scache - scache

scache_rnclear

bool scache_rnclear(resource session, string path)

bool $SCacheConnection->rnclear(string path)

scache_rnclear clears given path and all it's descending nodes from theirs contents.

session

Session resource returned from scache_open, scache_reset or scache_connect

path

Slash (/) separated null-terminated path on backend's session tree

TRUE on success. FALSE on failure. If node was already empty or nonexisting one, TRUE is returned, but error code is set to SCERR_NOTEXIST.

In case of failure, error codes resolvable by scache_lasterr is one of below :

SCERR_NOTEXIST Path given does not exist.
SCERR_NO_SESSION Connected session does not exist or has been expired. Connection is not valid any more.
SCERR_NO_ACCESS Caching is not allowed on assigned partition.
SCERR_LIMITS_REACHED Partition has exceeded its memory or node limits and new session cannot be created until memory is freed.
SCERR_NOT_CONNECTED Connection to backend is broken and cannot be reconnected.
SCERR_PROTOCOL Internal protocol error has occurred when communicating to backend. This indicates something is severely broken.

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