1. 24 6月, 2016 33 次提交
  2. 23 6月, 2016 7 次提交
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      64883faa
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      23c898fc
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      Merge branch '18915-pagination-with-priority-sort-repeats-results' into 'master' · 26b95777
      Rémy Coutable 提交于
      Fix pagination on sorts with lots of ties
      
      ## What does this MR do?
      
      Fixes #18915. As we only order by the sorted column, we don't have any tie-breaker. Some orderings, like priority and weight, have lots of ties, so you can see duplicate results as you page through. (Timestamp columns are less susceptible to this.)
      
      ## Are there points in the code the reviewer needs to double check?
      
      I just picked `id DESC`, this could as easily be `id ASC`.
      
      ## Why was this MR needed?
      
      Postgres and MySQL don't guarantee that pagination with `LIMIT` and
      `OFFSET` will work as expected if the ordering isn't unique. From the Postgres docs:
      
      > When using `LIMIT`, it is important to use an `ORDER BY` clause that
      > constrains the result rows into a unique order. Otherwise you will get
      > an unpredictable subset of the query's rows
      
      Before:
      
          [1] pry(main)> issues = 1.upto(Issue.count).map { |i| Issue.sort('priority').page(i).per(1).map(&:id) }.flatten
          [2] pry(main)> issues.count
          => 81
          [3] pry(main)> issues.uniq.count
          => 42
      
      After:
      
          [1] pry(main)> issues = 1.upto(Issue.count).map { |i| Issue.sort('priority').page(i).per(1).map(&:id) }.flatten
          [2] pry(main)> issues.count
          => 81
          [3] pry(main)> issues.uniq.count
          => 81
      
      See merge request !4878
      26b95777
    • R
      Merge branch 'fix-clickable-code-search-results' into 'master' · 110b2759
      Robert Speicher 提交于
      Fix clickable code search results
      
      Closes #17860
      
      See merge request !4654
      110b2759
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    • K
      Fix 404 for pipelines · aa05fbc0
      Kamil Trzcinski 提交于
      aa05fbc0
    • S
      Fix pagination on sorts with lots of ties · d7a5a28c
      Sean McGivern 提交于
      Postgres and MySQL don't guarantee that pagination with `LIMIT` and
      `OFFSET` will work if the ordering isn't unique. From the Postgres docs:
      
      > When using `LIMIT`, it is important to use an `ORDER BY` clause that
      > constrains the result rows into a unique order. Otherwise you will get
      > an unpredictable subset of the query's rows
      
      Before:
      
          [1] pry(main)> issues = 1.upto(Issue.count).map { |i| Issue.sort('priority').page(i).per(1).map(&:id) }.flatten
          [2] pry(main)> issues.count
          => 81
          [3] pry(main)> issues.uniq.count
          => 42
      
      After:
      
          [1] pry(main)> issues = 1.upto(Issue.count).map { |i| Issue.sort('priority').page(i).per(1).map(&:id) }.flatten
          [2] pry(main)> issues.count
          => 81
          [3] pry(main)> issues.uniq.count
          => 81
      d7a5a28c