32), vbin2 varbinary(32)); INSERT INTO t VALUES (1, x'59', x'6a'), (2, x'5939', x'6ac3'), (3, x'5939a998', x'6ac35d2a'), (4, x'5939a99861154f35', x'6ac35d2a3ab34bda'), (5, x'5939a99861154f3587d5440618e9b28b', x'6ac35d2a3ab34bda8ac412ea0141852c'), (6, x'5939a99861154f3587d5440618e9b28b166181c5ca514ab1b8e9c970ae5e421a', x'6ac35d2a3ab34bda8ac412ea0141852c3c8e38bb19934a7092a40bb19db13a80'), (7, x'5939a99861154f3587d5440618e9b28b', x'8ac412ea0141852c'), (8, x'5939a99861154f35', x'6ac35d2a3ab34bda8ac412ea0141852c'); --echo # --echo # bitwise operations with varbinary args with different sizes --echo # SELECT HEX(vbin1 & vbin2), HEX(vbin1 | vbin2), HEX(vbin1 ^ vbin2), HEX(~vbin1), HEX(vbin1 << 3), HEX(vbin2 >> 3), BIT_COUNT(vbin1) FROM t WHERE id in(1,2,3,4,5,6); SELECT HEX(vbin1 & vbin2) FROM t WHERE id=7; SELECT HEX(vbin1 | vbin2) FROM t WHERE id=7; SELECT HEX(vbin1 ^ vbin2) FROM t WHERE id=7; SELECT HEX(vbin1 << 3), HEX(vbin2 << 3) FROM t WHERE id=7; SELECT HEX(vbin1 >> 3), HEX(vbin2 >> 3) FROM t WHERE id=7; SELECT HEX(~vbin1), HEX(~vbin2) FROM t WHERE id=7; SELECT HEX(vbin1 & vbin2) FROM t WHERE id=8; SELECT HEX(vbin1 | vbin2) FROM t WHERE id=8; SELECT HEX(vbin1 ^ vbin2) FROM t WHERE id=8; SELECT HEX(vbin1 << 3), HEX(vbin2 << 3) FROM t WHERE id=8; SELECT HEX(vbin1 >> 3), HEX(vbin2 >> 3) FROM t WHERE id=8; SELECT HEX(~vbin1), HEX(~vbin2) FROM t WHERE id=8; --echo # --echo # bitwise operations with varbinary args in prepared statement --echo # PREPARE s1 FROM "SELECT HEX(vbin1 & vbin2), HEX(vbin1 | vbin2), HEX(vbin1 ^ vbin2), HEX(~vbin1), HEX(vbin1 << 3), HEX(vbin2 >> 3), BIT_COUNT(vbin1) FROM t WHERE id in(1, 2, 3, 4, 5, 6)"; EXECUTE s1; EXECUTE s1; PREPARE s2 FROM "SELECT HEX(vbin1 & vbin2), HEX(vbin1 | vbin2), HEX(vbin1 ^ vbin2), HEX(~vbin1), HEX(vbin1 << 3), HEX(vbin2 >> 3), BIT_COUNT(vbin1) FROM t WHERE id in(7)"; EXECUTE s2; EXECUTE s2; DROP TABLE t; CREATE TABLE networks ( id int(10) unsigned NOT NULL AUTO_INCREMENT, start varbinary(16) NOT NULL, end varbinary(16) NOT NULL, country_code varchar(2) NOT NULL, country varchar(255) NOT NULL, PRIMARY KEY (id), KEY start (start), KEY end (end) ); --echo # --echo # Testing bitiwise operations on a real-life test case --echo # INSERT INTO networks(start, end, country_code, country) VALUES (INET6_ATON('2c0f:fff0::'),INET6_ATON('2c0f:fff0:ffff:ffff:ffff:ffff:ffff:ffff'),'NG','Nigeria'), (INET6_ATON('2405:1d00::'),INET6_ATON('2405:1d00:ffff:ffff:ffff:ffff:ffff:ffff'),'GR','Greenland'), (INET6_ATON('2c0f:ffe8::'),INET6_ATON('2c0f:ffe8:ffff:ffff:ffff:ffff:ffff:ffff'),'NG','Nigeria'); SELECT id, HEX(start), HEX(end), country_code, country FROM networks WHERE INET6_ATON('2c0f:fff0:1234:5678:9101:1123::') & start = INET6_ATON('2c0f:fff0::'); SELECT