Queries to view Alert Log content And Alert Location

使用SQL查询Oracle数据库警报日志
介绍如何使用SQL查询Oracle 11g的X$DBGALERTEXT表来访问数据库警报日志,以及如何通过X$DBGDIREXT接口查找诊断目录中的alert日志路径。

Quering alert log using SQL query

Oracle 11g开始,提供了X$DBGALERTEXT,可以用来使用sql访问数据库alert日志,在不方便直接访问服务器时,提供了另外的方式访问数据库alert日志。X$DBGALERTEXT的定义如下:

SYS> desc X$DBGALERTEXT
 Name                                            Null?    Type
 ----------------------------------------------------------------------------------- -------- --------------------------------------------------------
 ADDR                                                 RAW(8)
 INDX                                                 NUMBER
 INST_ID                                              NUMBER
 ORIGINATING_TIMESTAMP                                        TIMESTAMP(3) WITH TIME ZONE
 NORMALIZED_TIMESTAMP                                         TIMESTAMP(3) WITH TIME ZONE
 ORGANIZATION_ID                                          VARCHAR2(64)
 COMPONENT_ID                                             VARCHAR2(64)
 HOST_ID                                              VARCHAR2(64)
 HOST_ADDRESS                                             VARCHAR2(46)
 MESSAGE_TYPE                                             NUMBER
 MESSAGE_LEVEL                                            NUMBER
 MESSAGE_ID                                           VARCHAR2(64)
 MESSAGE_GROUP                                            VARCHAR2(64)
 CLIENT_ID                                            VARCHAR2(64)
 MODULE_ID                                            VARCHAR2(64)
 PROCESS_ID                                           VARCHAR2(32)
 THREAD_ID                                            VARCHAR2(64)
 USER_ID                                              VARCHAR2(64)
 INSTANCE_ID                                              VARCHAR2(64)
 DETAILED_LOCATION                                        VARCHAR2(160)
 PROBLEM_KEY                                              VARCHAR2(64)
 UPSTREAM_COMP_ID                                         VARCHAR2(100)
 DOWNSTREAM_COMP_ID                                       VARCHAR2(100)
 EXECUTION_CONTEXT_ID                                         VARCHAR2(100)
 EXECUTION_CONTEXT_SEQUENCE                                   NUMBER
 ERROR_INSTANCE_ID                                        NUMBER
 ERROR_INSTANCE_SEQUENCE                                      NUMBER
 VERSION                                              NUMBER
 MESSAGE_TEXT                                             VARCHAR2(2048)
 MESSAGE_ARGUMENTS                                        VARCHAR2(128)
 SUPPLEMENTAL_ATTRIBUTES                                      VARCHAR2(128)
 SUPPLEMENTAL_DETAILS                                         VARCHAR2(128)
 PARTITION                                            NUMBER
 RECORD_ID                                            NUMBER


比较常用的SQL如下(可以得到类似直接访问文本格式alert日志样式的结果):

SQL> select ORIGINATING_TIMESTAMP, MESSAGE_TEXT from X$DBGALERTEXT;

Finding Trace File Path using SQL

11g开始,Oracle提供了X$DBGDIREXT接口,可以用来查看diagnostic_dest下的目录和文件。X$DBGDIREXT的定义如下:

 SYS> desc X$DBGDIREXT;
 Name                                            Null?    Type
 ----------------------------------------------------------------------------------- -------- --------------------------------------------------------
 ADDR                                                 RAW(8)
 INDX                                                 NUMBER
 INST_ID                                              NUMBER
 PHYSICAL_PATH                                            VARCHAR2(444)
 LOGICAL_PATH                                             VARCHAR2(444)
 PHYSICAL_FILE                                            VARCHAR2(68)
 LOGICAL_FILE                                             VARCHAR2(68)
 CREATION_TIME                                            TIMESTAMP(3) WITH TIME ZONE
