!655 Heuristic Index Features Documentation Edits
Merge pull request !655 from Daniel Zhang/hindex-splits-test
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@ -18,7 +18,7 @@ The Heuristic Indexer allows creating indexes on existing data but stores the in
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tables using ORC storage format.**
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1. BloomIndex, MinMaxIndex and BtreeIndex can be used on a coordinator for filtering splits during scheduling
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2. When reading ORC files, to filter Stripes, MinMaxIndex can be used or BloomIndex can be used on workers
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2. When reading ORC files, to filter Stripes, MinMaxIndex and BloomIndex can be used on workers
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2. BitmapIndex can used on workers for filtering rows when reading ORC files
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### 1. Filtering scheduled Splits during query execution
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@ -17,7 +17,7 @@
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**注意:当前,启发式索引仅支持ORC存储格式的Hive数据源。**
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1. BloomIndex,MinMaxIndex和BtreeIndex可以在Coordinator上使用,以在调度期间过滤Splits
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2. 在读取ORC文件时,为了过滤Splits,可以使用MinMaxIndex或者在workers上使用BloomIndex
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2. 在读取ORC文件时,为了过滤Splits,可以在workers上使用MinMaxIndex或者BloomIndex
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3. 在读取ORC文件时,BitmapIndex可以在workers上用于过滤数据行
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### 1.查询过程中过滤预定分片
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