{"id":"18ff32d0d77c3b9f","repo":"jackc/pgx","slug":"unknown-typtype-q-was-found-while-registering-q","errorCode":null,"errorMessage":"Unknown typtype %q was found while registering %q","messagePattern":"Unknown typtype %q was found while registering %q","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"derived_types.go","lineNumber":234,"sourceCode":"\t\t\ttype_ = &pgtype.Type{Name: ti.TypeName, OID: ti.Oid, Codec: dt.Codec}\n\t\tcase \"e\": // enum\n\t\t\ttype_ = &pgtype.Type{Name: ti.TypeName, OID: ti.Oid, Codec: &pgtype.EnumCodec{}}\n\t\tcase \"r\": // range\n\t\t\tdt, ok := m.TypeForOID(ti.Rngsubtype)\n\t\t\tif !ok {\n\t\t\t\treturn nil, fmt.Errorf(\"Range element OID %v was not already registered, needed for %q\", ti.Rngsubtype, ti.TypeName)\n\t\t\t}\n\n\t\t\ttype_ = &pgtype.Type{Name: ti.TypeName, OID: ti.Oid, Codec: &pgtype.RangeCodec{ElementType: dt}}\n\t\tcase \"m\": // multirange\n\t\t\tdt, ok := m.TypeForOID(ti.Rngtypid)\n\t\t\tif !ok {\n\t\t\t\treturn nil, fmt.Errorf(\"Multirange element OID %v was not already registered, needed for %q\", ti.Rngtypid, ti.TypeName)\n\t\t\t}\n\n\t\t\ttype_ = &pgtype.Type{Name: ti.TypeName, OID: ti.Oid, Codec: &pgtype.MultirangeCodec{ElementType: dt}}\n\t\tdefault:\n\t\t\treturn nil, fmt.Errorf(\"Unknown typtype %q was found while registering %q\", ti.Typtype, ti.TypeName)\n\t\t}\n\n\t\t// the type_ is impossible to be null\n\t\tm.RegisterType(type_)\n\t\tif ti.NspName != \"\" {\n\t\t\tnspType := &pgtype.Type{Name: ti.NspName + \".\" + type_.Name, OID: type_.OID, Codec: type_.Codec}\n\t\t\tm.RegisterType(nspType)\n\t\t\tresult = append(result, nspType)\n\t\t}\n\t\tresult = append(result, type_)\n\t}\n\n\tif err := rows.Err(); err != nil {\n\t\treturn nil, fmt.Errorf(\"While processing rows: %w\", err)\n\t}\n\n\treturn result, nil\n}","sourceCodeStart":216,"sourceCodeEnd":252,"githubUrl":"https://github.com/jackc/pgx/blob/ec1a0befd22592cffffdeeb0a50311b506372f4c/derived_types.go#L216-L252","documentation":"Error \"Unknown typtype %q was found while registering %q\" thrown in jackc/pgx.","triggerScenarios":"Thrown at derived_types.go:234 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"analyzedSha":"ec1a0befd22592cffffdeeb0a50311b506372f4c","analyzedAt":"2026-08-04T22:52:11.263Z","schemaVersion":2}