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@mdlinville
mdlinville committed Sep 22, 2023
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14 changes: 7 additions & 7 deletions src/current/_includes/releases/v23.2/v23.2.0-alpha.1.md
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Expand Up @@ -174,7 +174,7 @@ Release Date: September 23, 2023
- The `oidvectortypes` built-in has been implemented, which can format `oidvector`. [#108467][#108467]
- Added support for executing SQL statements directly within PLpgSQL routines. Note that this currently only applies to the subset of statements that can be executed within SQL UDFs, so `CREATE TABLE` is not supported, for example. `INTO` syntax is also supported. For example, `SELECT * INTO a, b FROM xy;`. [#107920][#107920]
- A SQL client can now request strict atomicity for mixed DDL/DML transactions with the new session variable `strict_ddl_atomicity`, which defaults to `false`. When this variable is set to `true`, CockroachDB will refuse to accept processing those specific DDL statements inside `BEGIN...COMMIT` for which it cannot guarantee atomic processing (other DDL statements are still allowed). Note that schema changes implicit in certain operations (e.g., `IMPORT`) are not protected via the new mechanism and can still fail with `XXA00` errors. [#42063][#42063]
- Fixed an issue where the UI was missing query text and details when looking at the SQL Activity [Transactions page]({% link v23.2/ui-transactions-page.md %}) if there was more than 500 transactions or statements. The `statement_activity` table now includes all statements for a transaction that are in the `transaction_activity` table. [#109424][#109424]
- Fixed an issue where the UI was missing query text and details on the SQL Activity [Transactions page]({% link v23.2/ui-transactions-page.md %}) if there were more than 500 transactions or statements. The `statement_activity` table now includes all statements for a transaction that are in the `transaction_activity` table. [#109424][#109424]
- Added the [`VIEWSYSTEMTABLE` system privilege]({% link v23.2/grant.md %}). Users with this privilege have `SELECT` privileges for all tables in the system database. [#109474][#109474]
- The `statement_activity` and `transaction_activity` tables column `execution_total_cluster_seconds` is now accurate. The `combinedstmts` endpoint returns the correct value for the `StmtsTotalRuntimeSecs` and `TxnsTotalRuntimeSecs` properties. [#109592][#109592]
- The `persistedsqlstats` table maximum size check is now done once an hour instead of every 10 minutes. This reduces the risk of serialization errors on the statistics tables. [#109696][#109696]
Expand Down Expand Up @@ -377,7 +377,7 @@ When cluster virtualization is enabled:
- The command `cockroach debug merge-log` was adapted to understand time zones in input files read with format `crdb-v1` or `crdb-v2`. [#104265][#104265]
- When customizing the SQL interactive prompt, `%M` and `%m` now behave more like `psql` when connecting over a Unix datagram socket. [#105137][#105137]
- The default value of the `--format` parameter to `cockroach debug zip` is `tsv`, like other CLI commands that can extract SQL data. [#107474][#107474]
- The `debug.zip` now includes the `crdb_internal.probe_range` table with a limit of 100 rows to avoid the query from taking to long. [#107720][#107720]
- The `debug.zip` now includes the `crdb_internal.probe_range` table with a limit of 100 rows to prevent the query from taking too long. [#107720][#107720]
- The default value for the `--max-sql-memory` parameter of the [`cockroach demo` command]({% link v23.2/cockroach-demo.md %}) has been increased from 128 MiB to 256 MiB. [#103642][#103642]
- The command `\demo recommission` has been removed from [`cockroach demo`]({% link v23.2/cockroach-demo.md %}). It had been obsolete and non-functional ever since v20.2. [#108566][#108566]
- Added limited `statement_statistics` to the debug ZIP file. [#108210][#108210]
Expand Down Expand Up @@ -455,7 +455,7 @@ When cluster virtualization is enabled:
- CockroachDB now automatically deletes statistics for dropped tables from the `system.table_statistics` table. [#105364][#105364]
- Fixed a rare internal error which occurs when a query uses a "project set" operation involving simple column expressions. [#104756][#104756]
- The [Raft]({% link v23.2/architecture/replication-layer.md %}#raft) `PreVote` and `CheckQuorum` mechanisms are now fully enabled. These prevent spurious elections when followers already have an active leader, and cause leaders to step down if they don't hear back from a quorum of followers. This improves reliability under partial and asymmetric network partitions, by avoiding spurious elections and preventing unavailability where a partially partitioned node could steal leadership away from an established leaseholder who would then no longer be able to reach the leader and submit writes. [#104042][#104042]
- Fixed a bug that could produce incorrect values for [virtual computed columns]({% link v23.2/computed-columns.md %}) in rare cases. The bug only ocurred when the virtual column expression's type did not match the type of the virtual column. [#105736][#105736]
- Fixed a bug that could produce incorrect values for [virtual computed columns]({% link v23.2/computed-columns.md %}) in rare cases. The bug only occurred when the virtual column expression's type did not match the type of the virtual column. [#105736][#105736]
- Fixed a rounding error that could cause distributed execution for some decimal aggregate functions to return slightly inaccurate results in rare cases. [#105694][#105694]
