PHP Criteria::getSelectColumns方法代码示例

 public static function doSelectRS(Criteria $criteria, $con = null)
 {
     if ($con === null) {
         $con = Propel::getConnection(self::DATABASE_NAME);
     }
     if (!$criteria->getSelectColumns()) {
         $criteria = clone $criteria;
         LorfieldsPeer::addSelectColumns($criteria);
     }
     $criteria->setDbName(self::DATABASE_NAME);
     return BasePeer::doSelect($criteria, $con);
 }

 /**
  * Ensures uniqueness of select column names by turning them all into aliases
  * This is necessary for queries on more than one table when the tables share a column name
  * Moved from BasePeer to DBAdapter and turned from static to non static
  *
  * @see http://propel.phpdb.org/trac/ticket/795
  *
  * @param     Criteria  $criteria
  * @return    Criteria  The input, with Select columns replaced by aliases
  */
 public function turnSelectColumnsToAliases(Criteria $criteria)
 {
     $selectColumns = $criteria->getSelectColumns();
     // clearSelectColumns also clears the aliases, so get them too
     $asColumns = $criteria->getAsColumns();
     $criteria->clearSelectColumns();
     $columnAliases = $asColumns;
     // add the select columns back
     foreach ($selectColumns as $clause) {
         // Generate a unique alias
         $baseAlias = preg_replace('/\\W/', '_', $clause);
         $alias = $baseAlias;
         // If it already exists, add a unique suffix
         $i = 0;
         while (isset($columnAliases[$alias])) {
             $i++;
             $alias = $baseAlias . '_' . $i;
         }
         // Add it as an alias
         $criteria->addAsColumn($alias, $clause);
         $columnAliases[$alias] = $clause;
     }
     // Add the aliases back, don't modify them
     foreach ($asColumns as $name => $clause) {
         $criteria->addAsColumn($name, $clause);
     }
     return $criteria;
 }

 /**
  * Prepares the Criteria object and uses the parent doSelect()
  * method to get a ResultSet.
  *
  * Use this method directly if you want to just get the resultset
  * (instead of an array of objects).
  *
  * @param      Criteria $criteria The Criteria object used to build the SELECT statement.
  * @param      Connection $con the connection to use
  * @throws     PropelException Any exceptions caught during processing will be
  *       rethrown wrapped into a PropelException.
  * @return     ResultSet The resultset object with numerically-indexed fields.
  * @see        BasePeer::doSelect()
  */
 public static function doSelectRS(Criteria $criteria, $con = null)
 {
     if ($con === null) {
         $con = Propel::getConnection(self::DATABASE_NAME);
     }
     if (!$criteria->getSelectColumns()) {
         $criteria = clone $criteria;
         BpmnProjectPeer::addSelectColumns($criteria);
     }
     // Set the correct dbName
     $criteria->setDbName(self::DATABASE_NAME);
     // BasePeer returns a Creole ResultSet, set to return
     // rows indexed numerically.
     return BasePeer::doSelect($criteria, $con);
 }

