On Sat, Jun 22, 2024 at 9:02 PM Tatsuo Ishii <ishii@sraoss.co.jp> wrote:
I was unable to parse a comment in src/backend/parser/gram.y around line 11364:
/* * As func_expr but does not accept WINDOW functions directly (they * can still be contained in arguments for functions etc.) * Use this when window expressions are not allowed, so to disambiguate * the grammar. (e.g. in CREATE INDEX) */
Maybe "but" is unnecessary in the first sentence in the comment?
The "but" is required, add a comma before it. It could also be written a bit more verbosely:
func_expr_windowless is the same as func_expr aside from not accepting window functions directly ...
