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   1  <?php
   2  /*
   3   *  $Id: OCI8DatabaseInfo.php,v 1.11 2006/01/17 19:44:40 hlellelid Exp $
   4   *
   5   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   6   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   7   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   8   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   9   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  10   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  11   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  12   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  13   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  14   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  15   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  16   *
  17   * This software consists of voluntary contributions made by many individuals
  18   * and is licensed under the LGPL. For more information please see
  19   * <http://creole.phpdb.org>.
  20   */
  21   
  22  require_once 'creole/metadata/DatabaseInfo.php';
  23  
  24  /**
  25   * Oracle (OCI8) implementation of DatabaseInfo.
  26   * 
  27   * @author    Hans Lellelid <hans@xmpl.org>
  28   * @version   $Revision: 1.11 $
  29   * @package   creole.drivers.oracle.metadata
  30   */ 
  31  class OCI8DatabaseInfo extends DatabaseInfo {
  32      
  33      private $schema;
  34             
  35      public function __construct(Connection $conn) {
  36          parent::__construct($conn);
  37          
  38          $dsn = $conn->getDSN();
  39          
  40          if (isset($dsn['schema'])) {
  41              $this->schema = $dsn['schema']; 
  42          } else {
  43              // For Changing DB/Schema in Meta Data Interface
  44              $this->schema = $dsn['username'];
  45          }
  46          
  47          $this->schema = strtoupper( $this->schema );
  48      }
  49      
  50      public function getSchema() {
  51          return $this->schema;
  52      }
  53      
  54      /**
  55       * @throws SQLException
  56       * @return void
  57       */
  58      protected function initTables()
  59      {
  60          include_once 'creole/drivers/oracle/metadata/OCI8TableInfo.php';
  61          
  62          $sql = "SELECT table_name
  63              FROM all_tables
  64              WHERE owner = '{$this->schema}'";
  65  
  66          $statement = @oci_parse($this->conn->getResource(),$sql);
  67  
  68          $success = @oci_execute($statement,OCI_DEFAULT);        
  69          if (!$success) {
  70              throw new SQLException("Could not get tables", $this->conn->getResource()->nativeError($statement));
  71          }
  72          while ( $statement && $row = oci_fetch_assoc( $statement ) )
  73          {
  74              $row = array_change_key_case($row,CASE_LOWER);
  75              $this->tables[strtoupper($row['table_name'])] = new OCI8TableInfo($this,$row['table_name']);
  76          }
  77      }            
  78      
  79      /**
  80       * Oracle supports sequences.
  81       *
  82       * @return void 
  83       * @throws SQLException
  84       */
  85      protected function initSequences()
  86      {
  87          // throw new SQLException("MySQL does not support sequences natively.");
  88      }
  89          
  90  }