$value) $new_array[strtoupper($key)] = $value; return $new_array; } return $an_array; } function _adodb_replace(&$zthis, $table, $fieldArray, $keyCol, $autoQuote, $has_autoinc) { if (count($fieldArray) == 0) return 0; $first = true; $uSet = ''; if (!is_array($keyCol)) { $keyCol = array($keyCol); } foreach($fieldArray as $k => $v) { if ($autoQuote && !is_numeric($v) and strncmp($v,"'",1) !== 0 and strcasecmp($v,'null')!=0) { $v = $zthis->qstr($v); $fieldArray[$k] = $v; } if (in_array($k,$keyCol)) continue; // skip UPDATE if is key if ($first) { $first = false; $uSet = "$k=$v"; } else $uSet .= ",$k=$v"; } $where = false; foreach ($keyCol as $v) { if ($where) $where .= " and $v=$fieldArray[$v]"; else $where = "$v=$fieldArray[$v]"; } if ($uSet && $where) { $update = "UPDATE $table SET $uSet WHERE $where"; $rs = $zthis->Execute($update); if ($rs) { if ($zthis->poorAffectedRows) { /* The Select count(*) wipes out any errors that the update would have returned. http://phplens.com/lens/lensforum/msgs.php?id=5696 */ if ($zthis->ErrorNo()<>0) return 0; # affected_rows == 0 if update field values identical to old values # for mysql - which is silly. $cnt = $zthis->GetOne("select count(*) from $table where $where"); if ($cnt > 0) return 1; // record already exists } else if (($zthis->Affected_Rows()>0)) return 1; } } // print "

Error=".$this->ErrorNo().'

'; $first = true; foreach($fieldArray as $k => $v) { if ($has_autoinc && in_array($k,$keyCol)) continue; // skip autoinc col if ($first) { $first = false; $iCols = "$k"; $iVals = "$v"; } else { $iCols .= ",$k"; $iVals .= ",$v"; } } $insert = "INSERT INTO $table ($iCols) VALUES ($iVals)"; $rs = $zthis->Execute($insert); return ($rs) ? 2 : 0; } // Requires $ADODB_FETCH_MODE = ADODB_FETCH_NUM function _adodb_getmenu(&$zthis, $name,$defstr='',$blank1stItem=true,$multiple=false, $size=0, $selectAttr='',$compareFields0=true) { $hasvalue = false; if ($multiple or is_array($defstr)) { if ($size==0) $size=5; $attr = " multiple size=$size"; if (!strpos($name,'[]')) $name .= '[]'; } else if ($size) $attr = " size=$size"; else $attr =''; $s = "\n"; } /* Count the number of records this sql statement will return by using query rewriting techniques... Does not work with UNIONs. */ function _adodb_getcount(&$zthis, $sql,$inputarr=false,$secs2cache=0) { $qryRecs = 0; if (preg_match("/^\s*SELECT\s+DISTINCT/is", $sql) || preg_match('/\s+GROUP\s+BY\s+/is',$sql)) { // ok, has SELECT DISTINCT or GROUP BY so see if we can use a table alias // but this is only supported by oracle and postgresql... if ($zthis->dataProvider == 'oci8') { $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql); $rewritesql = "SELECT COUNT(*) FROM ($rewritesql)"; } else if ( $zthis->databaseType == 'postgres' || $zthis->databaseType == 'postgres7') { $info = $zthis->ServerInfo(); if (substr($info['version'],0,3) >= 7.1) { // good till version 999 $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql); $rewritesql = "SELECT COUNT(*) FROM ($rewritesql) _ADODB_ALIAS_"; } } } else { // now replace SELECT ... FROM with SELECT COUNT(*) FROM $rewritesql = preg_replace( '/^\s*SELECT\s.*\s+FROM\s/Uis','SELECT COUNT(*) FROM ',$sql); // fix by alexander zhukov, alex#unipack.ru, because count(*) and 'order by' fails // with mssql, access and postgresql. Also a good speedup optimization - skips sorting! $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$rewritesql); } if (isset($rewritesql) && $rewritesql != $sql) { if ($secs2cache) { // we only use half the time of secs2cache because the count can quickly // become inaccurate if new records are added $qryRecs = $zthis->CacheGetOne($secs2cache/2,$rewritesql,$inputarr); } else { $qryRecs = $zthis->GetOne($rewritesql,$inputarr); } if ($qryRecs !== false) return $qryRecs; } //-------------------------------------------- // query rewrite failed - so try slower way... // strip off unneeded ORDER BY if no UNION if (preg_match('/\s*UNION\s*/is', $sql)) $rewritesql = $sql; else $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql); $rstest = &$zthis->Execute($rewritesql,$inputarr); if ($rstest) { $qryRecs = $rstest->RecordCount(); if ($qryRecs == -1) { global $ADODB_EXTENSION; // some databases will return -1 on MoveLast() - change to MoveNext() if ($ADODB_EXTENSION) { while(!