 MODIFY_TIME                                              TIMESTAMP(3) WITH TIME ZONE
 LVL                                                  NUMBER
 TYPE                                                 NUMBER

一个非常handy的用法:有时候不熟悉Oracle的人,我们需要它帮忙把alert日志取出来的时候,由于11g的alert是放在diagnostic中的,描述日志的路径每次都要费很大的劲,现在我们可以用下面sql来直接获取到alert日志的路径了:

SELECT PHYSICAL_PATH || CHR(47) || PHYSICAL_FILE
  FROM X$DBGDIREXT
 WHERE 1 = 1
   AND PHYSICAL_FILE LIKE 'alert_%'
   AND PHYSICAL_PATH LIKE '%rdbms%'
/   
gapinyc@DESKTOP-9QS7RL5:~/superset-prod$ docker logs superset_init Waiting for Superset DB to be ready... Loaded your LOCAL configuration at [/etc/superset/superset_config.py] 2025-10-22 01:58:36,274:INFO:superset.initialization:Setting database isolation level to READ COMMITTED /app/.venv/lib/python3.10/site-packages/flask_limiter/extension.py:333: UserWarning: Using the in-memory storage for tracking rate limits as no storage was explicitly specified. This is not recommended for production use. See: https://flask-limiter.readthedocs.io#configuring-a-storage-backend for documentation about configuring the storage backend. warnings.warn( INFO [alembic.env] Starting the migration scripts. INFO [alembic.runtime.migration] Context impl MySQLImpl. INFO [alembic.runtime.migration] Will assume transactional DDL. 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[alembic.runtime.migration] Running upgrade 0c5070e96b57 -> 1a1d627ebd8e, position_json INFO [alembic.runtime.migration] Running upgrade 1a1d627ebd8e -> 55e910a74826, add_metadata_column_to_annotation_model.py INFO [alembic.runtime.migration] Running upgrade 55e910a74826 -> 4ce8df208545, empty message INFO [alembic.runtime.migration] Running upgrade 4ce8df208545 -> 46f444d8b9b7, remove_coordinator_from_druid_cluster_model.py INFO [alembic.runtime.migration] Running upgrade 46f444d8b9b7 -> a61b40f9f57f, remove allow_run_sync INFO [alembic.runtime.migration] Running upgrade a61b40f9f57f -> 6c7537a6004a, models for email reports INFO [alembic.runtime.migration] Running upgrade 6c7537a6004a -> 3e1b21cd94a4, change_owner_to_m2m_relation_on_datasources.py INFO [alembic.runtime.migration] Running upgrade 6c7537a6004a -> cefabc8f7d38, Increase size of name column in ab_view_menu INFO [alembic.runtime.migration] Running upgrade 55e910a74826 -> 0b1f1ab473c0, Add extra column to Query INFO 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INFO [alembic.runtime.migration] Running upgrade 72428d1ea401 -> b5998378c225, add certificate to dbs INFO [alembic.runtime.migration] Running upgrade b5998378c225 -> f9a30386bd74, cleanup_time_granularity INFO [alembic.runtime.migration] Running upgrade f9a30386bd74 -> 620241d1153f, update time_grain_sqla INFO [alembic.runtime.migration] Running upgrade 620241d1153f -> 743a117f0d98, Add slack to the schedule INFO [alembic.runtime.migration] Running upgrade 743a117f0d98 -> e557699a813e, add_tables_relation_to_row_level_security INFO [alembic.runtime.migration] Running upgrade e557699a813e -> ea396d202291, Add ctas_method to the Query object INFO [alembic.runtime.migration] Running upgrade ea396d202291 -> a72cb0ebeb22, deprecate dbs.perm column INFO [alembic.runtime.migration] Running upgrade a72cb0ebeb22 -> 2f1d15e8a6af, add_alerts INFO [alembic.runtime.migration] Running upgrade 2f1d15e8a6af -> f2672aa8350a, add_slack_to_alerts INFO [alembic.runtime.migration] Running upgrade f2672aa8350a -> f120347acb39, Add extra column to tables and metrics INFO [alembic.runtime.migration] Running upgrade f2672aa8350a -> 978245563a02, Migrate iframe in dashboard to markdown component INFO [alembic.runtime.migration] Running upgrade 978245563a02, f120347acb39 -> f80a3b88324b, empty message INFO [alembic.runtime.migration] Running upgrade f80a3b88324b -> 2e5a0ee25ed4, refractor_alerting INFO [alembic.runtime.migration] Running upgrade f80a3b88324b -> 175ea3592453, Add cache to datasource lookup