expr repeat/space/lrpad opt for text type

tools/deploy/mysql_test/test_suite/static_engine/r/mysql/expr_repeat.result

@@ -82,3 +82,17 @@ select repeat(1.414, 2);
 select repeat("abc", 200000000);
 ERROR HY000: Result of repeat() was larger than max_allowed_packet (4194304) - truncated
 
+drop table t2;
+create table t2 as select repeat('a', 512),repeat('a', 513),repeat('a',32767),repeat('a',32768),repeat('a',65535),repeat('a',65536) from dual;
+desc t2;
++-------------------+--------------+------+-----+---------+-------+
+| Field             | Type         | Null | Key | Default | Extra |
++-------------------+--------------+------+-----+---------+-------+
+| repeat('a', 512)  | varchar(512) | YES  |     | NULL    |       |
+| repeat('a', 513)  | text         | YES  |     | NULL    |       |
+| repeat('a',32767) | text         | YES  |     | NULL    |       |
+| repeat('a',32768) | text         | YES  |     | NULL    |       |
+| repeat('a',65535) | text         | YES  |     | NULL    |       |
+| repeat('a',65536) | longtext     | YES  |     | NULL    |       |
++-------------------+--------------+------+-----+---------+-------+
+drop table t2;

tools/deploy/mysql_test/test_suite/static_engine/t/expr_repeat.test

@@ -33,6 +33,12 @@ select repeat(1.414, 2);
 --error 1301
 select repeat("abc", 200000000);
 
+--error 0,1051
+drop table t2;
+create table t2 as select repeat('a', 512),repeat('a', 513),repeat('a',32767),repeat('a',32768),repeat('a',65535),repeat('a',65536) from dual;
+desc t2;
+drop table t2;
+
 --enable_warnings
 
 connection syscon;