--- /dev/null
+<?php
+/*
+V5.02 24 Sept 2007 (c) 2000-2007 John Lim. All rights reserved.
+ 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
+
+ Informix port by Mitchell T. Young (mitch@youngfamily.org)
+
+ Further mods by "Samuel CARRIERE" <samuel_carriere@hotmail.com>
+
+*/
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+if (!defined('IFX_SCROLL')) define('IFX_SCROLL',1);
+
+class ADODB_informix72 extends ADOConnection {
+ var $databaseType = "informix72";
+ var $dataProvider = "informix";
+ var $replaceQuote = "''"; // string to use to replace quotes
+ var $fmtDate = "'Y-m-d'";
+ var $fmtTimeStamp = "'Y-m-d H:i:s'";
+ var $hasInsertID = true;
+ var $hasAffectedRows = true;
+ var $substr = 'substr';
+ var $metaTablesSQL="select tabname,tabtype from systables where tabtype in ('T','V') and owner!='informix'"; //Don't get informix tables and pseudo-tables
+
+
+ var $metaColumnsSQL =
+ "select c.colname, c.coltype, c.collength, d.default,c.colno
+ from syscolumns c, systables t,outer sysdefaults d
+ where c.tabid=t.tabid and d.tabid=t.tabid and d.colno=c.colno
+ and tabname='%s' order by c.colno";
+
+ var $metaPrimaryKeySQL =
+ "select part1,part2,part3,part4,part5,part6,part7,part8 from
+ systables t,sysconstraints s,sysindexes i where t.tabname='%s'
+ and s.tabid=t.tabid and s.constrtype='P'
+ and i.idxname=s.idxname";
+
+ var $concat_operator = '||';
+
+ var $lastQuery = false;
+ var $has_insertid = true;
+
+ var $_autocommit = true;
+ var $_bindInputArray = true; // set to true if ADOConnection.Execute() permits binding of array parameters.
+ var $sysDate = 'TODAY';
+ var $sysTimeStamp = 'CURRENT';
+ var $cursorType = IFX_SCROLL; // IFX_SCROLL or IFX_HOLD or 0
+
+ function ADODB_informix72()
+ {
+ // alternatively, use older method:
+ //putenv("DBDATE=Y4MD-");
+
+ // force ISO date format
+ putenv('GL_DATE=%Y-%m-%d');
+
+ if (function_exists('ifx_byteasvarchar')) {
+ ifx_byteasvarchar(1); // Mode "0" will return a blob id, and mode "1" will return a varchar with text content.
+ ifx_textasvarchar(1); // Mode "0" will return a blob id, and mode "1" will return a varchar with text content.
+ ifx_blobinfile_mode(0); // Mode "0" means save Byte-Blobs in memory, and mode "1" means save Byte-Blobs in a file.
+ }
+ }
+
+ function ServerInfo()
+ {
+ if (isset($this->version)) return $this->version;
+
+ $arr['description'] = $this->GetOne("select DBINFO('version','full') from systables where tabid = 1");
+ $arr['version'] = $this->GetOne("select DBINFO('version','major') || DBINFO('version','minor') from systables where tabid = 1");
+ $this->version = $arr;
+ return $arr;
+ }
+
+
+
+ function _insertid()
+ {
+ $sqlca =ifx_getsqlca($this->lastQuery);
+ return @$sqlca["sqlerrd1"];
+ }
+
+ function _affectedrows()
+ {
+ if ($this->lastQuery) {
+ return @ifx_affected_rows ($this->lastQuery);
+ }
+ return 0;
+ }
+
+ function BeginTrans()
+ {
+ if ($this->transOff) return true;
+ $this->transCnt += 1;
+ $this->Execute('BEGIN');
+ $this->_autocommit = false;
+ return true;
+ }
+
+ function CommitTrans($ok=true)
+ {
+ if (!$ok) return $this->RollbackTrans();
+ if ($this->transOff) return true;
+ if ($this->transCnt) $this->transCnt -= 1;
+ $this->Execute('COMMIT');
+ $this->_autocommit = true;
+ return true;
+ }
+
+ function RollbackTrans()
+ {
+ if ($this->transOff) return true;
+ if ($this->transCnt) $this->transCnt -= 1;
+ $this->Execute('ROLLBACK');
+ $this->_autocommit = true;
