回答編集履歴
1
訂正
test
CHANGED
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@@ -10,7 +10,7 @@
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10
10
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11
11
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, (select count(*) from item
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12
12
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13
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-
where category_id=t1.category_id and created_at
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13
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+
where category_id=t1.category_id and created_at>=t1.created_at
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14
14
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15
15
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) as no
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16
16
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