質問編集履歴
3
サンプルの追加
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mysql Ver 8.0.22 for osx10.16 on x86_64 (Homebrew)
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サンプル
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```sql
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+----+----------+----------------------------+
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| id | source_user_id | event_type
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+----+----------+----------------------------+
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| 1 | A | 5
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| 2 | B | 1
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| 3 | B | 5
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| 4 | C | 5
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| 5 | C | 1
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| 6 | D | 5
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| 7 | D | 1
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| 8 | D | 5
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+----+----------+----------------------------+
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```
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抽出したいデータ(①を抽出した上で②で抽出)
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A,
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B,
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D
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何卒よろしくお願いいたします。
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2
ver追加
test
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test
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ver
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+-----------+
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| @@VERSION |
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+-----------+
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| 8.0.22 |
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+-----------+
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1 row in set (0.00 sec)
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何卒よろしくお願いいたします。
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1
順番を変更
test
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test
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テーブル
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-
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**line_webhook_events**
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カラム
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id
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id,
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source_user_id
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source_user_id,
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event
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event_type,
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希望条件
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①events_type=5
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①全てのsource_user_idを抽出。重複した場合、idが一番大きいもののみ抽出
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② ①で抽出したものからevents_type=5を抽出
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@@ -34,12 +38,4 @@
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```sql
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select * from line_webhook_events as t1 where id=(select max(id) from line_webhook_events where source_user_id=t1.source_user_id);
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```
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これで②の条件は抽出できたのです、①と組み合わせられず。。。
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何卒よろしくお願いいたします。
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