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61 lines
3.1 KiB
Plaintext
61 lines
3.1 KiB
Plaintext
explain select * from numbers;
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+---------------+----------------------------------------+
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| plan_type | plan |
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+---------------+----------------------------------------+
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| logical_plan | TableScan: numbers projection=[number] |
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| physical_plan | ExecutionPlan(PlaceHolder) |
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+---------------+----------------------------------------+
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explain select * from numbers order by number desc;
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+---------------+------------------------------------------+
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| plan_type | plan |
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+---------------+------------------------------------------+
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| logical_plan | Sort: numbers.number DESC NULLS FIRST |
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| | TableScan: numbers projection=[number] |
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| physical_plan | SortExec: expr=[number@0 DESC] |
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| | ExecutionPlan(PlaceHolder) |
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+---------------+------------------------------------------+
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explain select * from numbers order by number asc;
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+---------------+------------------------------------------+
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| plan_type | plan |
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+---------------+------------------------------------------+
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| logical_plan | Sort: numbers.number ASC NULLS LAST |
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| | TableScan: numbers projection=[number] |
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| physical_plan | ExecutionPlan(PlaceHolder) |
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+---------------+------------------------------------------+
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explain select * from numbers order by number desc limit 10;
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+---------------+---------------------------------------------------+
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| plan_type | plan |
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+---------------+---------------------------------------------------+
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| logical_plan | Limit: skip=0, fetch=10 |
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| | Sort: numbers.number DESC NULLS FIRST, fetch=10 |
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| | TableScan: numbers projection=[number] |
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| physical_plan | GlobalLimitExec: skip=0, fetch=10 |
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| | SortExec: fetch=10, expr=[number@0 DESC] |
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| | ExecutionPlan(PlaceHolder) |
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+---------------+---------------------------------------------------+
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explain select * from numbers order by number asc limit 10;
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+---------------+-------------------------------------------------+
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| plan_type | plan |
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+---------------+-------------------------------------------------+
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| logical_plan | Limit: skip=0, fetch=10 |
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| | Sort: numbers.number ASC NULLS LAST, fetch=10 |
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| | TableScan: numbers projection=[number] |
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| physical_plan | GlobalLimitExec: skip=0, fetch=10 |
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| | ExecutionPlan(PlaceHolder) |
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+---------------+-------------------------------------------------+
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