Update system-query-log.md (#1967)

Author: soyeric128

docs/en/sql-reference/00-sql-reference/20-system-tables/system-query-log.md

@@ -6,16 +6,14 @@ import FunctionDescription from '@site/src/components/FunctionDescription';
 
 <FunctionDescription description="Introduced or updated: v1.2.696"/>
 
-A read-only in-memory table stores all the query logs.
-
+A read-only in-memory table stores all the query logs. For the specific fields available in the query logs, refer to the [Examples](#examples) section.
 
 ## Setting a Session Tag
 
-You can optionally assign a tag to your session, making it easier to filter logs in the log table based on the assigned session tag. For example, the following assigns the tag ‘eric’ to the current session:
+You can optionally assign a tag to your session, making it easier to filter logs in the log table based on the assigned session tag. For example, the following assigns the tag `eric` to the current session:
 
 ```sql
 set session query_tag='eric';
-
 ```
 
 We can then run a query and retrieve the log from the log table using the assigned tag:
@@ -24,7 +22,6 @@ We can then run a query and retrieve the log from the log table using the assign
 show users;
 
 select query_tag, query_text from system.query_log where query_tag='eric' limit 1;
-
 ```
 
 In the returned result, you can find the record for the query, tagged as 'eric':
@@ -37,29 +34,33 @@ In the returned result, you can find the record for the query, tagged as 'eric':
 
 ## Examples
 
+The `system.query_log` table stores detailed logs of executed queries. Here's an example of what the log entry looks like:
+
 ```sql
-SELECT * FROM system.query_log LIMIT 1;
+SELECT * FROM system.query_log;
+```
 
