1. Allow set cpu_resource_limit
-1 means unlimited
2. Drop replica not in valid tag
Otherwise, the migration task from a resource group to another may never finish.
1. fix core dump when using multi explode_bitmap #7716
2. fix bug that json array extract by json path is wrong #7717
3. fix bug that after lateral view, the null value become non-null value #7718
4. fix bug that lateral view may return error: couldn't resolve slot descriptor 1. #7719
5. fix error result when using lateral view with where predicate #7720
Support general hints.
Sql example：
```sql
SELECT /*+ one_hint(1000000) another_hint(k = "v")*/ 1;
```
hints syntax is:
```
/*+ [ HINT_NAME( [ key [ =value ]? ]* ) ]+ */
```
- support multi hints, sep with space
- hint name could be any string in identifier format
- hint could have zero or more parameters, sep with comma
- hint parameter must have one key
- hint parameter could have zero or one value
- hint parameter‘s key and value connected by equal sign
* 1.Remove import doris via csv in Dataxwriter, only support via json;
2.Format Dataxwriter code;
3.Optimize exception handling and reduce multiple output of exception logs;
4.Update the dataxwriter's documentation;
* Delete DorisCsvCodec.java
delete unused file extension/DataX/doriswriter/src/main/java/com/alibaba/datax/plugin/writer/doriswriter/DorisCsvCodec.java
* 1.remove `format` config key;
2.Optimize serialization code in DorisJsonCodec class
When I use dev container feature in vscode, there is some config file that shouldn't be put in git.
So it's better to add config file into gitignore for convenience.
Support merge IN predicate when exist remote target(e.g. shuffle hash join).
Remote the code that IN predicate implicit conversion to Bloom filter then exist remote target.
Close related #7546
1. Consider the responsibility of Reader, Rename Reader to TabletReader, I think the new name TabletReader can represent its function exactly, it is more suitable and meaningful
2. add virtual keyword for the destructor of OlapScanner, because VOlapScanner is derived from it
3. refactor struct ReaderParams and KeysParam as TabletReader's inner struct，guard by TabletReader name scope, it's also more reasonable
4. reduce OlapScanner's member data amount, just use _parent->member_data is simpler
5. bugfix: TupleReader has the same memeber data _collect_iter to its parent class Reader, this usage is dangerous, the writer may make some mistake, so i delete TupleReader::_collect_iter to fix it.
6. call set_tablet_reader() in OlapScanner::prepare() to setup _tablet_reader, VOlapScanner should override set_tablet_reader to new BlockReader instead, use this way to avoid new Reader twice by reset unique_ptr _tablet_reader
7. if the member data is a inseparable part of a class, i suggest using normal variable while not pointer variable, because pointer bring a indirect lay and must handle coping and destructing carefully, it's not necessary
8. some other small changes for readability or design
If the load result set is empty, or the load data is all filtered by the `where` condition,
it will not return failed with msg `all partitions have no load data`, but will return success directly.
Refer to this issue #7528
When setting property `default_storage_medium=ssd` and `storage_cooldown_second=xxx` in `fe.conf`
`cooldownTime=System.currentTimeMillis()+ storage_cooldown_second` , not always `MAX_COOLDOWN_TIME_MS`
Add a new FE config `repair_slow_replica`
when this config is true, Doris will try to delete the replica
with the largest number of versions, and then rebalance the replica.
Usually, when the number of versions of a certain replica is much higher
then that of other replicas, there are some problems with the current be's compilation.
Migrating to other machines can typically solve this problem.
Add partitionNum, tabletNum, cardinality in SqlBlockRule to block large/slow sql.
1. set partitionNum, tabletNum, cardinality as limitations to block sqls
2. compatible with lower version
3. add unit tests
4. add docs