 /**
  * Add the content of a Criteria to the current Criteria
  * In case of conflict, the current Criteria keeps its properties
  *
  * @param     Criteria $criteria The criteria to read properties from
  * @param     string $operator The logical operator used to combine conditions
  *            Defaults to Criteria::LOGICAL_AND, also accapts Criteria::LOGICAL_OR
  *            This parameter is deprecated, use _or() instead
  *
  * @return    Criteria The current criteria object
  */
 public function mergeWith(Criteria $criteria, $operator = null)
 {
     // merge limit
     $limit = $criteria->getLimit();
     if ($limit != 0 && $this->getLimit() == 0) {
         $this->limit = $limit;
     }
     // merge offset
     $offset = $criteria->getOffset();
     if ($offset != 0 && $this->getOffset() == 0) {
         $this->offset = $offset;
     }
     // merge select modifiers
     $selectModifiers = $criteria->getSelectModifiers();
     if ($selectModifiers && !$this->selectModifiers) {
         $this->selectModifiers = $selectModifiers;
     }
     // merge select columns
     $this->selectColumns = array_merge($this->getSelectColumns(), $criteria->getSelectColumns());
     // merge as columns
     $commonAsColumns = array_intersect_key($this->getAsColumns(), $criteria->getAsColumns());
     if (!empty($commonAsColumns)) {
         throw new PropelException('The given criteria contains an AsColumn with an alias already existing in the current object');
     }
     $this->asColumns = array_merge($this->getAsColumns(), $criteria->getAsColumns());
     // merge orderByColumns
     $orderByColumns = array_merge($this->getOrderByColumns(), $criteria->getOrderByColumns());
     $this->orderByColumns = array_unique($orderByColumns);
     // merge groupByColumns
     $groupByColumns = array_merge($this->getGroupByColumns(), $criteria->getGroupByColumns());
     $this->groupByColumns = array_unique($groupByColumns);
     // merge where conditions
     if ($operator == Criteria::LOGICAL_OR) {
         $this->_or();
     }
     $isFirstCondition = true;
     foreach ($criteria->getMap() as $key => $criterion) {
         if ($isFirstCondition && $this->defaultCombineOperator == Criteria::LOGICAL_OR) {
             $this->addOr($criterion, null, null, false);
             $this->defaultCombineOperator == Criteria::LOGICAL_AND;
         } elseif ($this->containsKey($key)) {
             $this->addAnd($criterion);
         } else {
             $this->add($criterion);
         }
         $isFirstCondition = false;
     }
     // merge having
     if ($having = $criteria->getHaving()) {
         if ($this->getHaving()) {
             $this->addHaving($this->getHaving()->addAnd($having));
         } else {
             $this->addHaving($having);
         }
     }
     // merge alias
     $commonAliases = array_intersect_key($this->getAliases(), $criteria->getAliases());
     if (!empty($commonAliases)) {
         throw new PropelException('The given criteria contains an alias already existing in the current object');
     }
     $this->aliases = array_merge($this->getAliases(), $criteria->getAliases());
     // merge join
     $this->joins = array_merge($this->getJoins(), $criteria->getJoins());
     return $this;
 }

 public function testMergeWithSelectColumns()
 {
     $c1 = new Criteria();
     $c1->addSelectColumn(BookPeer::TITLE);
     $c1->addSelectColumn(BookPeer::ID);
     $c2 = new Criteria();
     $c1->mergeWith($c2);
     $this->assertEquals(array(BookPeer::TITLE, BookPeer::ID), $c1->getSelectColumns(), 'mergeWith() does not remove an existing select columns');
     $c1 = new Criteria();
     $c2 = new Criteria();
     $c2->addSelectColumn(BookPeer::TITLE);
     $c2->addSelectColumn(BookPeer::ID);
     $c1->mergeWith($c2);
     $this->assertEquals(array(BookPeer::TITLE, BookPeer::ID), $c1->getSelectColumns(), 'mergeWith() merges the select columns to an empty select');
     $c1 = new Criteria();
     $c1->addSelectColumn(BookPeer::TITLE);
     $c2 = new Criteria();
     $c2->addSelectColumn(BookPeer::ID);
     $c1->mergeWith($c2);
     $this->assertEquals(array(BookPeer::TITLE, BookPeer::ID), $c1->getSelectColumns(), 'mergeWith() merges the select columns after the existing select columns');
     $c1 = new Criteria();
     $c1->addSelectColumn(BookPeer::TITLE);
     $c2 = new Criteria();
     $c2->addSelectColumn(BookPeer::TITLE);
     $c1->mergeWith($c2);
     $this->assertEquals(array(BookPeer::TITLE, BookPeer::TITLE), $c1->getSelectColumns(), 'mergeWith() merges the select columns to an existing select, even if duplicated');
 }

