924060929 opened a new pull request, #31339:
URL: https://github.com/apache/doris/pull/31339
## Proposed changes
show process time when execute `explain plan xxx` by nereids
example:
```
mysql> explain plan select * from tt;
+---------------------------------------------------------------------------------------------------------------+
| Explain String(Nereids Planner)
|
+---------------------------------------------------------------------------------------------------------------+
| ========== PARSED PLAN (time: 7 ms) ==========
|
| UnboundResultSink[3] ( )
|
| +--LogicalProject[2] ( distinct=false, projects=[*], excepts=[] )
|
| +--LogicalCheckPolicy ( )
|
| +--UnboundRelation ( id=RelationId#0, nameParts=tt )
|
|
|
| ========== ANALYZED PLAN (time: 10 ms) ==========
|
| LogicalResultSink[11] ( outputExprs=[id#0, name#1] )
|
| +--LogicalProject[9] ( distinct=false, projects=[id#0, name#1], excepts=[]
) |
| +--LogicalOlapScan ( qualified=test.tt, indexName=<index_not_selected>,
selectedIndexId=10361, preAgg=ON ) |
|
|
| ========== REWRITTEN PLAN (time: 3 ms) ==========
|
| LogicalResultSink[22] ( outputExprs=[id#0, name#1] )
|
| +--LogicalOlapScan ( qualified=test.tt, indexName=tt,
selectedIndexId=10361, preAgg=ON ) |
|
|
| ========== OPTIMIZED PLAN (time: 4 ms) ==========
|
| PhysicalResultSink[53] ( outputExprs=[id#0, name#1] )
|
| +--PhysicalDistribute[50]@0 ( stats=2,
distributionSpec=DistributionSpecGather ) |
| +--PhysicalOlapScan[tt]@0 ( stats=2 )
|
+---------------------------------------------------------------------------------------------------------------+
19 rows in set (0.03 sec)
```
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