[Spark on Doris] fix the encode of varchar when convertArrowToRowBatch #5202
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morningman
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Jan 26, 2021
apache#5202) `convertArrowToRowBatch` use the default charset to encode String. Set it to UTF_8, because we use `arrow::utf8` on the Backends.
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Proposed changes
convertArrowToRowBatchuse the default charset to encodeString. Set it toUTF_8, because we usearrow::utf8on the Backends.Types of changes
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