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<?php
/**
* Data Dictionary for SyBase.
*
* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
*
* @package ADOdb
* @link https://adodb.org Project's web site and documentation
* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
*
* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
* any later version. This means you can use it in proprietary products.
* See the LICENSE.md file distributed with this source code for details.
* @license BSD-3-Clause
* @license LGPL-2.1-or-later
*
* @copyright 2000-2013 John Lim
* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
*/
// security - hide paths
if (!defined('ADODB_DIR')) die();
class ADODB2_sybase extends ADODB_DataDict {
var $databaseType = 'sybase';
var $dropIndex = 'DROP INDEX %2$s.%1$s';
function MetaType($t,$len=-1,$fieldobj=false)
{
if (is_object($t)) {
$fieldobj = $t;
$t = $fieldobj->type;
$len = $fieldobj->max_length;
}
$t = strtoupper($t);
if (array_key_exists($t,$this->connection->customActualTypes))
return $this->connection->customActualTypes[$t];
$len = -1; // mysql max_length is not accurate
switch ($t) {
case 'INT':
case 'INTEGER': return 'I';
case 'BIT':
case 'TINYINT': return 'I1';
case 'SMALLINT': return 'I2';
case 'BIGINT': return 'I8';
case 'REAL':
case 'FLOAT': return 'F';
default: return parent::MetaType($t,$len,$fieldobj);
}
}
function ActualType($meta)
{
$meta = strtoupper($meta);
/*
* Add support for custom meta types. We do this
* first, that allows us to override existing types
*/
if (isset($this->connection->customMetaTypes[$meta]))
return $this->connection->customMetaTypes[$meta]['actual'];
switch(strtoupper($meta)) {
case 'C': return 'VARCHAR';
case 'XL':
case 'X': return 'TEXT';
case 'C2': return 'NVARCHAR';
case 'X2': return 'NTEXT';
case 'B': return 'IMAGE';
case 'D': return 'DATETIME';
case 'TS':
case 'T': return 'DATETIME';
case 'L': return 'BIT';
case 'I': return 'INT';
case 'I1': return 'TINYINT';
case 'I2': return 'SMALLINT';
case 'I4': return 'INT';
case 'I8': return 'BIGINT';
case 'F': return 'REAL';
case 'N': return 'NUMERIC';
default:
return $meta;
}
}
function AddColumnSQL($tabname, $flds)
{
$tabname = $this->TableName ($tabname);
$f = array();
list($lines,$pkey) = $this->_GenFields($flds);
$s = "ALTER TABLE $tabname $this->addCol";
foreach($lines as $v) {
$f[] = "\n $v";
}
$s .= implode(', ',$f);
$sql[] = $s;
return $sql;
}
function AlterColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
{
$tabname = $this->TableName ($tabname);
$sql = array();
list($lines,$pkey) = $this->_GenFields($flds);
foreach($lines as $v) {
$sql[] = "ALTER TABLE $tabname $this->alterCol $v";
}
return $sql;
}
function DropColumnSQL($tabname, $flds, $tableflds='', $tableoptions='')
{
$tabname = $this->TableName($tabname);
if (!is_array($flds)) $flds = explode(',',$flds);
$f = array();
$s = "ALTER TABLE $tabname";
foreach($flds as $v) {
$f[] = "\n$this->dropCol ".$this->NameQuote($v);
}
$s .= implode(', ',$f);
$sql[] = $s;
return $sql;
}
// return string must begin with space
function _CreateSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned)
{
$suffix = '';
if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
if ($fautoinc) $suffix .= ' DEFAULT AUTOINCREMENT';
if ($fnotnull) $suffix .= ' NOT NULL';
else if ($suffix == '') $suffix .= ' NULL';
if ($fconstraint) $suffix .= ' '.$fconstraint;
return $suffix;
}
/*
CREATE TABLE
[ database_name.[ owner ] . | owner. ] table_name
( { < column_definition >
| column_name AS computed_column_expression
| < table_constraint > ::= [ CONSTRAINT constraint_name ] }
| [ { PRIMARY KEY | UNIQUE } [ ,...n ]
)
[ ON { filegroup | DEFAULT } ]
[ TEXTIMAGE_ON { filegroup | DEFAULT } ]
< column_definition > ::= { column_name data_type }
[ COLLATE < collation_name > ]
[ [ DEFAULT constant_expression ]
| [ IDENTITY [ ( seed , increment ) [ NOT FOR REPLICATION ] ] ]
]
[ ROWGUIDCOL]
[ < column_constraint > ] [ ...n ]
< column_constraint > ::= [ CONSTRAINT constraint_name ]
{ [ NULL | NOT NULL ]
| [ { PRIMARY KEY | UNIQUE }
[ CLUSTERED | NONCLUSTERED ]
[ WITH FILLFACTOR = fillfactor ]
[ON {filegroup | DEFAULT} ] ]
]
| [ [ FOREIGN KEY ]
REFERENCES ref_table [ ( ref_column ) ]
[ ON DELETE { CASCADE | NO ACTION } ]
[ ON UPDATE { CASCADE | NO ACTION } ]
[ NOT FOR REPLICATION ]
]
| CHECK [ NOT FOR REPLICATION ]
( logical_expression )
}
< table_constraint > ::= [ CONSTRAINT constraint_name ]
{ [ { PRIMARY KEY | UNIQUE }
[ CLUSTERED | NONCLUSTERED ]
{ ( column [ ASC | DESC ] [ ,...n ] ) }
[ WITH FILLFACTOR = fillfactor ]
[ ON { filegroup | DEFAULT } ]
]
| FOREIGN KEY
[ ( column [ ,...n ] ) ]
REFERENCES ref_table [ ( ref_column [ ,...n ] ) ]
[ ON DELETE { CASCADE | NO ACTION } ]
[ ON UPDATE { CASCADE | NO ACTION } ]
[ NOT FOR REPLICATION ]
| CHECK [ NOT FOR REPLICATION ]
( search_conditions )
}
*/
/*
CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name
ON { table | view } ( column [ ASC | DESC ] [ ,...n ] )
[ WITH < index_option > [ ,...n] ]
[ ON filegroup ]
< index_option > :: =
{ PAD_INDEX |
FILLFACTOR = fillfactor |
IGNORE_DUP_KEY |
DROP_EXISTING |
STATISTICS_NORECOMPUTE |
SORT_IN_TEMPDB
}
*/
function _IndexSQL($idxname, $tabname, $flds, $idxoptions)
{
$sql = array();
if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) {
$sql[] = sprintf ($this->dropIndex, $idxname, $tabname);
if ( isset($idxoptions['DROP']) )
return $sql;
}
if ( empty ($flds) ) {
return $sql;
}
$unique = isset($idxoptions['UNIQUE']) ? ' UNIQUE' : '';
$clustered = isset($idxoptions['CLUSTERED']) ? ' CLUSTERED' : '';
if ( is_array($flds) )
$flds = implode(', ',$flds);
$s = 'CREATE' . $unique . $clustered . ' INDEX ' . $idxname . ' ON ' . $tabname . ' (' . $flds . ')';
if ( isset($idxoptions[$this->upperName]) )
$s .= $idxoptions[$this->upperName];
$sql[] = $s;
return $sql;
}
}
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