Keyword CHANGE is missing (ALTER TABLE)

[LeoniePhiline]

ALTER TABLE `tbl`
CHANGE `field_old` `field_new` INT;

[LeoniePhiline]

A note about

tree-sitter-sql/grammar.js

Line 653 in b25d304

// some operations may not be chained to others

:

This is true for postgres, but not for MariaDB and MySQL.

Therefore, the special handling should be removed.

[LeoniePhiline]

I'll hold off working on this until the 4 PRs are merged, to avoid rebases.