$this->resetQueryParams();
}
+ /**
+ * Blank the internal arrays with query parameters
+ */
protected function resetQueryParams() {
$this->tables = array ();
$this->where = array ();
$this->options = array ();
}
+ /**
+ * Add a set of tables to the internal array
+ * @param mixed $tables Table name or array of table names
+ * @param mixed $alias Table alias, or null for no alias. Cannot be used with multiple tables
+ */
protected function addTables($tables, $alias = null) {
if (is_array($tables)) {
if (!is_null($alias))
}
}
+ /**
+ * Add a JOIN to the internal array.
+ *
+ * Example for: a LEFT JOIN page AS b ON foo=bar RIGHT JOIN c ON foo=baz AND bar=3
+ *
+ * addJoin(array('a', 'page', 'c'), array(ApiQueryBase::LEFT_JOIN, ApiQueryBase::RIGHT_JOIN),
+ * array('foo=bar', array('foo=baz', 'bar' => 3), array(null, 'b', null))
+ * @param array $tables Array of table names
+ * @param array $types Array of join types (either LEFT_JOIN or RIGHT_JOIN)
+ * @param array $onClauses Array of ON clauses. Each element is formed like addWhere()'s parameter
+ * @param array $aliases Array of table aliases, or null for no alias
+ */
protected function addJoin($tables, $types, $onClauses, $aliases = null) {
if(is_null($aliases))
foreach($tables as $unused)
}
$this->addTables($sql);
}
-
-
+ /**
+ * Add a set of fields to select to the internal array
+ * @param mixed $value Field name or array of field names
+ */
protected function addFields($value) {
if (is_array($value))
$this->fields = array_merge($this->fields, $value);
$this->fields[] = $value;
}
+ /**
+ * Same as addFields(), but add the fields only if a condition is met
+ * @param mixed $value See addFields()
+ * @param bool $condition If false, do nothing
+ * @return bool $condition
+ */
protected function addFieldsIf($value, $condition) {
if ($condition) {
$this->addFields($value);
return false;
}
+ /**
+ * Add a set of WHERE clauses to the internal array.
+ * Clauses can be formatted as 'foo=bar' or array('foo' => 'bar'),
+ * the latter only works if the value is a constant (i.e. not another field)
+ *
+ * For example, array('foo=bar', 'baz' => 3, 'bla' => 'foo') translates
+ * to "foo=bar AND baz='3' AND bla='foo'"
+ * @param mixed $value String or array
+ */
protected function addWhere($value) {
if (is_array($value))
$this->where = array_merge($this->where, $value);
$this->where[] = $value;
}
+ /**
+ * Same as addWhere(), but add the WHERE clauses only if a condition is met
+ * @param mixed $value See addWhere()
+ * @param bool $condition If false, do nothing
+ * @return bool $condition
+ */
protected function addWhereIf($value, $condition) {
if ($condition) {
$this->addWhere($value);
return false;
}
+ /**
+ * Equivalent to addWhere(array($field => $value))
+ * @param string $field Field name
+ * @param string $value Value; ignored if nul;
+ */
protected function addWhereFld($field, $value) {
if (!is_null($value))
$this->where[$field] = $value;
}
+ /**
+ * Add a WHERE clause corresponding to a range, and an ORDER BY
+ * clause to sort in the right direction
+ * @param string $field Field name
+ * @param string $dir If 'newer', sort in ascending order, otherwise sort in descending order
+ * @param string $start Value to start the list at. If $dir == 'newer' this is the lower boundary, otherwise it's the upper boundary
+ * @param string $end Value to end the list at. If $dir == 'newer' this is the upper boundary, otherwise it's the lower boundary
+ */
protected function addWhereRange($field, $dir, $start, $end) {
$isDirNewer = ($dir === 'newer');
$after = ($isDirNewer ? '>=' : '<=');
$this->addOption('ORDER BY', $this->options['ORDER BY'] . ', ' . $order);
}
+ /**
+ * Add an option such as LIMIT or USE INDEX
+ * @param string $name Option name
+ * @param string $value Option value
+ */
protected function addOption($name, $value = null) {
if (is_null($value))
$this->options[] = $name;
$this->options[$name] = $value;
}
+ /**
+ * Execute a SELECT query based on the values in the internal arrays
+ * @param string $method Function the query should be attributed to. You should usually use __METHOD__ here
+ * @return ResultWrapper
+ */
protected function select($method) {
// getDB has its own profileDBIn/Out calls
return $res;
}
+ /**
+ * Estimate the row count for the SELECT query that would be run if we
+ * called select() right now, and check if it's acceptable.
