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| Rev | Author | Line No. | Line |
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| 277 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | /* |
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| 4 | * OIDplus 2.0 |
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| 511 | daniel-mar | 5 | * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft |
| 277 | daniel-mar | 6 | * |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 8 | * you may not use this file except in compliance with the License. |
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| 9 | * You may obtain a copy of the License at |
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| 10 | * |
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 12 | * |
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| 13 | * Unless required by applicable law or agreed to in writing, software |
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| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 16 | * See the License for the specific language governing permissions and |
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| 17 | * limitations under the License. |
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| 18 | */ |
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| 19 | |||
| 511 | daniel-mar | 20 | if (!defined('INSIDE_OIDPLUS')) die(); |
| 21 | |||
| 277 | daniel-mar | 22 | class OIDplusQueryResultPDO extends OIDplusQueryResult { |
| 23 | protected $no_resultset; |
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| 24 | protected $res; |
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| 25 | |||
| 26 | public function __construct($res) { |
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| 27 | $this->no_resultset = is_bool($res); |
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| 28 | |||
| 29 | if (!$this->no_resultset) { |
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| 30 | $this->res = $res; |
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| 31 | } |
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| 502 | daniel-mar | 32 | |
| 33 | // This way we can simulate MARS (Multiple Active Result Sets) so that the test case "Simultanous prepared statements" works |
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| 34 | $this->prefetchedArray = $this->res->fetchAll(); |
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| 277 | daniel-mar | 35 | } |
| 36 | |||
| 37 | public function __destruct() { |
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| 38 | if ($this->res) $this->res->closeCursor(); |
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| 39 | } |
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| 40 | |||
| 41 | public function containsResultSet(): bool { |
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| 42 | return !$this->no_resultset; |
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| 43 | } |
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| 44 | |||
| 502 | daniel-mar | 45 | private $prefetchedArray = null; |
| 46 | private $countAlreadyFetched = 0; |
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| 47 | |||
| 277 | daniel-mar | 48 | public function num_rows(): int { |
| 502 | daniel-mar | 49 | if (!is_null($this->prefetchedArray)) { |
| 50 | return count($this->prefetchedArray) + $this->countAlreadyFetched; |
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| 51 | } |
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| 52 | |||
| 360 | daniel-mar | 53 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
| 502 | daniel-mar | 54 | $ret = $this->res->rowCount(); |
| 55 | |||
| 56 | // -1 can happen when PDO is connected via ODBC that is running a driver that does not support num_rows (e.g. Microsoft Access) |
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| 57 | // if ($ret === -1) throw new OIDplusException(_L('The database driver has problems with "%1"','num_rows')); |
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| 58 | if ($ret === -1) { |
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| 59 | $this->prefetchedArray = $this->res->fetchAll(); |
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| 60 | return count($this->prefetchedArray) + $this->countAlreadyFetched; |
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| 61 | } |
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| 62 | |||
| 63 | return $ret; |
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| 277 | daniel-mar | 64 | } |
| 65 | |||
| 66 | public function fetch_array()/*: ?array*/ { |
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| 502 | daniel-mar | 67 | if (!is_null($this->prefetchedArray)) { |
| 68 | $ret = array_shift($this->prefetchedArray); |
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| 69 | } else { |
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| 70 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
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| 71 | $ret = $this->res->fetch(PDO::FETCH_ASSOC); |
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| 72 | if ($ret === false) $ret = null; |
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| 73 | } |
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| 74 | if ($ret) $this->countAlreadyFetched++; |
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| 277 | daniel-mar | 75 | return $ret; |
| 76 | } |
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| 77 | |||
| 502 | daniel-mar | 78 | private static function array_to_stdobj($ary) { |
| 79 | $obj = new stdClass; |
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| 80 | foreach ($ary as $name => $val) { |
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| 81 | $obj->$name = $val; |
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| 82 | } |
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| 83 | return $obj; |
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| 84 | } |
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| 85 | |||
| 277 | daniel-mar | 86 | public function fetch_object()/*: ?object*/ { |
| 502 | daniel-mar | 87 | if (!is_null($this->prefetchedArray)) { |
| 88 | $ary = array_shift($this->prefetchedArray); |
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| 89 | $ret = is_null($ary) ? null : self::array_to_stdobj($ary); |
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| 90 | } else { |
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| 91 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
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| 92 | $ret = $this->res->fetch(PDO::FETCH_OBJ); |
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| 93 | if ($ret === false) $ret = null; |
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| 94 | } |
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| 95 | if ($ret) $this->countAlreadyFetched++; |
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| 277 | daniel-mar | 96 | return $ret; |
| 97 | } |
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| 360 | daniel-mar | 98 | } |