質問編集履歴
1
中間テーブルを用いたタグ検索のSQL文とそれに伴うエラーを追記しました。
test
CHANGED
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File without changes
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test
CHANGED
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@@ -45,3 +45,47 @@
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45
45
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46
46
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47
47
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どうかご享受お願いします。
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48
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+
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49
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+
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50
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51
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+
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52
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53
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※追記
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54
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55
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tag_map(中間テーブル)
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56
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+
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57
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+
|id|zatu_id|tag_id|
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58
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59
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|:--|:--:|--:|
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60
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+
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61
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|1|2|1|
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62
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+
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63
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|2|1|2|
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64
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+
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65
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+
|3|4|3|
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66
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+
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67
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|4|3|4|
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68
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+
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69
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70
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71
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**実行SQL**
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72
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73
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SELECT * FROM zatu
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74
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75
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WHERE EXISTS (
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76
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77
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SELECT group_concat(tag_tmp.name) AS tags
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78
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79
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FROM tag AS tag_tmp
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80
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81
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JOIN tag_map AS itt ON tag_tmp.id = itt.tag_id
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82
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+
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83
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WHERE zatu.t_id = itt.zatu_id
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84
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+
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85
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HAVING FIND_IN_SET('tag1', tags)
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86
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+
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87
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+
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88
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+
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89
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エラー
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90
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91
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ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 7
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