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Update comment.

The _bt_tuplecompare() function mentioned in comment hasn't existed for a
long time.

Peter Geoghegan
This commit is contained in:
Heikki Linnakangas 2014-10-22 15:39:28 +03:00
parent 284590e416
commit 98b3743779

View File

@ -3176,9 +3176,8 @@ comparetup_index_btree(const SortTuple *a, const SortTuple *b,
Tuplesortstate *state)
{
/*
* This is similar to _bt_tuplecompare(), but we have already done the
* index_getattr calls for the first column, and we need to keep track of
* whether any null fields are present. Also see the special treatment
* This is similar to comparetup_heap(), but expects index tuples. There
* is also special handling for enforcing uniqueness, and special treatment
* for equal keys at the end.
*/
ScanKey scanKey = state->indexScanKey;