+----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-------------------+ | Level | Code | Message | +-------+------+-------------------+ | Note | 1003 | select 65 AS `65` | +-------+------+-------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-------------------+ | Level | Code | Message | +-------+------+-------------------+ | Note | 1003 | select 65 AS `v1` | +-------+------+-------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-----------------------+ | Level | Code | Message | +-------+------+-----------------------+ | Note | 1003 | select 0x41 AS `0x41` | +-------+------+-----------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-------------------+ | Level | Code | Message | +-------+------+-------------------+ | Note | 1003 | select v1 AS `v1` | +-------+------+-------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+--------------------------------+ | Level | Code | Message | +-------+------+--------------------------------+ | Note | 1003 | select (0 + ???) AS `0 + 0x41` | +-------+------+--------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+--------------------------------+ | Level | Code | Message | +-------+------+--------------------------------+ | Note | 1003 | select (??? + 0) AS `0x41 + 0` | +-------+------+--------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+----------------------------------------------------------+ | Level | Code | Message | +-------+------+----------------------------------------------------------+ | Note | 1003 | select cast(??? as unsigned) AS `CAST(0x41 AS UNSIGNED)` | +-------+------+----------------------------------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+---------------------------------------------------------------+ | Level | Code | Message | +-------+------+---------------------------------------------------------------+ | Note | 1003 | select cast(??? as char charset utf8) AS `CAST(0x41 AS CHAR)` | +-------+------+---------------------------------------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+----------------------------------+ | Level | Code | Message | +-------+------+----------------------------------+ | Note | 1003 | select char(???) AS `CHAR(0x41)` | +-------+------+----------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-------------------------+ | Level | Code | Message | +-------+------+-------------------------+ | Note | 1003 | select x'41' AS `x'41'` | +-------+------+-------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-------------------+ | Level | Code | Message | +-------+------+-------------------+ | Note | 1003 | select v1 AS `v1` | +-------+------+-------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+---------------------------------+ | Level | Code | Message | +-------+------+---------------------------------+ | Note | 1003 | select (0 + ???) AS `0 + x'41'` | +-------+------+---------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+---------------------------------+ | Level | Code | Message | +-------+------+---------------------------------+ | Note | 1003 | select (??? + 0) AS `x'41' + 0` | +-------+------+---------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-----------------------------------------------------------+ | Level | Code | Message | +-------+------+-----------------------------------------------------------+ | Note | 1003 | select cast(??? as unsigned) AS `CAST(x'41' AS UNSIGNED)` | +-------+------+-----------------------------------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+----------------------------------------------------------------+ | Level | Code | Message | +-------+------+----------------------------------------------------------------+ | Note | 1003 | select cast(??? as char charset utf8) AS `CAST(x'41' AS CHAR)` | +-------+------+----------------------------------------------------------------+ 1 row in set (0.00 sec) +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ | 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | No tables used | +----+-------------+-------+------+---------------+------+---------+------+------+----------------+ 1 row in set, 1 warning (0.00 sec) +-------+------+-----------------------------------+ | Level | Code | Message | +-------+------+-----------------------------------+ | Note | 1003 | select char(???) AS `CHAR(x'41')` | +-------+------+-----------------------------------+ 1 row in set (0.00 sec)