xinyiZzz commented on a change in pull request #6917:
URL: https://github.com/apache/incubator-doris/pull/6917#discussion_r739927720
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File path: be/src/util/bitmap_value.h
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@@ -1451,6 +1451,26 @@ class BitmapValue {
}
}
+ /**
+ * Return new set with specified range (not include the range_end)
+ */
+ int64_t sub_range(const int64_t& range_start, const int64_t& range_end,
BitmapValue* ret_bitmap) {
+ int64_t count = 0;
+ for (auto it = _bitmap.begin(); it != _bitmap.end(); ++it) {
+ if (*it < range_start) {
+ continue;
+ }
+ if (*it < range_end) {
+ ret_bitmap->add(*it);
+ ++count;
+ } else {
+ break;
+ }
+ }
+ return count;
Review comment:
If range_start is greater than bitmap max, count will be equal to 0, and
finally an empty string will be output, whether to unified into "null"
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