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635 | daniel-mar | 1 | <?php |
2 | |||
3 | /* |
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4 | * OIDplus 2.0 |
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5 | * Copyright 2019 - 2021 Daniel Marschall, ViaThinkSoft |
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6 | * |
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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 | |||
1050 | daniel-mar | 20 | namespace ViaThinkSoft\OIDplus; |
635 | daniel-mar | 21 | |
22 | class OIDplusQueryResultPDO extends OIDplusQueryResult { |
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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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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 = $this->res->fetchAll(); |
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35 | } |
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36 | |||
37 | public function __destruct() { |
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38 | if ($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 | |||
45 | private $prefetchedArray = null; |
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46 | private $countAlreadyFetched = 0; |
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47 | |||
48 | public function num_rows(): int { |
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49 | if (!is_null($this->prefetchedArray)) { |
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50 | return count($this->prefetchedArray) + $this->countAlreadyFetched; |
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51 | } |
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52 | |||
53 | if ($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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54 | $ret = $this->res->rowCount(); |
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55 | |||
56 | // -1 can happen when PDO is connected via ODBC that is running a driver that does not support num_rows (e.g. Microsoft Access) |
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57 | // if ($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 $ret; |
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64 | } |
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65 | |||
66 | public function fetch_array()/*: ?array*/ { |
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67 | if (!is_null($this->prefetchedArray)) { |
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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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1050 | daniel-mar | 71 | $ret = $this->res->fetch(\PDO::FETCH_ASSOC); |
635 | daniel-mar | 72 | if ($ret === false) $ret = null; |
73 | } |
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74 | if ($ret) $this->countAlreadyFetched++; |
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783 | daniel-mar | 75 | |
76 | // Oracle returns $ret['VALUE'] because unquoted column-names are always upper-case |
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77 | // We can't quote every single column throughout the whole program, so we use this workaround... |
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78 | if ($ret) { |
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79 | $keys = array_keys($ret); |
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80 | foreach($keys as $key) { |
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81 | $ret[strtolower($key)]=$ret[$key]; |
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82 | $ret[strtoupper($key)]=$ret[$key]; |
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83 | } |
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84 | } |
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85 | |||
635 | daniel-mar | 86 | return $ret; |
87 | } |
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88 | |||
89 | private static function array_to_stdobj($ary) { |
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1050 | daniel-mar | 90 | $obj = new \stdClass; |
635 | daniel-mar | 91 | foreach ($ary as $name => $val) { |
92 | $obj->$name = $val; |
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93 | } |
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94 | return $obj; |
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95 | } |
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96 | |||
97 | public function fetch_object()/*: ?object*/ { |
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98 | if (!is_null($this->prefetchedArray)) { |
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99 | $ary = array_shift($this->prefetchedArray); |
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100 | $ret = is_null($ary) ? null : self::array_to_stdobj($ary); |
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101 | } else { |
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102 | if ($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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1050 | daniel-mar | 103 | $ret = $this->res->fetch(\PDO::FETCH_OBJ); |
635 | daniel-mar | 104 | if ($ret === false) $ret = null; |
105 | } |
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106 | if ($ret) $this->countAlreadyFetched++; |
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786 | daniel-mar | 107 | |
108 | // Oracle returns $ret['VALUE'] because unquoted column-names are always upper-case |
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109 | // We can't quote every single column throughout the whole program, so we use this workaround... |
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110 | if ($ret) { |
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111 | foreach ($ret as $name => $val) { |
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112 | $ret->{strtoupper($name)} = $val; |
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113 | $ret->{strtolower($name)} = $val; |
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114 | } |
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115 | } |
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116 | |||
635 | daniel-mar | 117 | return $ret; |
118 | } |
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783 | daniel-mar | 119 | } |