$rstest->EOF) { adodb_movenext($rstest); } } else { while(!$rstest->EOF) { $rstest->MoveNext(); } } $qryRecs = $rstest->_currentRow; } $rstest->Close(); if ($qryRecs == -1) return 0; } return $qryRecs; } /* Code originally from "Cornel G" This code will not work with SQL that has UNION in it Also if you are using CachePageExecute(), there is a strong possibility that data will get out of synch. use CachePageExecute() only with tables that rarely change. */ function &_adodb_pageexecute_all_rows(&$zthis, $sql, $nrows, $page, $inputarr=false, $secs2cache=0) { $atfirstpage = false; $atlastpage = false; $lastpageno=1; // If an invalid nrows is supplied, // we assume a default value of 10 rows per page if (!isset($nrows) || $nrows <= 0) $nrows = 10; $qryRecs = false; //count records for no offset $qryRecs = _adodb_getcount($zthis,$sql,$inputarr,$secs2cache); $lastpageno = (int) ceil($qryRecs / $nrows); $zthis->_maxRecordCount = $qryRecs; // If page number <= 1, then we are at the first page if (!isset($page) || $page <= 1) { $page = 1; $atfirstpage = true; } // ***** Here we check whether $page is the last page or // whether we are trying to retrieve // a page number greater than the last page number. if ($page >= $lastpageno) { $page = $lastpageno; $atlastpage = true; } // We get the data we want $offset = $nrows * ($page-1); if ($secs2cache > 0) $rsreturn = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr); else $rsreturn = &$zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache); // Before returning the RecordSet, we set the pagination properties we need if ($rsreturn) { $rsreturn->_maxRecordCount = $qryRecs; $rsreturn->rowsPerPage = $nrows; $rsreturn->AbsolutePage($page); $rsreturn->AtFirstPage($atfirstpage); $rsreturn->AtLastPage($atlastpage); $rsreturn->LastPageNo($lastpageno); } return $rsreturn; } // Iván Oliva version function &_adodb_pageexecute_no_last_page(&$zthis, $sql, $nrows, $page, $inputarr=false, $secs2cache=0) { $atfirstpage = false; $atlastpage = false; if (!isset($page) || $page <= 1) { // If page number <= 1, then we are at the first page $page = 1; $atfirstpage = true; } if ($nrows <= 0) $nrows = 10; // If an invalid nrows is supplied, we assume a default value of 10 rows per page // ***** Here we check whether $page is the last page or whether we are trying to retrieve a page number greater than // the last page number. $pagecounter = $page + 1; $pagecounteroffset = ($pagecounter * $nrows) - $nrows; if ($secs2cache>0) $rstest = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr); else $rstest = &$zthis->SelectLimit($sql, $nrows, $pagecounteroffset, $inputarr, $secs2cache); if ($rstest) { while ($rstest && $rstest->EOF && $pagecounter>0) { $atlastpage = true; $pagecounter--; $pagecounteroffset = $nrows * ($pagecounter - 1); $rstest->Close(); if ($secs2cache>0) $rstest = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr); else $rstest = &$zthis->SelectLimit($sql, $nrows, $pagecounteroffset, $inputarr, $secs2cache); } if ($rstest) $rstest->Close(); } if ($atlastpage) { // If we are at the last page or beyond it, we are going to retrieve it $page = $pagecounter; if ($page == 1) $atfirstpage = true; // We have to do this again in case the last page is the same as the first //... page, that is, the recordset has only 1 page. } // We get the data we want $offset = $nrows * ($page-1); if ($secs2cache > 0) $rsreturn = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr); else $rsreturn = &$zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache); // Before returning the RecordSet, we set the pagination properties we need if ($rsreturn) { $rsreturn->rowsPerPage = $nrows; $rsreturn->AbsolutePage($page); $rsreturn->AtFirstPage($atfirstpage); $rsreturn->AtLastPage($atlastpage); } return $rsreturn; } function _adodb_getupdatesql(&$zthis,&$rs, $arrFields,$forceUpdate=false,$magicq=false,$forcenulls=false) { if (!