weizhengte opened a new pull request, #12765:
URL: https://github.com/apache/doris/pull/12765
# Proposed changes
This pull request includes some implementations of the statistics(#6370), it
Implement sql-task to collect statistics based on internal-query(#9983).
After the `ANALYZE` statement is parsed, statistical tasks will be
generated. The statistical tasks includes mata-task(get statistics from
metadata) and sql-task(get statistics by sql query). For sql-task, it will get
statistics such as the row_count, the number of null values, and the maximum
value by SQL query.
Issue Number: close #xxx
## Problem summary
Describe your 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 (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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