diff options
Diffstat (limited to 'vendor/adodb/adodb-php/drivers/adodb-db2.inc.php')
| -rw-r--r-- | vendor/adodb/adodb-php/drivers/adodb-db2.inc.php | 843 |
1 files changed, 843 insertions, 0 deletions
diff --git a/vendor/adodb/adodb-php/drivers/adodb-db2.inc.php b/vendor/adodb/adodb-php/drivers/adodb-db2.inc.php new file mode 100644 index 0000000..bfe99cd --- /dev/null +++ b/vendor/adodb/adodb-php/drivers/adodb-db2.inc.php @@ -0,0 +1,843 @@ +<?php +/** + @version v5.20.14 06-Jan-2019 + @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved. + @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community + + This is a version of the ADODB driver for DB2. It uses the 'ibm_db2' PECL extension + for PHP (http://pecl.php.net/package/ibm_db2), which in turn requires DB2 V8.2.2 or + higher. + + Originally tested with PHP 5.1.1 and Apache 2.0.55 on Windows XP SP2. + More recently tested with PHP 5.1.2 and Apache 2.0.55 on Windows XP SP2. + + This file was ported from "adodb-odbc.inc.php" by Larry Menard, "larry.menard#rogers.com". + I ripped out what I believed to be a lot of redundant or obsolete code, but there are + probably still some remnants of the ODBC support in this file; I'm relying on reviewers + of this code to point out any other things that can be removed. +*/ + +// security - hide paths +if (!defined('ADODB_DIR')) die(); + + define("_ADODB_DB2_LAYER", 2 ); + +/*-------------------------------------------------------------------------------------- +--------------------------------------------------------------------------------------*/ + + + + + +class ADODB_db2 extends ADOConnection { + var $databaseType = "db2"; + var $fmtDate = "'Y-m-d'"; + var $concat_operator = '||'; + + var $sysTime = 'CURRENT TIME'; + var $sysDate = 'CURRENT DATE'; + var $sysTimeStamp = 'CURRENT TIMESTAMP'; + + var $fmtTimeStamp = "'Y-m-d H:i:s'"; + var $replaceQuote = "''"; // string to use to replace quotes + var $dataProvider = "db2"; + var $hasAffectedRows = true; + + var $binmode = DB2_BINARY; + + var $useFetchArray = false; // setting this to true will make array elements in FETCH_ASSOC mode case-sensitive + // breaking backward-compat + var $_bindInputArray = false; + var $_genIDSQL = "VALUES NEXTVAL FOR %s"; + var $_genSeqSQL = "CREATE SEQUENCE %s START WITH %s NO MAXVALUE NO CYCLE"; + var $_dropSeqSQL = "DROP SEQUENCE %s"; + var $_autocommit = true; + var $_haserrorfunctions = true; + var $_lastAffectedRows = 0; + var $uCaseTables = true; // for meta* functions, uppercase table names + var $hasInsertID = true; + + + function _insertid() + { + return ADOConnection::GetOne('VALUES IDENTITY_VAL_LOCAL()'); + } + + function __construct() + { + $this->_haserrorfunctions = ADODB_PHPVER >= 0x4050; + } + + // returns true or false + function _connect($argDSN, $argUsername, $argPassword, $argDatabasename) + { + if (!function_exists('db2_connect')) { + ADOConnection::outp("Warning: The old ODBC based DB2 driver has been renamed 'odbc_db2'. This ADOdb driver calls PHP's native db2 extension which is not installed."); + return null; + } + // This needs to be set before the connect(). + // Replaces the odbc_binmode() call that was in Execute() + ini_set('ibm_db2.binmode', $this->binmode); + + if ($argDatabasename && empty($argDSN)) { + + if (stripos($argDatabasename,'UID=') && stripos($argDatabasename,'PWD=')) $this->_connectionID = db2_connect($argDatabasename,null,null); + else $this->_connectionID = db2_connect($argDatabasename,$argUsername,$argPassword); + } else { + if ($argDatabasename) $schema = $argDatabasename; + if (stripos($argDSN,'UID=') && stripos($argDSN,'PWD=')) $this->_connectionID = db2_connect($argDSN,null,null); + else $this->_connectionID = db2_connect($argDSN,$argUsername,$argPassword); + } + + // For db2_connect(), there is an optional 4th arg. If present, it must be + // an array of valid options. So far, we don't use them. + + $this->_errorMsg = @db2_conn_errormsg(); + if (isset($this->connectStmt)) $this->Execute($this->connectStmt); + + if ($this->_connectionID && isset($schema)) $this->Execute("SET SCHEMA=$schema"); + return $this->_connectionID != false; + } + + // returns true or false + function _pconnect($argDSN, $argUsername, $argPassword, $argDatabasename) + { + if (!function_exists('db2_connect')) return null; + + // This needs to be set before the connect(). + // Replaces the odbc_binmode() call that was in Execute() + ini_set('ibm_db2.binmode', $this->binmode); + + $this->_errorMsg = ''; + + if ($argDatabasename && empty($argDSN)) { + + if (stripos($argDatabasename,'UID=') && stripos($argDatabasename,'PWD=')) $this->_connectionID = db2_pconnect($argDatabasename,null,null); + else $this->_connectionID = db2_pconnect($argDatabasename,$argUsername,$argPassword); + } else { + if ($argDatabasename) $schema = $argDatabasename; + if (stripos($argDSN,'UID=') && stripos($argDSN,'PWD=')) $this->_connectionID = db2_pconnect($argDSN,null,null); + else $this->_connectionID = db2_pconnect($argDSN,$argUsername,$argPassword); + } + + $this->_errorMsg = @db2_conn_errormsg(); + if ($this->_connectionID && $this->autoRollback) @db2_rollback($this->_connectionID); + if (isset($this->connectStmt)) $this->Execute($this->connectStmt); + + if ($this->_connectionID && isset($schema)) $this->Execute("SET SCHEMA=$schema"); + return $this->_connectionID != false; + } + + // format and return date string in database timestamp format + function DBTimeStamp($ts, $isfld = false) + { + if (empty($ts) && $ts !== 0) return 'null'; + if (is_string($ts)) $ts = ADORecordSet::UnixTimeStamp($ts); + return 'TO_DATE('.adodb_date($this->fmtTimeStamp,$ts).",'YYYY-MM-DD HH24:MI:SS')"; + } + + // Format date column in sql string given an input format that understands Y M D + function SQLDate($fmt, $col=false) + { + // use right() and replace() ? + if (!$col) $col = $this->sysDate; + + /* use TO_CHAR() if $fmt is TO_CHAR() allowed fmt */ + if ($fmt== 'Y-m-d H:i:s') + return 'TO_CHAR('.$col.", 'YYYY-MM-DD HH24:MI:SS')"; + + $s = ''; + + $len = strlen($fmt); + for ($i=0; $i < $len; $i++) { + if ($s) $s .= $this->concat_operator; + $ch = $fmt[$i]; + switch($ch) { + case 'Y': + case 'y': + if ($len==1) return "year($col)"; + $s .= "char(year($col))"; + break; + case 'M': + if ($len==1) return "monthname($col)"; + $s .= "substr(monthname($col),1,3)"; + break; + case 'm': + if ($len==1) return "month($col)"; + $s .= "right(digits(month($col)),2)"; + break; + case 'D': + case 'd': + if ($len==1) return "day($col)"; + $s .= "right(digits(day($col)),2)"; + break; + case 'H': + case 'h': + if ($len==1) return "hour($col)"; + if ($col != $this->sysDate) $s .= "right(digits(hour($col)),2)"; + else $s .= "''"; + break; + case 'i': + case 'I': + if ($len==1) return "minute($col)"; + if ($col != $this->sysDate) + $s .= "right(digits(minute($col)),2)"; + else $s .= "''"; + break; + case 'S': + case 's': + if ($len==1) return "second($col)"; + if ($col != $this->sysDate) + $s .= "right(digits(second($col)),2)"; + else $s .= "''"; + break; + default: + if ($ch == '\\') { + $i++; + $ch = substr($fmt,$i,1); + } + $s .= $this->qstr($ch); + } + } + return $s; + } + + + function ServerInfo() + { + $row = $this->GetRow("SELECT service_level, fixpack_num FROM TABLE(sysproc.env_get_inst_info()) + as INSTANCEINFO"); + + + if ($row) { + $info['version'] = $row[0].':'.