質問編集履歴
2
いいね機能部分のファイルの追加
test
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File without changes
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test
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@@ -389,3 +389,155 @@
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389
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</div>
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```
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395
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### ajax.php
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```
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399
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<?php
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400
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401
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session_start();
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403
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404
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405
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require_once 'function.php';
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406
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407
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+
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408
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409
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// postがある場合
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410
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+
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411
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if(isset($_POST['postId'])){
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412
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$p_id = $_POST['postId'];
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try{
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//DB接続
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420
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$dbh = dbConnect();
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422
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423
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// Likesテーブルから投稿IDとユーザーIDが一致したレコードを取得するSQL文
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424
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425
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$sql = 'SELECT * FROM Likes WHERE post_id = :p_id AND member_id = :u_id';
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426
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427
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$data = array(':p_id' => $p_id, 'u_id' => $_SESSION['member_id']);
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428
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+
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429
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// クエリ実行
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430
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431
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$stmt = queryPost($dbh, $sql, $data);
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432
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433
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$resultCount = $stmt->rowCount();
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434
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435
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// レコードが1件でもある場合
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436
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+
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437
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if(!empty($resultCount)){
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438
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439
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// レコードを削除する
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440
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441
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$sql = 'DELETE FROM Likes WHERE post_id = :p_id AND member_id = :u_id';
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442
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$data = array(':p_id' => $p_id, ':u_id' => $_SESSION['member_id']);
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444
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445
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// クエリ実行
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$stmt = queryPost($dbh, $sql, $data);
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448
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echo count(getGood($p_id));
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450
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451
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}else{
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452
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453
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// レコードを挿入する
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454
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$sql = 'INSERT INTO Likes (post_id, member_id, like_created_at) VALUES (:p_id, :u_id, :date)';
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456
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457
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$data = array(':p_id' => $p_id, ':u_id' => $_SESSION['member_id'], ':date' => date('Y-m-d H:i:s'));
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458
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459
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// クエリ実行
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460
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$stmt = queryPost($dbh, $sql, $data);
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echo count(getGood($p_id));
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var_dump(count(getGood($p_id)));
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466
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467
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}
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468
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469
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}catch(Exception $e){
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470
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471
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error_log('エラー発生：'.$e->getMessage());
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472
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}
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474
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}
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477
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478
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?>
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480
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481
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```
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482
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483
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### likes_test.js
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484
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485
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```
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486
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487
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$(function(){
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488
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489
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var $good = $('.btn-good'), //いいねボタンセレクタ
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490
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491
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goodPostId; //投稿ID
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492
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493
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$good.on('click',function(e){
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e.stopPropagation();
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496
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497
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var $this = $(this);
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498
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499
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//カスタム属性（postid）に格納された投稿ID取得
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500
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501
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goodPostId = $this.parents('.post').data('postid');
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502
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503
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$.ajax({
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505
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type: 'POST',
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506
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507
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url: 'Likes/ajax.php', //post送信を受けとるphpファイル
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508
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+
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509
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data: { postId: goodPostId} //{キー:投稿ID}
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510
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+
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511
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}).done(function(data){
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512
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513
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console.log('Ajax Success');
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514
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515
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+
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516
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+
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517
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// いいねの総数を表示
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518
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+
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519
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$this.children('span').html(data);
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520
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+
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521
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// いいね取り消しのスタイル
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522
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+
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523
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$this.children('i').toggleClass('far'); //空洞ハート
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524
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+
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525
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+
// いいね押した時のスタイル
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526
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+
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527
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$this.children('i').toggleClass('fas'); //塗りつぶしハート
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528
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+
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529
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$this.children('i').toggleClass('active');
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530
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531
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$this.toggleClass('active');
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532
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533
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}).fail(function(msg) {
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534
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535
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console.log('Ajax Error');
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536
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537
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});
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538
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539
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});
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540
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+
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541
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+
});
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542
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+
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543
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+
```
|
1
データベースの表示をマークダウン記法にしました。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -60,6 +60,8 @@
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60
60
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61
61
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テーブル Members
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62
62
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|
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63
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+
```
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64
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+
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63
65
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+-------------------+--------------+------+-----+-------------------+-----------------------------------------------+
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64
66
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65
67
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| Field | Type | Null | Key | Default | Extra |
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@@ -82,10 +84,14 @@
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82
84
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83
85
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+-------------------+--------------+------+-----+-------------------+-----------------------------------------------+
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84
86
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|
87
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+
```
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88
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+
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85
89
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86
90
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|
|
87
91
|
テーブル Post
|
|
88
92
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|
|
93
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+
```
|
|
94
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+
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89
95
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+-----------+--------------+------+-----+-------------------+-------------------+
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90
96
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91
97
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| Field | Type | Null | Key | Default | Extra |
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|
@@ -104,8 +110,12 @@
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104
110
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105
111
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106
112
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113
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+
```
|
|
114
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+
|
|
107
115
|
テーブル Likes
|
|
108
116
|
|
|
117
|
+
```
|
|
118
|
+
|
|
109
119
|
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|
110
120
|
|
|
111
121
|
+-----------------+----------+------+-----+-------------------+-----------------------------------------------+
|
|
@@ -126,7 +136,7 @@
|
|
|
126
136
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|
127
137
|
+-----------------+----------+------+-----+-------------------+-----------------------------------------------+
|
|
128
138
|
|
|
129
|
-
|
|
139
|
+
```
|
|
130
140
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131
141
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132
142
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