cambyzju opened a new pull request #8584:
URL: https://github.com/apache/incubator-doris/pull/8584
… engine (#8217)
Usage Example:
1. create table for test;
`CREATE TABLE `array_test` (
`k1` tinyint(4) NOT NULL COMMENT "",
`k2` smallint(6) NULL COMMENT "",
`k3` ARRAY<int(11)> NULL COMMENT ""
) ENGINE=OLAP
DUPLICATE KEY(`k1`)
COMMENT "OLAP"
DISTRIBUTED BY HASH(`k1`) BUCKETS 5
PROPERTIES (
"replication_allocation" = "tag.location.default: 1",
"in_memory" = "false",
"storage_format" = "V2"
);`
2. insert some data
`insert into array_test values(1, 2, [1, 2]);`
`insert into array_test values(2, 3, null);`
`insert into array_test values(3, null, null);`
`insert into array_test values(4, null, []);`
3. open vectorized
`set enable_vectorized_engine=true;`
4. query array data
`select * from array_test;`
+------+------+--------+
| k1 | k2 | k3 |
+------+------+--------+
| 4 | NULL | [] |
| 2 | 3 | NULL |
| 1 | 2 | [1, 2] |
| 3 | NULL | NULL |
+------+------+--------+
4 rows in set (0.061 sec)
Code Changes include：
1. add column_array, data_type_array codes;
2. codes about data_type creation by Field, TabletColumn, TypeDescriptor,
PColumnMeta move to DataTypeFactory;
3. support create data_type for ARRAY date type;
4. RowBlockV2::convert_to_vec_block support ARRAY date type;
5. VMysqlResultWriter::append_block support ARRAY date type;
6. vectorized::Block serialize and deserialize support ARRAY date type;
# Proposed changes
Issue Number: close #xxx
## Problem Summary:
Describe the overview of changes.
## Checklist(Required)
1. Does it affect the original behavior: (Yes/No/I Don't know)
2. Has unit tests been added: (Yes/No/No Need)
3. Has document been added or modified: (Yes/No/No Need)
4. Does it need to update dependencies: (Yes/No)
5. Are there any changes that cannot be rolled back: (Yes/No)
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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