improve auto generated fullstack tests (#3592)

.gitignore

@@ -262,4 +262,6 @@ libs/libtiflash-proxy
 
 tmp/
 
+tests/fullstack-test2/auto_gen
+
 CoverageReport

tests/fullstack-test2/ddl/binary_default_value.test

@@ -10,19 +10,20 @@ mysql> alter table test.t add column b1 binary(8) not null;
 mysql> alter table test.t add column b2 binary(8) default X'3132';
 mysql> alter table test.t add column b3 binary(8) not null default X'003132';
 mysql> alter table test.t add column b4 binary(8) not null default X'0031323334353637';
+mysql> alter table test.t add column b5 varbinary(8) not null default X'0031323334353637';
 
 mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t;
-+------+------------------+----------------+----------------+-----------+
-| a    | b1               | b2             | b3             | b4        |
-+------+------------------+------------------+----------------+-----------+
-|    1 | \0\0\0\0\0\0\0\0 | 12\0\0\0\0\0\0 | \012\0\0\0\0\0 | \01234567 |
-+------+------------------+----------------+----------------+-----------+
++------+------------------+----------------+----------------+-----------+-----------+
+| a    | b1               | b2             | b3             | b4        | b5        |
++------+------------------+------------------+----------------+-----------+-----------+
+|    1 | \0\0\0\0\0\0\0\0 | 12\0\0\0\0\0\0 | \012\0\0\0\0\0 | \01234567 |  \01234567 |
++------+------------------+----------------+----------------+-----------+-----------+
 
 mysql> set session tidb_isolation_read_engines='tikv'; select * from test.t;
-+------+------------------+----------------+----------------+-----------+
-| a    | b1               | b2             | b3             | b4        |
-+------+------------------+----------------+----------------+-----------+
-|    1 | \0\0\0\0\0\0\0\0 | 12\0\0\0\0\0\0 | \012\0\0\0\0\0 | \01234567 |
-+------+------------------+----------------+----------------+-----------+
++------+------------------+----------------+----------------+-----------+-----------+
+| a    | b1               | b2             | b3             | b4        | b5        |
++------+------------------+----------------+----------------+-----------+-----------+
+|    1 | \0\0\0\0\0\0\0\0 | 12\0\0\0\0\0\0 | \012\0\0\0\0\0 | \01234567 | \01234567 |
++------+------------------+----------------+----------------+-----------+-----------+
 
 mysql> drop table if exists test.t

tests/fullstack-test2/dml/text_blob_type.test

@@ -0,0 +1,14 @@
+mysql> drop table if exists test.t
+mysql> create table test.t(a text, b blob)
+mysql> alter table test.t set tiflash replica 1
+
+func> wait_table test t
+
+mysql> insert into test.t values('test1', '01223');
+
+mysql> set session tidb_isolation_read_engines='tiflash'; select * from test.t;
++-------+--------------+
+| a     | b            |
++-------+--------------+
+| test1 | 01223        |
++-------+--------------+