- Fixed the `StatementStatistics.Nodes` to contain all the nodes involved in the query. Fixed the region info in [`EXPLAIN ANALYZE (DISTSQL)`]({% link v23.2/explain-analyze.md %}) for virtual clusters. [#106587][#106587]
- Fixed a bug that caused [backups]({% link v23.2/take-full-and-incremental-backups.md %}) to fail if there are tables and functions of the same name. [#106626][#106626]
Expand All @@ -475,10 +475,10 @@ When cluster virtualization is enabled:
- The [Schema Insights page]({% link v23.2/ui-insights-page.md %}#schema-insights-tab) no longer times out. [#107292][#107292]
- The last SQL statement in a user-defined function with a `VOID` return type can now produce any number of columns of any type. This bug was present since UDFs were introduced in v22.2. [#108299][#108299]
- Fixed a bug that caused nodes to crash when attempting to `EXECUTE` a prepared statement with an argument that referenced a user-defined function. This bug was present since user-defined functions were introduced in v22.2. [#108213][#108213]
- Fixed a bug where a release [save point]({% link v23.2/savepoint.md %}) could incorrectly emit a "cannot publish new versions for descriptors" error instead of a retryable error to applications. [#108133][#108133]
- Fixed a bug where a release [save point]({% link v23.2/savepoint.md %}) could incorrectly emit a "cannot publish new versions for descriptors" error instead of a retryable error. [#108133][#108133]
- Users with the `VIEWACTIVITY` privilege now are able to see other users sessions from both the CLI and the DB Console. [#106590][#106590]
- Fixed a bug in [`cockroach demo`]({% link v23.2/cockroach-demo.md %}) whereby `\demo add` could sometimes crash with an error "`index out of range [...] with length ...`". This bug had been introduced in v19.x. [#108566][#108566]
- Fixed a bug where the command `\demo decommission` in `cockroach demo` could sometime leave the demo cluster in a broken state. This bug had been introduced in v20.2. [#108566][#108566]
- Fixed a bug introduced in v20.2 where the command `\demo decommission` in `cockroach demo` could leave the demo cluster in a broken state. [#108566][#108566]
- Fixed a bug where [`cockroach start`]({% link v23.2/cockroach-start.md %}) would sometimes incorrectly hang upon shutting down a server after encountering an internal error. This bug had been introduced some time in v22.x. [#108612][#108612]
- Fixed a bug in the index recommendations provided in the [`EXPLAIN`]({% link v23.2/explain.md %}) output where `ALTER INDEX ... VISIBLE` index recommendations may suggest making the wrong index visible when there are multiple invisible indexes in a table. [#108576][#108576]
- Users with the [`VIEWACTIVITY` privilege]({% link v23.2/grant.md %}) can now view correct values for timezones. [#108486][#108486]
Expand All @@ -498,7 +498,7 @@ When cluster virtualization is enabled:
- Fixed a bug where dependencies on sequences from tables would be reported with the wrong value for the `classid` column in the `pg_catalog.pg_depend` table. [#110144][#110144]
- Two `ALTER RANGE default CONFIGURE ZONE` statements on the same line no longer displays an error. [#109774][#109774]
- Fixed a DB Console issue where the `DROP_UNUSED` index recommendations produced by the table details page produced an invalid `DROP INDEX` statement. [#110429][#110429]
- Removed buggy [TTL]({% link v23.2/row-level-ttl.md %}) descriptor repair. Previously, upgrading from v22.2.X to v23.1.9 incorrectly removed TTL storage parameters from tables (visible by running a `SHOW CREATE TABLE <ttl-table>;` statment) while attempting to repair table descriptors. This resulted in the node that attempted to run the TTL job crashing due to a panic caused by the missing TTL storage parameters. [#110364][#110364]
- Removed buggy [TTL]({% link v23.2/row-level-ttl.md %}) descriptor repair. Previously, upgrading from v22.2.X to v23.1.9 incorrectly removed TTL storage parameters from tables (visible by running a `SHOW CREATE TABLE <ttl-table>;` statement) while attempting to repair table descriptors. This resulted in the node that attempted to run the TTL job crashing due to a panic caused by the missing TTL storage parameters. [#110364][#110364]
- `cockroach debug pebble` commands now work correctly with encrypted stores which don't use the default `cockroach-data` path without having to also pass `--store`. [#110150][#110150]
- Fixed a bug where `CREATE INDEX` for [partial indexes]({% link v23.2/partial-indexes.md %}) could fail with `ERROR: duplicate key value violates unique constraint` if concurrent inserts happened simultaneously. [#110216][#110216]
- Observability pages no longer crash when they encounter zeros (e.g. a session with no memory allocated). [#108752][#108752]
Expand All @@ -519,7 +519,7 @@ When cluster virtualization is enabled:
- Fixed a bug where an `ALTER TABLE ... ADD CONSTRAINT CHECK ...` statement that utilized a user-defined function in the `CHECK` could cause a validation error. [#110130][#110130]
- Fixed a bug where `RESET (ttl_expire_after)` could incorrectly remove `ttl_expiration_expression`. [#110252][#110252]
- Fixed a bug where the `format_type` builtin did not honor `typemod` information for array types, leading to incorrect output. [#110900][#110900]
- Fixed a bug introduced in v22.2 that incorrectly allowed users without the `EXECUTE` privilege to execute a a user-defined function. [#107587][#107587]
- Fixed a bug introduced in v22.2 that incorrectly allowed users without the `EXECUTE` privilege to execute a user-defined function. [#107587][#107587]

<h3 id="v23-2-0-alpha-1-performance-improvements">Performance improvements</h3>

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