kangkaisen commented on a change in pull request #2319: Add Bitmap index reader
URL: https://github.com/apache/incubator-doris/pull/2319#discussion_r352554321
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File path: be/src/olap/comparison_predicate.cpp
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@@ -138,6 +142,75 @@ COMPARISON_PRED_COLUMN_BLOCK_EVALUATE(LessEqualPredicate,
<=)
COMPARISON_PRED_COLUMN_BLOCK_EVALUATE(GreaterPredicate, >)
COMPARISON_PRED_COLUMN_BLOCK_EVALUATE(GreaterEqualPredicate, >=)
+#define COMPARISON_PRED_BITMAP_EVALUATE(CLASS, OP) \
+ template<class type> \
+ Status CLASS<type>::evaluate(const Schema& schema, const
vector<BitmapIndexIterator*>& iterators, uint32_t num_rows, Roaring* bitmap)
const { \
+ BitmapIndexIterator *iterator = iterators[_column_id]; \
+ if (iterator == nullptr) { \
+ return Status::OK(); \
+ } \
+ std::string op = getop(OP); \
+ rowid_t ordinal_limit = iterator->bitmap_nums(); \
+ if (iterator->has_null_bitmap()) { \
+ ordinal_limit--; \
+ Roaring null_bitmap; \
+ RETURN_IF_ERROR(iterator->read_null_bitmap(&null_bitmap)); \
+ *bitmap -= null_bitmap; \
+ } \
+ Roaring roaring; \
+ bool exact_match; \
+ Status s = iterator->seek_dictionary(&_value, &exact_match); \
+ rowid_t seeked_ordinal = iterator->current_ordinal(); \
+ if (op.compare("==") == 0) { \
Review comment:
done.
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