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Remove obsolete _bt_compare() comment.

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btbuild() has nothing to say about how NULL values compare in nbtree.
Besides, there are _bt_compare() header comments that describe how NULL
values are handled.
This commit is contained in:
Peter Geoghegan
2020-02-18 16:07:16 -08:00
parent b7e51b350c
commit fe9b92854e
1 changed files with 0 additions and 1 deletions
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src/backend/access/nbtree/nbtsearch.c
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@ -601,7 +601,6 @@ _bt_compare(Relation rel,
datum = index_getattr(itup, scankey->sk_attno, itupdesc, &isNull); datum = index_getattr(itup, scankey->sk_attno, itupdesc, &isNull);
/* see comments about NULLs handling in btbuild */
if (scankey->sk_flags & SK_ISNULL) /* key is NULL */ if (scankey->sk_flags & SK_ISNULL) /* key is NULL */
{ {
if (isNull) if (isNull)