A minor simplification for List manipulation

Fix one place that was using lfirst(list_head(list)) by using linitial(list)
instead.  They are equivalent but the latter is simpler.  We did the same in
9d299a49.

Author: Richard Guo <guofenglinux@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CAMbWs49dJnpezDQDDxCPKq7+=_3NyqLqGqnhqCjd+dYe4MS15w@mail.gmail.com
This commit is contained in:
Peter Eisentraut 2023-07-03 11:35:15 +02:00
parent dc6070bf5d
commit 6d56c501a7

View File

@ -523,7 +523,7 @@ rewriteSearchAndCycle(CommonTableExpr *cte)
fexpr = makeFuncExpr(F_INT8INC, INT8OID, list_make1(fs), InvalidOid, InvalidOid, COERCE_EXPLICIT_CALL);
lfirst(list_head(search_col_rowexpr->args)) = fexpr;
linitial(search_col_rowexpr->args) = fexpr;
texpr = (Expr *) search_col_rowexpr;
}