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information_schema.DISTRIBUTED_DATABASES WHERE database_name = 'db'', args: '[]')\nExecuting query (query: 'CREATE TEMPORARY TABLE temp AS SELECT * FROM (SELECT * FROM t) LIMIT 0', args: '[]')\nExecuting query (query: 'SET SESSION profile_for_debug=1', args: '[]')\nExecuting query (query: 'PROFILE INSERT INTO temp SELECT * FROM (SELECT * FROM t)', args: '[]')\nProfiling result:\n{\n \"plan_warnings\": {\n},\n \"execution_warnings\": {\n},\n \"mpl_path\":\"\\/var\\/lib\\/memsql\\/e93fcb5b-e2a7-4a36-8cbb-7f8308dca4c8\\/plancache\\/214\\/InsertSelect_profile_temp__et_al_214f693b89df494e49df2e5e45f86b757d154249453952272a0e4a45c0b4699e_06bd906a6e6389b1\",\n \"profile\":[\n {\n \"executor\":\"Gather\",\n \"keyId\":4295163904,\n \"partitions\":\"all\",\n \"est_rows\":\"1000000\",\n \"est_rows_source\":\"JOIN\",\n \"query\":\"INSERT INTO `db_0`.`temp` (`temp`.`a`, `temp`.`b`, `temp`.`t`)SELECT STRAIGHT_JOIN `unaliased subselect`.`a` AS `a`, `unaliased subselect`.`b` AS `b`, `unaliased 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t)\",\n \"total_runtime_ms\":\"340\",\n \"agg_node\":\"127.0.0.1\",\n \"text_profile\":\"Gather partitions:all est_rows:1,000,000 alias:remote_0 parallelism_level:partition actual_rows: 1,000,000 exec_time: 0ms\\nInsertInto db.temp [`unaliased subselect`.a, `unaliased subselect`.b, `unaliased subselect`.t] local:yes est_rows:1,000,000 actual_rows: 1,000,000 exec_time: 66ms start_time: [00:00:00.014, 00:00:00.015] Segment Count: 0 Segment Sort: 0ms Dup Check: 0ms Segment Compress: 0ms Auto Stats: 0ms\\nColumnStoreScan db.t AS `unaliased subselect`, KEY __UNORDERED () USING CLUSTERED COLUMNSTORE table_type:sharded_columnstore est_table_rows:1,000,000 est_filtered:1,000,000 actual_rows: 1,000,000 exec_time: 44ms start_time: [00:00:00.012, 00:00:00.013] memory_usage: 1,048.576050 KB segments_scanned: 0 segments_skipped: 0 segments_fully_contained: 0 columngroup_read_rows: 0 columnstore_read_rows: 1,000,000\\nCompile Total Time: 10ms\\n\",\n \"compile_time_stats\":{\n \"mbc_emission\":\"1\",\n \"create_mbc_context\":\"0\",\n \"optimizer_query_rewrites\":\"0\",\n \"optimizer_stats_analyze\":\"0\",\n \"optimizer_stats_other\":\"0\",\n \"optimizer_setting_up_subselect\":\"0\",\n \"optimizer_distributed_optimizations\":\"0\",\n \"optimizer_enumerate_temporary_tables\":\"0\",\n \"optimizer_singlebox_optimizations_agg\":\"0\",\n \"optimizer_stats_autostats\":\"0\",\n \"optimizer_dstree_rewrites\":\"0\",\n \"generating_query_mpl\":\"0\",\n \"generating_user_function_mpl\":\"0\",\n \"unknown\":\"6\",\n \"total\":\"10\"\n },\n \"optimizer_optree_memory\":\"39192\",\n \"optimizer_dstree_memory\":\"26136\"\n },\n \"debug_info\":{\n \"autostats_cache\":[\n {\n \"db\":\"db\",\n \"table\":\"t\",\n \"rowcount\":\"1000000\",\n \"columns\":[\n {\n \"column_name\":\"a\",\n \"null_count\":\"0\",\n \"cardinality\":\"0\",\n \"current\":\"0\"\n },\n {\n \"column_name\":\"b\",\n \"null_count\":\"0\",\n \"cardinality\":\"0\",\n \"current\":\"0\"\n },\n {\n \"column_name\":\"t\",\n \"null_count\":\"0\",\n \"cardinality\":\"0\",\n \"current\":\"0\"\n }\n ]\n }\n ],\n \"ddl\":[\n \"CREATE DATABASE `db` PARTITIONS 8\",\n \"USING `db` CREATE TABLE `t` (\\n `a` bigint(20) NOT NULL,\\n `b` double DEFAULT NULL,\\n `t` text CHARACTER SET utf8 COLLATE utf8_general_ci,\\n UNIQUE KEY `PRIMARY` (`a`) USING HASH,\\n SHARD KEY `__SHARDKEY` (`a`),\\n KEY `__UNORDERED` () USING CLUSTERED