Changeset: 51f147731e87 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/51f147731e87
Modified Files:
monetdb5/modules/mal/pp_hash.c
Branch: pp_hashjoin
Log Message:
explanation for the code
diffs (11 lines):
diff --git a/monetdb5/modules/mal/pp_hash.c b/monetdb5/modules/mal/pp_hash.c
--- a/monetdb5/modules/mal/pp_hash.c
+++ b/monetdb5/modules/mal/pp_hash.c
@@ -2092,6 +2092,7 @@ OAHASHomprobe(Client ctx, bat *PRB_oid,
oid *oid_mtd = Tloc(o, 0);
oid *slt = Tloc(s, 0);
bit *mark = Tloc(m, 0);
+ /* if the hash table contains a NULL, has_nil will actually
carry the bit_nil */
bit has_nil = false;
/* probing an empty hash table always yields FALSE; otherwise,
bit_nil for unknown */
bit empty = ht->empty?false:bit_nil;
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