2026-03-27 00:58:03 Reason: result differs with reference:  
2026-03-27 00:58:03 --- /home/ubuntu/actions-runner/_work/ClickHouse/ClickHouse/tests/queries/0_stateless/03668_shard_join_in_reverse_order.reference	2026-03-27 00:18:25.522781034 +0100
2026-03-27 00:58:03 +++ /home/ubuntu/actions-runner/_work/ClickHouse/ClickHouse/tests/queries/0_stateless/03668_shard_join_in_reverse_order.4894.stdout	2026-03-27 00:58:03.064320030 +0100
2026-03-27 00:58:03 @@ -1,17 +1,17 @@
2026-03-27 00:58:03  -- { echo ON }
2026-03-27 00:58:03  
2026-03-27 00:58:03  DROP TABLE IF EXISTS t0;
2026-03-27 00:58:03  CREATE TABLE t0 (c0 Int) ENGINE = MergeTree() ORDER BY (c0 DESC) SETTINGS index_granularity = 1, allow_experimental_reverse_key = 1;
2026-03-27 00:58:03  INSERT INTO TABLE t0 (c0) SELECT number FROM numbers(10);
2026-03-27 00:58:03  SELECT c0 FROM t0 JOIN t0 tx USING (c0) ORDER BY c0 SETTINGS query_plan_join_shard_by_pk_ranges = 1, max_threads = 2, query_plan_read_in_order_through_join = 1;
2026-03-27 00:58:03 -0
2026-03-27 00:58:03 -1
2026-03-27 00:58:03 -2
2026-03-27 00:58:03 -3
2026-03-27 00:58:03  4
2026-03-27 00:58:03 -5
2026-03-27 00:58:03 -6
2026-03-27 00:58:03 -7
2026-03-27 00:58:03 -8
2026-03-27 00:58:03 +3
2026-03-27 00:58:03 +2
2026-03-27 00:58:03 +1
2026-03-27 00:58:03 +0
2026-03-27 00:58:03  9
2026-03-27 00:58:03 +8
2026-03-27 00:58:03 +7
2026-03-27 00:58:03 +6
2026-03-27 00:58:03 +5
2026-03-27 00:58:03  DROP TABLE t0;
2026-03-27 00:58:03 
2026-03-27 00:58:03 
2026-03-27 00:58:03 Settings used in the test: --max_insert_threads 1 --group_by_two_level_threshold 365720 --group_by_two_level_threshold_bytes 50000000 --distributed_aggregation_memory_efficient 1 --fsync_metadata 1 --output_format_parallel_formatting 1 --input_format_parallel_parsing 1 --min_chunk_bytes_for_parallel_parsing 6920655 --max_read_buffer_size 610304 --prefer_localhost_replica 1 --max_block_size 20868 --max_joined_block_size_rows 73840 --joined_block_split_single_row 1 --join_output_by_rowlist_perkey_rows_threshold 863 --max_threads 2 --optimize_append_index 1 --use_hedged_requests 1 --optimize_if_chain_to_multiif 0 --optimize_if_transform_strings_to_enum 1 --optimize_read_in_order 1 --optimize_or_like_chain 1 --optimize_substitute_columns 0 --enable_multiple_prewhere_read_steps 0 --read_in_order_two_level_merge_threshold 34 --optimize_aggregation_in_order 0 --aggregation_in_order_max_block_bytes 126511 --use_uncompressed_cache 1 --min_bytes_to_use_direct_io 7955389555 --min_bytes_to_use_mmap_io 1 --local_filesystem_read_method mmap --remote_filesystem_read_method threadpool --local_filesystem_read_prefetch 0 --filesystem_cache_segments_batch_size 1 --read_from_filesystem_cache_if_exists_otherwise_bypass_cache 0 --throw_on_error_from_cache_on_write_operations 1 --remote_filesystem_read_prefetch 1 --distributed_cache_discard_connection_if_unread_data 1 --distributed_cache_use_clients_cache_for_write 1 --distributed_cache_use_clients_cache_for_read 1 --allow_prefetched_read_pool_for_remote_filesystem 0 --filesystem_prefetch_max_memory_usage 128Mi --filesystem_prefetches_limit 0 --filesystem_prefetch_min_bytes_for_single_read_task 1Mi --filesystem_prefetch_step_marks 50 --filesystem_prefetch_step_bytes 0 --enable_filesystem_cache 1 --enable_filesystem_cache_on_write_operations 1 --compile_expressions 1 --compile_aggregate_expressions 1 --compile_sort_description 1 --merge_tree_coarse_index_granularity 8 --optimize_distinct_in_order 1 --max_bytes_before_remerge_sort 1675578952 --min_compress_block_size 717829 --max_compress_block_size 810010 --merge_tree_compact_parts_min_granules_to_multibuffer_read 28 --optimize_sorting_by_input_stream_properties 1 --http_response_buffer_size 8815192 --http_wait_end_of_query False --enable_memory_bound_merging_of_aggregation_results 1 --min_count_to_compile_expression 0 --min_count_to_compile_aggregate_expression 0 --min_count_to_compile_sort_description 0 --session_timezone America/Mazatlan --use_page_cache_for_disks_without_file_cache True --use_page_cache_for_local_disks False --use_page_cache_for_object_storage True --page_cache_inject_eviction False --merge_tree_read_split_ranges_into_intersecting_and_non_intersecting_injection_probability 0.54 --prefer_external_sort_block_bytes 100000000 --cross_join_min_rows_to_compress 100000000 --cross_join_min_bytes_to_compress 100000000 --min_external_table_block_size_bytes 1 --max_parsing_threads 1 --optimize_functions_to_subcolumns 1 --parallel_replicas_local_plan 1 --query_plan_join_swap_table auto --enable_vertical_final 1 --optimize_extract_common_expressions 1 --optimize_rewrite_array_exists_to_has True --optimize_skip_unused_shards True --optimize_trivial_approximate_count_query True --optimize_trivial_insert_select