{"record":{"id":"11eb07a5005219a7","repo":"cayleygraph/cayley","slug":"unsupported-item-q","errorCode":null,"errorMessage":"unsupported item: %q","messagePattern":"unsupported item: %q","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"query/linkedql/registry.go","lineNumber":83,"sourceCode":"\t// TODO: make it a part of quad/jsonld package.\n\tdata, err := normalizeQuery(data)\n\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\n\tvar m map[string]json.RawMessage\n\tif err := json.Unmarshal(data, &m); err != nil {\n\t\treturn nil, err\n\t}\n\tvar typ string\n\tif err := json.Unmarshal(m[\"@type\"], &typ); err != nil {\n\t\treturn nil, err\n\t}\n\tdelete(m, \"@type\")\n\ttp, ok := TypeByName(typ)\n\tif !ok {\n\t\treturn nil, fmt.Errorf(\"unsupported item: %q\", typ)\n\t}\n\titem := reflect.New(tp).Elem()\n\tfor i := 0; i < tp.NumField(); i++ {\n\t\tf := tp.Field(i)\n\t\tname := f.Name\n\t\ttag := strings.SplitN(f.Tag.Get(\"json\"), \",\", 2)[0]\n\t\tif tag == \"-\" {\n\t\t\tcontinue\n\t\t} else if tag != \"\" {\n\t\t\tname = Namespace + tag\n\t\t}\n\t\tv, ok := m[name]\n\t\tif !ok {\n\t\t\tcontinue\n\t\t}\n\t\tfv := item.Field(i)\n\t\tswitch f.Type {\n\t\tcase graphPattern:","sourceCodeStart":65,"sourceCodeEnd":101,"githubUrl":"https://github.com/cayleygraph/cayley/blob/81dcd7d73e45136bc0d01802a8ba4685d8a533eb/query/linkedql/registry.go#L65-L101","documentation":"Error \"unsupported item: %q\" thrown in cayleygraph/cayley.","triggerScenarios":"Thrown at query/linkedql/registry.go:83 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"81dcd7d73e45136bc0d01802a8ba4685d8a533eb","analyzedAt":"2026-09-06T06:14:12.358Z","contentChangedAt":"2026-09-06T06:14:12.358Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}