/**
* Prepare lua search script for greedy search type
* @return string
*/
protected function scriptBuilderGreedy()
{
$pattern = Redisman::quoteValue($this->pattern);
$typecond = $this->typeCondBuilder();
$scriptScan = <<<EOF
local all_keys = {};
local keys = {};
local done = false;
local cursor = "0"
local count=0;
local size=0
local tp
repeat
local result = redis.call("SCAN", cursor, "match", {$pattern}, "count", 50)
cursor = result[1];
keys = result[2];
for i, key in ipairs(keys) do
tp=redis.call("TYPE", key)["ok"]
if {$typecond} then
if tp == "string" then
size=redis.call("STRLEN", key)
elseif tp == "hash" then
size=redis.call("HLEN", key)
elseif tp == "list" then
size=redis.call("LLEN", key)
elseif tp == "set" then
size=redis.call("SCARD", key)
elseif tp == "zset" then
size=redis.call("ZCARD", key)
else
size=9999
end
all_keys[#all_keys+1] = {key, tp, size, redis.call("TTL", key)};
end
if {$typecond} then
count=count+1
end
end
if cursor == "0" then
done = true;
end
until done
all_keys[#all_keys+1]=count;
return all_keys;
EOF;
$scriptKeys = <<<EOF
local all_keys = {};
local count=0;
local size=0
local tp
local result = redis.call("KEYS", {$pattern})
for i, key in ipairs(result) do
tp=redis.call("TYPE", key)["ok"]
if {$typecond} then
if tp == "string" then
size=redis.call("STRLEN", key)
elseif tp == "hash" then
size=redis.call("HLEN", key)
elseif tp == "list" then
size=redis.call("LLEN", key)
elseif tp == "set" then
size=redis.call("SCARD", key)
elseif tp == "zset" then
size=redis.call("ZCARD", key)
else
size=9999
end
all_keys[#all_keys+1] = {key, tp, size, redis.call("TTL", key)};
end
if {$typecond} then
count=count+1
end
end
all_keys[#all_keys+1]=count;
return all_keys;
EOF;
return Redisman::getInstance()->searchMethod == 'SCAN' ? $scriptScan : $scriptKeys;
}
/**
* Delete key
*/
public function delete()
{
$event = new ModifyEvent();
$event->key = $this->key;
$event->operation = 'delete';
$event->connection = Redisman::getInstance()->getCurrentConn();
$event->db = Redisman::getInstance()->getCurrentDb();
$event->command = Html::encode('DEL ' . $this->key);
Redisman::getInstance()->executeCommand('DEL', [$this->key]);
$this->onAfterChange($event);
}
