Viewing file:  MySQLFunctions.php (4.13 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
class MySQLFunctions extends DBFunctions
{
/**
* A db connection link identifier
* @type Mixed
*/
protected $conn = null;
function __construct( $params )
{
parent::__construct($params);
$this->strLeftWrapper = "`";
$this->strRightWrapper = "`";
$this->escapeChars[ '\\' ] = true;
$this->conn = $params["conn"];
}
/**
* @param String str
* @return String
*/
public function escapeLIKEpattern( $str )
{
return str_replace(array('\\', '%', '_'), array('\\\\', '\\%', '\\_'), $str);
}
/**
* @param String str
* @return String
*/
public function addSlashes( $str )
{
if( useMySQLiLib() && $this->conn )
{
if( $this->conn )
return mysqli_real_escape_string( $this->conn, $str );
}
else
{
// ODBC connection, no MySQL library included
return str_replace(array('\\', '\''), array('\\\\', '\\\''), $str);
}
}
/**
* @param String str
* @return String
*/
public function addSlashesBinary( $str )
{
if( !strlen($str) )
return "''";
return "0x".bin2hex($str);
}
/**
* adds wrappers to field name if required
* @param String strName
* @return String
*/
public function addFieldWrappers( $strName )
{
if( substr($strName, 0, 1) == $this->strLeftWrapper )
return $strName;
return $this->strLeftWrapper.$strName.$this->strRightWrapper;
}
/**
* @param String dbval
* @return String
*/
public function upper( $dbval )
{
return "upper(".$dbval.")";
}
/**
* It's called for Contains and Starts with searches
* @param Mixed value
* @param Number type (optional)
* @return String
*/
public function field2char($value, $type = 3)
{
return $value;
}
/**
* @param Mixed value
* @param Number type
* @return String
*/
public function field2time($value, $type)
{
if( IsDateFieldType($type) )
return "time(".$value.")";
return $value;
}
/**
* Get the auto generated SQL string used in the last query
* @param String key (optional)
* @param String table (optional)
* @param String oraSequenceName (optional)
* @return String
*/
public function getInsertedIdSQL( $key = null, $table = null, $oraSequenceName = false )
{
return "SELECT LAST_INSERT_ID()";
}
/**
* @param String strName
* @return String
*/
public function timeToSecWrapper( $strName )
{
return "TIME_TO_SEC(" . $this->addTableWrappers($strName) . ")";
}
public function schemaSupported()
{
return false;
}
public function caseSensitiveComparison( $val1, $val2 )
{
return 'binary ' . $val1 . ' = ' . $val2;
}
public function limitedQuery( $connection, $strSQL, $skip, $total, $applyLimit )
{
if( $applyLimit && ( $skip || $total > 0 ) )
$strSQL.= " limit ". $skip . ", " . ( $total >=0 ? $total : 2000000000 );
return $connection->query( $strSQL );
}
public function intervalExpressionString( $expr, $interval )
{
return DBFunctions::intervalExprLeft( $expr, $interval );
}
public function intervalExpressionNumber( $expr, $interval )
{
return DBFunctions::intervalExprFloor( $expr, $interval );
}
public function intervalExpressionDate( $expr, $interval )
{
if($interval == 1) // DATE_INTERVAL_YEAR
return "year(".$expr.")*10000 + 101"; // ???
if($interval == 2) // DATE_INTERVAL_QUARTER
return "year(".$expr.")*10000 + QUARTER(".$expr.")*100+1";
if($interval == 3) // DATE_INTERVAL_MONTH
return "year(".$expr.")*10000 + month(".$expr.")*100+1";
if($interval == 4) // DATE_INTERVAL_WEEK
return "year(".$expr.")*10000 + week(".$expr.")*100+01";
if($interval == 5) // DATE_INTERVAL_DAY
return "year(".$expr.")*10000 + month(".$expr.")*100 + day(".$expr.")";
if($interval == 6) // DATE_INTERVAL_HOUR
return "year(".$expr.")*1000000 + month(".$expr.")*10000 + day(".$expr.")*100 + HOUR(".$expr.")";
if($interval == 7) // DATE_INTERVAL_MINUTE
return "year(".$expr.")*100000000 + month(".$expr.")*1000000 + day(".$expr.")*10000 + HOUR(".$expr.")*100 + minute(".$expr.")";
return $expr;
}
}
?>
|