table. INFO [alembic.runtime.migration] Running upgrade 175ea3592453, 2e5a0ee25ed4 -> ae19b4ee3692, empty message INFO [alembic.runtime.migration] Running upgrade ae19b4ee3692 -> e5ef6828ac4e, add rls filter type and grouping key INFO [alembic.runtime.migration] Running upgrade e5ef6828ac4e -> 3fbbc6e8d654, fix data access permissions for virtual datasets INFO [alembic.runtime.migration] Running upgrade 3fbbc6e8d654 -> 18532d70ab98, Delete table_name unique constraint in mysql INFO [alembic.runtime.migration] Running upgrade 18532d70ab98 -> b56500de1855, add_uuid_column_to_import_mixin INFO [alembic.runtime.migration] Running upgrade b56500de1855 -> af30ca79208f, Collapse alerting models into a single one INFO [alembic.runtime.migration] Running upgrade af30ca79208f -> 585b0b1a7b18, add exec info to saved queries INFO [alembic.runtime.migration] Running upgrade 585b0b1a7b18 -> 96e99fb176a0, add_import_mixing_to_saved_query INFO [alembic.runtime.migration] Running upgrade 96e99fb176a0 -> 49b5a32daba5, add report schedules INFO [alembic.runtime.migration] Running upgrade 49b5a32daba5 -> a8173232b786, Add path to logs INFO [alembic.runtime.migration] Running upgrade a8173232b786 -> e38177dbf641, security converge saved queries INFO [alembic.runtime.migration] Running upgrade e38177dbf641 -> 8ee129739cf9, security converge css templates INFO [alembic.runtime.migration] Running upgrade 8ee129739cf9 -> 811494c0cc23, Remove path, path_no_int, and ref from logs INFO [alembic.runtime.migration] Running upgrade 811494c0cc23 -> 5daced1f0e76, reports add working_timeout column INFO [alembic.runtime.migration] Running upgrade 5daced1f0e76 -> 40f16acf1ba7, security converge reports INFO [alembic.runtime.migration] Running upgrade 40f16acf1ba7 -> ccb74baaa89b, security converge charts INFO [alembic.runtime.migration] Running upgrade ccb74baaa89b -> c25cb2c78727, security converge annotations INFO [alembic.runtime.migration] Running upgrade c25cb2c78727 -> 45731db65d9c, security converge datasets INFO [alembic.runtime.migration] Running upgrade 45731db65d9c -> 4b84f97828aa, security converge logs INFO [alembic.runtime.migration] Running upgrade 4b84f97828aa -> 1f6dca87d1a2, security converge dashboards INFO [alembic.runtime.migration] Running upgrade 1f6dca87d1a2 -> 42b4c9e01447, security converge databases INFO [alembic.runtime.migration] Running upgrade 42b4c9e01447 -> e37912a26567, security converge queries INFO [alembic.runtime.migration] Running upgrade e37912a26567 -> ab104a954a8f, reports alter crontab size INFO [alembic.runtime.migration] Running upgrade ab104a954a8f -> 73fd22e742ab, add_dynamic_plugins.py INFO [alembic.runtime.migration] Running upgrade 73fd22e742ab -> c878781977c6, alert reports shared uniqueness INFO [alembic.runtime.migration] Running upgrade c878781977c6 -> 260bf0649a77, migrate [x dateunit] to [x dateunit ago/later] INFO [alembic.runtime.migration] Running upgrade 260bf0649a77 -> e11ccdd12658, add roles relationship to dashboard INFO [alembic.runtime.migration] Running upgrade e11ccdd12658 -> 41ce8799acc3, rename pie label type INFO [alembic.runtime.migration] Running upgrade 41ce8799acc3 -> 070c043f2fdb, add granularity to charts where missing INFO [alembic.runtime.migration] Running upgrade 070c043f2fdb -> c501b7c653a3, add missing uuid column INFO [alembic.runtime.migration] Running upgrade c501b7c653a3 -> 1412ec1e5a7b, legacy force directed to echart INFO [alembic.runtime.migration] Running upgrade 1412ec1e5a7b -> 67da9ef1ef9c, add hide_left_bar to tabstate INFO [alembic.runtime.migration] Running upgrade 67da9ef1ef9c -> 989bbe479899, rename_filter_configuration_in_dashboard_metadata.py INFO [alembic.runtime.migration] Running upgrade 989bbe479899 -> 301362411006, add_execution_id_to_report_execution_log_model.py INFO [alembic.runtime.migration] Running upgrade 301362411006 -> 134cea61c5e7, remove dataset health check message INFO [alembic.runtime.migration] Running upgrade 134cea61c5e7 -> 085f06488938, Country map use lowercase country name INFO [alembic.runtime.migration] Running upgrade 085f06488938 -> fc3a3a8ff221, migrate filter sets to new format INFO [alembic.runtime.migration] Running upgrade fc3a3a8ff221 -> 19e978e1b9c3, add_report_format_to_report_schedule_model.py INFO [alembic.runtime.migration] Running upgrade 19e978e1b9c3 -> d416d0d715cc, add_limiting_factor_column_to_query_model.py INFO [alembic.runtime.migration] Running upgrade d416d0d715cc -> f1410ed7ec95, migrate native filters to new schema INFO [alembic.runtime.migration] Running upgrade f1410ed7ec95 -> 453530256cea, add_save_form_column_to_db_model INFO [alembic.runtime.migration] Running upgrade 453530256cea -> 3317e9248280, add_creation_method_to_reports_model INFO [alembic.runtime.migration] Running upgrade 3317e9248280 -> 030c840e3a1c, Add query context to slices INFO [alembic.runtime.migration] Running upgrade 030c840e3a1c -> ae1ed299413b, add_timezone_to_report_schedule INFO [alembic.runtime.migration] Running upgrade ae1ed299413b -> 31b2a1039d4a, drop tables constraint INFO [alembic.runtime.migration] Running upgrade 31b2a1039d4a -> e323605f370a, fix schemas_allowed_for_csv_upload INFO [alembic.runtime.migration] Running upgrade e323605f370a -> 143b6f2815da, migrate pivot table v2 heatmaps to new format INFO [alembic.runtime.migration] Running upgrade 143b6f2815da -> f6196627326f, update chart permissions INFO [alembic.runtime.migration] Running upgrade f6196627326f -> 6d20ba9ecb33, add_last_saved_at_to_slice_model INFO [alembic.runtime.migration] Running upgrade 6d20ba9ecb33 -> 07071313dd52, change_fetch_values_predicate_to_text INFO [alembic.runtime.migration] Running upgrade 07071313dd52 -> 021b81fe4fbb, Add type to native filter configuration INFO [alembic] [AddTypeToNativeFilter] Starting upgrade INFO [alembic] [AddTypeToNativeFilter] Done! INFO [alembic.runtime.migration] Running upgrade 021b81fe4fbb -> 181091c0ef16, add_extra_column_to_columns_model INFO [alembic.runtime.migration] Running upgrade 181091c0ef16 -> 3ebe0993c770, add filter set model INFO [alembic.runtime.migration] Running upgrade 3ebe0993c770 -> 60dc453f4e2e, migrate timeseries_limit_metric to legacy_order_by in pivot_table_v2 INFO [alembic.runtime.migration] Running upgrade 60dc453f4e2e -> 32646df09c64, update time grain SQLA INFO [alembic.runtime.migration] Running upgrade 32646df09c64 -> f9847149153d, add_certifications_columns_to_slice INFO [alembic.runtime.migration] Running upgrade f9847149153d -> aea15018d53b, add_certifications_columns_to_dashboard INFO [alembic.runtime.migration] Running upgrade aea15018d53b -> b92d69a6643c, rename_csv_to_file INFO [alembic.runtime.migration] Running upgrade b92d69a6643c -> 0ca9e5f1dacd, rename to schemas_allowed_for_file_upload in dbs.extra INFO [alembic.runtime.migration] Running upgrade 0ca9e5f1dacd -> abe27eaf93db, add_extra_config_column_to_alerts INFO [alembic.runtime.migration] Running upgrade abe27eaf93db -> 3ba29ecbaac5, Change datatype of type in BaseColumn INFO [alembic.runtime.migration] Running upgrade 3ba29ecbaac5 -> fe23025b9441, rename_big_viz_total_form_data_fields INFO [alembic.runtime.migration] Running upgrade fe23025b9441 -> 31bb738bd1d2, move_pivot_table_v2_legacy_order_by_to_timeseries_limit_metric INFO [alembic.runtime.migration] Running upgrade 31bb738bd1d2 -> bb38f40aa3ff, Add force_screenshot to alerts/reports INFO [alembic.runtime.migration] Running upgrade bb38f40aa3ff -> c53bae8f08dd, add_saved_query_foreign_key_to_tab_state INFO [alembic.runtime.migration] Running upgrade c53bae8f08dd -> 5fd49410a97a, Add columns for external management INFO [alembic.runtime.migration] Running upgrade 5fd49410a97a -> 5afbb1a5849b, add_embedded_dashboard_table INFO [alembic.runtime.migration] Running upgrade 5afbb1a5849b -> b8d3a24d9131, New dataset models INFO [alembic.runtime.migration] Running upgrade b8d3a24d9131 -> b5a422d8e252, fix query and saved_query null schema INFO [alembic.runtime.migration] Running upgrade b5a422d8e252 -> ab9a9d86e695, deprecate time_range_endpoints INFO [alembic.runtime.migration] Running upgrade ab9a9d86e695 -> 7293b0ca7944, change_adhoc_filter_b_from_none_to_empty_array INFO [alembic.runtime.migration] Running upgrade 7293b0ca7944 -> 6766938c6065, add key-value store INFO [alembic.runtime.migration] Running upgrade 6766938c6065 -> 58df9d617f14, add_on_saved_query_delete_tab_state_null_constraint" INFO [alembic.runtime.migration] Running upgrade 58df9d617f14 -> 2ed890b36b94, rm_time_range_endpoints_from_qc INFO [alembic.runtime.migration] Running upgrade 2ed890b36b94 -> b0d0249074e4, deprecate time_range_endpoints v2 INFO [alembic.runtime.migration] Running upgrade 2ed890b36b94 -> 8b841273bec3, sql_lab_models_database_constraint_updates INFO [alembic.runtime.migration] Running upgrade 8b841273bec3, b0d0249074e4 -> 9d8a8d575284, merge point INFO [alembic.runtime.migration] Running upgrade 9d8a8d575284 -> cecc6bf46990, rm_time_range_endpoints_2 INFO [alembic.runtime.migration] Running upgrade cecc6bf46990 -> ad07e4fdbaba, rm_time_range_endpoints_from_qc_3 INFO [alembic.runtime.migration] Running upgrade ad07e4fdbaba -> a9422eeaae74, new_dataset_models_take_2 INFO [alembic.runtime.migration] Running upgrade a9422eeaae74 -> cbe71abde154, fix report schedule and execution log INFO [alembic.runtime.migration] Running upgrade cbe71abde154 -> 6f139c533bea, adding advanced data type to column models INFO [alembic.runtime.migration] Running upgrade 6f139c533bea -> e786798587de, Delete None permissions INFO [alembic.runtime.migration] Running upgrade e786798587de -> e09b4ae78457, Resize key_value blob INFO [alembic.runtime.migration] Running upgrade e09b4ae78457 -> f3afaf1f11f0, add_unique_name_desc_rls INFO [alembic.runtime.migration] Running upgrade f3afaf1f11f0 -> 7fb8bca906d2, permalink_rename_filterState INFO [alembic.runtime.migration] Running upgrade 7fb8bca906d2 -> cdcf3d64daf4, Add user_id and dttm composite index to Log model INFO [alembic.runtime.migration] Running upgrade cdcf3d64daf4 -> c747c78868b6, Migrating legacy TreeMap INFO [alembic.runtime.migration] Running upgrade c747c78868b6 -> 06e1e70058c7, Migrating legacy Area INFO [alembic.runtime.migration] Running upgrade 06e1e70058c7 -> a39867932713, query_context_to_mediumtext INFO [alembic.runtime.migration] Running upgrade a39867932713 -> 409c7b420ab0, add created_by_fk as owner INFO [alembic.runtime.migration] Running upgrade 409c7b420ab0 -> ffa79af61a56, rename report_schedule.extra to extra_json INFO [alembic.runtime.migration] Running upgrade ffa79af61a56 -> 6d3c6f9d665d, fix_table_chart_conditional_formatting_colors INFO [alembic.runtime.migration] Running upgrade 6d3c6f9d665d -> 291f024254b5, drop_column_allow_multi_schema_metadata_fetch INFO [alembic.runtime.migration] Running upgrade 291f024254b5 -> deb4c9d4a4ef, parameters in saved queries INFO [alembic.runtime.migration] Running upgrade deb4c9d4a4ef -> 4ce1d9b25135, remove_filter_bar_orientation INFO [alembic.runtime.migration] Running upgrade 4ce1d9b25135 -> f3c2d8ec8595, create_ssh_tunnel_credentials_tbl INFO [alembic.runtime.migration] Running upgrade f3c2d8ec8595 -> 9c2a5681ddfd, convert key-value entries to json INFO [alembic.runtime.migration] Running upgrade 9c2a5681ddfd -> c0a3ea245b61, remove_show_native_filters INFO [alembic.runtime.migration] Running upgrade c0a3ea245b61 -> d0ac08bb5b83, invert_horizontal_bar_chart_order INFO [alembic.runtime.migration] Running upgrade d0ac08bb5b83 -> b5ea9d343307, bar_chart_stack_options INFO [alembic.runtime.migration] Running upgrade b5ea9d343307 -> 07f9a902af1b, drop postgres enum constrains for tags INFO [alembic.runtime.migration] Running upgrade 07f9a902af1b -> 7e67aecbf3f1, chart-ds-constraint INFO [alembic.runtime.migration] Running