 /**
  * Prepares the Criteria object and uses the parent doSelect()
  * method to get a ResultSet.
  *
  * Use this method directly if you want to just get the resultset
  * (instead of an array of objects).
  *
  * @param Criteria $criteria The Criteria object used to build the SELECT statement.
  * @param Connection $con the connection to use
  * @throws PropelException Any exceptions caught during processing will be
  * rethrown wrapped into a PropelException.
  * @return ResultSet The resultset object with numerically-indexed fields.
  * @see BasePeer::doSelect()
  */
 public static function doSelectRS(Criteria $criteria, $con = null)
 {
     global $_DBArray;
     if (!isset($_DBArray)) {
         $_DBArray = $_SESSION['_DBArray'];
     }
     $tableName = $criteria->getDBArrayTable();
     if (!isset($_DBArray[$tableName])) {
         throw new Exception("Error: the table '{$tableName}' doesn't exist in DBArray ");
     }
     $arrayTable = $_DBArray[$tableName];
     if ($con === null) {
         $con = Propel::getConnection(self::DATABASE_NAME);
     }
     if (!$criteria->getSelectColumns()) {
         foreach (array_keys($_DBArray[$tableName][0]) as $key => $val) {
             $criteria->addSelectColumn($tableName . '.' . $val);
         }
     }
     // Set the correct dbName
     $criteria->setDbName(self::DATABASE_NAME);
     // BasePeer returns a Creole ResultSet, set to return
     // rows indexed numerically.
     return ArrayBasePeer::doSelect($criteria, $tableName, $con);
 }

 /**
  * Method to create an SQL query based on values in a Criteria.
  *
  * This method creates only prepared statement SQL (using ? where values
  * will go).  The second parameter ($params) stores the values that need
  * to be set before the statement is executed.  The reason we do it this way
  * is to let the Creole layer handle all escaping & value formatting.
  *
  * @param Criteria $criteria Criteria for the SELECT query.
  * @param array &$params Parameters that are to be replaced in prepared statement.
  * @return string
  * @throws PropelException Trouble creating the query string.
  */
 public static function createSelectSql(Criteria $criteria, &$params)
 {
     $db = Propel::getDB($criteria->getDbName());
     $dbMap = Propel::getDatabaseMap($criteria->getDbName());
     // redundant definition $selectModifiers = array();
     $selectClause = array();
     $fromClause = array();
     $joinClause = array();
     $joinTables = array();
     $whereClause = array();
     $orderByClause = array();
     // redundant definition $groupByClause = array();
     $orderBy = $criteria->getOrderByColumns();
     $groupBy = $criteria->getGroupByColumns();
     $ignoreCase = $criteria->isIgnoreCase();
     $select = $criteria->getSelectColumns();
     $aliases = $criteria->getAsColumns();
     // simple copy
     $selectModifiers = $criteria->getSelectModifiers();
     // get selected columns
     foreach ($select as $columnName) {
         // expect every column to be of "table.column" formation
         // it could be a function:  e.g. MAX(books.price)
         $tableName = null;
         $selectClause[] = $columnName;
         // the full column name: e.g. MAX(books.price)
         $parenPos = strpos($columnName, '(');
         $dotPos = strpos($columnName, '.');
         // [HL] I think we really only want to worry about adding stuff to
         // the fromClause if this function has a TABLE.COLUMN in it at all.
         // e.g. COUNT(*) should not need this treatment -- or there needs to
         // be special treatment for '*'
         if ($dotPos !== false) {
             if ($parenPos === false) {
                 // table.column
                 $tableName = substr($columnName, 0, $dotPos);
             } else {
                 // FUNC(table.column)
                 $tableName = substr($columnName, $parenPos + 1, $dotPos - ($parenPos + 1));
                 // functions may contain qualifiers so only take the last
                 // word as the table name.
                 // COUNT(DISTINCT books.price)
                 $lastSpace = strpos($tableName, ' ');
                 if ($lastSpace !== false) {
                     // COUNT(DISTINCT books.price)
                     $tableName = substr($tableName, $lastSpace + 1);
                 }
             }
             $tableName2 = $criteria->getTableForAlias($tableName);
             if ($tableName2 !== null) {
                 $fromClause[] = $tableName2 . ' ' . $tableName;
             } else {
                 $fromClause[] = $tableName;
             }
         }
         // if $dotPost !== null
     }
     // set the aliases
     foreach ($aliases as $alias => $col) {
         $selectClause[] = $col . " AS " . $alias;
     }
     // add the criteria to WHERE clause
     // this will also add the table names to the FROM clause if they are not already
     // invluded via a LEFT JOIN
     foreach ($criteria->keys() as $key) {
         $criterion = $criteria->getCriterion($key);
         $someCriteria = $criterion->getAttachedCriterion();
         $someCriteriaLength = count($someCriteria);
         $table = null;
         for ($i = 0; $i < $someCriteriaLength; $i++) {
             $tableName = $someCriteria[$i]->getTable();
             $table = $criteria->getTableForAlias($tableName);
             if ($table !== null) {
                 $fromClause[] = $table . ' ' . $tableName;
             } else {
                 $fromClause[] = $tableName;
                 $table = $tableName;
             }
             $ignoreCase = ($criteria->isIgnoreCase() || $someCriteria[$i]->isIgnoreCase()) && $dbMap->getTable($table)->getColumn($someCriteria[$i]->getColumn())->getType() == "string";
             $someCriteria[$i]->setIgnoreCase($ignoreCase);
         }
         $criterion->setDB($db);
         $sb = "";
         $criterion->appendPsTo($sb, $params);
         $whereClause[] = $sb;
     }
     // handle RIGHT (straight) joins
//.........这里部分代码省略.........

