Gabriel39 commented on code in PR #8438:
URL: https://github.com/apache/incubator-doris/pull/8438#discussion_r848534364
##########
be/src/olap/rowset/beta_rowset_writer.cpp:
##########
@@ -88,6 +88,75 @@ OLAPStatus BetaRowsetWriter::init(const RowsetWriterContext&
rowset_writer_conte
return OLAP_SUCCESS;
}
+OLAPStatus BetaRowsetWriter::add_block(const vectorized::Block* block) {
+ if (UNLIKELY(_segment_writer == nullptr)) {
+ RETURN_NOT_OK(_create_segment_writer(&_segment_writer));
+ }
+ size_t block_size_in_bytes = block->bytes();
+ size_t block_row_num = block->rows();
+ if (UNLIKELY(block_row_num == 0)) {
+ return OLAP_SUCCESS;
+ }
+ size_t row_avg_size_in_bytes = std::max((size_t)1, block_size_in_bytes /
block_row_num);
+ size_t row_offset = 0;
+ int64_t segment_capacity_in_bytes = 0;
+ int64_t segment_capacity_in_rows = 0;
+ auto refresh_segment_capacity = [&]() {
+ segment_capacity_in_bytes =
+ (int64_t)MAX_SEGMENT_SIZE -
(int64_t)_segment_writer->estimate_segment_size();
+ segment_capacity_in_rows = (int64_t)_context.max_rows_per_segment -
+
(int64_t)_segment_writer->num_rows_written();
+ };
+
+ refresh_segment_capacity();
+ if (UNLIKELY(segment_capacity_in_bytes < row_avg_size_in_bytes ||
+ segment_capacity_in_rows <= 0)) {
+ // no space for another signle row, need flush now
Review Comment:
```suggestion
// no space for another single row, need flush now
```
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