upgrade 7e67aecbf3f1 -> 4ea966691069, cross-filter-global-scoping INFO [alembic.runtime.migration] Running upgrade 4ea966691069 -> 9ba2ce3086e5, migrate-pivot-table-v1-to-v2 INFO [alembic.runtime.migration] Running upgrade 9ba2ce3086e5 -> 4c5da39be729, migrate_treemap_chart INFO [alembic.runtime.migration] Running upgrade 4c5da39be729 -> ae58e1e58e5c, migrate_dual_line_to_mixed_chart INFO [alembic.runtime.migration] Running upgrade ae58e1e58e5c -> 83e1abbe777f, drop access_request INFO [alembic.runtime.migration] Running upgrade 83e1abbe777f -> 90139bf715e4, add_currency_column_to_metrics INFO [alembic.runtime.migration] Running upgrade 90139bf715e4 -> 6fbe660cac39, add on delete cascade for tables references INFO [alembic.runtime.migration] Running upgrade 6fbe660cac39 -> 8e5b0fb85b9a, Add custom size columns to report schedule INFO [alembic.runtime.migration] Running upgrade 8e5b0fb85b9a -> 240d23c7f86f, update_tag_model_w_description INFO [alembic.runtime.migration] Running upgrade 240d23c7f86f -> f92a3124dd66, drop rouge constraints and tables INFO [alembic.runtime.migration] Running upgrade f92a3124dd66 -> 6d05b0a70c89, add on delete cascade for owners references INFO [alembic.runtime.migration] Running upgrade 6d05b0a70c89 -> 863adcf72773, delete obsolete Druid NoSQL slice parameters INFO [alembic.runtime.migration] Running upgrade 863adcf72773 -> a23c6f8b1280, cleanup erroneous parent filter IDs INFO [alembic.runtime.migration] Running upgrade a23c6f8b1280 -> bf646a0c1501, json_metadata INFO [alembic.runtime.migration] Running upgrade bf646a0c1501 -> e0f6f91c2055, create_user_favorite_table INFO [alembic.runtime.migration] Running upgrade e0f6f91c2055 -> ee179a490af9, deckgl-path-width-units INFO [alembic.runtime.migration] Running upgrade ee179a490af9 -> 0769ef90fddd, Fix schema perm for datasets INFO [alembic.runtime.migration] Running upgrade 0769ef90fddd -> 2e826adca42c, Fix schema for log INFO [alembic.runtime.migration] Running upgrade 2e826adca42c -> 8ace289026f3, add on delete cascade for dashboard_slices INFO [alembic.runtime.migration] Running upgrade 8ace289026f3 -> 4448fa6deeb1, add on delete cascade for embedded_dashboards INFO [alembic.runtime.migration] Running upgrade 4448fa6deeb1 -> 9f4a086c2676, add_normalize_columns_to_sqla_model INFO [alembic.runtime.migration] Running upgrade 9f4a086c2676 -> ec54aca4c8a2, Increase ab_user.email field size INFO [alembic.runtime.migration] Running upgrade ec54aca4c8a2 -> 317970b4400c, Added always_filter_main_dttm to datasource INFO [alembic.runtime.migration] Running upgrade 317970b4400c -> 4b85906e5b91, add on delete cascade for dashboard_roles INFO [alembic.runtime.migration] Running upgrade 4b85906e5b91 -> b7851ee5522f, replay 317970b4400c INFO [alembic.runtime.migration] Running upgrade b7851ee5522f -> 06dd9ff00fe8, add_percent_calculation_type_funnel_chart INFO [alembic.runtime.migration] Running upgrade 06dd9ff00fe8 -> 65a167d4c62e, add indexes to report models INFO [alembic.runtime.migration] Running upgrade 65a167d4c62e -> 59a1450b3c10, drop_filter_sets_table INFO [alembic.runtime.migration] Running upgrade 59a1450b3c10 -> a32e0c4d8646, migrate-sunburst-chart INFO [alembic.runtime.migration] Running upgrade 59a1450b3c10 -> 96164e3017c6 INFO [alembic.runtime.migration] Running upgrade 96164e3017c6, a32e0c4d8646 -> 15a2c68a2e6b, merging two heads INFO [alembic.runtime.migration] Running upgrade a32e0c4d8646 -> 214f580d09c9, migrate_filter_boxes_to_native_filters INFO [alembic.runtime.migration] Running upgrade 214f580d09c9 -> e863403c0c50, drop_url_table INFO [alembic.runtime.migration] Running upgrade e863403c0c50, 15a2c68a2e6b -> 1cf8e4344e2b, merging INFO [alembic.runtime.migration] Running upgrade 1cf8e4344e2b -> 87d38ad83218, Migrate can_view_and_drill permission INFO [alembic.runtime.migration] Running upgrade 87d38ad83218 -> 17fcea065655, change_text_to_mediumtext