when enable_nereids_planner=false and enable_fallback_to_origin=false, FE throws exception for all select statement.
Expected: when enable_nereids_planner=false, all valid query execution success
1.
In the "explain" result of SQL, the table name in `ScanNode` should be full qualified with dbname.
And for olap scan node, the selected index name should not be "null".
2.
Remove `tpch_sf1_p1/tpch_sf1/nereids/` in regression test, it will be fixed later.
PR(https://github.com/apache/doris/pull/13404) introduced that ParquetReader
will break up batch insertion when encountering null values, which leads to the bad performance
compared to OrcReader.
So this PR has pushed null map into decode function, reduce the time of virtual function call
when encountering null values.
Further more, reuse hdfsFS among file readers to reduce the time of building connection to hdfs.
Support delete from partitioned table without partition specified in [DELETE] stmt.
## Usage
If it is a partitioned table, you can specify a partition.
If not specified, Doris will infer partition from the given conditions.
In two cases, Doris cannot infer the partition from conditions:
1) the conditions do not contain partition columns;
2) The operator of the partition column is `not in`.
When a partition table does not specify the partition,
or the partition cannot be inferred from the conditions,
the session variable `delete_without_partition` needs to be `true`
to make delete statement be applied to all partitions.
## Test case
Test case is added in `regression-test/suites/delete_p0/test_delete_from_partition.groovy`,
user can delete from partitioned table without partition specified now.
When running regression test, we always found that the query return empty result after loading finished,
even if we call "sync" before the query.
This is because for `stream load`, the load task result will be returned immediately after the txn's status changed to VISIBLE,
but before writing the edit log.
So if we do the query right after we got the load task result, it is possible that we can not see the latest loaded data.
Same issue with `insert` operation
Issue Number: close#12574
This pr adds `NewJsonReader` which implements GenericReader interface to support read json format file.
TODO:
1. modify `_scann_eof` later.
2. Rename `NewJsonReader` to `JsonReader` when `JsonReader` is deleted.
The index for external table columns from path is incorrect in new scanner. This is a fix for it.
e.g. In the next query, nation and city columns are from path
```
mysql> select nation, city, count(*) from parquet_two_part group by nation, city;
+--------+------------+----------+
| nation | city | count(*) |
+--------+------------+----------+
| cn | beijing | 1199969 |
| cn | shanghai | 1199771 |
| jp | tokyo | 599715 |
| rus | moscow | 600659 |
| us | chicago | 1199805 |
| us | washington | 1201296 |
+--------+------------+----------+
6 rows in set (0.39 sec)
```
This PR unified the selection of rollup index and materialized view index into uniform logic, which is called selecting materialized index.
Main steps:
### Find candidate indexes
1. When aggregate is present, it's handled in `SelectMaterializedIndexWithAggregate`. The base index and indexes that could use pre-aggregation should be used. The pre-aggregation status is determined by aggregation function, grouping expression, and pushdown predicates.
2. When aggregate is not on top of scan node, it's handled in `SelectMaterializedIndexWithoutAggregate`. The base index and indexes that have all the key columns could be used.
### Filter and order the candidate indexes
1. filter indexes that contain all the required output scan columns.
2. filter indexes that could match prefix index most.
3. order the result index by row count, column count, and index id.
