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nbtree: Remove obsolete _bt_pgaddtup() comments.

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Remove comments that are a throw back to a time when nbtree cared about
write-ordering dependencies.  The comments are similar to those removed
by commit 9ee7414e, among others.
This commit is contained in:
Peter Geoghegan 2020-03-19 14:56:56 -07:00
parent 2fd6a44ad5
commit b27e1b3418
1 changed files with 0 additions and 5 deletions
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5
src/backend/access/nbtree/nbtinsert.c
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@ -2531,11 +2531,6 @@ _bt_newroot(Relation rel, Buffer lbuf, Buffer rbuf)
/* /*
* _bt_pgaddtup() -- add a data item to a particular page during split. * _bt_pgaddtup() -- add a data item to a particular page during split.
* *
* This routine adds the tuple to the page as requested. It does
* not affect pin/lock status, but you'd better have a write lock
* and pin on the target buffer! Don't forget to write and release
* the buffer afterwards, either.
*
* The difference between this routine and a bare PageAddItem call is * The difference between this routine and a bare PageAddItem call is
* that this code knows that the leftmost data item on an internal * that this code knows that the leftmost data item on an internal
* btree page has a key that must be treated as minus infinity. * btree page has a key that must be treated as minus infinity.