Method: Redis::Commands::Scripting#eval

Defined in:

lib/redis/commands/scripting.rb

#eval(*args) ⇒ Object

Evaluate Lua script.

Examples:

EVAL without KEYS nor ARGV

redis.eval("return 1")
  # => 1

EVAL with KEYS and ARGV as array arguments

redis.eval("return { KEYS, ARGV }", ["k1", "k2"], ["a1", "a2"])
  # => [["k1", "k2"], ["a1", "a2"]]

EVAL with KEYS and ARGV in a hash argument

redis.eval("return { KEYS, ARGV }", :keys => ["k1", "k2"], :argv => ["a1", "a2"])
  # => [["k1", "k2"], ["a1", "a2"]]

Parameters:

• keys (Array<String>) —

  optional array with keys to pass to the script

• argv (Array<String>) —

  optional array with arguments to pass to the script

• options (Hash) —
  • :keys => Array<String>: optional array with keys to pass to the script
  • :argv => Array<String>: optional array with arguments to pass to the script

Returns:

• depends on the script

See Also:

• #script
• #evalsha

[View on GitHub]

# File 'lib/redis/commands/scripting.rb', line 71

def eval(*args)
  _eval(:eval, args)
end