INFO [alembic.runtime.migration] Running upgrade 17fcea065655 -> be1b217cd8cd, big_number_kpi_single_metric INFO [alembic.runtime.migration] Running upgrade be1b217cd8cd -> 678eefb4ab44, Add access token table INFO [alembic.runtime.migration] Running upgrade 678eefb4ab44 -> c22cb5c2e546, empty message INFO [alembic] Adding column avatar_url to table user_attribute... INFO [alembic.runtime.migration] Running upgrade c22cb5c2e546 -> 5ad7321c2169, mig new csv upload perm INFO [alembic.runtime.migration] Running upgrade 5ad7321c2169 -> d60591c5515f, mig new excel upload perm INFO [alembic.runtime.migration] Running upgrade d60591c5515f -> 5f57af97bc3f, Add catalog column INFO [alembic] Adding column catalog to table tables... INFO [alembic] Adding column catalog to table query... INFO [alembic] Adding column catalog to table saved_query... INFO [alembic] Adding column catalog to table tab_state... INFO [alembic] Adding column catalog to table table_schema... INFO [alembic.runtime.migration] Running upgrade 5f57af97bc3f -> 3dfd0e78650e, add_query_sql_editor_id_index INFO [alembic.runtime.migration] Running upgrade 5f57af97bc3f -> 4a33124c18ad, mig new columnar upload perm INFO [alembic.runtime.migration] Running upgrade 4a33124c18ad -> 58d051681a3b, Add catalog_perm to tables INFO [alembic] Adding column catalog_perm to table tables... INFO [alembic] Adding column catalog_perm to table slices... INFO [alembic.runtime.migration] Running upgrade 58d051681a3b, 3dfd0e78650e -> 645bb206f96c, empty message INFO [alembic.runtime.migration] Running upgrade 645bb206f96c -> 4081be5b6b74, Enable catalog in Databricks INFO [alembic.runtime.migration] Running upgrade 4081be5b6b74 -> 87ffc36f9842, Enable catalog in BigQuery/Presto/Trino/Snowflake INFO [alembic.runtime.migration] Running upgrade 87ffc36f9842 -> 9621c6d56ffb, add subject column to report schedule INFO [alembic.runtime.migration] Running upgrade 9621c6d56ffb -> f84fde59123a, Update charts with old time comparison controls INFO [alembic.runtime.migration] Running upgrade f84fde59123a -> f7b6750b67e8, change_mediumtext_to_longtext Revision ID: f7b6750b67e8 Revises: f84fde59123a Create Date: 2024-05-09 19:19:46.630140 INFO [alembic.runtime.migration] Running upgrade f7b6750b67e8 -> 02f4f7811799, remove sl_dataset_columns tables INFO [alembic] Dropping foreign key sl_dataset_columns_ibfk_1 from table sl_dataset_columns... INFO [alembic] Dropping foreign key sl_dataset_columns_ibfk_2 from table sl_dataset_columns... INFO [alembic.runtime.migration] Running upgrade 02f4f7811799 -> 39549add7bfc, remove sl_table_columns_table INFO [alembic] Dropping foreign key sl_table_columns_ibfk_1 from table sl_table_columns... INFO [alembic] Dropping foreign key sl_table_columns_ibfk_2 from table sl_table_columns... INFO [alembic.runtime.migration] Running upgrade 39549add7bfc -> 38f4144e8558, remove sl_dataset_tables INFO [alembic] Dropping foreign key sl_dataset_tables_ibfk_1 from table sl_dataset_tables... INFO [alembic] Dropping foreign key sl_dataset_tables_ibfk_2 from table sl_dataset_tables... INFO [alembic.runtime.migration] Running upgrade 38f4144e8558 -> e53fd48cc078, remove sl_dataset_users INFO [alembic] Dropping foreign key sl_dataset_users_ibfk_1 from table sl_dataset_users... INFO [alembic] Dropping foreign key sl_dataset_users_ibfk_2 from table sl_dataset_users... INFO [alembic.runtime.migration] Running upgrade e53fd48cc078 -> a6b32d2d07b1, remove sl_columns INFO [alembic] Dropping foreign key sl_columns_ibfk_1 from table sl_columns... INFO [alembic] Dropping foreign key sl_columns_ibfk_2 from table sl_columns... INFO [alembic.runtime.migration] Running upgrade a6b32d2d07b1 -> 007a1abffe7e, remove sl_tables INFO [alembic] Dropping foreign key sl_tables_ibfk_1 from table sl_tables... INFO [alembic] Dropping foreign key sl_tables_ibfk_2 from table sl_tables... INFO [alembic] Dropping foreign key sl_tables_ibfk_3 