回答編集履歴
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回答内容の追記
test
CHANGED
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@@ -15,3 +15,36 @@
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15
15
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- 「priceの組みあわせ」とは和なのか積なのかその他なのか
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- 「抽出できる組み合わせは毎回ランダムでも変わりません」の意図
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18
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+
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19
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+
【追記】
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20
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質問の要件をちゃんと満たせていませんが、2組限定で横持ちであれば、下記のクエリで取得可能になります。ご参考までに。
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21
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```
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22
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SELECT
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23
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cmb1.id AS id1,
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24
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cmb1.name AS name1,
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25
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cmb2.id AS id2,
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26
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cmb2.name AS name2,
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27
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cmb1.price + cmb2.price AS sum
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28
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FROM
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TABLE2 AS cmb1
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30
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CROSS JOIN
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31
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TABLE2 AS cmb2
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32
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WHERE
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33
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cmb1.price + cmb2.price <= (
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34
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SELECT total FROM TABLE1 WHERE id = 1
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35
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)
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36
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```
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37
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【出力】
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38
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|id1|name1|id2|name2|sum|
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39
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|-|-|-|-|-|
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40
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|1|a|1|a|50|
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41
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|1|a|2|b|80|
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42
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|1|a|5|e|90|
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43
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|2|b|1|a|80|
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44
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|2|b|2|b|30|
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45
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|2|b|5|e|70|
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46
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|3|c|3|c|100|
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47
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|5|e|1|a|90|
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48
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|5|e|2|b|70|
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49
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|5|e|5|e|40|
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50
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