Merging Vaex DataFrames Based on Key

This function merges two Vaex DataFrames into one based on a specified key.

Technology Stack : Vaex

Code Type : Function

Code Difficulty : Intermediate

                
                    
import vaex as vx

def merge_dataframes(df1, df2, key):
    """
    Merges two Vaex DataFrames on a specified key.

    Args:
        df1 (vx.DataFrame): The first Vaex DataFrame.
        df2 (vx.DataFrame): The second Vaex DataFrame.
        key (str): The column name to merge on.

    Returns:
        vx.DataFrame: The merged Vaex DataFrame.
    """
    # Use the 'merge' function from Vaex to combine the two DataFrames
    merged_df = vx.merge(df1, df2, left_on=key, right_on=key)
    return merged_df