Documentation TYPO3 par Ameos

adodb-odbc_mssql.inc.php

00001 <?php
00002 /* 
00003 V4.80 8 Mar 2006  (c) 2000-2006 John Lim (jlim@natsoft.com.my). All rights reserved.
00004   Released under both BSD license and Lesser GPL library license. 
00005   Whenever there is any discrepancy between the two licenses, 
00006   the BSD license will take precedence. 
00007 Set tabs to 4 for best viewing.
00008   
00009   Latest version is available at http://adodb.sourceforge.net
00010   
00011   MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix. 
00012   For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3
00013 */
00014 
00015 // security - hide paths
00016 if (!defined('ADODB_DIR')) die();
00017 
00018 if (!defined('_ADODB_ODBC_LAYER')) {
00019         include(ADODB_DIR."/drivers/adodb-odbc.inc.php");
00020 }
00021 
00022  
00023 class  ADODB_odbc_mssql extends ADODB_odbc {    
00024         var $databaseType = 'odbc_mssql';
00025         var $fmtDate = "'Y-m-d'";
00026         var $fmtTimeStamp = "'Y-m-d H:i:s'";
00027         var $_bindInputArray = true;
00028         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'))";
00029         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'";
00030         var $hasTop = 'top';            // support mssql/interbase SELECT TOP 10 * FROM TABLE
00031         var $sysDate = 'GetDate()';
00032         var $sysTimeStamp = 'GetDate()';
00033         var $leftOuter = '*=';
00034         var $rightOuter = '=*';
00035         var $substr = 'substring';
00036         var $length = 'len';
00037         var $ansiOuter = true; // for mssql7 or later
00038         var $identitySQL = 'select @@IDENTITY'; // 'select SCOPE_IDENTITY'; # for mssql 2000
00039         var $hasInsertID = true;
00040         var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON, 
00041                                                                                                                   # concatenating a null value with a string yields a NULL result
00042         
00043         function ADODB_odbc_mssql()
00044         {
00045                 $this->ADODB_odbc();
00046                 //$this->curmode = SQL_CUR_USE_ODBC;    
00047         }
00048 
00049         // crashes php...
00050         function ServerInfo()
00051         {
00052         global $ADODB_FETCH_MODE;
00053                 $save = $ADODB_FETCH_MODE;
00054                 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
00055                 $row = $this->GetRow("execute sp_server_info 2");
00056                 $ADODB_FETCH_MODE = $save;
00057                 if (!is_array($row)) return false;
00058                 $arr['description'] = $row[2];
00059                 $arr['version'] = ADOConnection::_findvers($arr['description']);
00060                 return $arr;
00061         }
00062 
00063         function IfNull( $field, $ifNull ) 
00064         {
00065                 return " ISNULL($field, $ifNull) "; // if MS SQL Server
00066         }
00067         
00068         function _insertid()
00069         {
00070         // SCOPE_IDENTITY()
00071         // Returns the last IDENTITY value inserted into an IDENTITY column in 
00072         // the same scope. A scope is a module -- a stored procedure, trigger, 
00073         // function, or batch. Thus, two statements are in the same scope if 
00074         // they are in the same stored procedure, function, or batch.
00075                         return $this->GetOne($this->identitySQL);
00076         }
00077         
00078         
00079         function MetaForeignKeys($table, $owner=false, $upper=false)
00080         {
00081         global $ADODB_FETCH_MODE;
00082         
00083                 $save = $ADODB_FETCH_MODE;
00084                 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
00085                 $table = $this->qstr(strtoupper($table));
00086                 
00087                 $sql = 
00088 "select object_name(constid) as constraint_name,
00089         col_name(fkeyid, fkey) as column_name,
00090         object_name(rkeyid) as referenced_table_name,
00091         col_name(rkeyid, rkey) as referenced_column_name
00092 from sysforeignkeys
00093 where upper(object_name(fkeyid)) = $table
00094 order by constraint_name, referenced_table_name, keyno";
00095                 
00096                 $constraints =& $this->GetArray($sql);
00097                 
00098                 $ADODB_FETCH_MODE = $save;
00099                 
00100                 $arr = false;
00101                 foreach($constraints as $constr) {
00102                         //print_r($constr);
00103                         $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3]; 
00104                 }
00105                 if (!$arr) return false;
00106                 
00107                 $arr2 = false;
00108                 
00109                 foreach($arr as $k => $v) {
00110                         foreach($v as $a => $b) {
00111                                 if ($upper) $a = strtoupper($a);
00112                                 $arr2[$a] = $b;
00113                         }
00114                 }
00115                 return $arr2;
00116         }
00117         
00118         function &MetaTables($ttype=false,$showSchema=false,$mask=false) 
00119         {
00120                 if ($mask) {$this->debug=1;
00121                         $save = $this->metaTablesSQL;
00122                         $mask = $this->qstr($mask);
00123                         $this->metaTablesSQL .= " AND name like $mask";
00124                 }
00125                 $ret =& ADOConnection::MetaTables($ttype,$showSchema);
00126                 
00127                 if ($mask) {
