| 1 | <?php |
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| 2 | /* |
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| 3 | V4.51 29 July 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved. |
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| 4 | Released under both BSD license and Lesser GPL library license. |
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| 5 | Whenever there is any discrepancy between the two licenses, |
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| 6 | the BSD license will take precedence. |
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| 7 | Set tabs to 4 for best viewing. |
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| 8 | |
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| 9 | Latest version is available at http://adodb.sourceforge.net |
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| 10 | |
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| 11 | MSSQL support via ODBC. Requires ODBC. Works on Windows and Unix. |
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| 12 | For Unix configuration, see http://phpbuilder.com/columns/alberto20000919.php3 |
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| 13 | */ |
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| 14 | |
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| 15 | // security - hide paths |
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| 16 | if (!defined('ADODB_DIR')) die(); |
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| 17 | |
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| 18 | if (!defined('_ADODB_ODBC_LAYER')) { |
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| 19 | include(ADODB_DIR."/drivers/adodb-odbc.inc.php"); |
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| 20 | } |
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| 21 | |
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| 22 | |
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| 23 | class ADODB_odbc_mssql extends ADODB_odbc { |
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| 24 | var $databaseType = 'odbc_mssql'; |
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| 25 | var $fmtDate = "'Y-m-d'"; |
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| 26 | var $fmtTimeStamp = "'Y-m-d h:i:sA'"; |
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| 27 | var $_bindInputArray = true; |
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| 28 | 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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| 29 | 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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| 30 | var $hasTop = 'top'; // support mssql/interbase SELECT TOP 10 * FROM TABLE |
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| 31 | var $sysDate = 'GetDate()'; |
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| 32 | var $sysTimeStamp = 'GetDate()'; |
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| 33 | var $leftOuter = '*='; |
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| 34 | var $rightOuter = '=*'; |
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| 35 | var $substr = 'substring'; |
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| 36 | var $length = 'len'; |
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| 37 | var $ansiOuter = true; // for mssql7 or later |
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| 38 | var $identitySQL = 'select @@IDENTITY'; // 'select SCOPE_IDENTITY'; # for mssql 2000 |
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| 39 | var $hasInsertID = true; |
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| 40 | var $connectStmt = 'SET CONCAT_NULL_YIELDS_NULL OFF'; # When SET CONCAT_NULL_YIELDS_NULL is ON, |
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| 41 | # concatenating a null value with a string yields a NULL result |
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| 42 | |
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| 43 | function ADODB_odbc_mssql() |
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| 44 | { |
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| 45 | $this->ADODB_odbc(); |
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| 46 | $this->curmode = SQL_CUR_USE_ODBC; |
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| 47 | } |
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| 48 | |
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| 49 | // crashes php... |
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| 50 | function ServerInfo() |
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| 51 | { |
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| 52 | global $ADODB_FETCH_MODE; |
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| 53 | $save = $ADODB_FETCH_MODE; |
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| 54 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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| 55 | $row = $this->GetRow("execute sp_server_info 2"); |
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| 56 | $ADODB_FETCH_MODE = $save; |
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| 57 | if (!is_array($row)) return false; |
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| 58 | $arr['description'] = $row[2]; |
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| 59 | $arr['version'] = ADOConnection::_findvers($arr['description']); |
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| 60 | return $arr; |
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| 61 | } |
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| 62 | |
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| 63 | function IfNull( $field, $ifNull ) |
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| 64 | { |
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| 65 | return " ISNULL($field, $ifNull) "; // if MS SQL Server |
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| 66 | } |
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| 67 | |
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| 68 | function _insertid() |
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| 69 | { |
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| 70 | // SCOPE_IDENTITY() |
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| 71 | // Returns the last IDENTITY value inserted into an IDENTITY column in |
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| 72 | // the same scope. A scope is a module -- a stored procedure, trigger, |
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| 73 | // function, or batch. Thus, two statements are in the same scope if |
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| 74 | // they are in the same stored procedure, function, or batch. |
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| 75 | return $this->GetOne($this->identitySQL); |
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| 76 | } |
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| 77 | |
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| 78 | |
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| 79 | function MetaForeignKeys($table, $owner=false, $upper=false) |
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| 80 | { |
