--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
SET NAMES cp932;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT '‚ ‚¢‚¤‚¦‚¨ ‚©‚«‚­‚¯‚±', c2 INTEGER,c3 INTEGER COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, 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';
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;
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, 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';
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;


set sql_mode='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, 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';
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;

#warning
set sql_mode='';
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, 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';
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;

set sql_mode='TRADITIONAL';
--error ER_TOO_LONG_TABLE_COMMENT
create table t1 (c1 VARCHAR(10) NOT NULL COMMENT 'c1 comment', c2 INTEGER,c3 INTEGER COMMENT '‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±‚ ‚¢‚¤‚¦‚¨‚©‚«‚­‚¯‚±', c4 INTEGER, c5 INTEGER, c6 INTEGER, c7 INTEGER, 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';