{"id":"b33f3d6469bafc68","repo":"jackc/pgx","slug":"cannot-scan-null-into-uint64","errorCode":null,"errorMessage":"cannot scan NULL into *uint64","messagePattern":"cannot scan NULL into \\*uint64","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pgtype/builtin_wrappers.go","lineNumber":207,"sourceCode":"\tif v.Int64 > math.MaxUint32 {\n\t\treturn fmt.Errorf(\"%d is greater than maximum value for uint32\", v.Int64)\n\t}\n\t*w = uint32Wrapper(v.Int64)\n\n\treturn nil\n}\n\nfunc (w uint32Wrapper) Int64Value() (Int8, error) {\n\treturn Int8{Int64: int64(w), Valid: true}, nil\n}\n\ntype uint64Wrapper uint64\n\nfunc (w uint64Wrapper) SkipUnderlyingTypePlan() {}\n\nfunc (w *uint64Wrapper) ScanInt64(v Int8) error {\n\tif !v.Valid {\n\t\treturn fmt.Errorf(\"cannot scan NULL into *uint64\")\n\t}\n\n\tif v.Int64 < 0 {\n\t\treturn fmt.Errorf(\"%d is less than minimum value for uint64\", v.Int64)\n\t}\n\n\t*w = uint64Wrapper(v.Int64)\n\n\treturn nil\n}\n\nfunc (w uint64Wrapper) Int64Value() (Int8, error) {\n\tif uint64(w) > uint64(math.MaxInt64) {\n\t\treturn Int8{}, fmt.Errorf(\"%d is greater than maximum value for int64\", w)\n\t}\n\n\treturn Int8{Int64: int64(w), Valid: true}, nil\n}","sourceCodeStart":189,"sourceCodeEnd":225,"githubUrl":"https://github.com/jackc/pgx/blob/ec1a0befd22592cffffdeeb0a50311b506372f4c/pgtype/builtin_wrappers.go#L189-L225","documentation":"Error \"cannot scan NULL into *uint64\" thrown in jackc/pgx.","triggerScenarios":"Thrown at pgtype/builtin_wrappers.go:207 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}