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  1. <?php
  2.  
  3. /*
  4.  * OIDplus 2.0
  5.  * Copyright 2019 - 2023 Daniel Marschall, ViaThinkSoft
  6.  *
  7.  * Licensed under the Apache License, Version 2.0 (the "License");
  8.  * you may not use this file except in compliance with the License.
  9.  * You may obtain a copy of the License at
  10.  *
  11.  *     http://www.apache.org/licenses/LICENSE-2.0
  12.  *
  13.  * Unless required by applicable law or agreed to in writing, software
  14.  * distributed under the License is distributed on an "AS IS" BASIS,
  15.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16.  * See the License for the specific language governing permissions and
  17.  * limitations under the License.
  18.  */
  19.  
  20. namespace ViaThinkSoft\OIDplus;
  21.  
  22. // phpcs:disable PSR1.Files.SideEffects
  23. \defined('INSIDE_OIDPLUS') or die;
  24. // phpcs:enable PSR1.Files.SideEffects
  25.  
  26. class OIDplusQueryResultPgSql extends OIDplusQueryResult {
  27.         /**
  28.          * @var bool
  29.          */
  30.         protected $no_resultset;
  31.  
  32.         /**
  33.          * @var mixed
  34.          */
  35.         protected $res;
  36.  
  37.         /**
  38.          * @param mixed $res
  39.          */
  40.         public function __construct($res) {
  41.                 $this->no_resultset = is_bool($res);
  42.  
  43.                 if (!$this->no_resultset) {
  44.                         $this->res = $res;
  45.                 }
  46.         }
  47.  
  48.         /**
  49.          *
  50.          */
  51.         public function __destruct() {
  52.                 if ($this->res) {
  53.                         pg_free_result($this->res);
  54.                 }
  55.         }
  56.  
  57.         /**
  58.          * @return bool
  59.          */
  60.         public function containsResultSet(): bool {
  61.                 return !$this->no_resultset;
  62.         }
  63.  
  64.         /**
  65.          * @return int
  66.          * @throws OIDplusException
  67.          */
  68.         public function num_rows(): int {
  69.                 if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)'));
  70.                 return pg_num_rows($this->res);
  71.         }
  72.  
  73.         /**
  74.          * @return array|false|null
  75.          * @throws OIDplusException
  76.          */
  77.         public function fetch_array()/*: ?array*/ {
  78.                 if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)'));
  79.                 $ret = pg_fetch_array($this->res, null, PGSQL_ASSOC);
  80.                 if ($ret === false) $ret = null;
  81.                 if (!is_null($ret)) {
  82.                         foreach ($ret as $key => &$value){
  83.                                 $type = pg_field_type($this->res,pg_field_num($this->res, $key));
  84.                                 if ($type == 'bool'){
  85.                                         $value = ($value == 't');
  86.                                 }
  87.                         }
  88.                 }
  89.                 return $ret;
  90.         }
  91.  
  92.         /**
  93.          * @return false|object|null
  94.          * @throws OIDplusException
  95.          */
  96.         public function fetch_object()/*: ?object*/ {
  97.                 if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)'));
  98.                 $ret = pg_fetch_object($this->res);
  99.                 if ($ret === false) $ret = null;
  100.                 if (!is_null($ret)) {
  101.                         foreach ($ret as $key => &$value){
  102.                                 $type = pg_field_type($this->res,pg_field_num($this->res, $key));
  103.                                 if ($type == 'bool'){
  104.                                         $value = ($value == 't');
  105.                                 }
  106.                         }
  107.                 }
  108.                 return $ret;
  109.         }
  110. }