Revert "Revert "treewide: Bump rust version to nightly-2023-12-28"" #1244
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As part of MySQL 8.4 release, terminology about Master/Slave has been replaced. During snapshot, we issue SHOW MASTER STATUS to gather the current binlog position. This command has been replaced with SHOW BINARY LOG STATUS by mysql/mysql-server@6e2c577 . Unfortunately, the new terminology is not available on 8.0 series, so we need to check the server version and conditionally adjust the query we issue. Also, adjusted the checksum query to use the new terminology of source_binlog_checksum is compatible with 8.0 and 8.4. Ref: REA-4374 Closes: #1253 Release-Note-Core: Adjusted replicators terminology to be compatible with MySQL 8.4. Change-Id: I2a57d07ef1a4a426efce3e1989d2d0e3436b6d52 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7449 Tested-by: Buildkite CI Reviewed-by: Jason Brown <[email protected]>
Since there is no `i24/u24` native to Rust, we use `u32` and do some manual bounds checking when converting from other types. We also introduce a MySQL-specific logictest subdirectory, for tests (such as the one included here) which we never expect to run against PostgreSQL. Likely some existing tests should be moved there. Release-Note-Core: Added support for MySQL's `MEDIUMINT` column type. Fixes: REA-4285 Change-Id: I4530093ea029957dc4c8b32ab6b56a47cce177ca Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7461 Tested-by: Buildkite CI Reviewed-by: Jason Brown <[email protected]>
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Allow clustertests to set the `--enable-experimental-post-lookup` flag. Change-Id: Ia6b485922f6097154a1c4134f0aae827f4b5b0eb Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7415 Tested-by: Buildkite CI Reviewed-by: Ethan Donowitz <[email protected]>
If you have an empty directory under the `benches_data/<db>`, you will
get a confusing error message like this:
```
No schema for benchmark {name}
```
It ends up being that you don't have as schema file (suffixed with
`.sql`) in on of the subdirectories. The error message fails to insert
the bench test name (from it's folder name), and thus unclear. This CL
just fixes that error message a bit.
Change-Id: I2f85bc43d5ce986894233bff855392fc1345b9d6
Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7469
Tested-by: Buildkite CI
Reviewed-by: Ethan Donowitz <[email protected]>
Short circuit some post-lookup operations if the results contain only a single key (possibly with multiple rows), or a single key with a single row. Change-Id: I6698188a7aeb2a1a575896a38387cc77225fe9e7 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7470 Tested-by: Buildkite CI Reviewed-by: Ethan Donowitz <[email protected]>
Allow parameterization of a WHERE IN clause when the SELECT contains aggregations. The aggregation across the keys in from the WHERE IN still must execute as a post-lookup operation. Release-Note-Core: Allow parameterizing WHERE IN clauses when the query contains aggregations. Change-Id: Iaf28fb394c4964e5d7e9869b3741fc2017c492d5 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7399 Tested-by: Buildkite CI Reviewed-by: Ethan Donowitz <[email protected]>
If we are no longer replicating a table, e.g. due to the presence of `--replication-tables-ignore`, we will register it as a non-replicated relation on the controller. We will then later try to drop the base table, but will instead only drop the non-replicated relation registration, leaving the base table around. Additionally, if the table was only partially snapshotted, we could later error when trying to retrieve its replication offset after snapshotting has supposedly finished (but we've haven't been replicating that table). With this change, we drop leftover tables before registering non-replicated relations, so that attempting to drop the base table actually does so. Fixes: REA-3770 Change-Id: Ie98eccd888f3c250d18b72a799d0dcfb5622a872 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7472 Tested-by: Buildkite CI Reviewed-by: Ethan Donowitz <[email protected]>
The MySQL min and max positions can be far apart. This happens on unbalance workloads, where for example one of the tables do not receive updates for a long period of time, like a config table that might be static. This causes the MySQL min position to fall behind the max position, in case of a restart, the replicator has to catch up starting from the min position. This causes a lot on unnecessary data to be re-streamed. Currently we only update the min position when MySQL rotates the binary log and we receive a EventType::ROTATE_EVENT. Adjusting the position on all tables might be costly if the installation has a lot of tables. This commit adjust the replicator to adjust table position on a fixed interval. This interval is hardcoded to 10 seconds. The event we act on is either the EventType::QueryEvent when we receive a "COMMIT" query, or the EventType::XidEvent. They are virtually the same thing (a commit), but depending on the storage engine MySQL reports a query COMMIT or an XID event. We also report the position once we have finished the initial catch up phase. Ref: REA-4326 Closes: #1223 Release-Note-Core: Adjusted MySQL replicator to report table position on a fixed interval(10 seconds). This makes the replicator to keep distance short between min and max positions. This is useful when Readyset restart, ensuring that we do not have to re-stream a lot of binary logs to catch up. Change-Id: I6dfaf523b8851597a6a0fd97f4d4627ca2f4ea80 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7363 Tested-by: Buildkite CI Reviewed-by: Ethan Donowitz <[email protected]>
