--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1(c1 BIT NOT NULL, c2 BIT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 TINYINT NOT NULL, c2 TINYINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 SMALLINT NOT NULL, c2 SMALLINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 MEDIUMINT NOT NULL, c2 MEDIUMINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 INT NOT NULL, c2 INT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 INTEGER NOT NULL, c2 INTEGER);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 BIGINT NOT NULL, c2 BIGINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 REAL NOT NULL, c2 REAL);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 DOUBLE NOT NULL, c2 DOUBLE);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 FLOAT NOT NULL, c2 FLOAT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 DECIMAL NOT NULL, c2 DECIMAL);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 NUMERIC NOT NULL, c2 NUMERIC);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 DATE NOT NULL, c2 DATE);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 TIMESTAMP NOT NULL, c2 TIMESTAMP);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 YEAR NOT NULL, c2 YEAR);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP   c2;
--error 1090
ALTER TABLE t1 DROP   c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 BIT NOT NULL, c2 BIT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 TINYINT NOT NULL, c2 TINYINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 SMALLINT NOT NULL, c2 SMALLINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 MEDIUMINT NOT NULL, c2 MEDIUMINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 INT NOT NULL, c2 INT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 INTEGER NOT NULL, c2 INTEGER);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 BIGINT NOT NULL, c2 BIGINT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 REAL NOT NULL, c2 REAL);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 DOUBLE NOT NULL, c2 DOUBLE);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 FLOAT NOT NULL, c2 FLOAT);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 DECIMAL NOT NULL, c2 DECIMAL);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 NUMERIC NOT NULL, c2 NUMERIC);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 DATE NOT NULL, c2 DATE);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 TIMESTAMP NOT NULL, c2 TIMESTAMP);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;
CREATE TABLE t1(c1 YEAR NOT NULL, c2 YEAR);
SHOW TABLES; 
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; 
ALTER TABLE t1 DROP COLUMN c2;
--error 1090
ALTER TABLE t1 DROP COLUMN c1;
let $ENGINE=`select variable_value from information_schema.global_variables where variable_name='STORAGE_ENGINE'`; 
--replace_result $ENGINE ENGINE " PAGE_CHECKSUM=0" "" " PAGE_CHECKSUM=1" ""
 SHOW CREATE TABLE t1; DROP TABLE t1; SHOW TABLES;