Changeset: 1f6f1efd4f72 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=1f6f1efd4f72
Modified Files:
gdk/gdk_hash.c
Branch: partioned-hash
Log Message:
Unpersist hash when it is getting changed.
diffs (28 lines):
diff --git a/gdk/gdk_hash.c b/gdk/gdk_hash.c
--- a/gdk/gdk_hash.c
+++ b/gdk/gdk_hash.c
@@ -73,6 +73,24 @@ HASHins(BAT *b, BUN i, const void *v)
HASHdestroy(b);
} else {
BUN c = ATOMhash(b->ttype, v) & h->mask;
+ if (((size_t *) h->heap->base)[0] & 1 << 24) {
+ int fd;
+ if ((fd = GDKfdlocate(h->heap->farmid,
h->heap->filename, "rb+", NULL)) >= 0) {
+ ((size_t *) h->heap->base)[0] &= ~(1 <<
24);
+ if (write(fd, h->heap->base,
SIZEOF_SIZE_T) < 0)
+ perror("write hash");
+ if (!(GDKdebug & FORCEMITOMASK)) {
+#if defined(NATIVE_WIN32)
+ _commit(fd);
+#elif defined(HAVE_FDATASYNC)
+ fdatasync(fd);
+#elif defined(HAVE_FSYNC)
+ fsync(fd);
+#endif
+ }
+ close(fd);
+ }
+ }
switch (h->width) {
case BUN2:
((BUN2type *)h->Link)[i] = ((BUN2type
*)h->Hash)[(h->pieces - 1) * (h->mask + 1) + c];
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