#167 test case for -100010 error when shrinking a column

mysql-test/suite/tokudb.bugs/r/alter_table_copy_table.result

+drop table if exists t;
+set tokudb_disable_hot_alter=ON;
+set default_storage_engine=tokudb;
+create table t (id int, x char(2), primary key (id), unique key (x));
+insert into t values (1,'aa'),(2,'ab');
+alter table t modify x char(1);
+ERROR 23000: Duplicate entry 'a' for key 'x'
+drop table t;

mysql-test/suite/tokudb.bugs/t/alter_table_copy_table.test

+# test that a uniqueness violation during an alter table operation returns a duplicate key error
+source include/have_tokudb.inc;
+disable_warnings;
+drop table if exists t;
+enable_warnings;
+set tokudb_disable_hot_alter=ON;
+set default_storage_engine=tokudb;
+create table t (id int, x char(2), primary key (id), unique key (x));
+insert into t values (1,'aa'),(2,'ab');
+--error 1062
+alter table t modify x char(1);
+drop table t;
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