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-rw-r--r--sql/sql_bitmap.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/sql/sql_bitmap.h b/sql/sql_bitmap.h
index 0449611e27a..558240ce19d 100644
--- a/sql/sql_bitmap.h
+++ b/sql/sql_bitmap.h
@@ -95,6 +95,10 @@ public:
DBUG_ASSERT(sizeof(buffer) >= 4);
return (ulonglong) uint4korr(buffer);
}
+ uint bits_set()
+ {
+ return bitmap_bits_set(&map);
+ }
};
/* An iterator to quickly walk over bits in unlonglong bitmap. */
@@ -164,6 +168,17 @@ public:
public:
Iterator(Bitmap<64> &bmp) : Table_map_iterator(bmp.map) {}
};
+ uint bits_set()
+ {
+ //TODO: use my_count_bits()
+ uint res= 0, i= 0;
+ for (; i < 64 ; i++)
+ {
+ if (map & ((ulonglong)1<<i))
+ res++;
+ }
+ return res;
+ }
};