{"id":"285bebadc98a6437","repo":"jackc/pgx","slug":"cannot-scan-t-285beb","errorCode":null,"errorMessage":"cannot scan %T","messagePattern":"cannot scan %T","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pgtype/numeric.go","lineNumber":231,"sourceCode":"\t\t}\n\t\taccum += int64(r.Uint16())\n\t}\n\n\treturn accum, digits\n}\n\n// Scan implements the [database/sql.Scanner] interface.\nfunc (n *Numeric) Scan(src any) error {\n\tif src == nil {\n\t\t*n = Numeric{}\n\t\treturn nil\n\t}\n\n\tif src, ok := src.(string); ok {\n\t\treturn scanPlanTextAnyToNumericScanner{}.Scan([]byte(src), n)\n\t}\n\n\treturn fmt.Errorf(\"cannot scan %T\", src)\n}\n\n// Value implements the [database/sql/driver.Valuer] interface.\nfunc (n Numeric) Value() (driver.Value, error) {\n\tif !n.Valid {\n\t\treturn nil, nil\n\t}\n\n\tbuf, err := NumericCodec{}.PlanEncode(nil, 0, TextFormatCode, n).Encode(n, nil)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\treturn string(buf), err\n}\n\n// MarshalJSON implements the [encoding/json.Marshaler] interface.\nfunc (n Numeric) MarshalJSON() ([]byte, error) {\n\tif !n.Valid {","sourceCodeStart":213,"sourceCodeEnd":249,"githubUrl":"https://github.com/jackc/pgx/blob/ec1a0befd22592cffffdeeb0a50311b506372f4c/pgtype/numeric.go#L213-L249","documentation":"Error \"cannot scan %T\" thrown in jackc/pgx.","triggerScenarios":"Thrown at pgtype/numeric.go:231 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}