data = [$array];
}
protected static function parse($a){
$res = '';
if(is_string($a) || is_numeric($a)) return $a;
foreach ($a as $v) {
switch ($v[0]) {
case Where::STRING: $res .= $v[1]; break;
case Where::BETWEEN:
$res .= Db::quotes($v[1])." BETWEEN '".DB::mq($v[2])."' AND '".DB::mq($v[3])."'";
break;
case Where::IN:
$res .= Db::quotes($v[1])." IN ('".implode("','",DB::mqa($v[2]))."')";
break;
case Where::IN_QUERY_EXECUTE:
//$start = microtime(true);
$r = \Query::select($v[2])->execute();
$arr = [];
while($l = \DB::fetch($r)){
$arr[] = $l[$v[2][Query::SELECT]];
}
$arr = array_unique($arr);
//echo '
'.(new Query($v[2])).'
',microtime(true)-$start,'
';$start = microtime(true);
$res .= DB::quotes($v[1])." IN (".($arr?implode(",",$arr):'null').")";
break;
case Where::IN_QUERY:
$res .= DB::quotes($v[1])." IN (".\Query::select($v[2]).")";
break;
case Where::OPERATOR:
$res = Db::quotes($v[1])." ".$v[2]." '".Db::mq($v[3])."'";
break;
case Where::MATCH:
$cc = [];
foreach ($v[1] as $vv){$cc[] = DB::quotes($vv);}
$res = 'MATCH ('.implode(",",$cc).") AGAINST ('".Db::mq($v[2])."' IN BOOLEAN MODE)";
break;
case Where::IS_COLUMN_NULL:
$res = Db::quotes($v[1])." IS NULL";
break;
case Where::OPERATOR_FORCE:
$res = Db::quotes($v[1])." ".$v[2]." ".$v[3];
break;
case Where::NOT:
$vals = [];
foreach ($v[1] as $vv) {
$vals[] = self::parse([$vv]);
}
$res .= " NOT (".implode($vals).")";
break;
case Where::AND:
case Where::OR:
$type = '';
switch ($v[0]) {
case Where::AND:$type = 'AND';break;
case Where::OR:$type = 'OR';break;
}
$vals = [];
foreach ($v[1] as $vv) {
if($vv) {
$vals[] = self::parse([$vv]);
}
}
$res .= "(".implode(" ".$type." ",$vals).")";
break;
}
}
return $res;
}
protected function toJSONParse($a){
$res = [];
foreach ($a as $k=>$v){
switch (get_class($v)){
case 'Where': $v = $v?$v->toJSON():null;break;
}
if(is_array($v)){
$res[$k] = $this->toJSONParse($v);
} else {
$res[$k] = $v;
}
}
return $res;
}
function toJSON(){
$res = self::toJSONParse($this->data[0]);
return $res;
}
public function __toString() {
$res = 'WHERE '.self::parse($this->data);
return $res;
}
}