{"record":{"id":"6b7850481f8ad3e2","repo":"dbt-labs/dbt-core","slug":"materialized-view-config-changeset-failed-to-dese","errorCode":null,"errorMessage":"materialized_view_config_changeset: Failed to deserialize RedshiftMaterializedViewConfig: {e}","messagePattern":"materialized_view_config_changeset: Failed to deserialize RedshiftMaterializedViewConfig: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/dbt-adapter/src/relation/relation_impl.rs","lineNumber":1255,"sourceCode":"        use AdapterType::*;\n        match self.adapter_type {\n            // FIXME(serramatutu): port over to RelationConfig v2\n            Redshift => {\n                let remote_state = DescribeMaterializedViewResults::try_from(\n                    remote_state_value,\n                    )\n                    .map_err(|e| {\n                        minijinja::Error::new(\n                            minijinja::ErrorKind::SerdeDeserializeError,\n                            format!(\n                                \"from_config: Failed to serialized DescribeMaterializedViewResults: {e}\"\n                            )\n                        )\n                    })?;\n\n                let remote_state = RedshiftMaterializedViewConfig::try_from(remote_state)\n                    .map_err(|e| {\n                        minijinja::Error::new(\n                            minijinja::ErrorKind::SerdeDeserializeError,\n                            format!(\n                                \"materialized_view_config_changeset: Failed to deserialize RedshiftMaterializedViewConfig: {e}\"\n                            ),\n                        )\n                    })?;\n\n                let local_config = node_value_to_redshift_materialized_view(local_config_value)?;\n\n                let changeset =\n                    RedshiftMaterializedViewConfigChangeset::new(remote_state, local_config);\n\n                if changeset.has_changes() {\n                    Ok(Value::from_object(changeset))\n                } else {\n                    Ok(Value::from(None::<()>))\n                }\n            }","sourceCodeStart":1237,"sourceCodeEnd":1273,"githubUrl":"https://github.com/dbt-labs/dbt-core/blob/0267ce9170576975b76b64ce856b2e5848e96617/crates/dbt-adapter/src/relation/relation_impl.rs#L1237-L1273","documentation":"Immediately after parsing the describe results, the Redshift branch converts them into a RedshiftMaterializedViewConfig via try_from. If the describe results cannot be interpreted as a Redshift materialized-view config, this SerdeDeserializeError is raised. It indicates the remote state lacks fields required for changeset computation (e.g. autorefresh, dist, sort keys).","triggerScenarios":"Providing a DescribeMaterializedViewResults whose contents cannot yield a RedshiftMaterializedViewConfig (missing or malformed config fields in the remote state).","commonSituations":"Remote state captured on a warehouse whose materialized view lacks expected attributes, results from a different adapter version, or corrupted/stale cached state.","solutions":["Check the nested error text for the missing/invalid field and correct the remote state source.","Re-describe the materialized view to regenerate accurate DescribeMaterializedViewResults.","Verify adapter and dbt version parity so the config struct expectations match.","If the view was created outside dbt, ensure its properties match what the adapter expects."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"# Confirm required config attributes exist before changeset computation\nrequired = ['autorefresh', 'dist', 'sortkind', 'sortkey']\nif any(remote_state.get(k) is None for k in required):\n    re_describe(relation)","typeGuard":"fn is_redshift_mv_config(r: &DescribeMaterializedViewResults) -> bool {\n    RedshiftMaterializedViewConfig::try_from(r.clone()).is_ok()\n}","tryCatchPattern":"match RedshiftMaterializedViewConfig::try_from(describe_results) {\n    Ok(cfg) => compute_changeset(cfg),\n    Err(e) => { warn_and_full_refresh(); }\n}","preventionTips":["Re-describe the materialized view instead of trusting cached results","Keep adapter versions aligned with warehouse behavior","Manage out-of-dbt views so required properties are present"],"tags":["redshift","serde","deserialization","materialized-view"],"backgroundTag":"schema-validation-failed","analyzedSha":"0267ce9170576975b76b64ce856b2e5848e96617","analyzedAt":"2026-09-07T21:53:39.732Z","contentChangedAt":"2026-09-07T21:53:39.732Z","schemaVersion":2},"datasetVersion":"2026-09-17T15:17:12.973Z"}