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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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| 5 | * Copyright 2019 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 | |||
| 20 | class OIDplusQueryResultSQLite3 extends OIDplusQueryResult { |
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| 21 | protected $no_resultset; |
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| 22 | protected $res; |
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| 23 | protected $all_results = array(); |
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| 24 | protected $cursor = 0; |
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| 25 | |||
| 26 | public function __construct($res) { |
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| 27 | if (is_bool($res) || ($res->numColumns() == 0)) { |
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| 28 | // Why do qe need to check numColumns() ? |
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| 29 | // We need to do this because SQLite3::query() will always |
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| 30 | // return a result, even for Non-SELECT queries. |
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| 31 | // If you call fetchArray(), the query (e.g. INSERT) |
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| 32 | // will be executed again. |
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| 33 | $this->no_resultset = true; |
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| 34 | return; |
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| 35 | } |
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| 36 | |||
| 37 | if (!$this->no_resultset) { |
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| 38 | $this->res = $res; |
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| 39 | while ($row = $this->res->fetchArray(SQLITE3_ASSOC)) { |
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| 40 | // we need that because there is no numRows() function! |
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| 41 | $this->all_results[] = $row; |
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| 42 | } |
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| 43 | } |
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| 44 | } |
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| 45 | |||
| 46 | public function __destruct() { |
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| 47 | $this->all_results = array(); |
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| 48 | if (!is_null($this->res)) { |
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| 49 | $this->res->finalize(); |
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| 50 | $this->res = null; |
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| 51 | } |
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| 52 | } |
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| 53 | |||
| 54 | public function containsResultSet(): bool { |
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| 55 | return !$this->no_resultset; |
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| 56 | } |
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| 57 | |||
| 58 | public function num_rows(): int { |
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| 360 | daniel-mar | 59 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
| 277 | daniel-mar | 60 | return count($this->all_results); |
| 61 | } |
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| 62 | |||
| 63 | public function fetch_array()/*: ?array*/ { |
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| 360 | daniel-mar | 64 | if ($this->no_resultset) throw new OIDplusException(_L('The query has returned no result set (i.e. it was not a SELECT query)')); |
| 277 | daniel-mar | 65 | |
| 66 | //$ret = $this->res->fetchArray(SQLITE3_ASSOC); |
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| 67 | $cursor = $this->cursor; |
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| 68 | if (!isset($this->all_results[$cursor])) return null; |
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| 69 | $ret = $this->all_results[$cursor]; |
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| 70 | $cursor++; |
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| 71 | $this->cursor = $cursor; |
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| 72 | |||
| 73 | if ($ret === false) $ret = null; |
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| 74 | return $ret; |
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| 75 | } |
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| 76 | |||
| 77 | public function fetch_object()/*: ?object*/ { |
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| 360 | daniel-mar | 78 | if ($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 | 79 | |
| 80 | $ary = $this->fetch_array(); |
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| 81 | if (!$ary) return null; |
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| 82 | |||
| 83 | $obj = new stdClass; |
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| 84 | foreach ($ary as $name => $val) { |
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| 85 | $obj->$name = $val; |
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| 86 | } |
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| 87 | return $obj; |
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| 88 | } |
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| 360 | daniel-mar | 89 | } |