$row[1]; + $info['fixpack'] = $row[1]; + $info['description'] = ''; + } else { + return ADOConnection::ServerInfo(); + } + + return $info; + } + + function CreateSequence($seqname='adodbseq',$start=1) + { + if (empty($this->_genSeqSQL)) return false; + $ok = $this->Execute(sprintf($this->_genSeqSQL,$seqname,$start)); + if (!$ok) return false; + return true; + } + + function DropSequence($seqname = 'adodbseq') + { + if (empty($this->_dropSeqSQL)) return false; + return $this->Execute(sprintf($this->_dropSeqSQL,$seqname)); + } + + function SelectLimit($sql, $nrows = -1, $offset = -1, $inputArr = false, $secs2cache = 0) + { + $nrows = (int) $nrows; + $offset = (int) $offset; + if ($offset <= 0) { + // could also use " OPTIMIZE FOR $nrows ROWS " + if ($nrows >= 0) $sql .= " FETCH FIRST $nrows ROWS ONLY "; + $rs = $this->Execute($sql,$inputArr); + } else { + if ($offset > 0 && $nrows < 0); + else { + $nrows += $offset; + $sql .= " FETCH FIRST $nrows ROWS ONLY "; + } + $rs = ADOConnection::SelectLimit($sql,-1,$offset,$inputArr); + } + + return $rs; + } + + /* + This algorithm is not very efficient, but works even if table locking + is not available. + + Will return false if unable to generate an ID after $MAXLOOPS attempts. + */ + function GenID($seq='adodbseq',$start=1) + { + // if you have to modify the parameter below, your database is overloaded, + // or you need to implement generation of id's yourself! + $num = $this->GetOne("VALUES NEXTVAL FOR $seq"); + return $num; + } + + + function ErrorMsg() + { + if ($this->_haserrorfunctions) { + if ($this->_errorMsg !== false) return $this->_errorMsg; + if (empty($this->_connectionID)) return @db2_conn_errormsg(); + return @db2_conn_errormsg($this->_connectionID); + } else return ADOConnection::ErrorMsg(); + } + + function ErrorNo() + { + + if ($this->_haserrorfunctions) { + if ($this->_errorCode !== false) { + // bug in 4.0.6, error number can be corrupted string (should be 6 digits) + return (strlen($this->_errorCode)<=2) ? 0 : $this->_errorCode; + } + + if (empty($this->_connectionID)) $e = @db2_conn_error(); + else $e = @db2_conn_error($this->_connectionID); + + // bug in 4.0.6, error number can be corrupted string (should be 6 digits) + // so we check and patch + if (strlen($e)<=2) return 0; + return $e; + } else return ADOConnection::ErrorNo(); + } + + + + function BeginTrans() + { + if (!$this->hasTransactions) return false; + if ($this->transOff) return true; + $this->transCnt += 1; + $this->_autocommit = false; + return db2_autocommit($this->_connectionID,false); + } + + function CommitTrans($ok=true) + { + if ($this->transOff) return true; + if (!$ok) return $this->RollbackTrans(); + if ($this->transCnt) $this->transCnt -= 1; + $this->_autocommit = true; + $ret = db2_commit($this->_connectionID); + db2_autocommit($this->_connectionID,true); + return $ret; + } + + function RollbackTrans() + { + if ($this->transOff) return true; + if ($this->transCnt) $this->transCnt -= 1; + $this->_autocommit = true; + $ret = db2_rollback($this->_connectionID); + db2_autocommit($this->_connectionID,true); + return $ret; + } + + function MetaPrimaryKeys($table, $owner = false) + { + global $ADODB_FETCH_MODE; + + if ($this->uCaseTables) $table = strtoupper($table); + $schema = ''; + $this->_findschema($table,$schema); + + $savem = $ADODB_FETCH_MODE; + $ADODB_FETCH_MODE = ADODB_FETCH_NUM; + $qid = @db2_primarykeys($this->_connectionID,'',$schema,$table); + + if (!$qid) { + $ADODB_FETCH_MODE = $savem; + return false; + } + $rs = new ADORecordSet_db2($qid); + $ADODB_FETCH_MODE = $savem; + + if (!