executor: fix the location of the partition in the "show create table" result

[zimulala]

What problem does this PR solve?

CREATE TABLE t (a int, id int(11) NOT NULL AUTO_INCREMENT, PRIMARY KEY(id)) AUTO_INCREMENT=4 comment="testing"
     PARTITION BY RANGE (id) (PARTITION p0 VALUES LESS THAN (6))

Execute the SQL of show create table t.
Before:

+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table                                                                                                                                                                                                                                                                   |
+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| t     | CREATE TABLE `t` (
  `a` int(11) DEFAULT NULL,
  `id` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
PARTITION BY RANGE ( `id` ) (
  PARTITION p0 VALUES LESS THAN (6)
) AUTO_INCREMENT=4 COMMENT='testing' |
+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

After:

+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table                                                                                                                                                                                                                                                                   |
+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| t     | CREATE TABLE `t` (
  `a` int(11) DEFAULT NULL,
  `id` int(11) NOT NULL AUTO_INCREMENT,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin
PARTITION BY RANGE ( `id` ) (
  PARTITION p0 VALUES LESS THAN (6)
) AUTO_INCREMENT=4 COMMENT='testing' |
+-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

What is changed and how it works?

Update the position of display the partitions information.

Check List

Tests

• Unit test

Related changes

• Need to cherry-pick to the release branch

[codecov]

Codecov Report

Merging #10685 into master will not change coverage.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             master     #10685   +/-   ##
===========================================
  Coverage   78.3658%   78.3658%           
===========================================
  Files           414        414           
  Lines         87704      87704           
===========================================
  Hits          68730      68730           
+ Misses        13840      13839    -1     
- Partials       5134       5135    +1

[codecov]

Codecov Report

Merging #10685 into master will not change coverage.
The diff coverage is 100%.

@@             Coverage Diff             @@
##             master     #10685   +/-   ##
===========================================
  Coverage   78.3658%   78.3658%           
===========================================
  Files           414        414           
  Lines         87704      87704           
===========================================
  Hits          68730      68730           
+ Misses        13840      13839    -1     
- Partials       5134       5135    +1

[zimulala]

Duplicated #10682