PHP Criteria::getTableForAlias方法代码示例

 /**
  * Returns the "DELETE FROM <table> [AS <alias>]" part of DELETE query.
  *
  * @param     Criteria  $criteria
  * @param     string    $tableName
  *
  * @return    string
  */
 public function getDeleteFromClause($criteria, $tableName)
 {
     $sql = 'DELETE ';
     if ($queryComment = $criteria->getComment()) {
         $sql .= '/* ' . $queryComment . ' */ ';
     }
     if ($realTableName = $criteria->getTableForAlias($tableName)) {
         if ($this->useQuoteIdentifier()) {
             $realTableName = $this->quoteIdentifierTable($realTableName);
         }
         $sql .= $tableName . ' FROM ' . $realTableName . ' AS ' . $tableName;
     } else {
         if ($this->useQuoteIdentifier()) {
             $tableName = $this->quoteIdentifierTable($tableName);
         }
         $sql .= 'FROM ' . $tableName;
     }
     return $sql;
 }

 /**
  * Init some properties with the help of outer class
  * @param      Criteria $criteria The outer class
  */
 public function init(Criteria $criteria)
 {
     //init $this->db
     try {
         $db = Propel::getDB($criteria->getDbName());
         $this->setDB($db);
     } catch (Exception $e) {
         // we are only doing this to allow easier debugging, so
         // no need to throw up the exception, just make note of it.
         Propel::log("Could not get a DBAdapter, generated sql may be wrong", Propel::LOG_ERR);
     }
     //init $this->realtable
     $realtable = $criteria->getTableForAlias($this->table);
     if (!$realtable) {
         $realtable = $this->table;
     }
     $this->realtable = $realtable;
 }

 /**
  * Method used to update rows in the DB.  Rows are selected based
  * on selectCriteria and updated using values in updateValues.
  * <p>
  * Use this method for performing an update of the kind:
  * <p>
  * WHERE some_column = some value AND could_have_another_column =
  * another value AND so on.
  *
  * @param      $selectCriteria A Criteria object containing values used in where
  *		clause.
  * @param      $updateValues A Criteria object containing values used in set
  *		clause.
  * @param      PropelPDO $con The PropelPDO connection object to use.
  * @return     int	The number of rows affected by last update statement.  For most
  * 				uses there is only one update statement executed, so this number
  * 				will correspond to the number of rows affected by the call to this
  * 				method.  Note that the return value does require that this information
  * 				is returned (supported) by the Propel db driver.
  * @throws     PropelException
  */
 public static function doUpdate(Criteria $selectCriteria, Criteria $updateValues, PropelPDO $con)
 {
     $db = Propel::getDB($selectCriteria->getDbName());
     $dbMap = Propel::getDatabaseMap($selectCriteria->getDbName());
     // Get list of required tables, containing all columns
     $tablesColumns = $selectCriteria->getTablesColumns();
     if (empty($tablesColumns)) {
         $tablesColumns = array($selectCriteria->getPrimaryTableName() => array());
     }
     // we also need the columns for the update SQL
     $updateTablesColumns = $updateValues->getTablesColumns();
     $affectedRows = 0;
     // initialize this in case the next loop has no iterations.
     foreach ($tablesColumns as $tableName => $columns) {
         $whereClause = array();
         $params = array();
         $stmt = null;
         try {
             $sql = 'UPDATE ';
             if ($queryComment = $selectCriteria->getComment()) {
                 $sql .= '/* ' . $queryComment . ' */ ';
             }
             // is it a table alias?
             if ($tableName2 = $selectCriteria->getTableForAlias($tableName)) {
                 $udpateTable = $tableName2 . ' ' . $tableName;
                 $tableName = $tableName2;
             } else {
                 $udpateTable = $tableName;
             }
             if ($db->useQuoteIdentifier()) {
                 $sql .= $db->quoteIdentifierTable($udpateTable);
             } else {
                 $sql .= $udpateTable;
             }
             $sql .= " SET ";
             $p = 1;
             foreach ($updateTablesColumns[$tableName] as $col) {
                 $updateColumnName = substr($col, strrpos($col, '.') + 1);
                 // add identifiers for the actual database?
                 if ($db->useQuoteIdentifier()) {
                     $updateColumnName = $db->quoteIdentifier($updateColumnName);
                 }
                 if ($updateValues->getComparison($col) != Criteria::CUSTOM_EQUAL) {
                     $sql .= $updateColumnName . '=:p' . $p++ . ', ';
                 } else {
                     $param = $updateValues->get($col);
                     $sql .= $updateColumnName . ' = ';
                     if (is_array($param)) {
                         if (isset($param['raw'])) {
                             $raw = $param['raw'];
                             $rawcvt = '';
                             // parse the $params['raw'] for ? chars
                             for ($r = 0, $len = strlen($raw); $r < $len; $r++) {
                                 if ($raw[$r] == '?') {
                                     $rawcvt .= ':p' . $p++;
                                 } else {
                                     $rawcvt .= $raw[$r];
                                 }
                             }
                             $sql .= $rawcvt . ', ';
                         } else {
                             $sql .= ':p' . $p++ . ', ';
                         }
                         if (isset($param['value'])) {
                             $updateValues->put($col, $param['value']);
                         }
                     } else {
                         $updateValues->remove($col);
                         $sql .= $param . ', ';
                     }
                 }
             }
             $params = self::buildParams($updateTablesColumns[$tableName], $updateValues);
             $sql = substr($sql, 0, -2);
             if (!empty($columns)) {
                 foreach ($columns as $colName) {
                     $sb = "";
                     $selectCriteria->getCriterion($colName)->appendPsTo($sb, $params);
                     $whereClause[] = $sb;
//.........这里部分代码省略.........

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

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

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