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.TH "MEMCACHED_FETCH" "3" "August 02, 2012" "1.0.10" "libmemcached"
.SH NAME
memcached_fetch \- Retrieving data from the server
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.SH SYNOPSIS
.sp
#include <libmemcached/memcached.h>
.INDENT 0.0
.TP
.B char *memcached_fetch(memcached_st\fI\ *ptr\fP, char\fI\ *key\fP, size_t\fI\ *key_length\fP, size_t\fI\ *value_length\fP, uint32_t\fI\ *flags\fP, memcached_return_t\fI\ *error\fP)
Deprecated since version 0.50: Use \fBmemcached_fetch_result()\fP instead.
.UNINDENT
.sp
Compile and link with \-lmemcached
.SH DESCRIPTION
.sp
\fI\%memcached_fetch()\fP is used to fetch an individual value from the server. \fBmemcached_mget()\fP must always be called before using this method.
You must pass in a key and its length to fetch the object. You must supply
three pointer variables which will give you the state of the returned
object. A \fBuint32_t\fP pointer to contain whatever flags you stored with the value, a \fBsize_t\fP pointer which will be filled with size of of the
object, and a \fBmemcached_return_t\fP pointer to hold any error. The
object will be returned upon success and NULL will be returned on failure. \fBMEMCACHED_END\fP is returned by the *error value when all objects that have been found are returned. The final value upon \fBMEMCACHED_END\fP is null.
.sp
Values returned by \fI\%memcached_fetch()\fP must be freed by the caller.
.sp
All of the above functions are not tested when the
\fBMEMCACHED_BEHAVIOR_USE_UDP\fP has been set. Executing any of these
functions with this behavior on will result in \fBMEMCACHED_NOT_SUPPORTED\fP being returned, or for those functions which do not return a \fBmemcached_return_t\fP, the error function parameter will be set to \fBMEMCACHED_NOT_SUPPORTED\fP.
.SH RETURN
.sp
\fI\%memcached_fetch()\fP sets error to
to \fBMEMCACHED_END\fP upon successful conclusion.
\fBMEMCACHED_NOTFOUND\fP will be return if no keys at all were found.
.sp
\fBMEMCACHED_KEY_TOO_BIG\fP is set to error whenever \fI\%memcached_fetch()\fP was used
and the key was set larger then \fBMEMCACHED_MAX_KEY\fP, which was the largest
key allowed for the original memcached ascii server.
.SH HOME
.sp
To find out more information please check:
\fI\%http://libmemcached.org/\fP
.SH SEE ALSO
.sp
\fImemcached(1)\fP \fIlibmemcached(3)\fP \fImemcached_strerror(3)\fP \fImemcached_fetch_result(3)\fP
.SH AUTHOR
Brian Aker
.SH COPYRIGHT
2011, Brian Aker DataDifferential, http://datadifferential.com/
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