3 V4.22 15 Apr 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
4 Released under both BSD license and Lesser GPL library license.
5 Whenever there is any discrepancy between the two licenses,
6 the BSD license will take precedence.
7 Set tabs to 4 for best viewing.
9 Latest version is available at http://php.weblogs.com/
11 MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix.
12 For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3
15 if (!defined('_ADODB_ODBC_LAYER')) {
16 include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
19 class ADODB_odbc_mssql extends ADODB_odbc {
20 var $databaseType = 'odbc_mssql';
21 var $fmtDate = "'Y-m-d'";
22 var $fmtTimeStamp = "'Y-m-d h:i:sA'";
23 var $_bindInputArray = true;
24 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'))";
25 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'";
26 var $hasTop = 'top'; // support mssql/interbase SELECT TOP 10 * FROM TABLE
27 var $sysDate = 'GetDate()';
28 var $sysTimeStamp = 'GetDate()';
29 var $leftOuter = '*=';
30 var $rightOuter = '=*';
31 var $upperCase = 'upper';
32 var $substr = 'substring';
34 var $ansiOuter = true; // for mssql7 or later
35 var $identitySQL = 'select @@IDENTITY'; // 'select SCOPE_IDENTITY'; # for mssql 2000
36 var $hasInsertID = true;
37 var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON,
38 # concatenating a null value with a string yields a NULL result
40 function ADODB_odbc_mssql()
43 $this->curmode = SQL_CUR_USE_ODBC;
49 global $ADODB_FETCH_MODE;
50 $save = $ADODB_FETCH_MODE;
51 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
52 $row = $this->GetRow("execute sp_server_info 2");
53 $ADODB_FETCH_MODE = $save;
54 if (!is_array($row)) return false;
55 $arr['description'] = $row[2];
56 $arr['version'] = ADOConnection::_findvers($arr['description']);
60 function IfNull( $field, $ifNull )
62 return " ISNULL($field, $ifNull) "; // if MS SQL Server
68 // Returns the last IDENTITY value inserted into an IDENTITY column in
69 // the same scope. A scope is a module -- a stored procedure, trigger,
70 // function, or batch. Thus, two statements are in the same scope if
71 // they are in the same stored procedure, function, or batch.
72 return $this->GetOne($this->identitySQL);
75 function MetaForeignKeys($table, $owner=false, $upper=false)
77 global $ADODB_FETCH_MODE;
79 $save = $ADODB_FETCH_MODE;
80 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
81 $table = $this->qstr(strtoupper($table));
84 "select object_name(constid) as constraint_name,
85 col_name(fkeyid, fkey) as column_name,
86 object_name(rkeyid) as referenced_table_name,
87 col_name(rkeyid, rkey) as referenced_column_name
89 where upper(object_name(fkeyid)) = $table
90 order by constraint_name, referenced_table_name, keyno";
92 $constraints =& $this->GetArray($sql);
94 $ADODB_FETCH_MODE = $save;
97 foreach($constraints as $constr) {
99 $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3];
101 if (!$arr) return false;
105 foreach($arr as $k => $v) {
106 foreach($v as $a => $b) {
107 if ($upper) $a = strtoupper($a);
114 function &MetaTables($ttype=false,$showSchema=false,$mask=false)
116 if ($mask) {$this->debug=1;
117 $save = $this->metaTablesSQL;
118 $mask = $this->qstr($mask);
119 $this->metaTablesSQL .= " AND name like $mask";
121 $ret =& ADOConnection::MetaTables($ttype,$showSchema);
124 $this->metaTablesSQL = $save;
129 function &MetaColumns($table)
131 return ADOConnection::MetaColumns($table);
134 function _query($sql,$inputarr)
136 if (is_string($sql)) $sql = str_replace('||','+',$sql);
137 return ADODB_odbc::_query($sql,$inputarr);
140 // "Stein-Aksel Basma" <basma@accelero.no>
141 // tested with MSSQL 2000
142 function &MetaPrimaryKeys($table)
144 $sql = "select k.column_name from information_schema.key_column_usage k,
145 information_schema.table_constraints tc
146 where tc.constraint_name = k.constraint_name and tc.constraint_type =
147 'PRIMARY KEY' and k.table_name = '$table'";
149 $a = $this->GetCol($sql);
150 if ($a && sizeof($a)>0) return $a;
154 function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
156 if ($nrows > 0 && $offset <= 0) {
158 '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
159 $rs =& $this->Execute($sql,$inputarr);
161 $rs =& ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
166 // Format date column in sql string given an input format that understands Y M D
167 function SQLDate($fmt, $col=false)
169 if (!$col) $col = $this->sysTimeStamp;
173 for ($i=0; $i < $len; $i++) {
179 $s .= "datename(yyyy,$col)";
182 $s .= "convert(char(3),$col,0)";
185 $s .= "replace(str(month($col),2),' ','0')";
189 $s .= "datename(quarter,$col)";
193 $s .= "replace(str(day($col),2),' ','0')";
196 $s .= "substring(convert(char(14),$col,0),13,2)";
200 $s .= "replace(str(datepart(hh,$col),2),' ','0')";
204 $s .= "replace(str(datepart(mi,$col),2),' ','0')";
207 $s .= "replace(str(datepart(ss,$col),2),' ','0')";
211 $s .= "substring(convert(char(19),$col,0),18,2)";
217 $ch = substr($fmt,$i,1);
219 $s .= $this->qstr($ch);
228 class ADORecordSet_odbc_mssql extends ADORecordSet_odbc {
230 var $databaseType = 'odbc_mssql';
232 function ADORecordSet_odbc_mssql($id,$mode=false)
234 return $this->ADORecordSet_odbc($id,$mode);