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orderby doesn't use the index when to init stats #52466

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hawkingrei opened this issue Apr 10, 2024 · 0 comments · Fixed by #52462
Closed

orderby doesn't use the index when to init stats #52466

hawkingrei opened this issue Apr 10, 2024 · 0 comments · Fixed by #52462
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affects-7.5 affects-8.1 severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.

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@hawkingrei
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Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

SQL in the init stats like load bucket/topn have orderby. but when to explain the SQL, all of them do not use index to orderby

2. What did you expect to see? (Required)

use index

3. What did you see instead (Required)

not use index

4. What is your TiDB version? (Required)
@hawkingrei hawkingrei mentioned this issue Apr 10, 2024
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ti-chi-bot bot pushed a commit that referenced this issue Apr 11, 2024
@hawkingrei
statstics: forcely use index to order when to init stats (#52462)
87b8d01 
close #52466
This was referenced Apr 11, 2024
Merged
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ti-chi-bot bot pushed a commit that referenced this issue Apr 15, 2024
@ti-chi-bot
statstics: forcely use index to order when to init stats (#52462) (#5…
2b5131f 
…2507)

close #52466
ti-chi-bot bot pushed a commit that referenced this issue Apr 15, 2024
@ti-chi-bot
statstics: forcely use index to order when to init stats (#52462) (#5…
d936756 
…2508)

close #52466
3AceShowHand pushed a commit to 3AceShowHand/tidb that referenced this issue Apr 16, 2024
@hawkingrei @3AceShowHand
statstics: forcely use index to order when to init stats (pingcap#52462)
f75b1dd 
close pingcap#52466
@jebter jebter added the sig/planner SIG: Planner label Apr 29, 2024
@hawkingrei hawkingrei mentioned this issue Jun 20, 2024
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affects-7.5 affects-8.1 severity/moderate sig/planner SIG: Planner type/bug The issue is confirmed as a bug.
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statstics: forcely use index to order when to init stats hawkingrei/tidb
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@hawkingrei @jebter