- set inline view's slot descriptor to nullable in register column ref
- propagate slot nullable when generate inline view's query node in SingleNodePlanner
This CL mainly changes:
1. Reducing the rpc timeout problem caused by rpc waiting for the worker thread of brpc.
1. Merge multiple fragment instances on the same BE to send requests to reduce the number of send fragment rpcs
2. If fragments size >= 3, use 2 phase RPC: one is to send all fragments, two is to start these fragments. So that there
will be at most 2 RPC for each query on one BE.
3. Set the timeout of send fragment rpc to the query timeout to ensure the consistency of users' expectation of query timeout period.
4. Do not close the connection anymore when rpc timeout occurs.
5. Change some log level from info to debug to simplify the fe.log content.
NOTICE:
1. Change the definition of execPlanFragment rpc, must first upgrade BE.
3. Remove FE config `remote_fragment_exec_timeout_ms`
* add string sql functions test case
* add like and regexp function case vectorized true
* Cancellation of Chinese language Test
* Cancel the Chinese test for the second time
As in issue, the combination and schema change at the same time may lead to version intersection.
Describe the overview of changes.
1. Do not do compaction before schema change is actually executed.
2. Set tablet as bad when it has version intersection.
3. Do not do schema change when it can not find appropriate versions to delete in new tablet.
4. Do not change rowsets after compaction if the rowsets of the tablet has changed.
1. Convert child expressions in InPredicate to column type and discard child expressions in them that cannot be converted exactly.
2. Fix the bug of ColumnRange exception caused by InPredicate child expressions type conversion.
3. Fix the problem that the tablet could not be hit due caused by InPredicate child expressions type conversion.
Issue Number: close#9627 , #9628
This PR introduce two essentials for Nereids
1. pattern match iterator used in memo
pattern match iterator is implemented by two iterators nested within each other: GroupExpressionIterator and GroupIterator.
GroupExpressionIterator use GroupIterator to get all children Plan which matching pattern and use them as children to generate pattern matched plan.
GroupIterator use GroupExpressionIterator to get all pattern matched Plan related to GroupExpressions in itself.
2. plan rewrite framework for memo
Rewrite framework is implemented by two jobs: RewriteTopDownJob and RewriteBottomUpJob
Both of them takes a group, a set of rules that need to be applied, and a context as construction parameters.
RewriteTopDownJob apply these jobs from top to down one by one.
RewriteBottomUpJob apply these jobs from bottom to up one by one.
When one rule rewrites plan tree at a plan node. This plan node will be applied all rules again until no rules can rewrite it.
* Modify export example in en and zh-cn doc.
* Add datetime function test for regression test.
* Add some invalid date to convert_tz
Co-authored-by: smallhibiscus <844981280>
* handle ColumnDictory in evaluate_or
We need to handle ComlumnDictory in evaluate_or, otherwise delete handler
would triger a core dump.
* handle ComlumnDictionary in evaluate_and
Because there is only one difference between evaluate_and and
evaluate_or, that is or and delete, I merge two macros into one.
Delete handlers also trigger evaluate_and, i am not sure if column
dictionary would be used in evaluate_and.
* clang format
* fix short circut for evaluate_and and evaluate_or
* clang format