COLUMNSTORE\\n) AUTOSTATS_CARDINALITY_MODE=INCREMENTAL AUTOSTATS_HISTOGRAM_MODE=CREATE AUTOSTATS_SAMPLING=ON SQL_MODE='STRICT_ALL_TABLES'\",\n \"USING `db` CREATE TEMPORARY TABLE `temp` (\\n `a` bigint(20) DEFAULT NULL,\\n `b` double DEFAULT NULL,\\n `t` text CHARACTER SET utf8 COLLATE utf8_general_ci,\\n KEY `__UNORDERED` () USING CLUSTERED COLUMNSTORE\\n , SHARD KEY () \\n) SQL_MODE='STRICT_ALL_TABLES'\"\n],\n \"variables\":{\"as_aggregator\": 1, \"as_leaf\": 0, \"batch_external_functions\": 0, \"binary_serialization\": 1, \"clamp_histogram_date_estimates\": 2, \"client_found_rows\": 0, \"collation_server\": 2, \"datetime_precision_mode\": 0, \"default_columnstore_table_lock_threshold\": 0, \"default_spill_dependent_outputters\": 0, \"disable_histogram_estimation\": 0, \"disable_remove_redundant_gby_rewrite\": 3, \"disable_sampling_estimation\": 0, \"disable_sampling_estimation_with_histograms\": 2, \"disable_subquery_merge_with_straight_joins\": 2, \"display_full_estimation_stats\": 0, \"distributed_optimizer_broadcast_mult\": 0, \"distributed_optimizer_estimated_restricted_search_cost_bound\": 125, \"distributed_optimizer_max_join_size\": 22, \"distributed_optimizer_min_join_size_run_initial_heuristics\": 16, \"distributed_optimizer_nodes\": 0, \"distributed_optimizer_old_selectivity_table_threshold\": 22, \"distributed_optimizer_run_legacy_heuristic\": 0, \"distributed_optimizer_selectivity_fallback_threshold\": 50000000, \"distributed_optimizer_unrestricted_search_threshold\": 22, \"enable_broadcast_left_join\": 1, \"enable_histogram_to_unwrap_literals\": 2, \"enable_local_shuffle_group_by\": 1, \"enable_multipartition_queries\": 1, \"enable_skiplist_sampling_for_selectivity\": 1, \"estimate_zero_rows_when_sampling_data_is_missing\": 0, \"exclude_scalar_subselects_from_filters\": 0, \"force_bloom_filters\": 0, \"force_bushy_join_table_limit\": 18, \"force_bushy_joins\": 0, \"force_heuristic_rewrites\": 0, \"force_table_pushdown\": 0, \"hash_groupby_segment_distinct_values_threshold\": 10000, \"histogram_column_correlation\": 0.500000, \"ignore_insert_into_computed_column\": 0, \"inlist_precision_limit\": 10000, \"interpreter_mode\": 4, \"leaf_pushdown_default\": 0, \"leaf_pushdown_enable_rowcount\": 120000, \"materialize_ctes\": 1, \"max_broadcast_tree_rowcount\": 120000, \"max_subselect_aggregator_rowcount\": 120000, \"old_local_join_optimizer\": 0, \"optimize_constants\": 1, \"optimize_mpl_before_printing\": 0, \"optimize_stmt_threshold\": 50, \"optimizer_beam_width\": 10, \"optimizer_cross_join_cost\": 1.000000, \"optimizer_disable_right_join\": 0, \"optimizer_disable_subselect_to_join\": 0, \"optimizer_empty_tables_limit\": 0, \"optimizer_enable_json_text_matching\": 0, \"optimizer_enable_orderby_limit_self_join\": 0, \"optimizer_hash_join_cost\": 1.000000, \"optimizer_merge_join_cost\": 1.000000, \"optimizer_nested_join_cost\": 1.000000, \"optimizer_num_partitions\": 0, \"quadratic_rewrite_size_limit\": 200, \"query_rewrite_loop_iterations\": 1, \"reshuffle_group_by_base_cost\": 0, \"sampling_estimates_for_complex_filters\": 1, \"singlebox_optimizer_cost_based_threshold\": 18, \"sql_mode\": 4194304, \"sql_select_limit\": 1, \"subquery_merge_with_outer_joins\": 3, \"verify_fields_in_transitivity\": 2, \"cardinality_estimation_level\": 4, \"data_conversion_compatibility_level\": 4, \"debug_mode\": 0, \"default_partitions_per_leaf\": 8, \"disable_update_delete_distributed_transactions\": 0, \"enable_alias_space_trim\": 0, \"enable_spilling\": 