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Issue Number: close #9241

association PR: #8947

Problem Summary:

The purpose of this function is to modify the derivation of the current statistics.
There are two modifications:

The statistical information derivation is removed from the Node node.
Modify the current way of obtaining cardinality, and change it to obtain it from statistical information.
For details on the modification method, see: https://shimo.im/docs/473QyOzWBjHMlZ3w
The implementation of this function is divided into multiple submissions, and this submission implements the derivation of scan_node statistics.

Checklist(Required)

  1. Does it affect the original behavior: (No)
  2. Has unit tests been added: (No)
  3. Has document been added or modified: (No)
  4. Does it need to update dependencies: (No)
  5. Are there any changes that cannot be rolled back: (No)

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

@github-actions github-actions bot added the area/planner Issues or PRs related to the query planner label Apr 27, 2022
@zhengshiJ zhengshiJ changed the title Statistic [feature](statistics) Statistics derivation.Step 1:ScanNode implement… Apr 27, 2022
@zhengshiJ zhengshiJ closed this Apr 28, 2022
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[Feature] Statistics derivation

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