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  1. Spark
  2. SPARK-49959

Fix ColumnarArray.copy() to read nulls from the correct offset

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      ColumnarArray represents an array containing elements from data[offset] to data[offset + length). When copying the array, the null flag should also be read starting from offset rather than 0.

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              mashplant Chenhao Li
              mashplant Chenhao Li
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