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support IF EXISTS in COMMENT statements (#831)

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* support IF EXISTS in COMMENT statements

Signed-off-by: Pawel Leszczynski <leszczynski.pawel@gmail.com>

* Update src/ast/mod.rs

Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>

---------

Signed-off-by: Pawel Leszczynski <leszczynski.pawel@gmail.com>
Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>
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pawel.leszczynski 2023-03-09 14:06:39 +01:00 • committed by GitHub
parent 548191814c
commit 4ff3aeb040
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3 changed files with 19 additions and 2 deletions
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8
tests/sqlparser_postgres.rs
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@ -1790,10 +1790,12 @@ fn parse_comments() {
object_type,
object_name,
comment: Some(comment),
if_exists,
} => {
assert_eq!("comment", comment);
assert_eq!("tab.name", object_name.to_string());
assert_eq!(CommentObject::Column, object_type);
assert!(!if_exists);
}
_ => unreachable!(),
}
@ -1803,22 +1805,26 @@ fn parse_comments() {
object_type,
object_name,
comment: Some(comment),
if_exists,
} => {
assert_eq!("comment", comment);
assert_eq!("public.tab", object_name.to_string());
assert_eq!(CommentObject::Table, object_type);
assert!(!if_exists);
}
_ => unreachable!(),
}
match pg().verified_stmt("COMMENT ON TABLE public.tab IS NULL") {
match pg().verified_stmt("COMMENT IF EXISTS ON TABLE public.tab IS NULL") {
Statement::Comment {
object_type,
object_name,
comment: None,
if_exists,
} => {
assert_eq!("public.tab", object_name.to_string());
assert_eq!(CommentObject::Table, object_type);
assert!(if_exists);
}
_ => unreachable!(),
}