$rs) return false; + + $arr = $rs->GetArray(); + $rs->Close(); + $arr2 = array(); + for ($i=0; $i < sizeof($arr); $i++) { + if ($arr[$i][3]) $arr2[] = $arr[$i][3]; + } + return $arr2; + } + + function MetaForeignKeys($table, $owner = FALSE, $upper = FALSE, $asociative = FALSE ) + { + global $ADODB_FETCH_MODE; + + if ($this->uCaseTables) $table = strtoupper($table); + $schema = ''; + $this->_findschema($table,$schema); + + $savem = $ADODB_FETCH_MODE; + $ADODB_FETCH_MODE = ADODB_FETCH_NUM; + $qid = @db2_foreign_keys($this->_connectionID,'',$schema,$table); + if (!$qid) { + $ADODB_FETCH_MODE = $savem; + return false; + } + $rs = new ADORecordSet_db2($qid); + + $ADODB_FETCH_MODE = $savem; + /* + $rs->fields indices + 0 PKTABLE_CAT + 1 PKTABLE_SCHEM + 2 PKTABLE_NAME + 3 PKCOLUMN_NAME + 4 FKTABLE_CAT + 5 FKTABLE_SCHEM + 6 FKTABLE_NAME + 7 FKCOLUMN_NAME + */ + if (!$rs) return false; + + $foreign_keys = array(); + while (!$rs->EOF) { + if (strtoupper(trim($rs->fields[2])) == $table && (!$schema || strtoupper($rs->fields[1]) == $schema)) { + if (!is_array($foreign_keys[$rs->fields[5].'.'.$rs->fields[6]])) + $foreign_keys[$rs->fields[5].'.'.$rs->fields[6]] = array(); + $foreign_keys[$rs->fields[5].'.'.$rs->fields[6]][$rs->fields[7]] = $rs->fields[3]; + } + $rs->MoveNext(); + } + + $rs->Close(); + return $foreign_key; + } + + + function MetaTables($ttype = false, $schema = false, $mask = false) + { + global $ADODB_FETCH_MODE; + + $savem = $ADODB_FETCH_MODE; + $ADODB_FETCH_MODE = ADODB_FETCH_NUM; + $qid = db2_tables($this->_connectionID); + + $rs = new ADORecordSet_db2($qid); + + $ADODB_FETCH_MODE = $savem; + if (!$rs) { + $false = false; + return $false; + } + + $arr = $rs->GetArray(); + $rs->Close(); + $arr2 = array(); + + if ($ttype) { + $isview = strncmp($ttype,'V',1) === 0; + } + for ($i=0; $i < sizeof($arr); $i++) { + if (!$arr[$i][2]) continue; + $type = $arr[$i][3]; + $owner = $arr[$i][1]; + $schemaval = ($schema) ? $arr[$i][1].'.' : ''; + if ($ttype) { + if ($isview) { + if (strncmp($type,'V',1) === 0) $arr2[] = $schemaval.$arr[$i][2]; + } else if (strncmp($owner,'SYS',3) !== 0) $arr2[] = $schemaval.$arr[$i][2]; + } else if (strncmp($owner,'SYS',3) !== 0) $arr2[] = $schemaval.$arr[$i][2]; + } + return $arr2; + } + +/* +See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/db2/htm/db2datetime_data_type_changes.asp +/ SQL data type codes / +#define SQL_UNKNOWN_TYPE 0 +#define SQL_CHAR 1 +#define SQL_NUMERIC 2 +#define SQL_DECIMAL 3 +#define SQL_INTEGER 4 +#define SQL_SMALLINT 5 +#define SQL_FLOAT 6 +#define SQL_REAL 7 +#define SQL_DOUBLE 8 +#if (DB2VER >= 0x0300) +#define SQL_DATETIME 9 +#endif +#define SQL_VARCHAR 12 + + +/ One-parameter shortcuts for date/time data types / +#if (DB2VER >= 0x0300) +#define SQL_TYPE_DATE 91 +#define SQL_TYPE_TIME 92 +#define SQL_TYPE_TIMESTAMP 93 + +#define SQL_UNICODE (-95) +#define SQL_UNICODE_VARCHAR (-96) +#define SQL_UNICODE_LONGVARCHAR (-97) +*/ + function DB2Types($t) + { + switch ((integer)$t) { + case 1: + case 12: + case 0: + case -95: + case -96: + return 'C'; + case -97: + case -1: //text + return 'X'; + case -4: //image + return 'B'; + + case 9: + case 91: + return 'D'; + + case 10: + case 11: + case 92: + case 93: + return 'T'; + + case 4: + case 5: + case -6: + return 'I'; + + case -11: // uniqidentifier + return 'R'; + case -7: //bit + return 'L'; + + default: + return 'N'; + } + } + + function MetaColumns($table, $normalize=true) + { + global $ADODB_FETCH_MODE; + + $false = false; + if ($this->uCaseTables) $table = strtoupper($table); + $schema = ''; + $this->_findschema($table,$schema); + + $savem = $ADODB_FETCH_MODE; + $ADODB_FETCH_MODE = ADODB_FETCH_NUM; + + $colname = "%"; + $qid = db2_columns($this->_connectionID, "", $schema, $table, $colname); + if (empty($qid)) return $false; + + $rs = new ADORecordSet_db2($qid); + $ADODB_FETCH_MODE = $savem; + + if (!