回答編集履歴
2
修正
test
CHANGED
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@@ -6,11 +6,11 @@
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6
6
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7
7
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insert into category (name, name_all)
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8
8
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9
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-
select split_part(category_name,
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9
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+
select split_part(category_name,'/',1), (array_agg(name order by id desc))[1]
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10
10
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11
11
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from original
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12
12
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13
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-
group by split_part(category_name,
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13
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+
group by split_part(category_name,'/',1)
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14
14
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15
15
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```
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16
16
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1
修正
test
CHANGED
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@@ -1,12 +1,12 @@
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1
1
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「insert_into_category()」で行っている事は、端的には以下のINSERTで済みます。
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2
2
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3
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-
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3
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+
（よく見るとid順で上書きだったので、順序を修正)
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4
4
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5
5
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```SQL
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6
6
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7
7
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insert into category (name, name_all)
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8
8
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9
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-
select split_part(category_name,E'/',1), (array_agg(name order by id))[1]
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9
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+
select split_part(category_name,E'/',1), (array_agg(name order by id desc))[1]
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10
10
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11
11
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from original
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12
12
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