00128                         $this->metaTablesSQL = $save;
00129                 }
00130                 return $ret;
00131         }
00132         
00133         function &MetaColumns($table)
00134         {
00135                 $arr = ADOConnection::MetaColumns($table);
00136                 return $arr;
00137         }
00138         
00139         function _query($sql,$inputarr)
00140         {
00141                 if (is_string($sql)) $sql = str_replace('||','+',$sql);
00142                 return ADODB_odbc::_query($sql,$inputarr);
00143         }
00144         
00145         // "Stein-Aksel Basma" <basma@accelero.no>
00146         // tested with MSSQL 2000
00147         function &MetaPrimaryKeys($table)
00148         {
00149         global $ADODB_FETCH_MODE;
00150         
00151                 $schema = '';
00152                 $this->_findschema($table,$schema);
00153                 //if (!$schema) $schema = $this->database;
00154                 if ($schema) $schema = "and k.table_catalog like '$schema%'"; 
00155         
00156                 $sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k,
00157                 information_schema.table_constraints tc 
00158                 where tc.constraint_name = k.constraint_name and tc.constraint_type =
00159                 'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position ";
00160                 
00161                 $savem = $ADODB_FETCH_MODE;
00162                 $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
00163                 $a = $this->GetCol($sql);
00164                 $ADODB_FETCH_MODE = $savem;
00165                 
00166                 if ($a && sizeof($a)>0) return $a;
00167                 $false = false;
00168                 return $false;    
00169         }
00170         
00171         function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0)
00172         {
00173                 if ($nrows > 0 && $offset <= 0) {
00174                         $sql = preg_replace(
00175                                 '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql);
00176                         $rs =& $this->Execute($sql,$inputarr);
00177                 } else
00178                         $rs =& ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache);
00179                         
00180                 return $rs;
00181         }
00182         
00183         // Format date column in sql string given an input format that understands Y M D
00184         function SQLDate($fmt, $col=false)
00185         {       
00186                 if (!$col) $col = $this->sysTimeStamp;
00187                 $s = '';
00188                 
00189                 $len = strlen($fmt);
00190                 for ($i=0; $i < $len; $i++) {
00191                         if ($s) $s .= '+';
00192                         $ch = $fmt[$i];
00193                         switch($ch) {
00194                         case 'Y':
00195                         case 'y':
00196                                 $s .= "datename(yyyy,$col)";
00197                                 break;
00198                         case 'M':
00199                                 $s .= "convert(char(3),$col,0)";
00200                                 break;
00201                         case 'm':
00202                                 $s .= "replace(str(month($col),2),' ','0')";
00203                                 break;
00204                         case 'Q':
00205                         case 'q':
00206                                 $s .= "datename(quarter,$col)";
00207                                 break;
00208                         case 'D':
00209                         case 'd':
00210                                 $s .= "replace(str(day($col),2),' ','0')";
00211                                 break;
00212                         case 'h':
00213                                 $s .= "substring(convert(char(14),$col,0),13,2)";
00214                                 break;
00215                         
00216                         case 'H':
00217                                 $s .= "replace(str(datepart(hh,$col),2),' ','0')";
00218                                 break;
00219                                 
00220                         case 'i':
00221                                 $s .= "replace(str(datepart(mi,$col),2),' ','0')";
00222                                 break;
00223                         case 's':
00224                                 $s .= "replace(str(datepart(ss,$col),2),' ','0')";
00225                                 break;
00226                         case 'a':
00227                         case 'A':
00228                                 $s .= "substring(convert(char(19),$col,0),18,2)";
00229                                 break;
00230                                 
00231                         default:
00232                                 if ($ch == '\\') {
00233                                         $i++;
00234                                         $ch = substr($fmt,$i,1);
00235                                 }
00236                                 $s .= $this->qstr($ch);
00237                                 break;
00238                         }
00239                 }
00240                 return $s;
00241         }
00242 
00243 } 
00244  
00245 class  ADORecordSet_odbc_mssql extends ADORecordSet_odbc {      
00246         
00247         var $databaseType = 'odbc_mssql';
00248         
00249         function ADORecordSet_odbc_mssql($id,$mode=false)
00250         {
00251                 return $this->ADORecordSet_odbc($id,$mode);
00252         }       
00253 }
00254 ?>


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