{"record":{"id":"cb13d077323f4ae2","repo":"dbt-labs/dbt-core","slug":"duckdbadapter-list-relations-schemas-by-patterns","errorCode":null,"errorMessage":"DuckDBAdapter::list_relations_schemas_by_patterns","messagePattern":"DuckDBAdapter::list_relations_schemas_by_patterns","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/dbt-adapter/src/metadata/duckdb/mod.rs","lineNumber":226,"sourceCode":"        let reduce_f = |acc: &mut Acc,\n                        key: (String, String),\n                        schema: AdapterResult<Arc<Schema>>|\n         -> Result<(), Cancellable<AdapterError>> {\n            let (semantic_fqn, _) = key;\n            acc.insert(semantic_fqn, schema);\n            Ok(())\n        };\n\n        let map_reduce = MapReduce::new(factory, Box::new(map_f), Box::new(reduce_f), None);\n        map_reduce.run(Arc::new(keys), token)\n    }\n\n    fn list_relations_schemas_by_patterns_inner(\n        &self,\n        _patterns: &[RelationPattern],\n        _token: CancellationToken,\n    ) -> AsyncAdapterResult<'_, Vec<(String, AdapterResult<RelationSchemaPair>)>> {\n        todo!(\"DuckDBAdapter::list_relations_schemas_by_patterns\")\n    }\n\n    fn freshness_inner(\n        &self,\n        _relations: &[Arc<dyn BaseRelation>],\n        _token: CancellationToken,\n    ) -> AsyncAdapterResult<'_, BTreeMap<String, MetadataFreshness>> {\n        todo!(\"DuckDBAdapter::freshness\")\n    }\n\n    fn create_schemas_if_not_exists(\n        &self,\n        state: &State<'_, '_>,\n        catalog_schemas: Vec<(String, String, String)>,\n    ) -> AdapterResult<Vec<(String, String, String, AdapterResult<()>)>> {\n        create_schemas_if_not_exists(&self.adapter, self, state, catalog_schemas)\n    }\n","sourceCodeStart":208,"sourceCodeEnd":244,"githubUrl":"https://github.com/dbt-labs/dbt-core/blob/0267ce9170576975b76b64ce856b2e5848e96617/crates/dbt-adapter/src/metadata/duckdb/mod.rs#L208-L244","documentation":"DuckDB's `list_relations_schemas_by_patterns_inner` is a `todo!()` stub, so pattern-based relation/schema listing is unimplemented for DuckDBAdapter. Invoking the metadata API panics with 'DuckDBAdapter::list_relations_schemas_by_patterns'.","triggerScenarios":"Calling `list_relations_schemas_by_patterns` (or a flow that dispatches into this inner method) with the DuckDB adapter.","commonSituations":"A DuckDB project triggers a bulk schema/relation listing by patterns (e.g., cache rebuild or catalog operation) and panics the first time the pattern-based path is exercised.","solutions":["Implement the method for DuckDBAdapter using DuckDB catalog queries (e.g., duckdb_tables()/information_schema) filtered by the patterns","Use the implemented non-pattern metadata paths for DuckDB as an interim approach","Track the missing feature upstream"],"exampleFix":"// before\nfn list_relations_schemas_by_patterns_inner(\n    &self,\n    _patterns: &[RelationPattern],\n    _token: CancellationToken,\n) -> AsyncAdapterResult<'_, Vec<(String, AdapterResult<RelationSchemaPair>)>> {\n    todo!(\"DuckDBAdapter::list_relations_schemas_by_patterns\")\n}\n// after\nfn list_relations_schemas_by_patterns_inner(\n    &self,\n    patterns: &[RelationPattern],\n    token: CancellationToken,\n) -> AsyncAdapterResult<'_, Vec<(String, AdapterResult<RelationSchemaPair>)>> {\n    self.query_duckdb_catalog_by_patterns(patterns, token)\n}","handlingStrategy":"validation","validationCode":"if adapter.name() == \"duckdb\" {\n    return Err(anyhow!(\"Pattern-based relation listing is not implemented for DuckDB\"));\n}","typeGuard":"fn supports_pattern_listing(adapter: &dyn Adapter) -> bool {\n    adapter.capabilities().list_relations_schemas_by_patterns\n}","tryCatchPattern":"match std::panic::catch_unwind(AssertUnwindSafe(|| adapter.list_relations_schemas_by_patterns(patterns))) {\n    Ok(res) => res,\n    Err(_) => per_relation_listing_fallback(patterns),\n}","preventionTips":["Avoid the pattern-listing API with DuckDB until implemented; use duckdb_tables()/information_schema directly","Gate bulk listing flows on adapter capability checks","Keep DuckDB workflows on the implemented metadata paths","Track upstream DuckDB metadata implementation"],"tags":["rust","todo-panic","unimplemented","duckdb","metadata"],"backgroundTag":"method-not-implemented","analyzedSha":"0267ce9170576975b76b64ce856b2e5848e96617","analyzedAt":"2026-09-07T21:53:39.732Z","contentChangedAt":"2026-09-07T21:53:39.732Z","schemaVersion":2},"datasetVersion":"2026-09-14T16:17:12.679Z"}