+ return true;
+ }
+
+ function RowLock($tables,$where,$flds='1 as ignore')
+ {
+ if ($this->_autocommit) $this->BeginTrans();
+ return $this->GetOne("select $flds from $tables where $where for update");
+ }
+
+ /* Returns: the last error message from previous database operation
+ Note: This function is NOT available for Microsoft SQL Server. */
+
+ function ErrorMsg()
+ {
+ if (!empty($this->_logsql)) return $this->_errorMsg;
+ $this->_errorMsg = ifx_errormsg();
+ return $this->_errorMsg;
+ }
+
+ function ErrorNo()
+ {
+ preg_match("/.*SQLCODE=([^\]]*)/",ifx_error(),$parse);
+ if (is_array($parse) && isset($parse[1])) return (int)$parse[1];
+ return 0;
+ }
+
+
+ function MetaColumns($table)
+ {
+ global $ADODB_FETCH_MODE;
+
+ $false = false;
+ if (!empty($this->metaColumnsSQL)) {
+ $save = $ADODB_FETCH_MODE;
+ $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+ if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
+ $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table));
+ if (isset($savem)) $this->SetFetchMode($savem);
+ $ADODB_FETCH_MODE = $save;
+ if ($rs === false) return $false;
+ $rspkey = $this->Execute(sprintf($this->metaPrimaryKeySQL,$table)); //Added to get primary key colno items
+
+ $retarr = array();
+ while (!$rs->EOF) { //print_r($rs->fields);
+ $fld = new ADOFieldObject();
+ $fld->name = $rs->fields[0];
+/* //!eos.
+ $rs->fields[1] is not the correct adodb type
+ $rs->fields[2] is not correct max_length, because can include not-null bit
+
+ $fld->type = $rs->fields[1];
+ $fld->primary_key=$rspkey->fields && array_search($rs->fields[4],$rspkey->fields); //Added to set primary key flag
+ $fld->max_length = $rs->fields[2];*/
+ $pr=ifx_props($rs->fields[1],$rs->fields[2]); //!eos
+ $fld->type = $pr[0] ;//!eos
+ $fld->primary_key=$rspkey->fields && array_search($rs->fields[4],$rspkey->fields);
+ $fld->max_length = $pr[1]; //!eos
+ $fld->precision = $pr[2] ;//!eos
+ $fld->not_null = $pr[3]=="N"; //!eos
+
+ if (trim($rs->fields[3]) != "AAAAAA 0") {
+ $fld->has_default = 1;
+ $fld->default_value = $rs->fields[3];
+ } else {
+ $fld->has_default = 0;
+ }
+
+ $retarr[strtolower($fld->name)] = $fld;
+ $rs->MoveNext();
+ }
+
+ $rs->Close();
+ $rspkey->Close(); //!eos
+ return $retarr;
+ }
+
+ return $false;
+ }
+
+ function xMetaColumns($table)
+ {
+ return ADOConnection::MetaColumns($table,false);
+ }
+
+ function MetaForeignKeys($table, $owner=false, $upper=false) //!Eos
+ {
+ $sql = "
+ select tr.tabname,updrule,delrule,
+ i.part1 o1,i2.part1 d1,i.part2 o2,i2.part2 d2,i.part3 o3,i2.part3 d3,i.part4 o4,i2.part4 d4,
+ i.part5 o5,i2.part5 d5,i.part6 o6,i2.part6 d6,i.part7 o7,i2.part7 d7,i.part8 o8,i2.part8 d8
+ from systables t,sysconstraints s,sysindexes i,
+ sysreferences r,systables tr,sysconstraints s2,sysindexes i2
+ where t.tabname='$table'
+ and s.tabid=t.tabid and s.constrtype='R' and r.constrid=s.constrid
+ and i.idxname=s.idxname and tr.tabid=r.ptabid
+ and s2.constrid=r.primary and i2.idxname=s2.idxname";
+
+ $rs = $this->Execute($sql);
+ if (!$rs || $rs->EOF) return false;
+ $arr = $rs->GetArray();
+ $a = array();
+ foreach($arr as $v) {
+ $coldest=$this->metaColumnNames($v["tabname"]);
+ $colorig=$this->metaColumnNames($table);
+ $colnames=array();
+ for($i=1;$i<=8 && $v["o$i"] ;$i++) {
+ $colnames[]=$coldest[$v["d$i"]-1]."=".$colorig[$v["o$i"]-1];
+ }
+ if($upper)
+ $a[strtoupper($v["tabname"])] = $colnames;
+ else
+ $a[$v["tabname"]] = $colnames;
+ }
