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| author | dormando <dormando@rydia.net> | 2021-12-17 17:09:25 -0800 |
|---|---|---|
| committer | dormando <dormando@rydia.net> | 2022-01-12 14:04:32 -0800 |
| commit | 387eea042254585a776fcfba62c5257f317ce663 (patch) | |
| tree | 271d6677217bac43511c93bc2a96911b31a04f64 /doc | |
| parent | e74f1cbadc995db0470767be03ad8832551222c7 (diff) | |
| download | memcached-387eea042254585a776fcfba62c5257f317ce663.tar.gz | |
meta: protocol.txt updates for CAS return
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/protocol.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/protocol.txt b/doc/protocol.txt index 0c640e0..5fceccc 100644 --- a/doc/protocol.txt +++ b/doc/protocol.txt @@ -712,6 +712,7 @@ with CAS semantics did not exist. The flags used by the 'ms' command are: - b: interpret key as base64 encoded binary value (see metaget) +- c: return CAS value if successfully stored. - C(token): compare CAS value when storing item - F(token): set client flags to token (32 bit unsigned numeric) - I: invalidate. set-to-invalid if supplied CAS is older than item's CAS @@ -723,6 +724,10 @@ The flags used by the 'ms' command are: The flags are now repeated with detailed information where useful: +- c: returns the CAS value on successful storage. Will return 0 on error, but + clients must not depend on the return value being zero. In future versions +this may return the current CAS value for "EX" return code conditions. + - C(token): compare CAS value when storing item Similar to the basic "cas" command, only store item if the supplied token @@ -873,7 +878,7 @@ The flags used by the 'ma' command are: - M(token): mode switch to change between incr and decr modes. - q: use noreply semantics for return codes (see details under mset) - t: return current TTL -- c: return current CAS +- c: return current CAS value if successful. - v: return new value The flags are now repeated with detailed information where useful: |