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fix mysqltest

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This commit is contained in:
ChangerR
2024-11-26 07:18:08 +00:00
committed by ob-robot
parent 0579303529
commit 8a67280deb
1 changed files with 1 additions and 1 deletions
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2
src/share/stat/ob_incremental_stat_estimator.cpp
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@ -649,7 +649,7 @@ int ObIncrementalStatEstimator::derive_global_col_stat(ObExecContext &ctx,
}
}
if (OB_SUCC(ret)) {
int64_t num_distinct = ObOptSelectivity::scale_distinct(total_row_cnt, sample_size, ndv_eval.get());
int64_t num_distinct = ndv_eval.get() == 0 ? 0 : ObOptSelectivity::scale_distinct(total_row_cnt, sample_size, ndv_eval.get());
col_stat->set_table_id(param.column_params_.at(i).need_basic_stat() ? param.table_id_ : OB_INVALID_ID);
col_stat->set_partition_id(partition_id);
col_stat->set_column_id(param.column_params_.at(i).column_id_);