id, HEX(start), HEX(end), country_code, country FROM networks WHERE INET6_ATON('2c0f:ffe8:1234:5678:9101:1123::') & start = INET6_ATON('2c0f:ffe8::'); SELECT id, HEX(start), HEX(end), country_code, country FROM networks WHERE INET6_ATON('2c0f:fff0::') | start = INET6_ATON('2c0f:fff0::'); SELECT id, HEX(start), HEX(end), country_code, country FROM networks WHERE INET6_ATON('2c0f:ffe8::') | start = INET6_ATON('2c0f:ffe8::'); SELECT id, HEX(start), HEX(end), country_code, country FROM networks WHERE INET6_ATON('2c0f:fff0::') ^ start = INET6_ATON('::'); SELECT id, HEX(start), HEX(end), country_code, country FROM networks WHERE INET6_ATON('2c0f:ffe8::') ^ start = INET6_ATON('::'); DROP TABLE networks; --echo # --echo # Table containing columns of MySQL types --echo # CREATE TABLE at(_bit bit(64), _tin tinyint(8), _boo bool, _sms smallint signed, _smu smallint unsigned, _mes mediumint signed, _meu mediumint unsigned, _ins int signed, _inu int unsigned, _bis bigint signed, _biu bigint unsigned, _dec decimal (5,2), _flo float, _dou double, _yea year, _jsn json, _chr char(12), _vch varchar(12), _bin binary(255), _vbn varbinary(255), _tbl tinyblob, _ttx tinytext, _blb blob, _txt text, _mbb mediumblob, _mtx mediumtext, _lbb longblob, _ltx longtext, _pnt point, _dat date default '1988-12-15', _dtt datetime default '2015-10-24 12:00:00', _smp timestamp default '2015-10-24 14:00:00', _tim time default' 07:08:09', _enu enum('a', 'b', 'c'), _set set('a', 'b', 'c') ); INSERT INTO at ( _bit, _tin, _boo, _sms, _smu, _mes, _meu, _ins, _inu, _bis, _biu, _dec, _flo, _dou, _yea, _jsn, _chr, _vch, _bin, _vbn, _tbl, _ttx, _blb, _txt, _mbb, _mtx, _lbb, _ltx, _pnt, _enu, _set ) VALUES ( 64, 64, true, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 2005, cast('{"a": 3}' as json), "abcdefghijkl", "abcdefghijkl", x'CAFEBABE000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000CAFEBABE11111111', x'CAFEBABE00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011111111CAFEBABE', x'CAFEBABE000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000CAFE1111CAFE1111', "abcdefg", x'cafebabe', "abcdefg", x'cafebabe', "abcdefg", x'cafebabe', "abcdefg", st_geomfromtext('point(1 1)'), 1, 1 ); SELECT * FROM at; --echo # --echo # bitwise operations with an integer argument and mysql data-types --echo # SELECT _bit | 2147483647 FROM at; SELECT _tin | 2147483647 FROM at; SELECT _boo | 2147483647 FROM at; SELECT _sms | 2147483647 FROM at; SELECT _smu | 2147483647 FROM at; SELECT _mes | 2147483647 FROM at; SELECT _meu | 2147483647 FROM at; SELECT _ins | 2147483647 FROM at; SELECT _inu | 2147483647 FROM at; SELECT _bis | 2147483647 FROM at; SELECT _biu | 2147483647 FROM at; SELECT _dec | 2147483647 FROM at; SELECT _flo | 2147483647 FROM at; SELECT _dou | 