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merge

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This commit is contained in:
tulin@dl145b.mysql.com
2005-07-19 21:56:10 +02:00
parent 519c5564b1 e3af1b6ec6
commit a6c21a0791
195 changed files with 6600 additions and 2377 deletions
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9
sql/sql_bitmap.h
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@@ -51,6 +51,14 @@ public:
bitmap_init(&map2, (uint32 *)&map2buff, sizeof(ulonglong)*8, 0);
bitmap_intersect(&map, &map2);
}
/* Use highest bit for all bits above sizeof(ulonglong)*8. */
void intersect_extended(ulonglong map2buff)
{
intersect(map2buff);
if (map.bitmap_size > sizeof(ulonglong))
bitmap_set_above(&map, sizeof(ulonglong),
test(map2buff & (LL(1) << (sizeof(ulonglong) * 8 - 1))));
}
void subtract(Bitmap& map2) { bitmap_subtract(&map, &map2.map); }
void merge(Bitmap& map2) { bitmap_union(&map, &map2.map); }
my_bool is_set(uint n) const { return bitmap_is_set(&map, n); }
@@ -116,6 +124,7 @@ public:
void clear_all() { map=(ulonglong)0; }
void intersect(Bitmap<64>& map2) { map&= map2.map; }
void intersect(ulonglong map2) { map&= map2; }
void intersect_extended(ulonglong map2) { map&= map2; }
void subtract(Bitmap<64>& map2) { map&= ~map2.map; }
void merge(Bitmap<64>& map2) { map|= map2.map; }
my_bool is_set(uint n) const { return test(map & (((ulonglong)1) << n)); }