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Commit1c854eb

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Add BTOPTIONS_PROC comments to nbtree.h.
Add comments explaining the purpose of B-Tree support function 5 tonbtree.h for consistency (all other support functions were alreadydescribed by nearby comments).This fixes what was arguably an oversight in commit911e702, or infollow-up doc commit15cb2bd (which documented support function 5 inbtree.sgml, but neglected to add anything to nbtree.h).
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‎src/include/access/nbtree.h

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@@ -702,6 +702,11 @@ BTreeTupleGetMaxHeapTID(IndexTuple itup)
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*To facilitate B-Tree deduplication, an operator class may choose to
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*offer a forth amproc procedure (BTEQUALIMAGE_PROC). For full details,
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*see doc/src/sgml/btree.sgml.
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*
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*An operator class may choose to offer a fifth amproc procedure
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*(BTOPTIONS_PROC). These procedures define a set of user-visible
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*parameters that can be used to control operator class behavior. None of
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*the built-in B-Tree operator classes currently register an "options" proc.
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*/
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#defineBTORDER_PROC1

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