diff options
Diffstat (limited to 'framework/DataAccess/adodb/drivers/adodb-informix72.inc.php')
| -rw-r--r-- | framework/DataAccess/adodb/drivers/adodb-informix72.inc.php | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/framework/DataAccess/adodb/drivers/adodb-informix72.inc.php b/framework/DataAccess/adodb/drivers/adodb-informix72.inc.php new file mode 100644 index 00000000..39c29c84 --- /dev/null +++ b/framework/DataAccess/adodb/drivers/adodb-informix72.inc.php @@ -0,0 +1,475 @@ +<?php +/* +V4.72 21 Feb 2006 (c) 2000-2006 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); +} + + +?>
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