 /**
  * Prepares the Criteria object and uses the parent doSelect() method to execute a PDOStatement.
  *
  * Use this method directly if you want to work with an executed statement durirectly (for example
  * to perform your own object hydration).
  *
  * @param      Criteria $criteria The Criteria object used to build the SELECT statement.
  * @param      PropelPDO $con The connection to use
  * @throws     PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  * @return     PDOStatement The executed PDOStatement object.
  * @see        BasePeer::doSelect()
  */
 public static function doSelectStmt(Criteria $criteria, PropelPDO $con = null)
 {
     if ($con === null) {
         $con = Propel::getConnection(UserPeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     if (!$criteria->getSelectColumns()) {
         $criteria = clone $criteria;
         UserPeer::addSelectColumns($criteria);
     }
     // Set the correct dbName
     $criteria->setDbName(self::DATABASE_NAME);
     // BasePeer returns a PDOStatement
     return BasePeer::doSelect($criteria, $con);
 }

 /**
  * Checks whether the Criteria needs to use column aliasing
  * This is implemented in a service class rather than in Criteria itself
  * in order to avoid doing the tests when it's not necessary (e.g. for SELECTs)
  */
 public static function needsSelectAliases(Criteria $criteria)
 {
     $columnNames = array();
     foreach ($criteria->getSelectColumns() as $fullyQualifiedColumnName) {
         if ($pos = strrpos($fullyQualifiedColumnName, '.')) {
             $columnName = substr($fullyQualifiedColumnName, $pos);
             if (isset($columnNames[$columnName])) {
                 // more than one column with the same name, so aliasing is required
                 return true;
             }
             $columnNames[$columnName] = true;
         }
     }
     return false;
 }