+ return $a;
+ }
+
+ function UpdateBlob($table, $column, $val, $where, $blobtype = 'BLOB')
+ {
+ $type = ($blobtype == 'TEXT') ? 1 : 0;
+ $blobid = ifx_create_blob($type,0,$val);
+ return $this->Execute("UPDATE $table SET $column=(?) WHERE $where",array($blobid));
+ }
+
+ function BlobDecode($blobid)
+ {
+ return function_exists('ifx_byteasvarchar') ? $blobid : @ifx_get_blob($blobid);
+ }
+
+ // returns true or false
+ function _connect($argHostname, $argUsername, $argPassword, $argDatabasename)
+ {
+ if (!function_exists('ifx_connect')) return null;
+
+ $dbs = $argDatabasename . "@" . $argHostname;
+ if ($argHostname) putenv("INFORMIXSERVER=$argHostname");
+ putenv("INFORMIXSERVER=".trim($argHostname));
+ $this->_connectionID = ifx_connect($dbs,$argUsername,$argPassword);
+ if ($this->_connectionID === false) return false;
+ #if ($argDatabasename) return $this->SelectDB($argDatabasename);
+ return true;
+ }
+
+ // returns true or false
+ function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename)
+ {
+ if (!function_exists('ifx_connect')) return null;
+
+ $dbs = $argDatabasename . "@" . $argHostname;
+ putenv("INFORMIXSERVER=".trim($argHostname));
+ $this->_connectionID = ifx_pconnect($dbs,$argUsername,$argPassword);
+ if ($this->_connectionID === false) return false;
+ #if ($argDatabasename) return $this->SelectDB($argDatabasename);
+ return true;
+ }
+/*
+ // ifx_do does not accept bind parameters - weird ???
+ function Prepare($sql)
+ {
+ $stmt = ifx_prepare($sql);
+ if (!$stmt) return $sql;
+ else return array($sql,$stmt);
+ }
+*/
+ // returns query ID if successful, otherwise false
+ function _query($sql,$inputarr)
+ {
+ global $ADODB_COUNTRECS;
+
+ // String parameters have to be converted using ifx_create_char
+ if ($inputarr) {
+ foreach($inputarr as $v) {
+ if (gettype($v) == 'string') {
+ $tab[] = ifx_create_char($v);
+ }
+ else {
+ $tab[] = $v;
+ }
+ }
+ }
+
+ // In case of select statement, we use a scroll cursor in order
+ // to be able to call "move", or "movefirst" statements
+ if (!$ADODB_COUNTRECS && preg_match("/^\s*select/is", $sql)) {
+ if ($inputarr) {
+ $this->lastQuery = ifx_query($sql,$this->_connectionID, $this->cursorType, $tab);
+ }
+ else {
+ $this->lastQuery = ifx_query($sql,$this->_connectionID, $this->cursorType);
+ }
+ }
+ else {
+ if ($inputarr) {
+ $this->lastQuery = ifx_query($sql,$this->_connectionID, $tab);
+ }
+ else {
+ $this->lastQuery = ifx_query($sql,$this->_connectionID);
+ }
+ }
+
+ // Following line have been commented because autocommit mode is
+ // not supported by informix SE 7.2
+
+ //if ($this->_autocommit) ifx_query('COMMIT',$this->_connectionID);
+
+ return $this->lastQuery;
+ }
+
+ // returns true or false
+ function _close()
+ {
+ $this->lastQuery = false;
+ return ifx_close($this->_connectionID);
+ }
+}
+
+
+/*--------------------------------------------------------------------------------------
+ Class Name: Recordset
+--------------------------------------------------------------------------------------*/
+
+class ADORecordset_informix72 extends ADORecordSet {
+
+ var $databaseType = "informix72";
+ var $canSeek = true;
+ var $_fieldprops = false;
+
+ function ADORecordset_informix72($id,$mode=false)
+ {
+ if ($mode === false) {
+ global $ADODB_FETCH_MODE;
+ $mode = $ADODB_FETCH_MODE;
+ }
+ $this->fetchMode = $mode;
+ return $this->ADORecordSet($id);
+ }
+
+
+
+ /* Returns: an object containing field information.
