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SQLAlchemy union 后列名就改变了，有办法保持原来的列名么？

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  •   coolair · Jan 12, 2017 · 1235 views
    This topic created in 3520 days ago, the information mentioned may be changed or developed.
    x.union(y)

    以后原来的column就会as成其他名字了。
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