{"id":"4baba26a3add32c6","repo":"jackc/pgx","slug":"array-dimensions-describe-d-elements-but-d-were","errorCode":null,"errorMessage":"array dimensions describe %d elements but %d were parsed","messagePattern":"array dimensions describe (.+?) elements but (.+?) were parsed","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pgtype/array_codec.go","lineNumber":316,"sourceCode":"\t\terr = elementScanPlan.Scan(elemSrc, elem)\n\t\tif err != nil {\n\t\t\treturn fmt.Errorf(\"failed to scan array element %d: %w\", i, err)\n\t\t}\n\t}\n\n\treturn r.Finish()\n}\n\nfunc (c *ArrayCodec) decodeText(m *Map, arrayOID uint32, src []byte, array ArraySetter) error {\n\tuta, err := parseUntypedTextArray(string(src))\n\tif err != nil {\n\t\treturn err\n\t}\n\n\t// The element loop below indexes the value sized by SetDimensions, so the\n\t// dimensions and the parsed elements must agree.\n\tif elementCount := cardinality(uta.Dimensions); elementCount != len(uta.Elements) {\n\t\treturn fmt.Errorf(\"array dimensions describe %d elements but %d were parsed\", elementCount, len(uta.Elements))\n\t}\n\n\terr = array.SetDimensions(uta.Dimensions)\n\tif err != nil {\n\t\treturn err\n\t}\n\n\tif len(uta.Elements) == 0 {\n\t\treturn nil\n\t}\n\n\telementScanPlan := c.ElementType.Codec.PlanScan(m, c.ElementType.OID, TextFormatCode, array.ScanIndex(0))\n\tif elementScanPlan == nil {\n\t\telementScanPlan = m.PlanScan(c.ElementType.OID, TextFormatCode, array.ScanIndex(0))\n\t}\n\n\tfor i, s := range uta.Elements {\n\t\telem := array.ScanIndex(i)","sourceCodeStart":298,"sourceCodeEnd":334,"githubUrl":"https://github.com/jackc/pgx/blob/ec1a0befd22592cffffdeeb0a50311b506372f4c/pgtype/array_codec.go#L298-L334","documentation":"Error \"array dimensions describe %d elements but %d were parsed\" thrown in jackc/pgx.","triggerScenarios":"Thrown at pgtype/array_codec.go:316 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}