{"id":"e4a1ee559b37f287","repo":"jackc/pgx","slug":"unknown-queryexecmode-v","errorCode":null,"errorMessage":"unknown QueryExecMode: %v","messagePattern":"unknown QueryExecMode: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"conn.go","lineNumber":580,"sourceCode":"\t\t\tif err != nil {\n\t\t\t\treturn pgconn.CommandTag{}, err\n\t\t\t}\n\t\t\tc.descriptionCache.Put(sd)\n\t\t}\n\n\t\treturn c.execParams(ctx, sd, arguments)\n\tcase QueryExecModeDescribeExec:\n\t\tsd, err := c.Prepare(ctx, \"\", sql)\n\t\tif err != nil {\n\t\t\treturn pgconn.CommandTag{}, err\n\t\t}\n\t\treturn c.execPrepared(ctx, sd, arguments)\n\tcase QueryExecModeExec:\n\t\treturn c.execSQLParams(ctx, sql, arguments)\n\tcase QueryExecModeSimpleProtocol:\n\t\treturn c.execSimpleProtocol(ctx, sql, arguments)\n\tdefault:\n\t\treturn pgconn.CommandTag{}, fmt.Errorf(\"unknown QueryExecMode: %v\", mode)\n\t}\n}\n\nfunc (c *Conn) execSimpleProtocol(ctx context.Context, sql string, arguments []any) (commandTag pgconn.CommandTag, err error) {\n\tif len(arguments) > 0 {\n\t\tsql, err = c.sanitizeForSimpleQuery(sql, arguments...)\n\t\tif err != nil {\n\t\t\treturn pgconn.CommandTag{}, err\n\t\t}\n\t}\n\n\tmrr := c.pgConn.Exec(ctx, sql)\n\tfor mrr.NextResult() {\n\t\tcommandTag, _ = mrr.ResultReader().Close()\n\t}\n\terr = mrr.Close()\n\treturn commandTag, err\n}","sourceCodeStart":562,"sourceCodeEnd":598,"githubUrl":"https://github.com/jackc/pgx/blob/ec1a0befd22592cffffdeeb0a50311b506372f4c/conn.go#L562-L598","documentation":"Error \"unknown QueryExecMode: %v\" thrown in jackc/pgx.","triggerScenarios":"Thrown at conn.go:580 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}