$rs) { printf(ADODB_BAD_RS,'GetUpdateSQL'); return false; } $fieldUpdatedCount = 0; $arrFields = _array_change_key_case($arrFields); $hasnumeric = isset($rs->fields[0]); $setFields = ''; // Loop through all of the fields in the recordset for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++) { // Get the field from the recordset $field = $rs->FetchField($i); // If the recordset field is one // of the fields passed in then process. $upperfname = strtoupper($field->name); if (adodb_key_exists($upperfname,$arrFields)) { // If the existing field value in the recordset // is different from the value passed in then // go ahead and append the field name and new value to // the update query. if ($hasnumeric) $val = $rs->fields[$i]; else if (isset($rs->fields[$upperfname])) $val = $rs->fields[$upperfname]; else if (isset($rs->fields[$field->name])) $val = $rs->fields[$field->name]; else if (isset($rs->fields[strtolower($upperfname)])) $val = $rs->fields[strtolower($upperfname)]; else $val = ''; if ($forceUpdate || strcmp($val, $arrFields[$upperfname])) { // Set the counter for the number of fields that will be updated. $fieldUpdatedCount++; // Based on the datatype of the field // Format the value properly for the database $type = $rs->MetaType($field->type); // is_null requires php 4.0.4 if (($forcenulls && is_null($arrFields[$upperfname])) || $arrFields[$upperfname] === 'null') { $setFields .= $field->name . " = null, "; } else { if ($type == 'null') { $type = 'C'; } if (strpos($upperfname,' ') !== false) $fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote; else $fnameq = $upperfname; //we do this so each driver can customize the sql for //DB specific column types. //Oracle needs BLOB types to be handled with a returning clause //postgres has special needs as well $setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq, $arrFields, $magicq); } } } } // If there were any modified fields then build the rest of the update query. if ($fieldUpdatedCount > 0 || $forceUpdate) { // Get the table name from the existing query. preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName); // Get the full where clause excluding the word "WHERE" from // the existing query. preg_match('/\sWHERE\s(.*)/is', $rs->sql, $whereClause); $discard = false; // not a good hack, improvements? if ($whereClause) preg_match('/\s(LIMIT\s.*)/is', $whereClause[1], $discard); else $whereClause = array(false,false); if ($discard) $whereClause[1] = substr($whereClause[1], 0, strlen($whereClause[1]) - strlen($discard[1])); $sql = 'UPDATE '.$tableName[1].' SET '.substr($setFields, 0, -2); if (strlen($whereClause[1]) > 0) $sql .= ' WHERE '.$whereClause[1]; return $sql; } else { return false; } } function adodb_key_exists($key, &$arr,$forcenulls=false) { if (!$forcenulls) { // the following is the old behaviour where null or empty fields are ignored return (!empty($arr[$key])) || (isset($arr[$key]) && strlen($arr[$key])>0); } if (isset($arr[$key])) return true; ## null check below if (ADODB_PHPVER >= 0x4010) return array_key_exists($key,$arr); return false; } /** * There is a special case of this function for the oci8 driver. * The proper way to handle an insert w/ a blob in oracle requires * a returning clause with bind variables and a descriptor blob. * * */ function _adodb_getinsertsql(&$zthis,&$rs,$arrFields,$magicq=false,$forcenulls=false) { $tableName = ''; $values = ''; $fields = ''; $recordSet = null; $arrFields = _array_change_key_case($arrFields); $fieldInsertedCount = 0; if (is_string($rs)) { //ok we have a table name //try and get the column info ourself. $tableName = $rs; //we need an object for the recordSet //because we have to call MetaType. //php can't do a $rsclass::MetaType() $rsclass = $zthis->rsPrefix.$zthis->databaseType; $recordSet =& new $rsclass(-1,$zthis->fetchMode); $recordSet->connection = &$zthis; $columns = $zthis->MetaColumns( $tableName ); } else if (is_subclass_of($rs, 'adorecordset')) { for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++) $columns[] = $rs->FetchField($i); $recordSet =& $rs; } else { printf(ADODB_BAD_RS,'GetInsertSQL'); return false; } // Loop through all of the fields in the recordset foreach( $columns as $field ) { $upperfname = strtoupper($field->name); if (adodb_key_exists($upperfname,$arrFields)) { // Set the counter for the number of fields that will be inserted. $fieldInsertedCount++; if (strpos($upperfname,' ') !== false) $fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote; else $fnameq = $upperfname; // Get the name of the fields to insert $fields .