HappenLee opened a new pull request, #9772:
URL: https://github.com/apache/incubator-doris/pull/9772
# Proposed changes
Issue Number: close #xxx
## Problem Summary:
Reduce unless virtual function call and switch case to improve load
performance of stream load.
#### 1. Test table:
```
CREATE TABLE `test1` (
`id` int(11) NOT NULL COMMENT "",
`k1` varchar(32) NOT NULL COMMENT "",
`k2` varchar(128) NOT NULL COMMENT "",
`m` decimal(10, 3) NULL DEFAULT "10.5" COMMENT "",
`d` date NULL DEFAULT "2014-02-04" COMMENT "",
`e` datetime NULL DEFAULT "2014-02-04 15:36:00" COMMENT "",
`f` boolean NOT NULL COMMENT "",
INDEX index_id (`id`) USING BITMAP COMMENT ''
) ENGINE=OLAP
DUPLICATE KEY(`id`, `k1`)
COMMENT "OLAP"
DISTRIBUTED BY HASH(`id`) BUCKETS 16
PROPERTIES (
"replication_allocation" = "tag.location.default: 1",
"in_memory" = "false",
"storage_format" = "V2"
)
```
#### 2. Test data (1kw)
```
10000,VOtWRdM0vqgMRD4g,QuSHANt7mA0hcsE8O6ggzOMOSLWtmfDs,99.6441922075,1982-11-10,1982-11-10
02:57:53,1
9999,82N10yffLWGu6WM9,zDm0ekBEoYyfFfGGovRgp2hySHw3r31Y,3.9179255308,1992-06-13,1992-06-13
21:54:32,1
9998,To1UUHYi5uy0m0g7,HGihOdi9OyH5LawdgbcgOsGxTaH0du1H,24.4223120552,2007-04-01,2007-04-01
05:15:26,0
9997,zGaXQadwfnchbvhc,XtkA3KuKgK0BuGQONGx4mkZnbm54grSP,47.5443607568,2010-04-26,2010-04-26
03:54:28,0
```
##### 3. opt resutl
| origin | opt |
| ---- | ---- |
| 25s | 19s |
## Checklist(Required)
1. Does it affect the original behavior: (No/)
2. Has unit tests been added: (No Need)
3. Has document been added or modified: (No Need)
4. Does it need to update dependencies: (No)
5. Are there any changes that cannot be rolled back: (Yes)
## 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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