--[ RECORD 1 ]-----------------------------------
-                log_type: 1
-           log_type_name: Start
+```sql
+...
+-[ RECORD 10 ]-----------------------------------
+                log_type: 2
+           log_type_name: Finish
             handler_type: HTTPQuery
                tenant_id: default
               cluster_id: default
-                 node_id: zv3rra2vO7f9WUgqIu8WH
+                 node_id: bwElPLZxWt0F8LOFAqsIL2
                 sql_user: root
           sql_user_quota: UserQuota<cpu:0,mem:0,store:0>
      sql_user_privileges: GRANT ALL ON *.*, ROLES: ["account_admin"]
-               query_tag: 
-                query_id: 7e03cd7a-36fa-463d-afe4-041da4092c45
+                query_id: 1957f343-564e-471f-b036-a10ff853357e
               query_kind: Other
-              query_text: SHOW TABLES
-              query_hash: 9c36cac1372650b703400c60dd29042c
-query_parameterized_hash: 9c36cac1372650b703400c60dd29042c
-              event_date: 2024-07-30
-              event_time: 2024-07-30 04:27:29.296596
-        query_start_time: 2024-07-30 04:27:29.252170
-       query_duration_ms: 0
+              query_text: SHOW USERS
+              query_hash: 63c65a28ae257d780e93a8a627190775
+query_parameterized_hash: 63c65a28ae257d780e93a8a627190775
+              event_date: 2025-04-27
+              event_time: 2025-04-27 16:59:31.681036
+        query_start_time: 2025-04-27 16:59:31.671825
+       query_duration_ms: 9
 query_queued_duration_ms: 0
         current_database: default
                databases:
@@ -76,27 +77,29 @@ query_queued_duration_ms: 0
   group_by_spilled_bytes: 0
         written_io_bytes: 0
 written_io_bytes_cost_ms: 0
-               scan_rows: 0
-              scan_bytes: 0
+               scan_rows: 1
+              scan_bytes: 164
            scan_io_bytes: 0
    scan_io_bytes_cost_ms: 0
          scan_partitions: 0
         total_partitions: 0
-             result_rows: 0
-            result_bytes: 0
+             result_rows: 1
+            result_bytes: 146
                cpu_usage: 8
             memory_usage: 0
   bytes_from_remote_disk: 0
    bytes_from_local_disk: 0
        bytes_from_memory: 0
              client_info:
           client_address: 192.168.65.1
-              user_agent: bendsql/0.19.2-1e338e1
+              user_agent: bendsql/0.24.1-f1f7de0
           exception_code: 0
           exception_text:
              stack_trace:
-          server_version: v1.2.583-nightly-03c09a571d(rust-1.81.0-nightly-2024-07-25T22:12:15.571684726Z)
-        session_settings: acquire_lock_timeout=30, aggregate_spilling_bytes_threshold_per_proc=0, aggregate_spilling_memory_ratio=60, auto_compaction_imperfect_blocks_threshold=25, collation=utf8, compact_max_block_selection=10000, cost_factor_aggregate_per_row=5, cost_factor_hash_table_per_row=10, cost_factor_network_per_row=50, create_query_flight_client_with_current_rt=1, data_retention_time_in_days=1, ddl_column_type_nullable=1, disable_join_reorder=0, disable_merge_into_join_reorder=0, disable_variant_check=0, efficiently_memory_group_by=0, enable_aggregating_index_scan=1, enable_auto_fix_missing_bloom_index=0, enable_bloom_runtime_filter=1, enable_cbo=1, enable_clickhouse_handler=0, enable_compact_after_write=1, enable_distributed_compact=0, enable_distributed_copy_into=1, enable_distributed_merge_into=1, enable_distributed_recluster=0, enable_distributed_replace_into=0, enable_dphyp=1, enable_dst_hour_fix=0, enable_experimental_aggregate_hashtable=1, enable_experimental_merge_into=1, enable_experimental_queries_executor=0, enable_experimental_rbac_check=1, enable_geo_create_table=0, enable_hive_parquet_predict_pushdown=1, enable_loser_tree_merge_sort=0, enable_merge_into_row_fetch=1, enable_new_copy_for_text_formats=1, enable_parquet_page_index=1, enable_parquet_prewhere=0, enable_parquet_rowgroup_pruning=1, enable_query_result_cache=0, enable_refresh_aggregating_index_after_write=1, enable_refresh_virtual_column_after_write=1, enable_replace_into_partitioning=1, enable_strict_datetime_parser=1, enable_table_lock=1, enforce_broadcast_join=0, external_server_connect_timeout_secs=10, external_server_request_batch_rows=65536, external_server_request_timeout_secs=180, flight_client_timeout=60, format_null_as_str=1, geometry_output_format=GeoJSON, group_by_shuffle_mode=before_merge, group_by_two_level_threshold=20000, hide_options_in_show_create_table=1, hive_parquet_chunk_size=16384, http_handler_result_timeout_secs=60, idle_transaction_timeout_secs=14400, inlist_to_join_threshold=1024, input_read_buffer_size=4194304, join_spilling_buffer_threshold_per_proc_mb=1024, join_spilling_bytes_threshold_per_proc=0, join_spilling_memory_ratio=60, join_spilling_partition_bits=4, lazy_read_threshold=1000, load_file_metadata_expire_hours=24, max_block_size=65536, max_cte_recursive_depth=1000, max_execute_time_in_seconds=0, max_inlist_to_or=3, max_memory_usage=6577507532, max_result_rows=0, max_set_operator_count=18446744073709551615, max_storage_io_requests=48, max_threads=8, max_vacuum_temp_files_after_query=18446744073709551615, numeric_cast_option=rounding, parquet_fast_read_bytes=16777216, parquet_max_block_size=8192, parse_datetime_ignore_remainder=1, prefer_broadcast_join=1, purge_duplicated_files_in_copy=0, query_flight_compression=LZ4, query_result_cache_allow_inconsistent=0, query_result_cache_max_bytes=1048576, query_result_cache_min_execute_secs=1, query_result_cache_ttl_secs=300, quoted_ident_case_sensitive=1, recluster_block_size=2104802410, recluster_timeout_secs=43200, replace_into_bloom_pruning_max_column_number=4, replace_into_shuffle_strategy=0, sandbox_tenant=, script_max_steps=10000, sort_spilling_batch_bytes=8388608, sort_spilling_bytes_threshold_per_proc=0, sort_spilling_memory_ratio=60, sql_dialect=PostgreSQL, statement_queued_timeout_in_seconds=0, storage_fetch_part_num=2, storage_io_max_page_bytes_for_read=524288, storage_io_min_bytes_for_seek=48, storage_read_buffer_size=1048576, table_lock_expire_secs=20, timezone=UTC, unquoted_ident_case_sensitive=0, use_parquet2=0, scope: SESSION
