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Grab the low-hanging fruit from forcing USE_FLOAT8_BYVAL to true.

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Remove conditionally-compiled code for the other case.

Replace uses of FLOAT8PASSBYVAL with constant "true", mainly because
it was quite confusing in cases where the type we were dealing with
wasn't float8.

I left the associated pg_control and Pg_magic_struct fields in place.
Perhaps we should get rid of them, but it would save little, so it
doesn't seem worth thinking hard about the compatibility implications.
I just labeled them "vestigial" in places where that seemed helpful.

Author: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/1749799.1752797397@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2025-08-13 17:18:13 -04:00
parent 6aebedc384
commit ee54046601
22 changed files with 100 additions and 313 deletions
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2
src/backend/rewrite/rewriteSearchCycle.c
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@@ -320,7 +320,7 @@ rewriteSearchAndCycle(CommonTableExpr *cte)
if (cte->search_clause->search_breadth_first)
{
search_col_rowexpr->args = lcons(makeConst(INT8OID, -1, InvalidOid, sizeof(int64),
Int64GetDatum(0), false, FLOAT8PASSBYVAL),
Int64GetDatum(0), false, true),
search_col_rowexpr->args);
search_col_rowexpr->colnames = lcons(makeString("*DEPTH*"), search_col_rowexpr->colnames);
texpr = (Expr *) search_col_rowexpr;