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Import from DCARF SVN

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azammitdcarf
2008-10-15 22:36:05 +00:00
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commit 1445da495b
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include/limesurvey/classes/adodb/datadict/datadict-sybase.inc.php Normal file
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<?php
/**
V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
Released under both BSD license and Lesser GPL library license.
Whenever there is any discrepancy between the two licenses,
the BSD license will take precedence.
Set tabs to 4 for best viewing.
*/
// 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;
}
$len = -1; // mysql max_length is not accurate
switch (strtoupper($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)
{
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 '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)
{
$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)
{
$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)
{
$suffix = '';
if (strlen($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;
}
}
?>