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| 81 | global $ADODB_FETCH_MODE; |
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| 82 | |
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| 83 | $save = $ADODB_FETCH_MODE; |
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| 84 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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| 85 | $table = $this->qstr(strtoupper($table)); |
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| 86 | |
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| 87 | $sql = |
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| 88 | "select object_name(constid) as constraint_name, |
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| 89 | col_name(fkeyid, fkey) as column_name, |
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| 90 | object_name(rkeyid) as referenced_table_name, |
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| 91 | col_name(rkeyid, rkey) as referenced_column_name |
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| 92 | from sysforeignkeys |
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| 93 | where upper(object_name(fkeyid)) = $table |
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| 94 | order by constraint_name, referenced_table_name, keyno"; |
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| 95 | |
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| 96 | $constraints =& $this->GetArray($sql); |
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| 97 | |
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| 98 | $ADODB_FETCH_MODE = $save; |
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| 99 | |
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| 100 | $arr = false; |
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| 101 | foreach($constraints as $constr) { |
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| 102 | //print_r($constr); |
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| 103 | $arr[$constr[0]][$constr[2]][] = $constr[1].'='.$constr[3]; |
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| 104 | } |
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| 105 | if (!$arr) return false; |
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| 106 | |
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| 107 | $arr2 = false; |
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| 108 | |
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| 109 | foreach($arr as $k => $v) { |
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| 110 | foreach($v as $a => $b) { |
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| 111 | if ($upper) $a = strtoupper($a); |
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| 112 | $arr2[$a] = $b; |
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| 113 | } |
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| 114 | } |
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| 115 | return $arr2; |
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| 116 | } |
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| 117 | |
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| 118 | function &MetaTables($ttype=false,$showSchema=false,$mask=false) |
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| 119 | { |
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| 120 | if ($mask) {$this->debug=1; |
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| 121 | $save = $this->metaTablesSQL; |
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| 122 | $mask = $this->qstr($mask); |
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| 123 | $this->metaTablesSQL .= " AND name like $mask"; |
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| 124 | } |
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| 125 | $ret =& ADOConnection::MetaTables($ttype,$showSchema); |
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| 126 | |
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| 127 | if ($mask) { |
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| 128 | $this->metaTablesSQL = $save; |
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| 129 | } |
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| 130 | return $ret; |
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| 131 | } |
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| 132 | |
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| 133 | function &MetaColumns($table) |
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| 134 | { |
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| 135 | return ADOConnection::MetaColumns($table); |
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| 136 | } |
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| 137 | |
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| 138 | function _query($sql,$inputarr) |
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| 139 | { |
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| 140 | if (is_string($sql)) $sql = str_replace('||','+',$sql); |
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| 141 | return ADODB_odbc::_query($sql,$inputarr); |
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| 142 | } |
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| 143 | |
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| 144 | // "Stein-Aksel Basma" <basma@accelero.no> |
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| 145 | // tested with MSSQL 2000 |
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| 146 | function &MetaPrimaryKeys($table) |
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| 147 | { |
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| 148 | global $ADODB_FETCH_MODE; |
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| 149 | |
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| 150 | $schema = ''; |
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| 151 | $this->_findschema($table,$schema); |
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| 152 | //if (!$schema) $schema = $this->database; |
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| 153 | if ($schema) $schema = "and k.table_catalog like '$schema%'"; |
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| 154 | |
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| 155 | $sql = "select distinct k.column_name,ordinal_position from information_schema.key_column_usage k, |
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| 156 | information_schema.table_constraints tc |
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| 157 | where tc.constraint_name = k.constraint_name and tc.constraint_type = |
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| 158 | 'PRIMARY KEY' and k.table_name = '$table' $schema order by ordinal_position "; |
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| 159 | |
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| 160 | $savem = $ADODB_FETCH_MODE; |
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| 161 | $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; |
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| 162 | $a = $this->GetCol($sql); |
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| 163 | $ADODB_FETCH_MODE = $savem; |
