#175 test case for alter table modify enum

mysql-test/suite/tokudb.alter_table/r/mod_enum.result

+set default_storage_engine=tokudb;
+drop table if exists test_enum;
+CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM('value1','value2','value3') NULL);
+INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
+SELECT * FROM test_enum;
+col1	col2
+1	value1
+2	value1
+3	value3
+set tokudb_disable_slow_alter=1;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value3');
+SELECT * FROM test_enum;
+col1	col2
+1	value1
+2	value1
+3	value3
+drop table test_enum;
+CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM('value1','value2','value3') NULL);
+INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
+SELECT * FROM test_enum;
+col1	col2
+1	value1
+2	value1
+3	value3
+set tokudb_disable_slow_alter=1;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value3');
+ERROR 42000: Table 'test_enum' uses an extension that doesn't exist in this MySQL version
+set tokudb_disable_hot_alter=1;
+set tokudb_disable_slow_alter=0;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value3');
+SELECT * FROM test_enum;
+col1	col2
+1	value1
+2	value1
+3	value3
+drop table test_enum;
+CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM('value1','value2','value3') NULL);
+INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
+SELECT * FROM test_enum;
+col1	col2
+1	value1
+2	value1
+3	value3
+set tokudb_disable_slow_alter=1;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value4');
+ERROR 42000: Table 'test_enum' uses an extension that doesn't exist in this MySQL version
+set tokudb_disable_hot_alter=1;
+set tokudb_disable_slow_alter=0;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value4');
+Warnings:
+Warning	1265	Data truncated for column 'col2' at row 3
+SELECT * FROM test_enum;
+col1	col2
+1	value1
+2	value1
+3	
+drop table test_enum;

mysql-test/suite/tokudb.alter_table/t/mod_enum.test

+# test for bogus inplace alter of an enum field
+
+source include/have_tokudb.inc;
+set default_storage_engine=tokudb;
+
+disable_warnings;
+drop table if exists test_enum;
+enable_warnings;
+
+# no change in enum list
+CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM('value1','value2','value3') NULL);
+INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
+SELECT * FROM test_enum;
+
+set tokudb_disable_slow_alter=1;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value3');
+SELECT * FROM test_enum;
+
+drop table test_enum;
+
+# change number in enum list
+CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM('value1','value2','value3') NULL);
+INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
+SELECT * FROM test_enum;
+
+set tokudb_disable_slow_alter=1;
+--error ER_UNSUPPORTED_EXTENSION
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value3');
+
+set tokudb_disable_hot_alter=1;
+set tokudb_disable_slow_alter=0;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value3');
+SELECT * FROM test_enum;
+
+drop table test_enum;
+
+# change values in enum list
+CREATE TABLE test_enum (col1 INT NOT NULL PRIMARY KEY AUTO_INCREMENT, col2 ENUM('value1','value2','value3') NULL);
+INSERT INTO test_enum (col2) VALUES ('value1'),('value1'),('value3');
+SELECT * FROM test_enum;
+
+set tokudb_disable_slow_alter=1;
+--error ER_UNSUPPORTED_EXTENSION
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value4');
+
+set tokudb_disable_hot_alter=1;
+set tokudb_disable_slow_alter=0;
+ALTER TABLE test_enum MODIFY COLUMN col2 ENUM('value1','value2','value4');
+SELECT * FROM test_enum;
+
+drop table test_enum;
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