2147483647 FROM at; SELECT _yea | 2147483647 FROM at; SELECT _jsn | 2147483647 FROM at; SELECT _chr | 2147483647 FROM at; SELECT _vch | 2147483647 FROM at; SELECT _bin | 2147483647 FROM at; SELECT _vbn | 2147483647 FROM at; SELECT _tbl | 2147483647 FROM at; SELECT _ttx | 2147483647 FROM at; SELECT _blb | 2147483647 FROM at; SELECT _txt | 2147483647 FROM at; SELECT _mbb | 2147483647 FROM at; SELECT _mtx | 2147483647 FROM at; SELECT _lbb | 2147483647 FROM at; SELECT _ltx | 2147483647 FROM at; SELECT _pnt | 2147483647 FROM at; SELECT _dat | 2147483647 FROM at; SELECT _dtt | 2147483647 FROM at; SELECT _smp | 2147483647 FROM at; SELECT _tim | 2147483647 FROM at; SELECT _enu | 2147483647 FROM at; SELECT _set | 2147483647 FROM at; SELECT _bit & 2147483647 FROM at; SELECT _tin & 2147483647 FROM at; SELECT _boo & 2147483647 FROM at; SELECT _sms & 2147483647 FROM at; SELECT _smu & 2147483647 FROM at; SELECT _mes & 2147483647 FROM at; SELECT _meu & 2147483647 FROM at; SELECT _ins & 2147483647 FROM at; SELECT _inu & 2147483647 FROM at; SELECT _bis & 2147483647 FROM at; SELECT _biu & 2147483647 FROM at; SELECT _dec & 2147483647 FROM at; SELECT _flo & 2147483647 FROM at; SELECT _dou & 2147483647 FROM at; SELECT _yea & 2147483647 FROM at; SELECT _jsn & 2147483647 FROM at; SELECT _chr & 2147483647 FROM at; SELECT _vch & 2147483647 FROM at; SELECT _bin & 2147483647 FROM at; SELECT _vbn & 2147483647 FROM at; SELECT _tbl & 2147483647 FROM at; SELECT _ttx & 2147483647 FROM at; SELECT _blb & 2147483647 FROM at; SELECT _txt & 2147483647 FROM at; SELECT _mbb & 2147483647 FROM at; SELECT _mtx & 2147483647 FROM at; SELECT _lbb & 2147483647 FROM at; SELECT _ltx & 2147483647 FROM at; SELECT _pnt & 2147483647 FROM at; SELECT _dat & 2147483647 FROM at; SELECT _dtt & 2147483647 FROM at; SELECT _smp & 2147483647 FROM at; SELECT _tim & 2147483647 FROM at; SELECT _enu & 2147483647 FROM at; SELECT _set & 2147483647 FROM at; SELECT _bit ^ 2147483647 FROM at; SELECT _tin ^ 2147483647 FROM at; SELECT _boo ^ 2147483647 FROM at; SELECT _sms ^ 2147483647 FROM at; SELECT _smu ^ 2147483647 FROM at; SELECT _mes ^ 2147483647 FROM at; SELECT _meu ^ 2147483647 FROM at; SELECT _ins ^ 2147483647 FROM at; SELECT _inu ^ 2147483647 FROM at; SELECT _bis ^ 2147483647 FROM at; SELECT _biu ^ 2147483647 FROM at; SELECT _dec ^ 2147483647 FROM at; SELECT _flo ^ 2147483647 FROM at; SELECT _dou ^ 2147483647 FROM at; SELECT _yea ^ 2147483647 FROM at; SELECT _jsn ^ 2147483647 FROM at; SELECT _chr ^ 2147483647 FROM at; SELECT _vch ^ 2147483647 FROM at; SELECT _bin ^ 2147483647 FROM at; SELECT _vbn ^ 2147483647 FROM at; SELECT _tbl ^ 2147483647 FROM at; SELECT _ttx ^ 2147483647 FROM at; SELECT _blb ^ 2147483647 FROM at; SELECT _txt ^ 2147483647 FROM at; SELECT _mbb ^ 2147483647 FROM at; SELECT _mtx ^ 2147483647 FROM at; SELECT _lbb ^ 2147483647 FROM at; SELECT _ltx ^ 2147483647 FROM at; SELECT _pnt ^ 2147483647 FROM at; SELECT _dat ^ 2147483647 FROM at; SELECT _dtt ^ 2147483647 FROM at; SELECT _smp ^ 2147483647 FROM at; SELECT _tim ^ 2147483647 FROM at; SELECT _enu ^ 2147483647 FROM at; SELECT _set ^ 2147483647 FROM at; --echo # --echo # bitwise operations with a hex literal argument and mysql data-types --echo # SELECT _bit | x'cafebabe' FROM at; SELECT _tin | x'cafebabe' FROM at; SELECT _boo | x'cafebabe' FROM at; SELECT _sms | x'cafebabe' FROM at; SELECT _smu | x'cafebabe' FROM at; SELECT _mes | x'cafebabe' FROM at; SELECT _meu | x'cafebabe' FROM at; SELECT _ins | x'cafebabe' FROM at; SELECT _inu | x'cafebabe' FROM at; SELECT _bis | x'cafebabe' FROM at; SELECT _biu | x'cafebabe' FROM at; SELECT _dec | x'cafebabe' FROM at; SELECT _flo | x'cafebabe' FROM at; SELECT _dou | x'cafebabe' FROM at; SELECT _yea | x'cafebabe' FROM at; SELECT _jsn | x'cafebabe' FROM at; SELECT _chr | x'cafebabe' FROM at; SELECT _vch | x'cafebabe' FROM at; SELECT _bin | x'cafebabe' FROM at; SELECT _vbn | x'cafebabe' FROM at; SELECT _tbl | x'cafebabe' FROM at; SELECT _ttx | x'cafebabe' FROM at; SELECT _blb | x'cafebabe' FROM at; SELECT _txt | x'cafebabe' FROM at; SELECT _mbb | x'cafebabe' FROM at; SELECT _mtx | x'cafebabe' FROM at; SELECT _lbb | x'cafebabe' FROM at; SELECT _ltx | x'cafebabe' FROM at; SELECT _pnt | x'cafebabe' FROM at; SELECT _dat | x'cafebabe' FROM at; SELECT _dtt | x'cafebabe' FROM at; SELECT _smp | x'cafebabe' FROM at; SELECT _tim | x'cafebabe' FROM at; SELECT _enu | x'cafebabe' FROM at; SELECT _set | x'cafebabe' FROM at; SELECT _bit & x'cafebabe' FROM at; SELECT _tin & x'cafebabe' FROM at; SELECT _boo & x'cafebabe' FROM at; SELECT _sms & x'cafebabe' FROM at; SELECT _smu & x'cafebabe' FROM at; SELECT _mes & x'cafebabe' FROM at; SELECT _meu & x'cafebabe' FROM at; SELECT _ins & x'cafebabe' FROM at; SELECT _inu & x'cafebabe' FROM at; SELECT _bis & x'cafebabe' FROM at; SELECT _biu & x'cafebabe' FROM at; SELECT _dec & x'cafebabe' FROM at; SELECT _flo & x'cafebabe' FROM at; SELECT _dou & x'cafebabe' FROM at; SELECT _yea & x'cafebabe' FROM at; SELECT _jsn & x'cafebabe' FROM at; SELECT _chr & x'cafebabe' FROM at; SELECT _vch & x'cafebabe' FROM at; SELECT _bin & x'cafebabe' FROM at; SELECT _vbn & x'cafebabe' FROM at; SELECT _tbl & x'cafebabe' FROM at; SELECT _ttx & x'cafebabe' FROM at; SELECT _blb & x'cafebabe' FROM at; SELECT _txt & x'cafebabe' FROM at; SELECT _mbb & x'cafebabe' FROM at; SELECT _mtx & x'cafebabe' FROM at; SELECT _lbb & x'cafebabe' FROM at; SELECT _ltx & x'cafebabe' FROM at; SELECT _pnt & x'cafebabe' FROM at; SELECT _dat & x'cafebabe' FROM at; SELECT _dtt & x'cafebabe' FROM at; SELECT _smp & x'cafebabe' FROM at; SELECT _tim & x'cafebabe' FROM at; SELECT _enu & x'cafebabe' FROM at; SELECT _set & x'cafebabe' FROM at; SELECT _bit ^ x'cafebabe' FROM at; SELECT _tin ^ x'cafebabe' FROM at; SELECT _boo ^ x'cafebabe' FROM at; SELECT _sms ^ x'cafebabe' FROM at; SELECT _smu ^ x'cafebabe' FROM at; SELECT _mes ^ x'cafebabe' FROM at; SELECT _meu ^ x'cafebabe' FROM at; SELECT _ins ^ x'cafebabe' FROM at; SELECT _inu ^ x'cafebabe' FROM at; SELECT _bis ^ x'cafebabe' FROM at; SELECT _biu ^ x'cafebabe' FROM at; SELECT _dec ^ x'cafebabe' FROM at; SELECT _flo ^ x'cafebabe' FROM at; SELECT _dou ^ x'cafebabe' FROM at; SELECT _yea ^ x'cafebabe' FROM at; SELECT _jsn ^ x'cafebabe' FROM at; SELECT _chr ^ x'cafebabe' FROM at; SELECT _vch ^ x'cafebabe' FROM at; SELECT _bin ^ x'cafebabe' FROM at; SELECT _vbn ^ x'cafebabe' FROM at; SELECT _tbl ^ x'cafebabe' FROM at; SELECT _ttx ^ x'cafebabe' FROM at; SELECT _blb ^ x'cafebabe' FROM at; SELECT _txt ^ x'cafebabe' FROM at; SELECT _mbb ^ x'cafebabe' FROM at; SELECT _mtx ^ x'cafebabe' FROM at; SELECT _lbb ^ x'cafebabe' FROM at; SELECT _ltx ^ x'cafebabe' FROM at; SELECT _pnt ^ x'cafebabe' FROM at; SELECT _dat ^ x'cafebabe' FROM at; SELECT _dtt ^ x'cafebabe' FROM at; SELECT _smp ^ x'cafebabe' FROM at; SELECT _tim ^ x'cafebabe' FROM at; SELECT _enu ^ x'cafebabe' FROM at; SELECT _set ^ x'cafebabe' FROM at; --echo # --echo # bitwise operations with binary and varbinary arguments --echo # SELECT HEX(_bin & _bin), HEX(_bin & _vbn), HEX(_vbn & _bin), HEX(_vbn & _vbn) FROM at; SELECT HEX(_bin | _bin), HEX(_bin | _vbn), HEX(_vbn | _bin), HEX(_vbn | _vbn) FROM at; SELECT HEX(_bin ^ _bin), HEX(_bin ^ _vbn), HEX(_vbn ^ _bin), HEX(_vbn ^ _vbn) FROM at; DROP TABLE at; --echo # --echo # Test of bitwise aggregate functions on BINARY --echo # CREATE TABLE t(a varbinary(10)); INSERT INTO t VALUES(0xFF00F0F0), (0xF0F0FF00); SELECT BIT_AND(a) FROM t; SELECT BIT_OR(a) FROM t; SELECT BIT_XOR(a) FROM t; SELECT HEX(BIT_AND(a)) FROM t; SELECT HEX(BIT_OR(a)) FROM t; SELECT HEX(BIT_XOR(a)) FROM t; truncate table t; # bitwise aggregate functions with NULL value INSERT INTO t VALUES(NULL); SELECT HEX(BIT_AND(a)) FROM t; SELECT HEX(BIT_OR(a)) FROM t; SELECT HEX(BIT_XOR(a)) FROM t; truncate table t; # bitwise aggregate functions when first value is null INSERT INTO t VALUES(NULL), (0xFF00F0F0), (0xF0F0FF00); SELECT HEX(BIT_AND(a)) FROM t; SELECT HEX(BIT_OR(a)) FROM t; SELECT HEX(BIT_XOR(a)) FROM t; truncate table t; # bitwise aggregate functions when last value is null INSERT INTO t VALUES(0xFF00F0F0), (0xF0F0FF00), (NULL); SELECT HEX(BIT_AND(a)) FROM t; SELECT HEX(BIT_OR(a)) FROM t; SELECT HEX(BIT_XOR(a)) FROM t; truncate table t; # bitwise aggregate functions when a value in