egroupware/phpgwapi/inc/adodb/drivers/adodb-odbc_mssql.inc.php

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<?php
/*
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V4.52 10 Aug 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
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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.
Latest version is available at http://adodb.sourceforge.net
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MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix.
For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3
*/
// security - hide paths
if (!defined('ADODB_DIR')) die();
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if (!defined('_ADODB_ODBC_LAYER')) {
include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
}
class ADODB_odbc_mssql extends ADODB_odbc {
var $databaseType = 'odbc_mssql';
var $fmtDate = "'Y-m-d'";
var $fmtTimeStamp = "'Y-m-d h:i:sA'";
var $_bindInputArray = true;
var $metaTablesSQL="select name,case when type='U' then 'T' else 'V' end from sysobjects where (type='U' or type='V') and (name not in ('sysallocations','syscolumns','syscomments','sysdepends','sysfilegroups','sysfiles','sysfiles1','sysforeignkeys','sysfulltextcatalogs','sysindexes','sysindexkeys','sysmembers','sysobjects','syspermissions','sysprotects','sysreferences','systypes','sysusers','sysalternates','sysconstraints','syssegments','REFERENTIAL_CONSTRAINTS','CHECK_CONSTRAINTS','CONSTRAINT_TABLE_USAGE','CONSTRAINT_COLUMN_USAGE','VIEWS','VIEW_TABLE_USAGE','VIEW_COLUMN_USAGE','SCHEMATA','TABLES','TABLE_CONSTRAINTS','TABLE_PRIVILEGES','COLUMNS','COLUMN_DOMAIN_USAGE','COLUMN_PRIVILEGES','DOMAINS','DOMAIN_CONSTRAINTS','KEY_COLUMN_USAGE'))";
var $metaColumnsSQL = "select c.name,t.name,c.length from syscolumns c join systypes t on t.xusertype=c.xusertype join sysobjects o on o.id=c.id where o.name='%s'";
var $hasTop = 'top'; // support mssql/interbase SELECT TOP 10 * FROM TABLE
var $sysDate = 'GetDate()';
var $sysTimeStamp = 'GetDate()';
var $leftOuter = '*=';
var $rightOuter = '=*';
var $substr = 'substring';
var $length = 'len';
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var $ansiOuter = true; // for mssql7 or later
var $identitySQL = 'select @@IDENTITY'; // 'select SCOPE_IDENTITY'; # for mssql 2000
var $hasInsertID = true;
var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON,
# concatenating a null value with a string yields a NULL result
function ADODB_odbc_mssql()
{
$this->ADODB_odbc();
$this->curmode = SQL_CUR_USE_ODBC;
}
// crashes php...
function ServerInfo()
{
global $ADODB_FETCH_MODE;
$save = $ADODB_FETCH_MODE;
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
$row = $this->GetRow("execute sp_server_info 2");
$ADODB_FETCH_MODE = $save;
if (!is_array($row)) return false;
$arr['description'] = $row[2];
$arr['version'] = ADOConnection::_findvers($arr['description']);
return $arr;
}
function IfNull( $field, $ifNull )
{
return " ISNULL($field, $ifNull) "; // if MS SQL Server
}
function _insertid()
{
// SCOPE_IDENTITY()
// Returns the last IDENTITY value inserted into an IDENTITY column in
// the same scope. A scope is a module -- a stored procedure, trigger,
// function, or batch. Thus, two statements are in the same scope if
// they are in the same stored procedure, function, or batch.
