yiguolei commented on code in PR #15917:
URL: https://github.com/apache/doris/pull/15917#discussion_r1115300380
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be/src/olap/rowset/segment_v2/segment_iterator.cpp:
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@@ -1505,14 +1562,16 @@ Status SegmentIterator::next_batch(vectorized::Block*
block) {
_current_batch_rows_read = 0;
uint32_t nrows_read_limit = _opts.block_row_max;
- if (UNLIKELY(_estimate_row_size)) {
- // read 100 rows to estimate average row size
+ if (UNLIKELY(_opts.stats->blocks_load == 0)) {
Review Comment:
Not depend on the stats, add another variable to indicate that this is first
read.
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