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wuwukai007
V2EX  ›  Python

sqlalchemy 如何 执行 insert into if not exists?

  •  1
     
  •   wuwukai007 · Sep 13, 2021 · 2377 views
    This topic created in 1688 days ago, the information mentioned may be changed or developed.

    这种 sql,怎么用 sqlalchemy 写?

    INSERT INTO table_listnames (name, address, tele)
    SELECT * FROM (SELECT 'Rupert', 'Somewhere', '022') AS tmp
    WHERE NOT EXISTS (
        SELECT name FROM table_listnames WHERE name = 'Rupert'
    ) LIMIT 1;
    
    3 replies    2021-09-14 15:21:22 +08:00
    knightdf
        2
    knightdf  
       Sep 14, 2021
    .prefix_with('IGNORE')应该也可以解决
    wuwukai007
        3
    wuwukai007  
    OP
       Sep 14, 2021
    @RockShake 谢谢
    @knightdf 这个会导致自动 ID 不对
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