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| 164 | |
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| 165 | if ($a && sizeof($a)>0) return $a; |
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| 166 | return false; |
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| 167 | } |
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| 168 | |
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| 169 | function &SelectLimit($sql,$nrows=-1,$offset=-1, $inputarr=false,$secs2cache=0) |
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| 170 | { |
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| 171 | if ($nrows > 0 && $offset <= 0) { |
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| 172 | $sql = preg_replace( |
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| 173 | '/(^\s*select\s+(distinctrow|distinct)?)/i','\\1 '.$this->hasTop." $nrows ",$sql); |
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| 174 | $rs =& $this->Execute($sql,$inputarr); |
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| 175 | } else |
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| 176 | $rs =& ADOConnection::SelectLimit($sql,$nrows,$offset,$inputarr,$secs2cache); |
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| 177 | |
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| 178 | return $rs; |
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| 179 | } |
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| 180 | |
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| 181 | // Format date column in sql string given an input format that understands Y M D |
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| 182 | function SQLDate($fmt, $col=false) |
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| 183 | { |
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| 184 | if (!$col) $col = $this->sysTimeStamp; |
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| 185 | $s = ''; |
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| 186 | |
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| 187 | $len = strlen($fmt); |
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| 188 | for ($i=0; $i < $len; $i++) { |
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| 189 | if ($s) $s .= '+'; |
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| 190 | $ch = $fmt[$i]; |
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| 191 | switch($ch) { |
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| 192 | case 'Y': |
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| 193 | case 'y': |
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| 194 | $s .= "datename(yyyy,$col)"; |
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| 195 | break; |
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| 196 | case 'M': |
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| 197 | $s .= "convert(char(3),$col,0)"; |
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| 198 | break; |
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| 199 | case 'm': |
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| 200 | $s .= "replace(str(month($col),2),' ','0')"; |
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| 201 | break; |
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| 202 | case 'Q': |
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| 203 | case 'q': |
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| 204 | $s .= "datename(quarter,$col)"; |
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| 205 | break; |
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| 206 | case 'D': |
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| 207 | case 'd': |
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| 208 | $s .= "replace(str(day($col),2),' ','0')"; |
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| 209 | break; |
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| 210 | case 'h': |
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| 211 | $s .= "substring(convert(char(14),$col,0),13,2)"; |
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| 212 | break; |
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| 213 | |
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| 214 | case 'H': |
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| 215 | $s .= "replace(str(datepart(hh,$col),2),' ','0')"; |
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| 216 | break; |
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| 217 | |
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| 218 | case 'i': |
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| 219 | $s .= "replace(str(datepart(mi,$col),2),' ','0')"; |
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| 220 | break; |
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| 221 | case 's': |
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| 222 | $s .= "replace(str(datepart(ss,$col),2),' ','0')"; |
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| 223 | break; |
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| 224 | case 'a': |
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| 225 | case 'A': |
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| 226 | $s .= "substring(convert(char(19),$col,0),18,2)"; |
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| 227 | break; |
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| 228 | |
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| 229 | default: |
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| 230 | if ($ch == '\\') { |
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| 231 | $i++; |
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| 232 | $ch = substr($fmt,$i,1); |
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| 233 | } |
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| 234 | $s .= $this->qstr($ch); |
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| 235 | break; |
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| 236 | } |
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| 237 | } |
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| 238 | return $s; |
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| 239 | } |
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| 240 | |
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| 241 | } |
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| 242 | |
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| 243 | class ADORecordSet_odbc_mssql extends ADORecordSet_odbc { |
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| 244 | |
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| 245 | var $databaseType = 'odbc_mssql'; |
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| 246 | |
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| 247 | function ADORecordSet_odbc_mssql($id,$mode=false) |
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| 248 | { |
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| 249 | return $this->ADORecordSet_odbc($id,$mode); |
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| 250 | } |
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| 251 | } |
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| 252 | ?> |
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