$rs) return $false; + $rs->_fetch(); + + $retarr = array(); + + /* + $rs->fields indices + 0 TABLE_QUALIFIER + 1 TABLE_SCHEM + 2 TABLE_NAME + 3 COLUMN_NAME + 4 DATA_TYPE + 5 TYPE_NAME + 6 PRECISION + 7 LENGTH + 8 SCALE + 9 RADIX + 10 NULLABLE + 11 REMARKS + */ + while (!$rs->EOF) { + if (strtoupper(trim($rs->fields[2])) == $table && (!$schema || strtoupper($rs->fields[1]) == $schema)) { + $fld = new ADOFieldObject(); + $fld->name = $rs->fields[3]; + $fld->type = $this->DB2Types($rs->fields[4]); + + // ref: http://msdn.microsoft.com/library/default.asp?url=/archive/en-us/dnaraccgen/html/msdn_odk.asp + // access uses precision to store length for char/varchar + if ($fld->type == 'C' or $fld->type == 'X') { + if ($rs->fields[4] <= -95) // UNICODE + $fld->max_length = $rs->fields[7]/2; + else + $fld->max_length = $rs->fields[7]; + } else + $fld->max_length = $rs->fields[7]; + $fld->not_null = !empty($rs->fields[10]); + $fld->scale = $rs->fields[8]; + $fld->primary_key = false; + $retarr[strtoupper($fld->name)] = $fld; + } else if (sizeof($retarr)>0) + break; + $rs->MoveNext(); + } + $rs->Close(); + if (empty($retarr)) $retarr = false; + + $qid = db2_primary_keys($this->_connectionID, "", $schema, $table); + if (empty($qid)) return $false; + + $rs = new ADORecordSet_db2($qid); + $ADODB_FETCH_MODE = $savem; + + if (!$rs) return $retarr; + $rs->_fetch(); + + /* + $rs->fields indices + 0 TABLE_CAT + 1 TABLE_SCHEM + 2 TABLE_NAME + 3 COLUMN_NAME + 4 KEY_SEQ + 5 PK_NAME + */ + while (!$rs->EOF) { + if (strtoupper(trim($rs->fields[2])) == $table && (!$schema || strtoupper($rs->fields[1]) == $schema)) { + $retarr[strtoupper($rs->fields[3])]->primary_key = true; + } else if (sizeof($retarr)>0) + break; + $rs->MoveNext(); + } + $rs->Close(); + + if (empty($retarr)) $retarr = false; + return $retarr; + } + + + function Prepare($sql) + { + if (! $this->_bindInputArray) return $sql; // no binding + $stmt = db2_prepare($this->_connectionID,$sql); + if (!$stmt) { + // we don't know whether db2 driver is parsing prepared stmts, so just return sql + return $sql; + } + return array($sql,$stmt,false); + } + + /* returns queryID or false */ + function _query($sql,$inputarr=false) + { + $last_php_error = $this->resetLastError(); + $this->_errorMsg = ''; + + if ($inputarr) { + if (is_array($sql)) { + $stmtid = $sql[1]; + } else { + $stmtid = db2_prepare($this->_connectionID,$sql); + + if ($stmtid == false) { + $this->_errorMsg = $this->getChangedErrorMsg($last_php_error); + return false; + } + } + + if (! db2_execute($stmtid,$inputarr)) { + if ($this->_haserrorfunctions) { + $this->_errorMsg = db2_stmt_errormsg(); + $this->_errorCode = db2_stmt_error(); + } + return false; + } + + } else if (is_array($sql)) { + $stmtid = $sql[1]; + if (!db2_execute($stmtid)) { + if ($this->_haserrorfunctions) { + $this->_errorMsg = db2_stmt_errormsg(); + $this->_errorCode = db2_stmt_error(); + } + return false; + } + } else + $stmtid = @db2_exec($this->_connectionID,$sql); + + $this->_lastAffectedRows = 0; + if ($stmtid) { + if (@db2_num_fields($stmtid) == 0) { + $this->_lastAffectedRows = db2_num_rows($stmtid); + $stmtid = true; + } else { + $this->_lastAffectedRows = 0; + } + + if ($this->_haserrorfunctions) { + $this->_errorMsg = ''; + $this->_errorCode = 0; + } else { + $this->_errorMsg = $this->getChangedErrorMsg($last_php_error); + } + } else { + if ($this->_haserrorfunctions) { + $this->_errorMsg = db2_stmt_errormsg(); + $this->_errorCode = db2_stmt_error(); + } else { + $this->_errorMsg = $this->getChangedErrorMsg($last_php_error); + } + } + return $stmtid; + } + + /* + Insert