1, \"explicit_defaults_for_timestamp\": 1, \"json_compatibility_level\": 0, \"json_extract_string_collation\": 3, \"resource_pool_statement_selector_function\": 4294967300, \"use_avx2\": 1, \"use_dstree\": 1, \"use_joincolumnstore\": 1, \"flexible_parallelism_enabled\": 1, \"resource_pool_is_auto\": 0},\n \"optimizer_stats\":[\n {\n \"version\": 2,\n \"databaseName\": \"db\",\n \"tables\": [\n {\n \"tableName\": \"t\",\n \"rowCount\": \"0\",\n \"columns\": [\n {\n \"columnName\": \"a\",\n \"nullCount\": \"0\",\n \"minValue\": \"\",\n \"maxValue\": \"\",\n \"cardinality\": \"0\",\n \"density\": \"0x0p+0\",\n \"sampleSize\": \"0\",\n \"lastUpdated\": \"0\"\n },\n {\n \"columnName\": \"b\",\n \"nullCount\": \"0\",\n \"minValue\": \"\",\n \"maxValue\": \"\",\n \"cardinality\": \"0\",\n \"density\": \"0x0p+0\",\n \"sampleSize\": \"0\",\n \"lastUpdated\": \"0\"\n },\n {\n \"columnName\": \"t\",\n \"nullCount\": \"0\",\n \"minValue\": \"\",\n \"maxValue\": \"\",\n \"cardinality\": \"0\",\n \"density\": \"0x0p+0\",\n \"sampleSize\": \"0\",\n \"lastUpdated\": \"0\"\n }\n ]\n }\n ],\n \"stats\": [\n {\n \"tableName\": \"t\",\n \"columns\": [\n {\n \"columnName\": \"a\"\n },\n {\n \"columnName\": \"b\"\n },\n {\n \"columnName\": \"t\"\n }\n ]\n }\n ]\n}\n],\n \"query_after_rewrites\":\"INSERT INTO `db`.`temp` (`temp`.`a`, `temp`.`b`, `temp`.`t`) SELECT `unaliased subselect`.`a` AS `a`, `unaliased subselect`.`b` AS `b`, `unaliased subselect`.`t` AS `t` FROM ( SELECT `t`.`a` AS `a`, `t`.`b` AS `b`, `t`.`t` AS `t` FROM `db`.`t` as `t` ) AS `unaliased subselect`\"\n }\n }\nExecuting query (query: 'SET SESSION profile_for_debug=0', args: '[]')\nExecuting query (query: 'DROP TEMPORARY TABLE temp', args: '[]')\nExecuting query (query: 'CREATE RESULT TABLE `goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` AS SELECT * FROM (SELECT * FROM t)', args: '[[]]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 7', args: '[]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 4', args: '[]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 1', args: '[]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 2', args: '[]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 5', args: '[]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 3', args: '[]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 6', args: '[]')\nExecuting query (query: 'SELECT * FROM ::`goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059` WHERE partition_id() = 0', args: '[]')\nExecuting query (query: 'DROP RESULT TABLE `goArrowResultTable_cd36a2072e7f9deaa746db7480200944_8259059`', args: '[]')\n```","shortMessageHtmlLink":"Added debug logging"}},{"before":"ed6033bab290088bd6aa4284e0cde1f155bddadf","after":null,"ref":"refs/heads/conn-attrs-readme","pushedAt":"2023-08-25T18:19:34.000Z","pushType":"branch_deletion","commitsCount":0,"pusher":{"login":"pmishchenko-ua","name":null,"path":"/pmishchenko-ua","primaryAvatarUrl":"https://avatars.githubusercontent.com/u/65538066?s=80&v=4"}},{"before":"d0c267833d7cef026ebf376e65939dd254320ffa","after":"f9a47db2a8b2a2745c5512e903506c1e14c2c3ae","ref":"refs/heads/main","pushedAt":"2023-08-25T18:19:27.000Z","pushType":"pr_merge","commitsCount":2,"pusher":{"login":"pmishchenko-ua","name":null,"path":"/pmishchenko-ua","primaryAvatarUrl":"https://avatars.githubusercontent.com/u/65538066?s=80&v=4"},"commit":{"message":"Merge pull request #9 from singlestore-labs/conn-attrs-readme\n\nAdd 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