MonetDB: Jul2021 - Use parent order index.

[Sjoerd Mullender]

Changeset: ccd4dcd1fef3 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/ccd4dcd1fef3
Modified Files:
        gdk/gdk_batop.c
Branch: Jul2021
Log Message:

Use parent order index.


diffs (23 lines):

diff --git a/gdk/gdk_batop.c b/gdk/gdk_batop.c
--- a/gdk/gdk_batop.c
+++ b/gdk/gdk_batop.c
@@ -2328,8 +2328,7 @@ BATsort(BAT **sorted, BAT **order, BAT *
        }
        if (VIEWtparent(b)) {
                pb = BBP_cache(VIEWtparent(b));
-               if (/* DISABLES CODE */ (1) ||
-                   b->tbaseoff != pb->tbaseoff ||
+               if (b->tbaseoff != pb->tbaseoff ||
                    BATcount(b) != BATcount(pb) ||
                    b->hseqbase != pb->hseqbase ||
                    BATatoms[b->ttype].atomCmp != BATatoms[pb->ttype].atomCmp)
@@ -2349,6 +2348,9 @@ BATsort(BAT **sorted, BAT **order, BAT *
                                HEAPincref(oidxh);
                        }
                        mkorderidx = false;
+               } else if (b != pb) {
+                       /* don't build orderidx on parent bat */
+                       mkorderidx = false;
                } else if (mkorderidx) {
                        /* keep lock when going to create */
                        orderidxlock = true;
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