a null into the blob field of the table first. + Then use UpdateBlob to store the blob. + + Usage: + + $conn->Execute('INSERT INTO blobtable (id, blobcol) VALUES (1, null)'); + $conn->UpdateBlob('blobtable','blobcol',$blob,'id=1'); + */ + function UpdateBlob($table,$column,$val,$where,$blobtype='BLOB') + { + return $this->Execute("UPDATE $table SET $column=? WHERE $where",array($val)) != false; + } + + // returns true or false + function _close() + { + $ret = @db2_close($this->_connectionID); + $this->_connectionID = false; + return $ret; + } + + function _affectedrows() + { + return $this->_lastAffectedRows; + } + +} + +/*-------------------------------------------------------------------------------------- + Class Name: Recordset +--------------------------------------------------------------------------------------*/ + +class ADORecordSet_db2 extends ADORecordSet { + + var $bind = false; + var $databaseType = "db2"; + var $dataProvider = "db2"; + var $useFetchArray; + + function __construct($id,$mode=false) + { + if ($mode === false) { + global $ADODB_FETCH_MODE; + $mode = $ADODB_FETCH_MODE; + } + $this->fetchMode = $mode; + + $this->_queryID = $id; + } + + + // returns the field object + function FetchField($offset = -1) + { + $o= new ADOFieldObject(); + $o->name = @db2_field_name($this->_queryID,$offset); + $o->type = @db2_field_type($this->_queryID,$offset); + $o->max_length = db2_field_width($this->_queryID,$offset); + if (ADODB_ASSOC_CASE == 0) $o->name = strtolower($o->name); + else if (ADODB_ASSOC_CASE == 1) $o->name = strtoupper($o->name); + return $o; + } + + /* Use associative array to get fields array */ + function Fields($colname) + { + if ($this->fetchMode & ADODB_FETCH_ASSOC) return $this->fields[$colname]; + if (!$this->bind) { + $this->bind = array(); + for ($i=0; $i < $this->_numOfFields; $i++) { + $o = $this->FetchField($i); + $this->bind[strtoupper($o->name)] = $i; + } + } + + return $this->fields[$this->bind[strtoupper($colname)]]; + } + + + function _initrs() + { + global $ADODB_COUNTRECS; + $this->_numOfRows = ($ADODB_COUNTRECS) ? @db2_num_rows($this->_queryID) : -1; + $this->_numOfFields = @db2_num_fields($this->_queryID); + // some silly drivers such as db2 as/400 and intersystems cache return _numOfRows = 0 + if ($this->_numOfRows == 0) $this->_numOfRows = -1; + } + + function _seek($row) + { + return false; + } + + // speed up SelectLimit() by switching to ADODB_FETCH_NUM as ADODB_FETCH_ASSOC is emulated + function GetArrayLimit($nrows,$offset=-1) + { + if ($offset <= 0) { + $rs = $this->GetArray($nrows); + return $rs; + } + $savem = $this->fetchMode; + $this->fetchMode = ADODB_FETCH_NUM; + $this->Move($offset); + $this->fetchMode = $savem; + + if ($this->fetchMode & ADODB_FETCH_ASSOC) { + $this->fields = $this->GetRowAssoc(); + } + + $results = array(); + $cnt = 0; + while (!$this->EOF && $nrows != $cnt) { + $results[$cnt++] = $this->fields; + $this->MoveNext(); + } + + return $results; + } + + + function MoveNext() + { + if ($this->_numOfRows != 0 && !$this->EOF) { + $this->_currentRow++; + + $this->fields = @db2_fetch_array($this->_queryID); + if ($this->fields) { + if ($this->fetchMode & ADODB_FETCH_ASSOC) { + $this->fields = $this->GetRowAssoc(); + } + return true; + } + } + $this->fields = false; + $this->EOF = true; + return false; + } + + function _fetch() + { + + $this->fields = db2_fetch_array($this->_queryID); + if ($this->fields) { + if ($this->fetchMode & ADODB_FETCH_ASSOC) { + $this->fields = $this->GetRowAssoc(); + } + return true; + } + $this->fields = false; + return false; + } + + function _close() + { + return @db2_free_result($this->_queryID); + } + +} |