PHP Criteria::keys方法代码示例

 public function applyFilter(Criteria $criteria_to_filter)
 {
     if (!$this->enable) {
         return;
     }
     if (!isset($criteria_to_filter->creteria_filter_attached)) {
         $criteria_to_filter->creteria_filter_attached = true;
         // copy all constraints from the criteria to $criteria_to_filter
         $columns = $this->criteria->keys();
         foreach ($columns as $column) {
             $filter_criterion = $this->criteria->getCriterion($column);
             $new_crit = $criteria_to_filter->getNewCriterion($filter_criterion->getTable() . "." . $filter_criterion->getColumn(), $filter_criterion->getValue(), $filter_criterion->getComparison());
             $existing_criterion = $criteria_to_filter->getCriterion($column);
             // don't add duplicates !!
             if ($existing_criterion && ($existing_criterion->getValue() == $filter_criterion->getValue() && $existing_criterion->getComparison() == $filter_criterion->getComparison())) {
                 continue;
             }
             // go one step deeper to copy the inner clauses
             $this->addClauses($this->criteria, $filter_criterion, $new_crit);
             $criteria_to_filter->addAnd($new_crit);
         }
         // TODO - adda more robust way to copy the orderBy from this->criteria
         $orderBy = $this->criteria->getOrderByColumns();
         if ($orderBy) {
             foreach ($orderBy as $orderByColumn) {
                 @(list($name, $order) = explode(" ", $orderByColumn));
                 if ($order == Criteria::ASC) {
                     $criteria_to_filter->addAscendingOrderByColumn($name);
                 } else {
                     $criteria_to_filter->addDescendingOrderByColumn($name);
                 }
             }
         }
     }
 }

 public static function doBackupRecord(\Criteria $criteria, PropelPDO $con)
 {
     $db = Propel::getDB($criteria->getDbName());
     $dbMap = Propel::getDatabaseMap($criteria->getDbName());
     $keys = $criteria->keys();
     if (!empty($keys)) {
         $tableName = $criteria->getTableName($keys[0]);
     } else {
         throw new PropelException("Database insert attempted without anything specified to insert");
     }
     $tableMap = $dbMap->getTable($tableName);
     $whereClause = array();
     $peer = $tableMap->getPeerClassname();
     $versionTable = $peer::$workspaceBehaviorVersionName;
     $originTable = $tableMap->getName();
     $tables = $criteria->getTablesColumns();
     if (empty($tables)) {
         throw new \PropelException("Empty Criteria");
     }
     $fields = array_keys($tableMap->getColumns());
     $fields = implode(', ', $fields);
     foreach ($tables as $tableName => $columns) {
         $whereClause = array();
         $params = array();
         $stmt = null;
         try {
             foreach ($columns as $colName) {
                 $sb = "";
                 $criteria->getCriterion($colName)->appendPsTo($sb, $params);
                 $whereClause[] = $sb;
             }
             $sql = sprintf("INSERT INTO %s (%s) SELECT %s FROM %s WHERE %s", $versionTable, $fields, $fields, $originTable, implode(" AND ", $whereClause));
             $stmt = $con->prepare($sql);
             $db->bindValues($stmt, $params, $dbMap);
             $stmt->execute();
             $stmt->closeCursor();
         } catch (Exception $e) {
             Propel::log($e->getMessage(), Propel::LOG_ERR);
             throw new PropelException(sprintf('Unable to execute INSERT INTO statement [%s]', $sql), $e);
         }
     }
     // for each table
 }

 /**
  * Helper method which returns the primary key contained
  * in the given Criteria object.
  *
  * @param      Criteria $criteria A Criteria.
  * @return     ColumnMap If the Criteria object contains a primary
  *		  key, or null if it doesn't.
  * @throws     PropelException
  */
 private static function getPrimaryKey(Criteria $criteria)
 {
     // Assume all the keys are for the same table.
     $keys = $criteria->keys();
     $key = $keys[0];
     $table = $criteria->getTableName($key);
     $pk = null;
     if (!empty($table)) {
         $dbMap = Propel::getDatabaseMap($criteria->getDbName());
         $pks = $dbMap->getTable($table)->getPrimaryKeys();
         if (!empty($pks)) {
             $pk = array_shift($pks);
         }
     }
     return $pk;
 }

 /**
  * Method to create select SQL.
  *
  * @param Criteria $criteria object used to create the SELECT statement.
  * @param String $tableName
  * @param Array &$params
  * @throws PropelException Any exceptions caught during processing will be
  * rethrown wrapped into a PropelException.
  */
 private function createSelectSql($criteria, $tableName, &$params)
 {
     $db = Propel::getDB($criteria->getDbName());
     // redundant definition $selectModifiers = array();
     $selectClause = array();
     $fromClause = array();
     $joinClause = array();
     $joinTables = array();
     $whereClause = array();
     $orderByClause = array();
     $groupByClause = array();
     $orderBy = $criteria->getOrderByColumns();
     $groupBy = $criteria->getGroupByColumns();
     $ignoreCase = $criteria->isIgnoreCase();
     $select = $criteria->getSelectColumns();
     $aliases = $criteria->getAsColumns();
     $fromClause[] = $criteria->getDBArrayTable();
     // simple copy
     $selectModifiers = $criteria->getSelectModifiers();
     // get selected columns
     foreach ($select as $columnName) {
         $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 " . $alias;
     }
     // add the criteria to WHERE clause
     foreach ($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);
         $cri['table'] = $criterion->table;
         $cri['field'] = $criterion->column;
         $cri['comparison'] = $criterion->comparison == '=' ? '==' : $criterion->comparison;
         $cri['value'] = $criterion->getValue();
         $sb = "";
         $sb .= "\$row['" . $cri['field'] . "'] " . $cri['comparison'] . "'" . $cri['value'] . "'";
         $params[] = $cri;
         //$criterion->appendPsTo($sb, $params);
         $whereClause[] = $sb;
     }
     // Unique from clause elements
     $fromClause = array_unique($fromClause);
     if (!empty($orderBy)) {
//.........这里部分代码省略.........

 public function testClone()
 {
     $c1 = new Criteria();
     $c1->add('tbl.COL1', 'foo', Criteria::EQUAL);
     $c2 = clone $c1;
     $c2->addAnd('tbl.COL1', 'bar', Criteria::EQUAL);
     $nbCrit = 0;
     foreach ($c1->keys() as $key) {
         foreach ($c1->getCriterion($key)->getAttachedCriterion() as $criterion) {
             $nbCrit++;
         }
     }
     $this->assertEquals(1, $nbCrit, 'cloning a Criteria clones its Criterions');
 }

 /**
  * 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.........

	public function __construct(Criteria $criteria) {
		$this->criteria = $criteria;
		$this->criteriaKeys = $criteria->keys();
		$this->criteriaSize = count($this->criteriaKeys);
	}

 /**
  * 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.........