On Fri, May 09, 2025 at 11:05:43AM +0800, Junwang Zhao wrote: > Why not a location and a length, it should be more natural, it > seems we use this convention in some existing nodes, like > RawStmt, InsertStmt etc.
These are new concepts as of Postgres 18 (aka only on HEAD), chosen mainly to match with the internals of pg_stat_statements as far as I recall. Doing the same here would not hurt, but it may be better depending on the cases to rely on a start/end. I suspect that switching from one to the other should not change much the internal squashing logic. -- Michael
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