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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 OIDplusQueryResultSQLite3 extends OIDplusQueryResult { |
23 | protected $no_resultset; |
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24 | protected $res; |
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25 | protected $all_results = array(); |
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26 | protected $cursor = 0; |
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27 | |||
28 | public function __construct($res) { |
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29 | if (is_bool($res) || ($res->numColumns() == 0)) { |
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30 | // Why do qe need to check numColumns() ? |
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31 | // We need to do this because SQLite3::query() will always |
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32 | // return a result, even for Non-SELECT queries. |
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33 | // If you call fetchArray(), the query (e.g. INSERT) |
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34 | // will be executed again. |
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35 | $this->no_resultset = true; |
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36 | return; |
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37 | } |
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38 | |||
39 | if (!$this->no_resultset) { |
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40 | $this->res = $res; |
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41 | while ($row = $this->res->fetchArray(SQLITE3_ASSOC)) { |
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42 | // we need that because there is no numRows() function! |
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43 | $this->all_results[] = $row; |
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44 | } |
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45 | } |
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46 | } |
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47 | |||
48 | public function __destruct() { |
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49 | $this->all_results = array(); |
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50 | if (!is_null($this->res)) { |
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51 | $this->res->finalize(); |
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52 | $this->res = null; |
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53 | } |
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54 | } |
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55 | |||
56 | public function containsResultSet(): bool { |
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57 | return !$this->no_resultset; |
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58 | } |
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59 | |||
60 | public function num_rows(): int { |
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360 | daniel-mar | 61 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
277 | daniel-mar | 62 | return count($this->all_results); |
63 | } |
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64 | |||
65 | public function fetch_array()/*: ?array*/ { |
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360 | daniel-mar | 66 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
277 | daniel-mar | 67 | |
68 | //$ret = $this->res->fetchArray(SQLITE3_ASSOC); |
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69 | $cursor = $this->cursor; |
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70 | if (!isset($this->all_results[$cursor])) return null; |
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71 | $ret = $this->all_results[$cursor]; |
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72 | $cursor++; |
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73 | $this->cursor = $cursor; |
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74 | |||
75 | if ($ret === false) $ret = null; |
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76 | return $ret; |
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77 | } |
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78 | |||
79 | public function fetch_object()/*: ?object*/ { |
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360 | daniel-mar | 80 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
277 | daniel-mar | 81 | |
82 | $ary = $this->fetch_array(); |
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83 | if (!$ary) return null; |
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84 | |||
85 | $obj = new stdClass; |
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86 | foreach ($ary as $name => $val) { |
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87 | $obj->$name = $val; |
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88 | } |
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89 | return $obj; |
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90 | } |
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360 | daniel-mar | 91 | } |