from table sl_tables... INFO [alembic.runtime.migration] Running upgrade 007a1abffe7e -> 48cbb571fa3a, remove sl_datasets INFO [alembic] Dropping foreign key sl_datasets_ibfk_1 from table sl_datasets... INFO [alembic] Dropping foreign key sl_datasets_ibfk_2 from table sl_datasets... INFO [alembic] Dropping foreign key sl_datasets_ibfk_3 from table sl_datasets... INFO [alembic.runtime.migration] Running upgrade 48cbb571fa3a -> 7b17aa722e30, UUIDMixin INFO [alembic.runtime.migration] Running upgrade 48cbb571fa3a -> df3d7e2eb9a4, Remove _customer_location_uc INFO [alembic.runtime.migration] Running upgrade df3d7e2eb9a4, 7b17aa722e30 -> eb1c288c71c4, empty message INFO [alembic.runtime.migration] Running upgrade eb1c288c71c4 -> d482d51c15ca, remove_legacy_plugins_5_0 INFO [alembic.runtime.migration] Running upgrade d482d51c15ca -> 74ad1125881c, converge_upload_permissions INFO [alembic.env] Migration scripts completed. Duration: 00:00:25 Cleaning up slice uuid from dashboard position json.. Done. Updated 0 pie chart labels. 0 slices altered Cleaning up slice uuid from dashboard position json.. Done. Updated 0 native filter configurations. Updated 0 filter sets with 0 filters. Upgraded 0 filters and 0 filter sets. Upgraded 0 slices. slices updated with no time_range_endpoints: 0 >> Assign new UUIDs to tables... >> Drop intermediate columns... Loaded your LOCAL configuration at [/etc/superset/superset_config.py] 2025-10-22 01:59:06,008:INFO:superset.initialization:Setting database isolation level to READ COMMITTED /app/.venv/lib/python3.10/site-packages/flask_limiter/extension.py:333: UserWarning: Using the in-memory storage for tracking rate limits as no storage was explicitly specified. This is not recommended for production use. See: https://flask-limiter.readthedocs.io#configuring-a-storage-backend for documentation about configuring the storage backend. warnings.warn( Recognized Database Authentications. Admin User admin created. Loaded your LOCAL configuration at [/etc/superset/superset_config.py] 2025-10-22 01:59:10,768:INFO:superset.initialization:Setting database isolation level to READ COMMITTED /app/.venv/lib/python3.10/site-packages/flask_limiter/extension.py:333: UserWarning: Using the in-memory storage for tracking rate limits as no storage was explicitly specified. This is not recommended for production use. See: https://flask-limiter.readthedocs.io#configuring-a-storage-backend for documentation about configuring the storage backend. warnings.warn( 2025-10-22 01:59:16,494:INFO:superset.security.manager:Syncing role definition 2025-10-22 01:59:16,704:INFO:superset.security.manager:Syncing Admin perms 2025-10-22 01:59:16,709:INFO:superset.security.manager:Syncing Alpha perms 2025-10-22 01:59:16,908:INFO:superset.security.manager:Syncing Gamma perms 2025-10-22 01:59:17,173:INFO:superset.security.manager:Syncing sql_lab perms 2025-10-22 01:59:17,452:INFO:superset.security.manager:Fetching a set of all perms to lookup which ones are missing 2025-10-22 01:59:17,460:INFO:superset.security.manager:Creating missing datasource permissions. 2025-10-22 01:59:17,465:INFO:superset.security.manager:Creating missing database permissions. 2025-10-22 01:59:17,475:INFO:superset.security.manager:Cleaning faulty perms ✅ Superset 初始化完成! gapinyc@DESKTOP-9QS7RL5:~/superset-prod$
10-23
【博士论文复现】【阻抗建模、验证扫频法】光伏并网逆变器扫频与稳定性分析(包含锁相环电流环)(Simulink仿真实现)内容概要:本文档是一份关于“光伏并网逆变器扫频与稳定性分析”的Simulink仿真实现资源,重点复现博士论文中的阻抗建模与扫频法验证过程,涵盖锁相环和电流环等关键控制环节。通过构建详细的逆变器模型,采用小信号扰动方法进行频域扫描,获取系统输出阻抗特性,并结合奈奎斯特稳定判据分析并网系统的稳定性,帮助深入理解光伏发电系统在弱电网条件下的动态行为与失稳机理。; 适合人群:具备电力电子、自动控制理论基础,熟悉Simulink仿真环境,从事新能源发电、微电网或电力系统稳定性研究的研究生、科研人员及工程技术人员。; 使用场景及目标:①掌握光伏并网逆变器的阻抗建模方法;②学习基于扫频法的系统稳定性分析流程;③复现高水平学术论文中的关键技术环节,支撑科研项目或学位论文工作;④为实际工程中并网逆变器的稳定性问题提供仿真分析手段。; 阅读建议:建议读者结合相关理论教材与原始论文,逐步运行并调试提供的Simulink模型,重点关注锁相环与电流控制器参数对系统阻抗特性的影响,通过改变电网强度等条件观察系统稳定性变化,深化对阻抗分析法的理解与应用能力。
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