SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_QnA WHERE (( wr_name = '壅�' ) ) and wr_is_comment = 0 and (wr_num between '-116751' and '-106751')
Illegal mix of collations (utf8mb3_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation '=' : 1267