forked from extern/egroupware
239 lines
6.9 KiB
PHP
239 lines
6.9 KiB
PHP
<?php
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/*
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V4.20 22 Feb 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.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 4 for best viewing.
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Latest version is available at http://php.weblogs.com/
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MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix.
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For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3
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*/
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if (!defined('_ADODB_ODBC_LAYER')) {
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include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
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}
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class ADODB_odbc_mssql extends ADODB_odbc {
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var $databaseType = 'odbc_mssql';
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var $fmtDate = "'Y-m-d'";
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var $fmtTimeStamp = "'Y-m-d h:i:sA'";
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var $_bindInputArray = true;
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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'))";
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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'";
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var $hasTop = 'top'; // support mssql/interbase SELECT TOP 10 * FROM TABLE
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var $sysDate = 'GetDate()';
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var $sysTimeStamp = 'GetDate()';
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var $leftOuter = '*=';
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var $rightOuter = '=*';
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var $upperCase = 'upper';
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var $substr = 'substring';
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var $length = 'len';
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var $ansiOuter = true; // for mssql7 or later
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var $identitySQL = 'select @@IDENTITY'; // 'select SCOPE_IDENTITY'; # for mssql 2000
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var $hasInsertID = true;
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var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON,
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# concatenating a null value with a string yields a NULL result
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function ADODB_odbc_mssql()
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{
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$this->ADODB_odbc();
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$this->curmode = SQL_CUR_USE_ODBC;
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}
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// crashes php...
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function ServerInfo()
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{
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global $ADODB_FETCH_MODE;
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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$row = $this->GetRow("execute sp_server_info 2");
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$ADODB_FETCH_MODE = $save;
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if (!is_array($row)) return false;
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$arr['description'] = $row[2];
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$arr['version'] = ADOConnection::_findvers($arr['description']);
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return $arr;
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}
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function IfNull( $field, $ifNull )
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{
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return " ISNULL($field, $ifNull) "; // if MS SQL Server
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}
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function _insertid()
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{
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// SCOPE_IDENTITY()
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// Returns the last IDENTITY value inserted into an IDENTITY column in
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// the same scope. A scope is a module -- a stored procedure, trigger,
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// function, or batch. Thus, two statements are in the same scope if
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// they are in the same stored procedure, function, or batch.
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return $this->GetOne($this->identitySQL);
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}
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function MetaForeignKeys($table, $owner=false, $upper=false)
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{
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global $ADODB_FETCH_MODE;
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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$table = $this->qstr(strtoupper($table));
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$sql =
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"select object_name(constid) as constraint_name,
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col_name(fkeyid, fkey) as column_name,
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object_name(rkeyid) as referenced_table_name,
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col_name(rkeyid, rkey) as referenced_column_name
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from sysforeignkeys
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where upper(object_name(fkeyid)) = $table
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order by constraint_name, referenced_table_name, keyno";
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$constraints =& $this->GetArray($sql);
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$ADODB_FETCH_MODE = $save;
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$arr = false;
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foreach($constraints as $constr) {
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//print_r($constr);
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$arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
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}
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if (!$arr) return false;
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$arr2 = false;
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foreach($arr as $k => $v) {
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foreach($v as $a => $b) {
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if ($upper) $a = strtoupper($a);
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$arr2[$a] = $b;
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}
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}
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return $arr2;
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}
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function &MetaTables($ttype=false,$showSchema=false,$mask=false)
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{
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if ($mask) {$this->debug=1;
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$save = $this->metaTablesSQL;
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$mask = $this->qstr($mask);
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$this->metaTablesSQL .= " AND name like $mask";
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}
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$ret =& ADOConnection::MetaTables($ttype,$showSchema);
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if ($mask) {
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$this->metaTablesSQL = $save;
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}
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return $ret;
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}
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function &MetaColumns($table)
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{
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return ADOConnection::MetaColumns($table);
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}
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function _query($sql,$inputarr)
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{
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if (is_string($sql)) $sql = str_replace('||','+',$sql);
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return ADODB_odbc::_query($sql,$inputarr);
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}
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// "Stein-Aksel Basma" <basma@accelero.no>
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// tested with MSSQL 2000
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function &MetaPrimaryKeys($table)
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{
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$sql = "select k.column_name from information_schema.key_column_usage k,
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information_schema.table_constraints tc
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where tc.constraint_name = k.constraint_name and tc.constraint_type =
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'PRIMARY KEY' and k.table_name = '$table'";
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$a = $this->GetCol($sql);
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if ($a && sizeof($a)>0) return $a;
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return false;
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}
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function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
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{
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if ($nrows > 0 && $offset <= 0) {
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$sql = preg_replace(
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'/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
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$rs =& $this->Execute($sql,$inputarr);
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} else
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$rs =& ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
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return $rs;
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}
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// Format date column in sql string given an input format that understands Y M D
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function SQLDate($fmt, $col=false)
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{
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if (!$col) $col = $this->sysTimeStamp;
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$s = '';
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$len = strlen($fmt);
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for ($i=0; $i < $len; $i++) {
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if ($s) $s .= '+';
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$ch = $fmt[$i];
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switch($ch) {
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case 'Y':
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case 'y':
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$s .= "datename(yyyy,$col)";
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break;
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case 'M':
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$s .= "convert(char(3),$col,0)";
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break;
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case 'm':
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$s .= "replace(str(month($col),2),' ','0')";
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break;
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case 'Q':
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case 'q':
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$s .= "datename(quarter,$col)";
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break;
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case 'D':
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case 'd':
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$s .= "replace(str(day($col),2),' ','0')";
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break;
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case 'h':
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$s .= "substring(convert(char(14),$col,0),13,2)";
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break;
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case 'H':
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$s .= "replace(str(datepart(hh,$col),2),' ','0')";
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break;
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case 'i':
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$s .= "replace(str(datepart(mi,$col),2),' ','0')";
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break;
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case 's':
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$s .= "replace(str(datepart(ss,$col),2),' ','0')";
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break;
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case 'a':
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case 'A':
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$s .= "substring(convert(char(19),$col,0),18,2)";
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break;
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default:
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if ($ch == '\\') {
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$i++;
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$ch = substr($fmt,$i,1);
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}
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$s .= $this->qstr($ch);
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break;
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}
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}
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return $s;
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}
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}
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class ADORecordSet_odbc_mssql extends ADORecordSet_odbc {
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var $databaseType = 'odbc_mssql';
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function ADORecordSet_odbc_mssql($id,$mode=false)
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{
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return $this->ADORecordSet_odbc($id,$mode);
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}
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}
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?>
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