parse
SHOW SYSTEM GRANTS
----
SHOW SYSTEM GRANTS
SHOW SYSTEM GRANTS -- fully parenthesized
SHOW SYSTEM GRANTS -- literals removed
SHOW SYSTEM GRANTS -- identifiers removed

parse
SHOW SYSTEM GRANTS FOR foo
----
SHOW SYSTEM GRANTS FOR foo
SHOW SYSTEM GRANTS FOR foo -- fully parenthesized
SHOW SYSTEM GRANTS FOR foo -- literals removed
SHOW SYSTEM GRANTS FOR _ -- identifiers removed

parse
SHOW SYSTEM GRANTS FOR foo, bar
----
SHOW SYSTEM GRANTS FOR foo, bar
SHOW SYSTEM GRANTS FOR foo, bar -- fully parenthesized
SHOW SYSTEM GRANTS FOR foo, bar -- literals removed
SHOW SYSTEM GRANTS FOR _, _ -- identifiers removed

parse
SHOW SYSTEM GRANTS FOR "foO", "bAr"
----
SHOW SYSTEM GRANTS FOR "foO", "bAr"
SHOW SYSTEM GRANTS FOR "foO", "bAr" -- fully parenthesized
SHOW SYSTEM GRANTS FOR "foO", "bAr" -- literals removed
SHOW SYSTEM GRANTS FOR _, _ -- identifiers removed
