memcachedConnection (Type of variable)

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Properties specific to the description of memcachedConnection variables
WLanguage functions that use the memcachedConnection type

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Memcached functions

memcachedConnection (Type of variable)

In french: memcachedConnexion

The memcachedConnection type is used to define the characteristics of a connection to a Memcached server. The characteristics of this connection can be defined and modified by several WLanguage properties.

Remark: See Declaring a variable for more details on the declaration of this type of variable and the use of WLanguage properties.

Example

// Declare a connection via the memcachedConnection type
memConnection is memcachedConnection
memConnection..Server[1]..Name = "MyServer"
memConnection..SupportCAS = True
memConnection..BinaryProtocol = True
// Use the connection
Trace(MemcachedGet(memConnection, "mykey"))

Remarks

Properties specific to the description of memcachedConnection variables

The following properties can be used to handle a connection to a memcached cache:


Property name		Type used	Effect
Password		Character string	Connection password (used when connecting to a memcached server with authentication).
Namespace		Character string	Prefix used for the keys stored on the server.
BinaryProtocol		Boolean	Communication protocol between the memcached server and the client: True (default value) if the memcached server is using a binary communication protocol, False if the memcached server is using a text communication protocol. Remark: the binary communication protocol proposes better performances and additional features.
Server		Array	Characteristics of memcached servers used.
	Server[n]..Name	Character string	Server name.
	Server[n]..Weight	Integer	Server weight.
	Server[n]..Port	Integer	Server port.
SupportCAS		Boolean	Support for CAS: True if CAS supported. False otherwise. Remark: CAS (Check And Set) is used to perform a data modification only if this data was not modified since its last reading.
ConnectionTimeout		Integer	Maximum time-out for connecting to the memcached server (expressed in milliseconds). Corresponds to 10 000 by default.
User		Character string	User (used when connecting to a memcached server with authentication).

Remark: These properties can be handled by using one of the following syntaxes:

<Variable name>..<Property name>
<Variable name>.<Property name>

WLanguage functions that use the memcachedConnection type


Versions 23 and later MemcachedAdd New in version 23 MemcachedAdd MemcachedAdd	Adds a new key/value couple into the Memcached cache.
Versions 23 and later MemcachedAddKeyGroup New in version 23 MemcachedAddKeyGroup MemcachedAddKeyGroup	Adds a new key/value couple into the Memcached cache on a group of servers.
Versions 23 and later MemcachedAddPrefix New in version 23 MemcachedAddPrefix MemcachedAddPrefix	Adds a value at the start of existing value in the cache for the given key.
Versions 23 and later MemcachedAddPrefixKeyGroup New in version 23 MemcachedAddPrefixKeyGroup MemcachedAddPrefixKeyGroup	Adds a value at the start of existing value in the cache for the given key on a group of servers.
Versions 23 and later MemcachedAddSuffix New in version 23 MemcachedAddSuffix MemcachedAddSuffix	Adds a value at the end of existing value in the cache for the given key.
Versions 23 and later MemcachedAddSuffixKeyGroup New in version 23 MemcachedAddSuffixKeyGroup MemcachedAddSuffixKeyGroup	Adds a value at the end of existing value in the cache for the given key on a group of servers.
Versions 23 and later MemcachedAssign New in version 23 MemcachedAssign MemcachedAssign	Modifies a key/value couple in the Memcached cache: If the key exists, the value is modified. If the key does not exist, the key/value couple is added.
Versions 23 and later MemcachedAssignKeyGroup New in version 23 MemcachedAssignKeyGroup MemcachedAssignKeyGroup	Modifies a key/value couple in the Memcached cache on a group of servers: If the key exists, the value is modified. If the key does not exist, the key/value couple is added.
Versions 23 and later MemcachedCAS New in version 23 MemcachedCAS MemcachedCAS	Modifies the value of a key if this one was not modified.
Versions 23 and later MemcachedCASKeyGroup New in version 23 MemcachedCASKeyGroup MemcachedCASKeyGroup	Modifies the value of a key on a group of servers if this one was not modified.
Versions 23 and later MemcachedDecrement New in version 23 MemcachedDecrement MemcachedDecrement	Decrements the value associated with a key. The key is created if it does not exist.
Versions 23 and later MemcachedDecrementKeyGroup New in version 23 MemcachedDecrementKeyGroup MemcachedDecrementKeyGroup	Decrements the value associated with a key on a group of servers.
Versions 23 and later MemcachedDelete New in version 23 MemcachedDelete MemcachedDelete	Deletes a key from the Memcached cache.
Versions 23 and later MemcachedDeleteKeyGroup New in version 23 MemcachedDeleteKeyGroup MemcachedDeleteKeyGroup	Deletes a key from the Memcached cache on a group of servers.
Versions 23 and later MemcachedGetKeyGroup New in version 23 MemcachedGetKeyGroup MemcachedGetKeyGroup	Retrieves the values of keys stored on a group of Memcached servers.
Versions 23 and later MemcachedIncrement New in version 23 MemcachedIncrement MemcachedIncrement	Increments the value associated with a key.
Versions 23 and later MemcachedIncrementKeyGroup New in version 23 MemcachedIncrementKeyGroup MemcachedIncrementKeyGroup	Increments the value associated with a key on a group of servers.
Versions 23 and later MemcachedModifieGroupeClé New in version 23 MemcachedModifieGroupeClé MemcachedModifieGroupeClé	Modifies a key/value couple in the Memcached cache on a group of servers.
Versions 23 and later MemcachedModify New in version 23 MemcachedModify MemcachedModify	Modifies a key/value couple in the Memcached cache.
Versions 23 and later MemcacheGet New in version 23 MemcacheGet MemcacheGet	Retrieves the values of keys stored on a Memcached server.