[To dev/1.3] Enable show queries to be executed immediately when the available memory in the memoryPool is insufficient

[Wei-hao-Li]

cp #17507

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

❌ Patch coverage is 82.85714% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.58%. Comparing base (9cadc71) to head (50b2421).
⚠️ Report is 3 commits behind head on dev/1.3.

Files with missing lines	Patch %	Lines
.../db/queryengine/plan/execution/QueryExecution.java	0.00%	5 Missing ⚠️
...e/iotdb/db/queryengine/common/MPPQueryContext.java	25.00%	3 Missing ⚠️
...engine/execution/exchange/source/SourceHandle.java	93.10%	2 Missing ⚠️
...ne/execution/fragment/FragmentInstanceContext.java	50.00%	2 Missing ⚠️
...ne/execution/fragment/FragmentInstanceManager.java	0.00%	2 Missing ⚠️
...ueryengine/plan/planner/OperatorTreeGenerator.java	50.00%	2 Missing ⚠️
...ine/execution/exchange/MPPDataExchangeManager.java	80.00%	1 Missing ⚠️
...he/iotdb/db/queryengine/plan/analyze/Analysis.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@## dev/1.3 #17529 +/- ##
===========================================
Coverage 41.57% 41.58% Complexity 227 227 ===========================================
Files 3597 3597 Lines 236931 237040 +109 Branches 28675 28686 +11 ===========================================
+ Hits 98512 98568 +56 - Misses 138419 138472 +53 

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