return $this->GetOne($this->identitySQL);
}
function MetaForeignKeys($table, $owner=false, $upper=false)
{
global $ADODB_FETCH_MODE;
$save = $ADODB_FETCH_MODE;
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
$table = $this->qstr(strtoupper($table));
$sql =
"select object_name(constid) as constraint_name,
col_name(fkeyid, fkey) as column_name,
object_name(rkeyid) as referenced_table_name,
col_name(rkeyid, rkey) as referenced_column_name
from sysforeignkeys
where upper(object_name(fkeyid)) = $table
order by constraint_name, referenced_table_name, keyno";
$constraints =& $this->GetArray($sql);
$ADODB_FETCH_MODE = $save;
$arr = false;
foreach($constraints as $constr) {
//print_r($constr);
$arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
}
if (!$arr) return false;
$arr2 = false;
foreach($arr as $k => $v) {
foreach($v as $a => $b) {
if ($upper) $a = strtoupper($a);
$arr2[$a] = $b;
}
}
return $arr2;
}
function &MetaTables($ttype=false,$showSchema=false,$mask=false)
{
if ($mask) {$this->debug=1;
$save = $this->metaTablesSQL;
$mask = $this->qstr($mask);
$this->metaTablesSQL .= " AND name like $mask";
}
$ret =& ADOConnection::MetaTables($ttype,$showSchema);
if ($mask) {
$this->metaTablesSQL = $save;
}
return $ret;
}
function &MetaColumns($table)
{
return ADOConnection::MetaColumns($table);
}
function _query($sql,$inputarr)
{
if (is_string($sql)) $sql = str_replace('||','+',$sql);
return ADODB_odbc::_query($sql,$inputarr);
}
// "Stein-Aksel Basma" <basma@accelero.no>
// tested with MSSQL 2000
function &MetaPrimaryKeys($table)
{
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global $ADODB_FETCH_MODE;
$schema = '';
$this->_findschema($table,$schema);
//if (!$schema) $schema = $this->database;
if ($schema) $schema = "and k.table_catalog like '$schema%'";
$sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k,
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information_schema.table_constraints tc
where tc.constraint_name = k.constraint_name and tc.constraint_type =
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'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position ";
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$savem = $ADODB_FETCH_MODE;
$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
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$a = $this->GetCol($sql);
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$ADODB_FETCH_MODE = $savem;
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if ($a && sizeof($a)>0) return $a;
return false;
}
function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
{
if ($nrows > 0 && $offset <= 0) {
$sql = preg_replace(
'/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
$rs =& $this->Execute($sql,$inputarr);
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} else
$rs =& ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
return $rs;
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}
// Format date column in sql string given an input format that understands Y M D
function SQLDate($fmt, $col=false)
{
if (!$col) $col = $this->sysTimeStamp;
$s = '';
$len = strlen($fmt);
for ($i=0; $i < $len; $i++) {
if ($s) $s .= '+';
$ch = $fmt[$i];
switch($ch) {
case 'Y':
case 'y':
$s .= "datename(yyyy,$col)";
break;
case 'M':
$s .= "convert(char(3),$col,0)";
break;
case 'm':
$s .= "replace(str(month($col),2),' ','0')";
break;
case 'Q':
case 'q':
$s .= "datename(quarter,$col)";
break;
case 'D':
case 'd':
$s .= "replace(str(day($col),2),' ','0')";
break;
case 'h':
$s .= "substring(convert(char(14),$col,0),13,2)";
break;
case 'H':
$s .= "replace(str(datepart(hh,$col),2),' ','0')";
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break;
case 'i':
$s .= "replace(str(datepart(mi,$col),2),' ','0')";
break;
case 's':
$s .= "replace(str(datepart(ss,$col),2),' ','0')";
break;
case 'a':
case 'A':
$s .= "substring(convert(char(19),$col,0),18,2)";
break;
default:
if ($ch == '\\') {
$i++;
$ch = substr($fmt,$i,1);
}
$s .= $this->qstr($ch);
break;
}
}
return $s;
}
}
class ADORecordSet_odbc_mssql extends ADORecordSet_odbc {
var $databaseType = 'odbc_mssql';
function ADORecordSet_odbc_mssql($id,$mode=false)
{
return $this->ADORecordSet_odbc($id,$mode);
}
}
?>