[FixBug] Fix lose of meta data bug after alter routine load (StarRock…

…s#6937) (StarRocks#6971)

When routine load serializes the load properties(columns/rows separator, column list, partitions, where filter), it stores the sql statement, and get the load properties by parsing the sql for deserialization. But after alter routine load is done, it will only keep the alter statement, this will cause the loss of metadata. We should merge the alter sql with the origin create sql to retain all load properties.

[Bug] Fix deadlock when routine load job aborted when transaction bet…

…ween beforeStateTransform and afterStateTransform (StarRocks#6969)

[Bugfix][Branch-2.2]Fix support show schemas (StarRocks#6788)

we should support show schemas.

[Enhancement] Reduce header_lock time in PrimaryKey Table (StarRocks#…

…6424)

In the gc process of primaryKey table, scanning RocksDB may take a lot of time, which will lead to long time to hold header_lock, reduce the holding time of header_lock

[cherry-pick][branch-2.1] fix if no segments, just return ok. (StarRo…

…cks#6427)

[Enhancement] Do rocksdb compact before data dir load. (StarRocks#5076)…

… (StarRocks#6422)

Do rocksdb compact before data dir load

[FixBUG] Hive auto sync meta cache remove skip rule when process Alte…

…rPartitionEvent (StarRocks#6302) (StarRocks#6307)

remove skip rule on alter_table event

[Bugfix] Fix primary index and pending rowset inconsistency when doin…

…g tablet schemachange

Update mysql/es external table output row count (StarRocks#5152) (Sta…

…rRocks#5818)

[branch-2.1][cherry-pick] use decimal128 instead decimal64 for aggr s…

…um (StarRocks#3944) (StarRocks#5626)