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From tonycox <...@git.apache.org>
Subject [GitHub] flink issue #3149: FLINK-2168 Add HBaseTableSource
Date Wed, 01 Feb 2017 12:30:37 GMT
Github user tonycox commented on the issue:

    https://github.com/apache/flink/pull/3149
  
    @ramkrish86 ProjectableTableSource works in scan process. Without it TableScan is scanning
all collumns and applying flatMap function on the whole data to project and filter. It's inefficient
compared with pushing a projection and filtering right inside of scan proccess


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