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Convert from arrow to rowbatch (#2723)
For #2722 In our test environment, Doris cluster used 1 fe and 7 be (32C+128G). When using spakr-doris connecter to query a table containing 67 columns, it took about 1 hour for the query to return 69 million rows of data. After the improvement, the same query condition took 2.5 minutes and the query performance was significantly improved
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