磚

@Mike k .沒有使用視圖,我添加了一個解決方案。temp_df = df2。加入(df1,“可樂”=“左”)。選擇(“*”,df1.colB.alias (“df1_colB”)) .drop df2 = temp_df (df1.colB)。withColumn (“colB”(卡紮菲(col (colB) < = (“df1_colB”)) \……