Since MySQL binlogs `TRUNCATE` as a statement (`QUERY_EVENT`), but it's not DDL and doesn't have a corresponding recipe `Change`, we were just ignoring it. Now the MySQL replicator parses it, emitting the `TableOperation::Truncate` we had already added for Postgres. Fixes: REA-4325 Closes: #1221 Release-Note-Core: Added support for `TRUNCATE TABLE` statements for MySQL. Change-Id: Ia40551e40fa70598973587f5b26e8662419e9853 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7488 Tested-by: Buildkite CI Reviewed-by: Marcelo Altmann <[email protected]>
Similar to how we split up the postgres logictests, split up the mysql logictests into numbered subfolders so we can run them in parallel to reduce build times. Change-Id: I4bb088b00f2f1e6f43c7791f9517d63e27c93a22 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7477 Reviewed-by: Michael Zink <[email protected]> Tested-by: Buildkite CI
Now that `8c9bc345a6a42f071bf1b621047f840eb9b31379` is committed, most of the logictests that were under the `out-of-scope/ENG-629` directory can be moved out so they execute with everything else. There are still some failing tests, but those are almost all related to `DISTINCT`, which isn't supported for where in and aggregates. Change-Id: I181694eacf94a3cc04c46e5d8a16e479004ac361 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7478 Tested-by: Buildkite CI Reviewed-by: Ethan Donowitz <[email protected]> Reviewed-by: Michael Zink <[email protected]>
Lifts most of the restriction of `ff819dc0d9cede2af458e17a30830f2a1e843821`, which prevented WHERE IN and aggregates from being generated for the same query. After `8c9bc345a6a42f071bf1b621047f840eb9b31379`, we can generate most aggregations alongside `IN` clauses, but we still need to disallow `DISTINCT`, either as a plain modifier on a column or as a modifier on certain aggregation function (`sum`, `count`). Change-Id: I76ac3573d864e39a8d3b91a6155fc32914332dce Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7479 Tested-by: Buildkite CI Reviewed-by: Ethan Donowitz <[email protected]>
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Previously, the views synchronizer only checked the server for views for queries that were in the "pending" state. This meant that if the migration handler set a query's state to "dry run succeeded" before the views synchronizer had a chance to check the server for a view, the query would be stuck in the "dry run succeeded" state forever, even if a view for the query did indeed exist already. This commit fixes the issue by having the views synchronizer check the server for views for queries in *either* the "pending" or "dry run succeeded" states. In order to prevent the views synchronizer from rechecking every query with status "dry run succeeded" over and over again, a "cache" has been added to the views synchronizer to keep track of which queries have already been checked. While working on this, I also noticed that it was possible for the following sequence of events to occur: - Migration handler sees that a query is pending and kicks off a dry run migration - Views synchronizer finds a view on the server for the same query and sets the status to "successful" - Migration handler finishes the dry run migration for the query and overwrites the status as "dry run succeeded" This could lead to a situation where a query that was previously (correctly) labeled as "successful" is moved back to the "dry run succeeded" state. To fix the issue, this commit updates the migration handler to only write the "dry run succeeded" status if the query's status is still "pending" after the dry run is completed. Release-Note-Core: Fixed a bug where queries that already had caches were sometimes stuck in the `SHOW PROXIED QUERIES` list Change-Id: Ie5faa100158fc80c906d8ad5cb897d8a02a07be9 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7442 Tested-by: Buildkite CI Reviewed-by: Jason Brown <[email protected]>
This reverts commit bde05974330a69526f06f1fbcafab925064cd659. Change-Id: I56b71ed96e508ac617579ca1d0e181a1387671f1 Reviewed-on: https://gerrit.readyset.name/c/readyset/+/7396 Tested-by: Buildkite CI Reviewed-by: Jason Brown <[email protected]>
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This reverts commit bde05974330a69526f06f1fbcafab925064cd659.