+ Get column information in the Recordset object. fetchField() can be used in order to obtain information about
+ fields in a certain query result. If the field offset isn't specified, the next field that wasn't yet retrieved by
+ fetchField() is retrieved. */
+ function FetchField($fieldOffset = -1)
+ {
+ if (empty($this->_fieldprops)) {
+ $fp = ifx_fieldproperties($this->_queryID);
+ foreach($fp as $k => $v) {
+ $o = new ADOFieldObject;
+ $o->name = $k;
+ $arr = split(';',$v); //"SQLTYPE;length;precision;scale;ISNULLABLE"
+ $o->type = $arr[0];
+ $o->max_length = $arr[1];
+ $this->_fieldprops[] = $o;
+ $o->not_null = $arr[4]=="N";
+ }
+ }
+ $ret = $this->_fieldprops[$fieldOffset];
+ return $ret;
+ }
+
+ function _initrs()
+ {
+ $this->_numOfRows = -1; // ifx_affected_rows not reliable, only returns estimate -- ($ADODB_COUNTRECS)? ifx_affected_rows($this->_queryID):-1;
+ $this->_numOfFields = ifx_num_fields($this->_queryID);
+ }
+
+ function _seek($row)
+ {
+ return @ifx_fetch_row($this->_queryID, (int) $row);
+ }
+
+ function MoveLast()
+ {
+ $this->fields = @ifx_fetch_row($this->_queryID, "LAST");
+ if ($this->fields) $this->EOF = false;
+ $this->_currentRow = -1;
+
+ if ($this->fetchMode == ADODB_FETCH_NUM) {
+ foreach($this->fields as $v) {
+ $arr[] = $v;
+ }
+ $this->fields = $arr;
+ }
+
+ return true;
+ }
+
+ function MoveFirst()
+ {
+ $this->fields = @ifx_fetch_row($this->_queryID, "FIRST");
+ if ($this->fields) $this->EOF = false;
+ $this->_currentRow = 0;
+
+ if ($this->fetchMode == ADODB_FETCH_NUM) {
+ foreach($this->fields as $v) {
+ $arr[] = $v;
+ }
+ $this->fields = $arr;
+ }
+
+ return true;
+ }
+
+ function _fetch($ignore_fields=false)
+ {
+
+ $this->fields = @ifx_fetch_row($this->_queryID);
+
+ if (!is_array($this->fields)) return false;
+
+ if ($this->fetchMode == ADODB_FETCH_NUM) {
+ foreach($this->fields as $v) {
+ $arr[] = $v;
+ }
+ $this->fields = $arr;
+ }
+ return true;
+ }
+
+ /* close() only needs to be called if you are worried about using too much memory while your script
+ is running. All associated result memory for the specified result identifier will automatically be freed. */
+ function _close()
+ {
+ return ifx_free_result($this->_queryID);
+ }
+
+}
+/** !Eos
+* Auxiliar function to Parse coltype,collength. Used by Metacolumns
+* return: array ($mtype,$length,$precision,$nullable) (similar to ifx_fieldpropierties)
+*/
+function ifx_props($coltype,$collength){
+ $itype=fmod($coltype+1,256);
+ $nullable=floor(($coltype+1) /256) ?"N":"Y";
+ $mtype=substr(" CIIFFNNDN TBXCC ",$itype,1);
+ switch ($itype){
+ case 2:
+ $length=4;
+ case 6:
+ case 9:
+ case 14:
+ $length=floor($collength/256);
+ $precision=fmod($collength,256);
+ break;
+ default:
+ $precision=0;
+ $length=$collength;
+ }
+ return array($mtype,$length,$precision,$nullable);
+}
+
+
+?>
\ No newline at end of file
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