Shogo Ichinose
and 1 contributors

NAME

Redis::Transaction - utilities for handling transactions of Redis

SYNOPSIS

    use Redis;
    use Redis::Transaction qw/multi_exec watch_multi_exec/;
    
    # atomically increment foo and bar. It will execute following commands typically.
    # > MULTI
    # > INCR foo
    # > INCR bar
    # > EXEC
    multi_exec Redis->new, 10, sub {
        my $redis = shift;
        $redis->incr('foo');
        $redis->incr('bar');
    };
    
    # atomically increment the value of a key by 1 (let's suppose Redis doesn't have INCR).
    # It will execute following commands typically.
    # > WATCH mykey
    # > GET mykey
    # > MULTI
    # > SET mykey, 1
    # > EXEC
    watch_multi_exec Redis->new, ['mykey'], 10, sub {
        my $redis = shift;
        return $redis->get('mykey');
    }, sub {
        my ($redis, $value) = @_;
        $redis->set('mykey', $value + 1);
    };

DESCRIPTION

Redis::Transaction is utilities for handling transactions of Redis.

FUNCTIONS

multi_exec($redis:Redis, $retry_count:Int, $code:Code)

Queue commands and execute them atomically.

watch_multi_exec($redis:Redis, $watch_keys:ArrayRef, $retry_count:Int, $watch_code:Code, $exec_code:Code)

Queue commands and execute them atomically. watch_multi_exec will retry $watch_code and $exec_code if $watch_keys are changed by another client.

SEE ALSO

LICENSE

Copyright (C) Ichinose Shogo.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR

Ichinose Shogo <shogo82148@gmail.com>