+ * @return bool true if acceptable, false otherwise
+ */
protected function checkRowCount() {
$db = $this->getDB();
$this->profileDBIn();
return true;
}
+ /**
+ * Add information (title and namespace) about a Title object to a result array
+ * @param array $arr Result array à la ApiResult
+ * @param Title $title Title object
+ * @param string $prefix Module prefix
+ */
public static function addTitleInfo(&$arr, $title, $prefix='') {
$arr[$prefix . 'ns'] = intval($title->getNamespace());
$arr[$prefix . 'title'] = $title->getPrefixedText();
/**
* Override this method to request extra fields from the pageSet
* using $pageSet->requestField('fieldName')
+ * @param ApiPageSet $pageSet
*/
public function requestExtraData($pageSet) {
}
/**
* Get the main Query module
+ * @return ApiQuery
*/
public function getQuery() {
return $this->mQueryModule;
}
/**
- * Add sub-element under the page element with the given pageId.
+ * Add a sub-element under the page element with the given page ID
+ * @param int $pageId Page ID
+ * @param array $data Data array à la ApiResult
*/
protected function addPageSubItems($pageId, $data) {
$result = $this->getResult();
$data);
}
+ /**
+ * Set a query-continue value
+ * @param $paramName Parameter name
+ * @param $paramValue Parameter value
+ */
protected function setContinueEnumParameter($paramName, $paramValue) {
$paramName = $this->encodeParamName($paramName);
$msg = array( $paramName => $paramValue );
-
-// This is an alternative continue format as a part of the URL string
-// ApiResult :: setContent($msg, $paramName . '=' . urlencode($paramValue));
-
$this->getResult()->addValue('query-continue', $this->getModuleName(), $msg);
}
/**
* Get the Query database connection (readonly)
+ * @return Database
*/
protected function getDB() {
if (is_null($this->mDb))
* If no such connection has been requested before, it will be created.
* Subsequent calls with the same $name will return the same connection
* as the first, regardless of $db or $groups new values.
+ * @param string $name Name to assign to the database connection
+ * @param int $db One of the DB_* constants
+ * @param array $groups Query groups
+ * @return Database
*/
public function selectNamedDB($name, $db, $groups) {
$this->mDb = $this->getQuery()->getNamedDB($name, $db, $groups);
/**
* Get the PageSet object to work on
- * @return ApiPageSet data
+ * @return ApiPageSet
*/
protected function getPageSet() {
return $this->getQuery()->getPageSet();
* This is a very simplistic utility function
* to convert a non-namespaced title string to a db key.
* It will replace all ' ' with '_'
+ * @param string $title Page title with spaces
+ * @return string Page title with underscores
*/
public static function titleToKey($title) {
return str_replace(' ', '_', $title);
}
+ /**
+ * The inverse of titleToKey()
+ * @param string $key Page title with underscores
+ * @return string Page title with spaces
+ */
public static function keyToTitle($key) {
return str_replace('_', ' ', $key);
}
+ /**
+ * Check whether the current user requested a certain token and
+ * is actually allowed to request it.
+ * @param array $tokenArr Array of tokens the user requested
+ * @param string $action Action to check for
+ * @return bool true if the user requested the token and is allowed to, false otherwise
+ */
public function getTokenFlag($tokenArr, $action) {
if ($this->getMain()->getRequest()->getVal('callback') !== null) {
// Don't do any session-specific data.
return false;
}
+ /**
+ * Get version string for use in the API help output
+ * @return string
+ */
public static function getBaseVersion() {
return __CLASS__ . ': $Id$';
}
$this->mIsGenerator = false;
}
+ /**
+ * Switch this module to generator mode. By default, generator mode is
+ * switched off and the module acts like a normal query module.
+ */
public function setGeneratorMode() {
$this->mIsGenerator = true;
}
dépôts / lhc / web / wiklou.git / commitdiff