>> >> glibc on those 2 versions of RHEL have very different ideas of what the >> sort order should be. Try running the following and you'll likely see >> different results on RHEL 7.9 vs 8.7 >> >> CREATE TABLE t1 (c1 varchar PRIMARY KEY); >> INSERT INTO t1 VALUES ('1-a'), ('1a'), ('1-aa'); >> SELECT * FROM t1 ORDER BY c1;
>Yep -- RHEL 7.9 is glibc 2.17 (likely -326) and 8.7 is glibc 2.28 (-211 >seems to be latest), and they are well known to sort differently even >for "common" characters (e.g. "-")
