--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
set names cp932;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦', c2 INTEGER COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦',c3 INTEGER COMMENT '012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, c8 VARCHAR(100), c9 CHAR(50), c10 DATETIME, c11 DATETIME, c12 DATETIME,c13 DATETIME, INDEX i1 (c1) COMMENT 'i1 comment',INDEX i2(c2) 
) COMMENT='‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;


CREATE INDEX i4 ON t1(c4) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;


ALTER TABLE t1 ADD INDEX (c6) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;

DROP INDEX i1 ON t1;
ALTER TABLE t1 DROP INDEX i2, DROP INDEX i4;
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;

ALTER TABLE t1 ADD INDEX i8(c8) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦', ADD INDEX i10(c10) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;


# multicolumn index
CREATE INDEX i1_3 ON t1(c1,c2,c3) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;


# comment overflow(warning)
SET STATEMENT sql_mode = '' FOR
CREATE INDEX i11 ON t1(c11) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;

SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
ALTER TABLE t1 ADD INDEX (c13) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;



# comment overflow(error)
set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_INDEX_COMMENT
ALTER TABLE t1 ADD INDEX i12 (c12) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;


set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_INDEX_COMMENT
CREATE INDEX i12 ON t1(c12) COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦';
SELECT table_comment,char_length(table_comment) FROM information_schema.tables WHERE table_name='t1';
SELECT column_comment,char_length(column_comment) FROM information_schema.columns WHERE table_name='t1';
SELECT comment,index_comment,char_length(index_comment) FROM information_schema.statistics WHERE table_name='t1';
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='DEFAULT_STORAGE_ENGINE'`;
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
SHOW CREATE TABLE t1;

DROP TABLE t1;