We are switching to Github Actions. In the test period it has worked well enough, so now we can stop using CircleCI.
(cherry picked from commit ce58c04304)
Making tasks in CI required before merging to master is important and
useful. The way this works is by saving the exact names of the required
tasks in the admin interface of the repo. It has a search box to add
them so it's not completely horrible, but doing so is quite a hassle
since we have so many jobs. So limiting the amount of churn in this list
of required jobs is quite useful.
This changes the names of tasks to only include the major versions of
Postgres, not the minor ones. Otherwise the next time we bump the minor
versions we would have to remove and re-add each of the jobs.
(cherry picked from commit 83e3fb817d)
Since GHA does not interpolate env variables in a matrix context, This
PR defines them in a separate job and uses them in other jobs.
(cherry picked from commit 2bf1472c8e)
This config is used to generate components on ADO(Azure devops).
Currently this might not be super useful because we don't really use ADO
but when run, we can see the warnings/issues with components that we
use. A component is like a dependency basically.
(cherry picked from commit 7c11aa124b)
In short, add wrappers around Postgres' AddWaitEventToSet() and
ModifyWaitEvent().
AddWaitEventToSet()/ModifyWaitEvent*() may throw hard errors. For
example, when the underlying socket for a connection is closed by
the remote server and already reflected by the OS, however
Citus hasn't had a chance to get this information. In that case,
if replication factor is >1, Citus can failover to other nodes
for executing the query. Even if replication factor = 1, Citus
can give much nicer errors.
So CitusAddWaitEventSetToSet()/CitusModifyWaitEvent() simply puts
AddWaitEventToSet()/ModifyWaitEvent() into a PG_TRY/PG_CATCH block
in order to catch any hard errors, and returns this information to
the caller.
With this commit, we remove visited flags from ForeignConstraintRelationshipNode
struct since keeping local state in global object is both dangerous and
meaningless.
Also to improve readability, this commit also converts needless recursion to
iterative DFS to avoid passing local hash-map as another parameter to
GetConnectedListHelper function.
(cherry picked from commit 0db21bbe14)
This happens only when we have a "<" or "<=" filter on distribution
column of a range distributed table and that filter falls in between
two shards.
When the filter falls in between two shards:
If the filter is ">" or ">=", then UpperShardBoundary was
returning "upperBoundIndex - 1", where upperBoundIndex is
exclusive shard index used during binary seach.
This is expected since upperBoundIndex is an exclusive
index.
If the filter is "<" or "<=", then LowerShardBoundary was
returning "lowerBoundIndex + 1", where lowerBoundIndex is
inclusive shard index used during binary seach.
On the other hand, since lowerBoundIndex is an inclusive
index, we should just return lowerBoundIndex instead of
doing "+ 1". Before this commit, we were missing leftmost
shard in such queries.
* Remove useless conditional branches
The branch that we delete from UpperShardBoundary was obviously useless.
The other one in LowerShardBoundary became useless after we remove "+ 1"
from there.
This indeed is another proof of what & how we are fixing with this pr.
* Improve comments and add more
* Add some tests for upper bound calculation too
(cherry picked from commit b118d4188e)
* Also fix a debug message diff for 9.4
/*
* Colocated intermediate results are just files and not required to use
* the same connections with their co-located shards. So, we are free to
* use any connection we can get.
*
* Also, the current connection re-use logic does not know how to handle
* intermediate results as the intermediate results always truncates the
* existing files. That's why, we use one connection per intermediate
* result.
*/
(cherry picked from commit 5d5a357487)
It looks like we forgot to set the placement accesses, and
this could lead to self-deadlocks on complex transaction blocks.
(cherry picked from commit 36bdeef1bb)
If MemoryContextAlloc errors out -e.g. during an OOM-, ConnectionHashEntry->connections
stays as NULL.
With this commit, we add isValid flag to ConnectionHashEntry that should be set to true
right after we allocate & initialize ConnectionHashEntry->connections list properly, and we
check it before accesing to ConnectionHashEntry->connections.
(cherry picked from commit 7f3d1182ed)
Conflicts:
src/backend/distributed/connection/connection_management.c
It seems that we forgot to pass the revelant
flag to enable Postgres' parallel query
capabilities on the shards when user does
EXPLAIN ANALYZE on a distributed table.
(cherry picked from commit b0ddbbd33a)
Conflicts:
src/backend/distributed/planner/multi_explain.c
Before this commit, we let AdaptiveExecutorPreExecutorRun()
to be effective multiple times on every FETCH on cursors.
That does not affect the correctness of the query results,
but adds significant overhead.
(cherry picked from commit c433c66f2b)
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