the middle of the aggregate is null INSERT INTO t VALUES(0xFF00F0F0), (NULL), (0xF0F0FF00); SELECT HEX(BIT_AND(a)) FROM t; SELECT HEX(BIT_OR(a)) FROM t; SELECT HEX(BIT_XOR(a)) FROM t; DROP TABLE t; --echo # --echo # bitwise aggregate functions having arguments with different sizes --echo # CREATE TABLE t(group_id int, a varbinary(10)); INSERT INTO t VALUES(1, 0xFF00F0F0), (1, 0xFF00); SELECT HEX(BIT_AND(lpad(a, 10, 0x00))) FROM t; SELECT BIT_AND(a) FROM t; SELECT BIT_OR(a) FROM t; SELECT BIT_XOR(a) FROM t; PREPARE s1 FROM "SELECT group_id, HEX(BIT_AND(a)) FROM t GROUP BY group_id"; EXECUTE s1; PREPARE s2 FROM "SELECT group_id, HEX(BIT_OR(a)) FROM t GROUP BY group_id"; EXECUTE s2; PREPARE s3 FROM "SELECT group_id, HEX(BIT_XOR(a)) FROM t GROUP BY group_id"; EXECUTE s3; PREPARE s4 FROM "SELECT HEX(BIT_AND(a)) FROM t"; EXECUTE s4; PREPARE s5 FROM "SELECT HEX(BIT_OR(a)) FROM t"; EXECUTE s5; PREPARE s6 FROM "SELECT HEX(BIT_XOR(a)) FROM t"; EXECUTE s6; truncate table t; INSERT INTO t VALUES(1, 0xFF00), (1, 0xFF00F0F0); SELECT BIT_AND(a) FROM t; SELECT BIT_OR(a) FROM t; SELECT BIT_XOR(a) FROM t; PREPARE s1 FROM "SELECT group_id, HEX(BIT_AND(a)) FROM t GROUP BY group_id"; EXECUTE s1; PREPARE s2 FROM "SELECT group_id, HEX(BIT_OR(a)) FROM t GROUP BY group_id"; EXECUTE s2; PREPARE s3 FROM "SELECT group_id, HEX(BIT_XOR(a)) FROM t GROUP BY group_id"; EXECUTE s3; PREPARE s4 FROM "SELECT HEX(BIT_AND(a)) FROM t"; EXECUTE s4; PREPARE s5 FROM "SELECT HEX(BIT_OR(a)) FROM t"; EXECUTE s5; PREPARE s6 FROM "SELECT HEX(BIT_XOR(a)) FROM t"; EXECUTE s6; truncate table t; --echo # check group 5 results with hex literals SELECT HEX(0xABCDEF & 0x123456 & 0x789123), HEX(0xABCDEF | 0x123456 | 0x789123), HEX(0xABCDEF ^ 0x123456 ^ 0x789123); INSERT INTO t(group_id, a) VALUES (1, 0x34567101ABFF00F0F0), (1, 0x34567102ABF0F0F0F0), (1, 0x34567103ABFF00F0F0), (1, 0x34567104ABF0F0F0F0), (2, NULL), (3, 0x34567104ABF0F0F0F0), (4, 0x34567100ABF0F0F0F0), (4, NULL), (4, 0x34567101ABFF00F0F0), (5, 0xABCDEF), (5, 0x123456), (5, 0x789123); --echo # --echo # aggregate functions --echo # SELECT group_id, HEX(BIT_AND(a)), HEX(BIT_OR(a)), HEX(BIT_XOR(a)) FROM t GROUP BY group_id; SELECT group_id, HEX(BIT_AND(a)), BIT_AND(192), BIT_AND(0x303233), BIT_AND(binary "foo") FROM t GROUP BY group_id; SELECT BIT_COUNT(group_id), BIT_COUNT(a), BIT_COUNT(192), BIT_COUNT(0x303233), BIT_COUNT(binary "foo"), BIT_COUNT(NULL) FROM t; --echo # --echo # aggregate functions in prepared statements --echo # PREPARE s1 FROM "SELECT HEX(BIT_AND(a)),HEX(BIT_OR(a)),HEX(BIT_XOR(a)) FROM t WHERE group_id = 5"; EXECUTE s1; EXECUTE s1; PREPARE s2 FROM "SELECT group_id, HEX(BIT_AND(a)), HEX(BIT_OR(a)), HEX (BIT_XOR(a)) FROM t GROUP BY group_id"; EXECUTE s2; EXECUTE s2; DROP TABLE t;