| 0,0 → 1,106 |
|---|
| <?php |
| |
| /* |
| * OIDplus 2.0 |
| * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| if (!defined('INSIDE_OIDPLUS')) die(); |
| |
| class OIDplusQueryResultODBC extends OIDplusQueryResult { |
| protected $no_resultset; |
| protected $res; |
| |
| public function __construct($res) { |
| $this->no_resultset = is_bool($res); |
| |
| if (!$this->no_resultset) { |
| $this->res = $res; |
| } |
| } |
| |
| public function __destruct() { |
| // odbc_close_cursor($this->res); |
| } |
| |
| public function containsResultSet(): bool { |
| return !$this->no_resultset; |
| } |
| |
| private function num_rows_workaround(): int { |
| $dummy = 0; |
| |
| // go to the end of the result set |
| $till_eof = 0; |
| while ($temp = odbc_fetch_into($this->res, $dummy)) $till_eof++; |
| |
| // reset cursor |
| @odbc_fetch_row($this->res, 0); |
| |
| // count the rows in the result set |
| $ret = 0; |
| while ($temp = odbc_fetch_into($this->res, $dummy)) $ret++; |
| |
| // this would indicate that the odbc_fetch_row() could not reset the cursor |
| if ($ret < $till_eof) return -1; |
| |
| // go back to the row were started with |
| @odbc_fetch_row($this->res, $ret-$till_eof); |
| |
| return $ret; |
| } |
| |
| public function num_rows(): int { |
| if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
| $ret = odbc_num_rows($this->res); |
| |
| // Workaround for drivers that do not support odbc_num_rows (e.g. Microsoft Access) |
| if ($ret === -1) $ret = $this->num_rows_workaround(); |
| |
| if ($ret === -1) throw new OIDplusException(_L('The database driver has problems with "%1"','num_rows')); |
| |
| return $ret; |
| } |
| |
| public function fetch_array()/*: ?array*/ { |
| if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
| $ret = odbc_fetch_array($this->res); |
| if ($ret === false) $ret = null; |
| if (!is_null($ret)) { |
| // ODBC gives bit(1) as binary, MySQL as integer and PDO as string. |
| // We'll do it like MySQL does, even if ODBC is actually more correct. |
| foreach ($ret as &$value) { |
| if ($value === chr(0)) $value = 0; |
| if ($value === chr(1)) $value = 1; |
| } |
| } |
| return $ret; |
| } |
| |
| public function fetch_object()/*: ?object*/ { |
| if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
| $ret = odbc_fetch_object($this->res); |
| if ($ret === false) $ret = null; |
| if (!is_null($ret)) { |
| // ODBC gives bit(1) as binary, MySQL as integer and PDO as string. |
| // We'll do it like MySQL does, even if ODBC is actually more correct. |
| foreach ($ret as &$value) { |
| if ($value === chr(0)) $value = 0; |
| if ($value === chr(1)) $value = 1; |
| } |
| } |
| return $ret; |
| } |
| } |