{"record":{"id":"e64525f357e2f33e","repo":"googleapis/mcp-toolbox","slug":"unable-to-get-column-types-w-e64525","errorCode":null,"errorMessage":"unable to get column types: %w","messagePattern":"unable to get column types: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/sources/oceanbase/oceanbase.go","lineNumber":127,"sourceCode":"\t\treturn nil, fmt.Errorf(\"unable to execute query: %w\", err)\n\t}\n\n\tcols, err := results.Columns()\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"unable to retrieve rows column name: %w\", err)\n\t}\n\n\t// create an array of values for each column, which can be re-used to scan each row\n\trawValues := make([]any, len(cols))\n\tvalues := make([]any, len(cols))\n\tfor i := range rawValues {\n\t\tvalues[i] = &rawValues[i]\n\t}\n\tdefer results.Close()\n\n\tcolTypes, err := results.ColumnTypes()\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"unable to get column types: %w\", err)\n\t}\n\n\tout := []any{}\n\tfor results.Next() {\n\t\terr := results.Scan(values...)\n\t\tif err != nil {\n\t\t\treturn nil, fmt.Errorf(\"unable to parse row: %w\", err)\n\t\t}\n\t\tvMap := make(map[string]any)\n\t\tfor i, name := range cols {\n\t\t\tval := rawValues[i]\n\t\t\tif val == nil {\n\t\t\t\tvMap[name] = nil\n\t\t\t\tcontinue\n\t\t\t}\n\n\t\t\t// oceanbase uses mysql driver\n\t\t\tvMap[name], err = mysqlcommon.ConvertToType(colTypes[i], val)","sourceCodeStart":109,"sourceCodeEnd":145,"githubUrl":"https://github.com/googleapis/mcp-toolbox/blob/8cc6e09de2ad7b8bffc77751799585a1401a48eb/internal/sources/oceanbase/oceanbase.go#L109-L145","documentation":"Error \"unable to get column types: %w\" thrown in googleapis/mcp-toolbox.","triggerScenarios":"Thrown at internal/sources/oceanbase/oceanbase.go:127 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8cc6e09de2ad7b8bffc77751799585a1401a48eb","analyzedAt":"2026-09-05T01:10:36.887Z","contentChangedAt":"2026-09-05T01:10:36.887Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}