+          server_version: v1.2.731-nightly-eb671da5e5(rust-1.88.0-nightly-2025-04-27T06:06:12.942159732Z)
+               query_tag: eric
+        session_settings: acquire_lock_timeout=30, aggregate_spilling_memory_ratio=60, auto_compaction_imperfect_blocks_threshold=25, auto_compaction_segments_limit=3, collation=utf8, compact_max_block_selection=10000, copy_dedup_full_path_by_default=0, cost_factor_aggregate_per_row=5, cost_factor_hash_table_per_row=10, cost_factor_network_per_row=50, create_query_flight_client_with_current_rt=1, data_retention_time_in_days=1, ddl_column_type_nullable=1, default_order_by_null=nulls_last, disable_join_reorder=0, disable_variant_check=0, dynamic_sample_time_budget_ms=0, efficiently_memory_group_by=0, enable_aggregating_index_scan=1, enable_analyze_histogram=0, enable_auto_fix_missing_bloom_index=0, enable_auto_vacuum=0, enable_block_stream_write=0, enable_bloom_runtime_filter=1, enable_cbo=1, enable_clickhouse_handler=0, enable_compact_after_multi_table_insert=0, enable_compact_after_write=1, enable_dio=1, enable_distributed_compact=0, enable_distributed_copy_into=1, enable_distributed_merge_into=1, enable_distributed_pruning=1, enable_distributed_recluster=0, enable_distributed_replace_into=0, enable_dphyp=1, enable_dst_hour_fix=0, enable_expand_roles=1, enable_experimental_aggregate_hashtable=1, enable_experimental_merge_into=1, enable_experimental_procedure=0, enable_experimental_queries_executor=0, enable_experimental_rbac_check=1, enable_geo_create_table=0, enable_hive_parquet_predict_pushdown=1, enable_last_snapshot_location_hint=1, enable_loser_tree_merge_sort=1, enable_materialized_cte=1, enable_merge_into_row_fetch=1, enable_new_copy_for_text_formats=1, enable_optimizer_trace=0, enable_parallel_multi_merge_sort=1, enable_parquet_page_index=1, enable_parquet_prewhere=0, enable_parquet_rowgroup_pruning=1, enable_planner_cache=1, enable_prune_cache=1, enable_prune_pipeline=1, enable_query_result_cache=0, enable_refresh_aggregating_index_after_write=1, enable_refresh_virtual_column_after_write=1, enable_replace_into_partitioning=1, enable_strict_datetime_parser=1, enable_table_lock=1, enforce_broadcast_join=0, enforce_shuffle_join=0, error_on_nondeterministic_update=1, external_server_connect_timeout_secs=10, external_server_request_batch_rows=65536, external_server_request_max_threads=256, external_server_request_retry_times=8, external_server_request_timeout_secs=180, flight_client_timeout=60, flight_connection_max_retry_times=0, flight_connection_retry_interval=1, force_aggregate_data_spill=0, force_join_data_spill=0, force_sort_data_spill=0, force_window_data_spill=0, format_null_as_str=1, geometry_output_format=GeoJSON, group_by_shuffle_mode=before_merge, group_by_two_level_threshold=20000, hide_options_in_show_create_table=1, hilbert_clustering_min_bytes=107374182400, hilbert_num_range_ids=1000, hilbert_sample_size_per_block=1000, hive_parquet_chunk_size=16384, http_handler_result_timeout_secs=60, idle_transaction_timeout_secs=14400, inlist_to_join_threshold=1024, input_read_buffer_size=4194304, join_spilling_buffer_threshold_per_proc_mb=512, join_spilling_memory_ratio=60, join_spilling_partition_bits=4, lazy_read_threshold=1000, load_file_metadata_expire_hours=24, max_block_size=65536, max_cte_recursive_depth=1000, max_execute_time_in_seconds=0, max_inlist_to_or=3, max_memory_usage=6574653440, max_push_down_limit=10000, max_query_memory_usage=0, max_result_rows=0, max_set_operator_count=18446744073709551615, max_spill_io_requests=48, max_storage_io_requests=48, max_threads=8, max_vacuum_temp_files_after_query=18446744073709551615, network_policy=, numeric_cast_option=rounding, optimizer_skip_list=, parquet_fast_read_bytes=16777216, parquet_max_block_size=8192, parse_datetime_ignore_remainder=1, persist_materialized_cte=0, prefer_broadcast_join=1, purge_duplicated_files_in_copy=0, query_flight_compression=LZ4, query_out_of_memory_behavior=throw, query_result_cache_allow_inconsistent=0, query_result_cache_max_bytes=1048576, query_result_cache_min_execute_secs=1, query_result_cache_ttl_secs=300, query_tag=eric, quoted_ident_case_sensitive=1, random_function_seed=0, recluster_block_size=1972396032, recluster_timeout_secs=43200, replace_into_bloom_pruning_max_column_number=4, replace_into_shuffle_strategy=0, sandbox_tenant=, script_max_steps=10000, short_sql_max_length=128, sort_spilling_batch_bytes=8388608, sort_spilling_memory_ratio=60, spilling_file_format=parquet, spilling_to_disk_vacuum_unknown_temp_dirs_limit=18446744073709551615, sql_dialect=PostgreSQL, statement_queue_ttl_in_seconds=15, statement_queued_timeout_in_seconds=0, storage_fetch_part_num=2, storage_io_max_page_bytes_for_read=524288, storage_io_min_bytes_for_seek=48, storage_read_buffer_size=1048576, stream_consume_batch_size_hint=0, table_lock_expire_secs=30, timezone=UTC, unquoted_ident_case_sensitive=0, use_parquet2=0, use_vacuum2_to_purge_transient_table_data=0, warehouse=, window_num_partitions=256, window_partition_sort_block_size=65536, window_partition_spilling_memory_ratio=60, window_partition_spilling_to_disk_bytes_limit=0, window_spill_unit_size_mb=256, scope: SESSION
                    extra:
-             has_profile: false
+             has_profile: true
+       peek_memory_usage: {"bwElPLZxWt0F8LOFAqsIL2":576850}
 ```