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MSSQLTypes.php

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<?php

/*
 *  $Id: MSSQLTypes.php,v 1.1 2004/05/02 21:27:01 micha Exp $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://creole.phpdb.org>.
 */
 
require_once 'creole/CreoleTypes.php';

class MSSQLTypes extends CreoleTypes 
{
  var $typeMap = null;
               
  var $reverseMap;
  
  function getType($mssqlType)
  {    
    $self =& MSSQLTypes::getInstance();
    
    $t = strtolower($mssqlType);
    if (isset($self->typeMap[$t])) {
        return $self->typeMap[$t];
    } else {
        return CreoleTypes::OTHER();
    }
  }
  
  function getNativeType($creoleType)
  {
    $self =& MSSQLTypes::getInstance();
    
    if ($self->reverseMap === null) {
        $self->reverseMap = array_flip($self->typeMap);
    }
    return @$self->reverseMap[$creoleType];
  }
  
  /*
  * @access private
  */
  function & getInstance()
  {
    static $instance;

    if ($instance === null)
    {
      $instance = new MSSQLTypes();
      $instance->typeMap = array
      (
        "binary" => CreoleTypes::BINARY(),
        "bit" => CreoleTypes::BOOLEAN(), 
        "char" => CreoleTypes::CHAR(),
        "datetime" => CreoleTypes::TIMESTAMP(),
        "decimal() identity"  => CreoleTypes::DECIMAL(),
        "decimal"  => CreoleTypes::DECIMAL(),                
        "image" => CreoleTypes::LONGVARBINARY(),
        "int" => CreoleTypes::INTEGER(),
        "int identity" => CreoleTypes::INTEGER(),
        "integer" => CreoleTypes::INTEGER(),
        "money" => CreoleTypes::DECIMAL(), 
        "nchar" => CreoleTypes::CHAR(), 
        "ntext" => CreoleTypes::LONGVARCHAR(), 
        "numeric() identity" => CreoleTypes::NUMERIC(),
        "numeric" => CreoleTypes::NUMERIC(),                  
        "nvarchar" => CreoleTypes::VARCHAR(),
        "real" => CreoleTypes::REAL(), 
        "smalldatetime" => CreoleTypes::TIMESTAMP(), 
        "smallint" => CreoleTypes::SMALLINT(), 
        "smallint identity" => CreoleTypes::SMALLINT(),
        "smallmoney" => CreoleTypes::DECIMAL(),
        "sysname" => CreoleTypes::VARCHAR(),
        "text" => CreoleTypes::LONGVARCHAR(),
        "timestamp" => CreoleTypes::BINARY(),
        "tinyint identity" => CreoleTypes::TINYINT(), 
        "tinyint" => CreoleTypes::TINYINT(),                 
        "uniqueidentifier" => CreoleTypes::CHAR(),
        "varbinary" => CreoleTypes::VARBINARY(),
        "varchar" => CreoleTypes::VARCHAR(),
        "uniqueidentifier" => CreoleTypes::CHAR(),
        // SQL Server 2000 only
        "bigint identity" => CreoleTypes::BIGINT(),
        "bigint" => CreoleTypes::BIGINT(),                
        "sql_variant" => CreoleTypes::VARCHAR(),
      );
    }

    return $instance;
  }
  
}

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This file is part of the Creole[php4] library.