Create the system catalog infrastructure needed for KNNGIST.

[postgresql] / src / include / nodes / relation.h

diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h
index 677134dcec9e1443bef255eab7a5679fa7ca1e6c..785acc955ad652254c547d015715ec6ac1841925 100644 (file)
--- a/src/include/nodes/relation.h
+++ b/src/include/nodes/relation.h
@@ -469,6 +469,7 @@ typedef struct IndexOptInfo
 
        bool            predOK;                 /* true if predicate matches query */
        bool            unique;                 /* true if a unique index */
+       bool            amcanorderbyop; /* does AM support order by operator result? */
        bool            amoptionalkey;  /* can query omit key for the first column? */
        bool            amsearchnulls;  /* can AM search for NULL/NOT NULL entries? */
        bool            amhasgettuple;  /* does AM have amgettuple interface? */