 /**
  * Method to create an SQL query based on values in a Criteria.
  *
  * This method creates only prepared statement SQL (using ? where values
  * will go).  The second parameter ($params) stores the values that need
  * to be set before the statement is executed.  The reason we do it this way
  * is to let the PDO layer handle all escaping & value formatting.
  *
  * @param      Criteria $criteria Criteria for the SELECT query.
  * @param      array &$params Parameters that are to be replaced in prepared statement.
  * @return     string
  * @throws     PropelException Trouble creating the query string.
  */
 public static function createSelectSql(Criteria $criteria, &$params)
 {
     $db = Propel::getDB($criteria->getDbName());
     $dbMap = Propel::getDatabaseMap($criteria->getDbName());
     // redundant definition $selectModifiers = array();
     $selectClause = array();
     $fromClause = array();
     $joinClause = array();
     $joinTables = array();
     $whereClause = array();
     $orderByClause = array();
     // redundant definition $groupByClause = array();
     $orderBy = $criteria->getOrderByColumns();
     $groupBy = $criteria->getGroupByColumns();
     $ignoreCase = $criteria->isIgnoreCase();
     $select = $criteria->getSelectColumns();
     $aliases = $criteria->getAsColumns();
     // simple copy
     $selectModifiers = $criteria->getSelectModifiers();
     // get selected columns
     foreach ($select as $columnName) {
         // expect every column to be of "table.column" formation
         // it could be a function:  e.g. MAX(books.price)
         $tableName = null;
         $selectClause[] = $columnName;
         // the full column name: e.g. MAX(books.price)
         $parenPos = strrpos($columnName, '(');
         $dotPos = strrpos($columnName, '.', $parenPos !== false ? $parenPos : 0);
         // [HL] I think we really only want to worry about adding stuff to
         // the fromClause if this function has a TABLE.COLUMN in it at all.
         // e.g. COUNT(*) should not need this treatment -- or there needs to
         // be special treatment for '*'
         if ($dotPos !== false) {
             if ($parenPos === false) {
                 // table.column
                 $tableName = substr($columnName, 0, $dotPos);
             } else {
                 // FUNC(table.column)
                 $tableName = substr($columnName, $parenPos + 1, $dotPos - ($parenPos + 1));
                 // functions may contain qualifiers so only take the last
                 // word as the table name.
                 // COUNT(DISTINCT books.price)
                 $lastSpace = strpos($tableName, ' ');
                 if ($lastSpace !== false) {
                     // COUNT(DISTINCT books.price)
                     $tableName = substr($tableName, $lastSpace + 1);
                 }
             }
             $tableName2 = $criteria->getTableForAlias($tableName);
             if ($tableName2 !== null) {
                 $fromClause[] = $tableName2 . ' ' . $tableName;
             } else {
                 $fromClause[] = $tableName;
             }
         }
         // if $dotPost !== null
     }
     // set the aliases
     foreach ($aliases as $alias => $col) {
         $selectClause[] = $col . " AS " . $alias;
     }
     // add the criteria to WHERE clause
     // this will also add the table names to the FROM clause if they are not already
     // invluded via a LEFT JOIN
     foreach ($criteria->keys() as $key) {
         $criterion = $criteria->getCriterion($key);
         $someCriteria = $criterion->getAttachedCriterion();
         $someCriteriaLength = count($someCriteria);
         $table = null;
         for ($i = 0; $i < $someCriteriaLength; $i++) {
             $tableName = $someCriteria[$i]->getTable();
             $table = $criteria->getTableForAlias($tableName);
             if ($table !== null) {
                 $fromClause[] = $table . ' ' . $tableName;
             } else {
                 $fromClause[] = $tableName;
                 $table = $tableName;
             }
             $ignoreCase = ($criteria->isIgnoreCase() || $someCriteria[$i]->isIgnoreCase()) && strpos($dbMap->getTable($table)->getColumn($someCriteria[$i]->getColumn())->getType(), "VARCHAR") !== false;
             $someCriteria[$i]->setIgnoreCase($ignoreCase);
         }
         $criterion->setDB($db);
         $sb = "";
         $criterion->appendPsTo($sb, $params);
         $whereClause[] = $sb;
     }
     // Handle joins
//.........这里部分代码省略.........