branch-3.1: [Feature](partial update) Support flexible partial update in stream load with json files #39756 #52757
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…oad with json files (apache#39756) This PR add the ability to update different columns for each row in one stream load Doc: apache/doris-website#1140 ```sql MySQL root@127.1:d1> CREATE TABLE t1 ( -> `k` int(11) NULL, -> `v1` BIGINT NULL, -> `v2` BIGINT NULL DEFAULT "9876", -> `v3` BIGINT NOT NULL, -> `v4` BIGINT NOT NULL DEFAULT "1234", -> `v5` BIGINT NULL -> ) UNIQUE KEY(`k`) DISTRIBUTED BY HASH(`k`) BUCKETS 1 -> PROPERTIES( -> "replication_num" = "1", -> "enable_unique_key_merge_on_write" = "true"); Query OK, 0 rows affected Time: 0.013s MySQL root@127.1:d1> insert into t1 select number, number, number, number, number, number from numbers("number" = "6"); Query OK, 6 rows affected Time: 0.107s MySQL root@127.1:d1> select * from t1; +---+----+----+----+----+----+ | k | v1 | v2 | v3 | v4 | v5 | +---+----+----+----+----+----+ | 0 | 0 | 0 | 0 | 0 | 0 | | 1 | 1 | 1 | 1 | 1 | 1 | | 2 | 2 | 2 | 2 | 2 | 2 | | 3 | 3 | 3 | 3 | 3 | 3 | | 4 | 4 | 4 | 4 | 4 | 4 | | 5 | 5 | 5 | 5 | 5 | 5 | +---+----+----+----+----+----+ ``` test1.json: ```json {"k": 1, "v1": 10} {"k": 2, "v2": 20, "v5": 25} {"k": 3, "v3": 30} {"k": 4, "v4": 20, "v1": 43, "v3": 99} {"k": 5, "v5": null} {"k": 6, "v1": 999, "v3": 777} {"k": 2, "v4": 222} {"k": 1, "v2": 111, "v3": 111} ``` ```bash curl --location-trusted -u root: \ -H "strict_mode:false" \ -H "format:json" \ -H "read_json_by_line:true" \ -H "unique_key_update_mode:UPDATE_FLEXIBLE_COLUMNS" \ -T test1.json \ -XPUT http://<host>:<http_port>/api/d1/t1/_stream_load ``` ```sql MySQL root@127.1:d1> select * from t1; +---+-----+------+-----+------+--------+ | k | v1 | v2 | v3 | v4 | v5 | +---+-----+------+-----+------+--------+ | 0 | 0 | 0 | 0 | 0 | 0 | | 1 | 10 | 111 | 111 | 1 | 1 | | 2 | 2 | 20 | 2 | 222 | 25 | | 3 | 3 | 3 | 30 | 3 | 3 | | 4 | 43 | 4 | 99 | 20 | 4 | | 5 | 5 | 5 | 5 | 5 | <null> | | 6 | 999 | 9876 | 777 | 1234 | <null> | +---+-----+------+-----+------+--------+ ```
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TPC-H: Total hot run time: 40191 ms |
TPC-DS: Total hot run time: 190431 ms |
ClickBench: Total hot run time: 29.45 s |
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morrySnow
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Jul 8, 2025
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pick #39756