{"record":{"id":"4e89875d32f73e15","repo":"etcd-io/etcd","slug":"unexpected-create-revision-filter-in-delete","errorCode":null,"errorMessage":"unexpected create revision filter in delete","messagePattern":"unexpected create revision filter in delete","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"client/v3/op.go","lineNumber":291,"sourceCode":"\tret := Op{t: tDeleteRange, key: []byte(key)}\n\tret.applyOpts(opts)\n\tswitch {\n\tcase ret.leaseID != 0:\n\t\tpanic(\"unexpected lease in delete\")\n\tcase ret.limit != 0:\n\t\tpanic(\"unexpected limit in delete\")\n\tcase ret.rev != 0:\n\t\tpanic(\"unexpected revision in delete\")\n\tcase ret.sort != nil:\n\t\tpanic(\"unexpected sort in delete\")\n\tcase ret.serializable:\n\t\tpanic(\"unexpected serializable in delete\")\n\tcase ret.countOnly:\n\t\tpanic(\"unexpected countOnly in delete\")\n\tcase ret.minModRev != 0, ret.maxModRev != 0:\n\t\tpanic(\"unexpected mod revision filter in delete\")\n\tcase ret.minCreateRev != 0, ret.maxCreateRev != 0:\n\t\tpanic(\"unexpected create revision filter in delete\")\n\tcase ret.filterDelete, ret.filterPut:\n\t\tpanic(\"unexpected filter in delete\")\n\tcase ret.createdNotify:\n\t\tpanic(\"unexpected createdNotify in delete\")\n\t}\n\treturn ret\n}\n\n// OpPut returns \"put\" operation based on given key-value and operation options.\nfunc OpPut(key, val string, opts ...OpOption) Op {\n\tret := Op{t: tPut, key: []byte(key), val: []byte(val)}\n\tret.applyOpts(opts)\n\tswitch {\n\tcase ret.end != nil:\n\t\tpanic(\"unexpected range in put\")\n\tcase ret.limit != 0:\n\t\tpanic(\"unexpected limit in put\")\n\tcase ret.rev != 0:","sourceCodeStart":273,"sourceCodeEnd":309,"githubUrl":"https://github.com/etcd-io/etcd/blob/f744d457f484e9f748a0700b48ef96dcf792df33/client/v3/op.go#L273-L309","documentation":"OpDelete rejects WithMinCreateRev / WithMaxCreateRev. Create-revision filters are range-read predicates selecting keys created within a revision window; they have no meaning for a delete range. When applyOpts leaves ret.minCreateRev or ret.maxCreateRev non-zero, the constructor panics with \"unexpected create revision filter in delete\".","triggerScenarios":"clientv3.OpDelete(\"/k/\", clientv3.WithPrefix(), clientv3.WithMinCreateRev(rev)) — e.g. 'delete keys created before the backup revision'; option-slice sharing with a Get that used the same filter.","commonSituations":"Retention/GC jobs: list old keys via create-revision filters, then erroneously apply the filter to the cleanup Delete; generic option bundles in data-migration tooling.","solutions":["List with Get + WithMaxCreateRev(cutoff), then delete those explicit keys in a Txn.","If the condition is per-key, use a Txn If with CompareCreated instead.","Strip create-rev filter options from Delete calls."],"exampleFix":"// before\n_, err := cli.Delete(ctx, \"/sess/\", clientv3.WithPrefix(), clientv3.WithMaxCreateRev(cutoffRev)) // panics\n\n// after\ngr, err := cli.Get(ctx, \"/sess/\", clientv3.WithPrefix(), clientv3.WithMaxCreateRev(cutoffRev))\nvar ops []clientv3.Op\nfor _, kv := range gr.Kvs {\n    ops = append(ops, clientv3.OpDelete(string(kv.Key)))\n}\n_, err = cli.Txn(ctx).Then(ops...).Commit()","handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":["Create-revision filters are read predicates; retention deletes must target explicit keys.","Use CompareCreated in a Txn If for per-key create-revision conditions.","Split 'select stale keys' options from 'delete' options in retention code."],"tags":["go","etcd","clientv3","delete","create-revision","filter","panic","invalid-option"],"backgroundTag":null,"analyzedSha":"f744d457f484e9f748a0700b48ef96dcf792df33","analyzedAt":"2026-08-15T09:39:50.079Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}