englefly opened a new pull request, #68213:
URL: https://github.com/apache/doris/pull/68213

   Cherry-pick of #56802 to branch-4.2
   
   [feat](nereids) add table alias for catalog relation
   
   The alias is threaded through branch-4.2's constructors, which carry extra
   parameters that master does not have (cachedSlots / relationSchema /
   relationSnapshot / partitionPrunablePredicates / scoreLimit / scoreRangeInfo 
/
   annOrderKeys / annLimit); those are preserved and `tableAlias` is appended 
last.
   PhysicalOlapScan keeps branch-4.2's `PhysicalOlapScan[<id>] table=...` title 
and adds
   `alias=...` as upstream does.
   
   Expected-output baselines: the plan strings now contain `alias=...`; the 
shape_check
   tpcds/tpch suites touched by this PR were verified against the branch-4.2 
cluster and
   the few that still lacked the alias were regenerated with -forceGenOut.
   
   Tests: RewriteTopDownJobTest passes; shape_check tpcds_sf100 (112 suites),
   tpcds_sf1000 (53), tpcds_sf10t_orc (26), tpch_sf1000 (14) and 14 
nereids_rules_p0
   suites + query_p0/join pass with 0 failures.
   


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