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Data Skipping Indices fix #4286

merged 181 commits into from Feb 9, 2019


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nikvas0 commented Feb 6, 2019

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Fixes for #4143

  • review fix
  • fixed "create table as table"
  • fixed bugs in the unique index

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nikvas0 commented Feb 6, 2019

#4143 (comment)
MergeTreeReaderStream is moved MergeTreeDataReader::Stream, so I decided not to touch this code in order not to make more bugs.

11 5 4.7 6.50 cba b 2014-06-11
12 5 4.7 6.50 cba b 2015-01-01
"rows_read": 4,
"rows_read": 2,

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nikvas0 Feb 7, 2019

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There is 2 because KeyCondition does not drop out one granule.

@nikvas0 nikvas0 changed the title Data Skipping Indices fix [WIP] Data Skipping Indices fix Feb 7, 2019
@nikvas0 nikvas0 mentioned this pull request Feb 8, 2019
@alexey-milovidov alexey-milovidov merged commit 9650c4a into ClickHouse:master Feb 9, 2019
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