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planner: donot prune all columns for Projection #24024

Merged
merged 8 commits into from
Apr 16, 2021
Merged

planner: donot prune all columns for Projection #24024

merged 8 commits into from
Apr 16, 2021

Commits on Apr 16, 2021

  1. planner: make empty Projection as Projection 1, just like count(1) 

    Signed-off-by: guo-shaoge <shaoge1994@163.com>
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    guo-shaoge committed Apr 16, 2021
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  2. empty Projection -> Projection 1 

    Signed-off-by: guo-shaoge <shaoge1994@163.com>
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    guo-shaoge committed Apr 16, 2021
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  3. do not eliminate empty Projection 

    Signed-off-by: guo-shaoge <shaoge1994@163.com>
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    guo-shaoge committed Apr 16, 2021
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  4. add test case 

    Signed-off-by: guo-shaoge <shaoge1994@163.com>
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    guo-shaoge committed Apr 16, 2021
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  5. change comments 

    Signed-off-by: guo-shaoge <shaoge1994@163.com>
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    guo-shaoge committed Apr 16, 2021
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  6. refine code 

    Signed-off-by: guo-shaoge <shaoge1994@163.com>
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    guo-shaoge committed Apr 16, 2021
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  7. trivial change 

    Signed-off-by: guo-shaoge <shaoge1994@163.com>
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    guo-shaoge committed Apr 16, 2021
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  8. Merge branch 'master' into 23887_tiflash_hash_join

    @ti-chi-bot
    ti-chi-bot authored Apr 16, 2021
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