Details

    • Type: Task
    • Status: Open
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
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    • old issue number:
      22

      Description

      Support the standard SQL TABLESAMPLE clause by implementing a filter that uses a skip next hint based on the region boundaries of the table to only return n rows per region.

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        jamestaylor James Taylor added a comment -

        Another potential means of doing sampling (as pointed out by Lars Hofhansl) is when a table is salted. Given that a salt is limited to a single byte, this may not work that well. However, if multiple bytes could be specified (PHOENIX-3574), that would be a good option.

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        jamestaylor James Taylor added a comment - Another potential means of doing sampling (as pointed out by Lars Hofhansl ) is when a table is salted. Given that a salt is limited to a single byte, this may not work that well. However, if multiple bytes could be specified ( PHOENIX-3574 ), that would be a good option.

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            Reporter:
            jamestaylor James Taylor
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              Updated:

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