February 11, 2020

This page lists additions and changes in v19.2.4 since v19.2.3.

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Security updates

  • Previous versions of CockroachDB were incorrectly enabling non-admin SQL users to use the statements details in the Admin UI and the HTTP endpoint /_status/statements. This information is sensitive because the endpoint does not hide data that the requester does not have privilege over. This has been corrected by requiring a SQL admin user to access the statements details page and the HTTP endpoint. #44354

Bug fixes

  • Fixed a bug where CockroachDB would return an internal error when the substring function with a negative length was executed via the vectorized engine. CockroachDB now returns a regular query error on executing the function. #44629
  • Fixed "no output column equivalent to.." and "column not in input" errors in some cases involving DISTINCT ON and ORDER BY. #44598
  • Fixed "expected constant FD to be strict" internal error. #44604
  • Fixed possibly incorrect query results in various cornercases, especially when SELECT DISTINCT is used. #44604
  • Fixed a bug where running a query with the LIKE operator using the custom ESCAPE symbol when the pattern contained Unicode characters could result in an internal error in CockroachDB. #44648
  • CockroachDB no longer repeatedly looks for non-existing jobs, which may cause high memory usage, when cleaning up schema changes. #44698
  • Fixed "no indexes" internal error in some cases when we GROUP BY on a virtual table. #44723
  • Fixed invalid query results in some corner cases where part of a WHERE clause is incorrectly discarded. #44749
  • Fixed a typechecking error where BETWEEN would sometimes allow boundary expressions of a different type. #44810
  • CASE operators with an unknown WHEN type no longer return an error. #44818

Contributors

This release includes 15 merged PRs by 10 authors.



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