Fix incorrect comments for Memoize struct

Reported-by: Peter Eisentraut
Discussion: https://postgr.es/m/0635f5aa-4973-8dc2-4e4e-df9fd5778a65@enterprisedb.com
Backpatch-through: 14, where Memoize was added

diff --git a/src/include/nodes/plannodes.h b/src/include/nodes/plannodes.h
index 9ac4d9af1256fb8f283e18940169bef8f973b30b..2308c80ddee9fd69a235616cfe155d9eb8ddec87 100644 (file)
--- a/src/include/nodes/plannodes.h
+++ b/src/include/nodes/plannodes.h
@@ -806,8 +806,9 @@ typedef struct Memoize
    int         numKeys;        /* size of the two arrays below */
 
    Oid        *hashOperators;  /* hash operators for each key */
-   Oid        *collations;     /* cache keys */
-   List       *param_exprs;    /* exprs containing parameters */
+   Oid        *collations;     /* collations for each key */
+   List       *param_exprs;    /* cache keys in the form of exprs containing
+                                * parameters */
    bool        singlerow;      /* true if the cache entry should be marked as
                                 * complete after we store the first tuple in
                                 * it. */