False --optimize_using_constraints False --optimize_syntax_fuse_functions True --optimize_aggregators_of_group_by_keys True --optimize_and_compare_chain True --optimize_arithmetic_operations_in_aggregate_functions True --optimize_count_from_files True --optimize_distributed_group_by_sharding_key True --optimize_empty_string_comparisons True --optimize_group_by_constant_keys True --optimize_group_by_function_keys True --optimize_injective_functions_in_group_by True --optimize_injective_functions_inside_uniq True --optimize_inverse_dictionary_lookup True --optimize_move_to_prewhere True --optimize_multiif_to_if True --optimize_normalize_count_variants True --optimize_on_insert True --optimize_redundant_functions_in_order_by True --optimize_respect_aliases True --optimize_rewrite_aggregate_function_with_if True --optimize_rewrite_regexp_functions True --optimize_rewrite_sum_if_to_count_if True --optimize_skip_unused_shards_rewrite_in True --optimize_time_filter_with_preimage True --optimize_trivial_count_query True --optimize_uniq_to_count False --optimize_use_projections True --optimize_use_implicit_projections True --optimize_use_projection_filtering True --query_plan_optimize_lazy_materialization True --query_plan_optimize_prewhere True --use_async_executor_for_materialized_views 0 --use_query_condition_cache 0 --secondary_indices_enable_bulk_filtering 1 --use_skip_indexes_if_final 0 --use_skip_indexes_on_data_read 1 --optimize_rewrite_like_perfect_affix 0 --input_format_parquet_use_native_reader_v3 1 --enable_lazy_columns_replication 0 --allow_special_serialization_kinds_in_output_formats 1 --use_skip_indexes_for_top_k 1 --use_top_k_dynamic_filtering 0 --query_plan_max_limit_for_top_k_optimization 1000 --query_plan_read_in_order_through_join 0 --read_in_order_use_virtual_row 1 --short_circuit_function_evaluation_for_nulls_threshold 0.07650156969792227 --automatic_parallel_replicas_mode 2 --temporary_files_buffer_size 1001953 --query_plan_optimize_join_order_algorithm greedy,dpsize --normalize_function_names True --enable_join_runtime_filters False --enable_parallel_blocks_marshalling True --query_plan_reuse_storage_ordering_for_window_functions True --query_plan_join_shard_by_pk_ranges False --count_distinct_optimization True --use_statistics True --use_statistics_cache True --max_bytes_before_external_sort 8345948857 --max_bytes_before_external_group_by 3202073029 --max_bytes_ratio_before_external_sort 0 --max_bytes_ratio_before_external_group_by 0 --use_skip_indexes_if_final_exact_mode 0 --enable_parallel_replicas 1 --parallel_distributed_insert_select 0 --cluster_for_parallel_replicas parallel_replicas --parallel_replicas_for_non_replicated_merge_tree 1
2026-03-27 00:58:03 
2026-03-27 00:58:03 MergeTree settings used in test: --ratio_of_defaults_for_sparse_serialization 1.0 --prefer_fetch_merged_part_size_threshold 1 --vertical_merge_algorithm_min_rows_to_activate 1 --vertical_merge_algorithm_min_columns_to_activate 100 --allow_vertical_merges_from_compact_to_wide_parts 1 --min_merge_bytes_to_use_direct_io 10737418240 --index_granularity_bytes 13428888 --merge_max_block_size 9035 --index_granularity 12722 --min_bytes_for_wide_part 794428945 --marks_compress_block_size 62376 --primary_key_compress_block_size 49935 --replace_long_file_name_to_hash 0 --max_file_name_length 128 --min_bytes_for_full_part_storage 536870912 --compact_parts_max_bytes_to_buffer 19843689 --compact_parts_max_granules_to_buffer 256 --compact_parts_merge_max_bytes_to_prefetch_part 3691863 --cache_populated_by_fetch 0 --concurrent_part_removal_threshold 100 --old_parts_lifetime 10 --prewarm_mark_cache 0 --use_const_adaptive_granularity 1 --enable_index_granularity_compression 0 --enable_block_number_column 1 --enable_block_offset_column 1 --use_primary_key_cache 0 --prewarm_primary_key_cache 1 --object_serialization_version v2 --object_shared_data_serialization_version map --object_shared_data_serialization_version_for_zero_level_parts map_with_buckets --object_shared_data_buckets_for_compact_part 28 --object_shared_data_buckets_for_wide_part 14 --dynamic_serialization_version v2 --serialization_info_version basic --string_serialization_version single_stream --nullable_serialization_version basic --enable_shared_storage_snapshot_in_query 0 --min_columns_to_activate_adaptive_write_buffer 937 --reduce_blocking_parts_sleep_ms 1274 --shared_merge_tree_outdated_parts_group_size 1 --shared_merge_tree_max_outdated_parts_to_process_at_once 9 --map_serialization_version with_buckets --map_serialization_version_for_zero_level_parts with_buckets --max_buckets_in_map 28 --map_buckets_strategy constant --map_buckets_min_avg_size 425
2026-03-27 00:58:03 
2026-03-27 00:58:03 Database: test_1tlfoquh