I had tried to compile the magento with this command sudo php bin/magento setup:di:compile when compiling process i had an error on one module as below
Errors during compilation: Smartwave\Dailydeals\Model\ResourceModel\Dailydeal\Grid\Collection Incompatible argument type: Required type: \Magento\Framework\DB\Adapter\AdapterInterface. Actual type: \Smartwave\Dailydeals\Model\ResourceModel\Dailydeal\Grid\connection; File: /var/www/times/app/code/Smartwave/Dailydeals/Model/ResourceModel/Dailydeal/Grid/Collection.php
my collection.php file is below,
<?php namespace Smartwave\Dailydeals\Model\ResourceModel\Dailydeal\Grid; class Collection extends \Smartwave\Dailydeals\Model\ResourceModel\Dailydeal\Collection implements \Magento\Framework\Api\Search\SearchResultInterface { /** * Aggregations * * @var \Magento\Framework\Search\AggregationInterface */ protected $aggregations; /** * constructor * * @param \Magento\Framework\Data\Collection\EntityFactoryInterface $entityFactory * @param \Psr\Log\LoggerInterface $logger * @param \Magento\Framework\Data\Collection\Db\FetchStrategyInterface $fetchStrategy * @param \Magento\Framework\Event\ManagerInterface $eventManager * @param $mainTable * @param $eventPrefix * @param $eventObject * @param $resourceModel * @param $model * @param $connection * @param \Magento\Framework\Model\ResourceModel\Db\AbstractDb $resource */ public function __construct( \Magento\Framework\Data\Collection\EntityFactoryInterface $entityFactory, \Psr\Log\LoggerInterface $logger, \Magento\Framework\Data\Collection\Db\FetchStrategyInterface $fetchStrategy, \Magento\Framework\Event\ManagerInterface $eventManager, $mainTable, $eventPrefix, $eventObject, $resourceModel, $model = 'Magento\Framework\View\Element\UiComponent\DataProvider\Document', $connection = null, \Magento\Framework\Model\ResourceModel\Db\AbstractDb $resource = null ) { parent::__construct($entityFactory, $logger, $fetchStrategy, $eventManager, $connection, $resource); $this->_eventPrefix = $eventPrefix; $this->_eventObject = $eventObject; $this->_init($model, $resourceModel); $this->setMainTable($mainTable); } /** * @return \Magento\Framework\Search\AggregationInterface */ public function getAggregations() { return $this->aggregations; } /** * @param \Magento\Framework\Search\AggregationInterface $aggregations * @return $this */ public function setAggregations($aggregations) { $this->aggregations = $aggregations; } /** * Retrieve all ids for collection * Backward compatibility with EAV collection * * @param int $limit * @param int $offset * @return array */ public function getAllIds($limit = null, $offset = null) { return $this->getConnection()->fetchCol($this->_getAllIdsSelect($limit, $offset), $this->_bindParams); } /** * Get search criteria. * * @return \Magento\Framework\Api\SearchCriteriaInterface|null */ public function getSearchCriteria() { return null; } /** * Set search criteria. * * @param \Magento\Framework\Api\SearchCriteriaInterface $searchCriteria * @return $this * @SuppressWarnings(PHPMD.UnusedFormalParameter) */ public function setSearchCriteria(\Magento\Framework\Api\SearchCriteriaInterface $searchCriteria = null) { return $this; } /** * Get total count. * * @return int */ public function getTotalCount() { return $this->getSize(); } /** * Set total count. * * @param int $totalCount * @return $this * @SuppressWarnings(PHPMD.UnusedFormalParameter) */ public function setTotalCount($totalCount) { return $this; } /** * Set items list. * * @param \Magento\Framework\Api\ExtensibleDataInterface[] $items * @return $this * @SuppressWarnings(PHPMD.UnusedFormalParameter) */ public function setItems(array $items = null) { return $this; } } And my Smartwave/Dailydeals/Model/ResourceModel/Dailydeal/collection file is below,
<?php namespace Smartwave\Dailydeals\Model\ResourceModel\Dailydeal; class Collection extends \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection { /** * ID Field Name * * @var string */ protected $_idFieldName = 'dailydeal_id'; /** * Event prefix * * @var string */ protected $_eventPrefix = 'sw_dailydeals_dailydeal_collection'; /** * Event object * * @var string */ protected $_eventObject = 'dailydeal_collection'; /** * Define resource model * * @return void */ protected function _construct() { $this->_init('Smartwave\Dailydeals\Model\Dailydeal', 'Smartwave\Dailydeals\Model\ResourceModel\Dailydeal'); } /** * Get SQL for get record count. * Extra GROUP BY strip added. * * @return \Magento\Framework\DB\Select */ public function getSelectCountSql() { $countSelect = parent::getSelectCountSql(); $countSelect->reset(\Zend_Db_Select::GROUP); return $countSelect; } /** * @param string $valueField * @param string $labelField * @param array $additional * @return array */ protected function _toOptionArray($valueField = 'dailydeal_id', $labelField = 'sw_product_sku', $additional = []) { return parent::_toOptionArray($valueField, $labelField, $additional); } } 
