{"id":"8a0561f393ddc8d6","repo":"jackc/pgx","slug":"unknown-format-code-d-8a0561","errorCode":null,"errorMessage":"unknown format code %d","messagePattern":"unknown format code (.+?)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pgtype/range_codec.go","lineNumber":365,"sourceCode":"\t}\n\n\treturn rangeScanner.SetBoundTypes(utr.LowerType, utr.UpperType)\n}\n\nfunc (c *RangeCodec) DecodeDatabaseSQLValue(m *Map, oid uint32, format int16, src []byte) (driver.Value, error) {\n\tif src == nil {\n\t\treturn nil, nil\n\t}\n\n\tswitch format {\n\tcase TextFormatCode:\n\t\treturn string(src), nil\n\tcase BinaryFormatCode:\n\t\tbuf := make([]byte, len(src))\n\t\tcopy(buf, src)\n\t\treturn buf, nil\n\tdefault:\n\t\treturn nil, fmt.Errorf(\"unknown format code %d\", format)\n\t}\n}\n\nfunc (c *RangeCodec) DecodeValue(m *Map, oid uint32, format int16, src []byte) (any, error) {\n\tif src == nil {\n\t\treturn nil, nil\n\t}\n\n\tvar r Range[any]\n\terr := c.PlanScan(m, oid, format, &r).Scan(src, &r)\n\treturn r, err\n}\n","sourceCodeStart":347,"sourceCodeEnd":378,"githubUrl":"https://github.com/jackc/pgx/blob/ec1a0befd22592cffffdeeb0a50311b506372f4c/pgtype/range_codec.go#L347-L378","documentation":"Error \"unknown format code %d\" thrown in jackc/pgx.","triggerScenarios":"Thrown at pgtype/range_codec.go:365 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}