Add push down test for function bin in tikv.

[cireu]

Signed-off-by: Zhu Zihao <all_but_last>@163.com

[cireu]

What's the meaning of this failed CI build? I try run copr test in tikv/tikv#5872. And I don't know whether the issue is about my code or copr-test now. @breeswish

[lonng]

@cireu Seems TiDB does not handle correctly.

[cireu]

should I report this in tidb? @lonng

[lonng]

@cireu I reproduce this in MySQL and the TiDB has the same behavior with MySQL. So I think you can investigate into it.

Reproduce step:

• mysql --host=172.16.5.32 --port=4000 --user=root test < ./push-down-test/prepare/0_data.sql
• SELECT FORMAT( '10:02:47.050292', ( 'p' DIV col_smallint) ) AS field1 FROMtable20_int_autoincWHERE BIN(col_smallint ) /* QNO 2562 CON_ID 176 */ ;

[cireu]

@lonng Try following commands

docker run --rm --name msql -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 -e MYSQL_DATABASE=test -d mysql:8.0.15
mysql -h<yourlocalhost> -P3306 -uroot -p123456 test < ./push-down-test/prepare/0_data.sql

And after run the SQL query I get

mysql> select format( '10:02:47.050292', ( 'p' DIV `col_smallint` ) ) AS field1 FROM `table20_int_autoinc` WHERE BIN( `col_smallint` );
+--------+
| field1 |
+--------+
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
| 10     |
+--------+
12 rows in set, 24 warnings (0.00 sec)

Same result as TiKV coprocessor

[cireu]

Don' t why DCO bot complain about my sign-off.

[breezewish]

Hi, the DCO requires all commits to be signed-off. You can have a rebase (like rewriting the branch into one, signed commit).

[cireu]

Looks that this issue is still opened now. pingcap/tidb#13440

I will do the rest(resolve conflicts, sign commits) after that.