回答編集履歴
2
追加
test
CHANGED
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@@ -122,4 +122,58 @@
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SqlServerも作成しました。久々で自信はありませんが、動く様です。
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```
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WITH EMP_CTE(id, jyoshi, buka)
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AS
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(
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SELECT
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id,
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jyoshi,
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buka
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FROM
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testAA
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WHERE jyoshi = '上田一郎'
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UNION ALL
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SELECT
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testAA.id,
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testAA.jyoshi,
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testAA.buka
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FROM
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testAA
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INNER JOIN EMP_CTE
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ON testAA.jyoshi = EMP_CTE.buka
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)
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--
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DELETE FROM testAA WHERE id in (SELECT id FROM EMP_CTE);
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```
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1
追加
test
CHANGED
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@@ -69,3 +69,57 @@
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69
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CALL sample03 ('上田一郎');
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```
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postgresでも作成してみました。指定された上司のレコードから、上司部下の関係のテーブルを最深階層（部下がいない）までを読み、そこから逆に上に戻りながら削除を行う動きとなります。
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```postgres
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83
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#ストアド
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84
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85
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CREATE OR REPLACE FUNCTION test_sp_func9(in_name TEXT)
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RETURNS INT AS $$
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DECLARE rc tableA%rowtype;
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DECLARE _ret int;
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BEGIN
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FOR rc IN SELECT * FROM tableA WHERE joshi=in_name LOOP
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SELECT test_sp_func9 (rc.buka) INTO _ret;
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DELETE FROM tableA WHERE joshi=rc.joshi AND buka=rc.buka;
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END LOOP;
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RETURN 0;
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END;
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$$ LANGUAGE plpgsql;
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#実行
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select test_sp_func9('上田一郎')；
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```
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