mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-10-06 02:02:24 +02:00
285 lines
7.9 KiB
PHP
285 lines
7.9 KiB
PHP
<?php
|
|
|
|
/**
|
|
V4.65 22 July 2005 (c) 2000-2005 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_mssql extends ADODB_DataDict {
|
|
var $databaseType = 'mssql';
|
|
var $dropIndex = 'DROP INDEX %2$s.%1$s';
|
|
var $renameTable = "EXEC sp_rename '%s','%s'";
|
|
var $renameColumn = "EXEC sp_rename '%s.%s','%s'";
|
|
|
|
var $typeX = 'TEXT'; ## Alternatively, set it to VARCHAR(4000)
|
|
var $typeXL = 'TEXT';
|
|
|
|
//var $alterCol = ' ALTER COLUMN ';
|
|
|
|
function MetaType($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 'R':
|
|
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($meta)) {
|
|
|
|
case 'C': return 'VARCHAR';
|
|
case 'XL': return (isset($this)) ? $this->typeXL : 'TEXT';
|
|
case 'X': return (isset($this)) ? $this->typeX : 'TEXT'; ## could be varchar(8000), but we want compat with oracle
|
|
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 'R':
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* query the name of a default constrain
|
|
*
|
|
* @param string $tabname table-name
|
|
* @param string $colname column-name
|
|
* @return boolean/string name of the default constrain or false if there's none
|
|
*/
|
|
function _get_default_name($tabname,$colname)
|
|
{
|
|
return $this->connection->GetOne("SELECT sysobjects.name FROM sysobjects JOIN syscolumns ON syscolumns.id=parent_obj AND info=colorder ".
|
|
"WHERE syscolumns.name='$colname' AND sysobjects.xtype='D' AND parent_obj=(SELECT id FROM sysobjects WHERE name='$tableoptions' and type='U')");
|
|
}
|
|
|
|
/**
|
|
* Change the definition of one column
|
|
*
|
|
* Reimplemented because MSSQL need a different handling for DEFAULT, it cant be in an ALTER COLUMN
|
|
*
|
|
* @param string $tabname table-name
|
|
* @param string $flds column-name and type for the changed column
|
|
* @param string $tableflds='' complete defintion of the new table, eg. for postgres, default ''
|
|
* @param array/string $tableoptions='' options for the new table see CreateTableSQL, default ''
|
|
* @return array with SQL strings
|
|
*/
|
|
function AlterColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
|
|
{
|
|
$tabname = $this->TableName ($tabname);
|
|
$sql = array();
|
|
list($lines,$pkey) = $this->_GenFields($flds);
|
|
$alter = 'ALTER TABLE ' . $tabname . $this->alterCol . ' ';
|
|
foreach($lines as $v) {
|
|
list($colname) = explode(' ',$v);
|
|
// drop a default if it exists
|
|
$def_name = $this->_get_default_name($tabname,$colname);
|
|
$sql[] = "EXEC sp_unbindefault '$tabname.$colname'";
|
|
$sql[] = "DROP DEFAULT $def_name";
|
|
if (preg_match("/DEFAULT ([0-9]+|'[^']*')/",$lines,$matches)) {
|
|
$sql[] = $alter . str_replace("DEFAULT $matches[1]",'',$v);
|
|
$sql[] = "ALTER TABLE $tabname ADD CONSTRAINT def_{$tabname}_$colname DEFAULT $matches[1] FOR $colname";
|
|
} else
|
|
$sql[] = $alter . $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) $suffix .= ' IDENTITY(1,1)';
|
|
if ($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 $sql;
|
|
}
|
|
|
|
|
|
function _GetSize($ftype, $ty, $fsize, $fprec)
|
|
{
|
|
switch ($ftype) {
|
|
case 'INT':
|
|
case 'SMALLINT':
|
|
case 'TINYINT':
|
|
case 'BIGINT':
|
|
return $ftype;
|
|
}
|
|
if ($ty == 'T') return $ftype;
|
|
return parent::_GetSize($ftype, $ty, $fsize, $fprec);
|
|
|
|
}
|
|
}
|
|
?>
|