Changeset: ee1c952516c8 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=ee1c952516c8
Modified Files:
gdk/gdk_batop.c
Branch: default
Log Message:
In BATslice, use memcpy when we can for copying a BAT.
diffs (25 lines):
diff --git a/gdk/gdk_batop.c b/gdk/gdk_batop.c
--- a/gdk/gdk_batop.c
+++ b/gdk/gdk_batop.c
@@ -812,7 +812,20 @@ BATslice(BAT *b, BUN l, BUN h)
if (bn == NULL) {
return bn;
}
- if (BAThdense(b) && b->ttype) {
+ if ((bn->htype == TYPE_void || !bn->hvarsized) &&
+ BATatoms[bn->htype].atomPut == NULL &&
+ BATatoms[bn->htype].atomFix == NULL &&
+ (bn->ttype == TYPE_void || !bn->tvarsized) &&
+ BATatoms[bn->ttype].atomPut == NULL &&
+ BATatoms[bn->ttype].atomFix == NULL) {
+ if (bn->htype)
+ memcpy(Hloc(bn, BUNfirst(bn)), Hloc(b, p),
+ (q - p) * Hsize(bn));
+ if (bn->ttype)
+ memcpy(Tloc(bn, BUNfirst(bn)), Tloc(b, p),
+ (q - p) * Tsize(bn));
+ BATsetcount(bn, h - l);
+ } else if (BAThdense(b) && b->ttype) {
for (; p < q; p++) {
bunfastins(bn, NULL, BUNtail(bi, p));
}
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