Issue #3313529 by kbeck303, EPAM Systems: "Is empty (NULL)" and "Is not empty... (88e353b1) · Commits · project / views_alias_filter

src/Plugin/views/filter/UrlAliasFilter.php

+19 −5

Original line number	Diff line number	Diff line
		@@ -44,13 +44,18 @@ class UrlAliasFilter extends StringFilter {
		$nids[] = str_replace('/node/', '', $path);
		}

		if ($nids) {
		if (count($nids) === 0) {
		// If aliases was not found then add the condition to return nothing.
		$this->query->addWhere($this->options['group'], (new Condition('AND'))->alwaysFalse());
		}
		else {
		$field = "$this->tableAlias.$this->realField";
		$this->query->addWhere($this->options['group'], $field, $nids, 'IN');
		if ($this->operator === 'empty') {
		$this->query->addWhere($this->options['group'], $field, $nids, 'NOT IN');
		}
		else {
		// If aliases was not found then add the condition to return nothing.
		$this->query->addWhere($this->options['group'], (new Condition('AND'))->alwaysFalse());
		$this->query->addWhere($this->options['group'], $field, $nids, 'IN');
		}
		}
		}

		@@ -170,4 +175,13 @@ class UrlAliasFilter extends StringFilter {
		$this->queryPaths->condition($field, $this->value, 'REGEXP');
		}

		/**
		* We do not add additional condition for opEmpty operator here.
		*
		* "addWhere" for "empty" operator added in the "query()" function.
		* Just override this method and leave it empty (to avoid an error).
		*/
		protected function opEmpty($field) {
		}

		}

+1 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@ function views_alias_filter_views_data_alter(array &$data) {
		'help' => t('Filtering nodes by URL aliases.'),
		'field' => 'nid',
		'id' => 'url_alias_filter',
		'allow empty' => TRUE,
		],
		];
		}