Arenatlx

planner: fix name ambiguous check when building natural join without filter

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Signed-off-by: AilinKid ### What problem does this PR solve? Issue Number: close #32044 Problem Summary: ### What is changed and how it works? natural join without a filter may find...

executor: select agg from json column return wrong result with the MySQL

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## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) ``` CREATE TABLE `tbl_3` ( `col_15` json DEFAULT NULL, `col_16` json DEFAULT...

better add the voice analyzer and scorer

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希望加上语音识别和评分器 >.

planner: fix index merge shouldn't push partial limit down when index plans are keep ordered

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### What problem does this PR solve? Issue Number: close https://github.com/pingcap/tidb/issues/52947 Problem Summary: https://github.com/pingcap/tidb/issues/52947#issuecomment-2082033877 ### What changed and how does it work? ### Check List Tests - [x] Unit test...

planner: move ShowPredicateExtractor interface to base package out of core

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### What problem does this PR solve? Issue Number: ref https://github.com/pingcap/tidb/issues/51664, ref https://github.com/pingcap/tidb/issues/52714 Problem Summary: ### What changed and how does it work? ### Check List Tests - [ ]...

ddl: fast reorg of index may cause duplicate entry error

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## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required)    ### 2. What did you expect to see? (Required)...

index merge union case order property may be interrupted by implicit handle's reorder for cop location convenience

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## Bug Report Please answer these questions before submitting your issue. Thanks! source: https://github.com/pingcap/tidb/issues/52901 ### 1. Minimal reproduce step (Required) ``` mysql> show create table tbl_43; +--------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Table |...

planner: classify logical max one row into a separate file for later pkg move

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### What problem does this PR solve? Issue Number: ref https://github.com/pingcap/tidb/issues/51664, ref https://github.com/pingcap/tidb/issues/52714 Problem Summary: ### What changed and how does it work? ### Check List Tests - [ ]...

planner: classify logical table dual into a separate file for later pkg move.

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### What problem does this PR solve? Issue Number: ref https://github.com/pingcap/tidb/issues/51664, ref https://github.com/pingcap/tidb/issues/52714 Problem Summary: ### What changed and how does it work? ### Check List Tests - [ ]...

planner: classify logical tikv single gather into a separate file for later pkg move.

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### What problem does this PR solve? Issue Number: ref https://github.com/pingcap/tidb/issues/51664, ref https://github.com/pingcap/tidb/issues/52714 Problem Summary: ### What changed and how does it work? ### Check List Tests - [ ]...