DBHASH_EXIST(1e)

NAME

dbhash_exist - Check if a key exist in the database

SYNOPSIS

dbhash_exist (db:pointer, key:string);

DESCRIPTION

This function check a key from the database.

PARAMETERS

db
Pointer to database
key
Key

RETURN

boolean

MODULES

To use this module, you must specify the following in /usr/local/website/site.conf:

Module hash {
    Library : "/usr/local/lib/libsndbhash.so"
    Init : "sndbhash_init"
}

EXAMPLES

hash = dbhash_open("/hash/test.db");

ret = dbhash_put(db:hash,key:"cookie",value:"aurhfqiuwrhf");

dbhash_get(db:hash,key:"cookie");

if dbhash_exist(db:hash,key:"cookie") then ... endif

dbhash_close(hash);

AUTHOR

Written by Pierre Laplante, <laplante@sednove.com>

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See also

dbhash_​close

Close a database of type key/data.

dbhash_​delete

Delete  a key from the database.

dbhash_​get

Return a value from the database.

dbhash_​open

Open a database of type key/data.

dbhash_​put

Insert a value in the database.