= $fnameq . ", "; $type = $recordSet->MetaType($field->type); if (($forcenulls && is_null($arrFields[$upperfname])) || $arrFields[$upperfname] === 'null') { $values .= "null, "; } else { //we do this so each driver can customize the sql for //DB specific column types. //Oracle needs BLOB types to be handled with a returning clause //postgres has special needs as well $values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, $arrFields, $magicq); } } } // If there were any inserted fields then build the rest of the insert query. if ($fieldInsertedCount <= 0) return false; // Get the table name from the existing query. if (!$tableName) { preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName); $tableName = $tableName[1]; } // Strip off the comma and space on the end of both the fields // and their values. $fields = substr($fields, 0, -2); $values = substr($values, 0, -2); // Append the fields and their values to the insert query. return 'INSERT INTO '.$tableName.' ( '.$fields.' ) VALUES ( '.$values.' )'; } /** * This private method is used to help construct * the update/sql which is generated by GetInsertSQL and GetUpdateSQL. * It handles the string construction of 1 column -> sql string based on * the column type. We want to do 'safe' handling of BLOBs * * @param string the type of sql we are trying to create * 'I' or 'U'. * @param string column data type from the db::MetaType() method * @param string the column name * @param array the column value * * @return string * */ function _adodb_column_sql_oci8(&$zthis,$action, $type, $fname, $fnameq, $arrFields, $magicq) { $sql = ''; // Based on the datatype of the field // Format the value properly for the database switch($type) { case 'B': //in order to handle Blobs correctly, we need //to do some magic for Oracle //we need to create a new descriptor to handle //this properly if (!empty($zthis->hasReturningInto)) { if ($action == 'I') { $sql = 'empty_blob(), '; } else { $sql = $fnameq. '=empty_blob(), '; } //add the variable to the returning clause array //so the user can build this later in //case they want to add more to it $zthis->_returningArray[$fname] = ':xx'.$fname.'xx'; } else if (empty($arrFields[$fname])){ if ($action == 'I') { $sql = 'empty_blob(), '; } else { $sql = $fnameq. '=empty_blob(), '; } } else { //this is to maintain compatibility //with older adodb versions. $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false); } break; case "X": //we need to do some more magic here for long variables //to handle these correctly in oracle. //create a safe bind var name //to avoid conflicts w/ dupes. if (!empty($zthis->hasReturningInto)) { if ($action == 'I') { $sql = ':xx'.$fname.'xx, '; } else { $sql = $fnameq.'=:xx'.$fname.'xx, '; } //add the variable to the returning clause array //so the user can build this later in //case they want to add more to it $zthis->_returningArray[$fname] = ':xx'.$fname.'xx'; } else { //this is to maintain compatibility //with older adodb versions. $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false); } break; default: $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false); break; } return $sql; } function _adodb_column_sql(&$zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq, $recurse=true) { if ($recurse) { switch($zthis->dataProvider) { case 'postgres': if ($type == 'L') $type = 'C'; break; case 'oci8': return _adodb_column_sql_oci8($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq); } } $sql = ''; switch($type) { case "C": case "X": case 'B': if ($action == 'I') { $sql = $zthis->qstr($arrFields[$fname],$magicq) . ", "; } else { $sql .= $fnameq . "=" . $zthis->qstr($arrFields[$fname],$magicq) . ", "; } break; case "D": if ($action == 'I') { $sql = $zthis->DBDate($arrFields[$fname]) . ", "; } else { $sql .= $fnameq . "=" . $zthis->DBDate($arrFields[$fname]) . ", "; } break; case "T": if ($action == 'I') { $sql = $zthis->DBTimeStamp($arrFields[$fname]) . ", "; } else { $sql .= $fnameq . "=" . $zthis->DBTimeStamp($arrFields[$fname]) . ", "; } break; default: $val = $arrFields[$fname]; if (empty($val)) $val = '0'; if ($action == 'I') { $sql .= $val . ", "; } else { $sql .= $fnameq . "=" . $val . ", "; } break; } return $sql; } ?>