Issues

• [Bug]: INSERT and COPY ALTER classify ordinary foreign-key violations as internal error 20101/HY000

  kind/bugneeds-triage
  matrixorigin/matrixone#30540 · Filter by author XuPeng-SH opened on Oct 19, 2026
  

• [Bug]: Comparing JSON_EXTRACT with a number aborts the query on non-numeric JSON values

  kind/bug
  matrixorigin/matrixone#30539 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: ENUM and SET reject trailing-space and non-strict values that MySQL accepts

  kind/bug
  matrixorigin/matrixone#30538 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: DATE() aborts the query on invalid date strings where MySQL 8 returns NULL

  kind/bug
  matrixorigin/matrixone#30537 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: iceberg_rewrite_manifests commits a spec-invalid snapshot operation and pyiceberg then refuses to load the table

  kind/bug
  matrixorigin/matrixone#30534 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: JSON and regexp argument-validation errors diverge from MySQL error codes and SQLSTATE

  kind/bug
  matrixorigin/matrixone#30531 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: Downstream operators over multi-branch UNION ALL consume branches in reversed and run-varying order

  kind/bug
  matrixorigin/matrixone#30530 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: SRID-4326 geo functions treat first ordinate as longitude; MySQL 8 treats it as latitude, swapping locations

  kind/bug
  matrixorigin/matrixone#30529 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: SQL 动态 S3 导入在 Region 未显式设置时失败

  kind/bugneeds-triage
  Bug

  matrixorigin/matrixone#30528 · Filter by author Ariznawlll opened on Oct 18, 2026 · MO-202610
  1

  

• [Docs]: Document two-node active/passive deployment with fencing

  matrixorigin/matrixone#30524 · Filter by author XuPeng-SH opened on Oct 18, 2026
  

• [Bug]: Iceberg mapping with ref='snapshot:<id>' accepts DDL but every SELECT fails with misleading load_credentials 400

  kind/bug
  matrixorigin/matrixone#30523 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: Iceberg external table with ref='branch:main' accepts INSERT but SELECT fails with snapshot ref was not found

  kind/bug
  matrixorigin/matrixone#30522 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: FLOAT/DOUBLE results never use scientific notation on the MySQL text wire, unlike MySQL 8.0

  kind/bug
  matrixorigin/matrixone#30521 · Filter by author iamlinjunhong opened on Oct 18, 2026
  

• [Bug]: [S-1] TPCC 1000W/1000T throughput drops 56.48% after #30421

  kind/bugseverity/s-1
  Bug

  matrixorigin/matrixone#30520 · Filter by author Ariznawlll opened on Oct 18, 2026 · MO-202610
  

• [Performance]: Track SF100 BranchBench slowdown against historical results (COPY ALTER and branch lifecycle)

  kind/performance
  matrixorigin/matrixone#30518 · Filter by author VioletQwQ-0 opened on Oct 18, 2026
  

• [Bug]: PITR account restore permanently kills same-account CDC tasks; 'restart' recovery loops forever on failed->restarting transition conflict

  kind/bugseverity/s1
  matrixorigin/matrixone#30512 · Filter by author Ariznawlll opened on Oct 18, 2026
  

• [Bug]: Parallel COS LOAD boundary probes drain file tails on Close after #30364 (1.8s -> 561s)

  ai-lightkind/bugneeds-triageseverity/s-1
  matrixorigin/matrixone#30511 · Filter by author LeftHandCold opened on Oct 18, 2026
  

• [Bug]: SHOW TABLE STATUS index-size lookup crashes two 4.2.5 QA CNs in tableCache HashTrieMap expansion

  kind/bugneeds-triage
  matrixorigin/matrixone#30510 · Filter by author LeftHandCold opened on Oct 18, 2026
  

• [Bug]: DESC and SHOW COLUMNS on a session temporary table return zero rows

  kind/bug
  matrixorigin/matrixone#30508 · Filter by author iamlinjunhong opened on Oct 17, 2026
  

• [Bug]: orphan temp-table GC drop SQL breaks on backticks; orphan rows are never reclaimed

  kind/bug
  matrixorigin/matrixone#30507 · Filter by author iamlinjunhong opened on Oct 17, 2026
  

• [Bug]: CREATE TEMPORARY TABLE in a database created in the same transaction leaks raw (0, 'ExpectedEOB')

  kind/bug
  matrixorigin/matrixone#30506 · Filter by author iamlinjunhong opened on Oct 17, 2026
  

• [Bug]: LOAD DATA silently strips a trailing CR from the last field, even inside quoted content

  kind/bug
  matrixorigin/matrixone#30504 · Filter by author iamlinjunhong opened on Oct 17, 2026
  

• [Bug]: Iceberg TIMESTAMP AS OF can resolve a read to another branch's snapshot or a superseded log entry

  kind/bug
  matrixorigin/matrixone#30503 · Filter by author iamlinjunhong opened on Oct 17, 2026
  

• [Bug]: Iceberg maintenance CALL options are case-sensitive; Ref=audit silently rewires the job to the main branch

  kind/bug
  matrixorigin/matrixone#30502 · Filter by author iamlinjunhong opened on Oct 17, 2026
  

• [Bug]: DELETE ... FOR ICEBERG SNAPSHOT silently pins the stale snapshot as the DML commit base

  kind/bug
  matrixorigin/matrixone#30501 · Filter by author iamlinjunhong opened on Oct 17, 2026