EVOLUTION-MANAGER

Edit File: change_column_varchar.test

source include/have_tokudb.inc; # test that varchar expansion is done inplace while varchar shrinkage is not --disable_warnings DROP TABLE IF EXISTS t; --enable_warnings SET SESSION TOKUDB_DISABLE_SLOW_ALTER=ON; CREATE TABLE t (a VARCHAR(1)) ENGINE=TokuDB; SHOW CREATE TABLE t; INSERT INTO t VALUES (null); # 1->1 let $i=1 EVAL ALTER TABLE t CHANGE COLUMN a a VARCHAR($i); # 1->2 ... 1023->1024 is supported # 1024 is an arbitrary limit >= 256 let $i=2; while ($i <= 1024) { # $i-1 -> $i EVAL ALTER TABLE t CHANGE COLUMN a a VARCHAR($i); # $i -> $i EVAL ALTER TABLE t CHANGE COLUMN a a VARCHAR($i); inc $i; } # shrink from 1024->$i where $i < 1024 is not supported let $i=1023; while ($i > 0) { --replace_regex /MariaDB/XYZ/ /MySQL/XYZ/ --error ER_UNSUPPORTED_EXTENSION EVAL ALTER TABLE t CHANGE COLUMN a a VARCHAR($i); dec $i; } DROP TABLE t;