[ISSUE #6216] Unify SQL naming style.

[mask616]

Please do not create a Pull Request without creating an issue first.

What is the purpose of the change

For [#6216]

Unify SQL naming style.

Naming rules:

SQL keyword : uppercase(eg.INSERT INTO, SELECT, UPDATE, DELETE, FROM, WHERE, LEFT JOIN, AND, LIKE... )
SQL function name : lowercase(eg. count, max...)
SQL field name: lowercase
Table name : lowercase

For example:

SELECT a,b,c FROM table;
SELECT count(*) FROM table;

[KomachiSion]

Is this PR duplicated with #6233？

[mask616]

#6233？

No, #6233 just modified the naming of some java source files SQL. This PR unifies the naming of all Java source files SQL in the config module. In addition, I also provide naming rules.

[KomachiSion]

I found that the count is modified by other PR to upper case.

And all of them are modified to lower case.

Should we unify al of them?

[mask616]

I found that the count is modified by other PR to upper case.

And all of them are modified to lower case.

Should we unify al of them?

Now, all the count is lower case.
I used the full-text search keyword 'COUNT' and didn't find the uppercase 'COUNT'