Commits on Jul 5, 2024

1. Fix compatibility with ClickHouse without allow_experimental_analyzer=1 …

   ClickHouse without allow_experimental_analyzer returns name of the
   subquery with the key when you have > 2 subqueries (odd):
   
   This is for 21.2:
   
       select a.*, b.*, c.* from (select * from system.one) as a, (select dummy as x from system.one) as b, (select dummy as y from system.one) as c
       ┌─a.dummy─┬─b.x─┬─c.y─┐
       │       0 │   0 │   0 │
       └─────────┴─────┴─────┘
   
       select a.*, b.* from (select * from system.one) as a, (select dummy as x from system.one) as b
       ┌─dummy─┬─x─┐
       │     0 │ 0 │
       └───────┴───┘
   
   24.7 upstream:
   
       select a.*, b.*, c.* from (select * from system.one) as a, (select dummy as x from system.one) as b, (select dummy as y from system.one) as c
       ┌─a.dummy─┬─b.x─┬─c.y─┐
       │       0 │   0 │   0 │
       └─────────┴─────┴─────┘
   
       select a.*, b.*, c.* from (select * from system.one) as a, (select dummy as x from system.one) as b, (select dummy as y from system.one) as c settings allow_experimental_analyzer=0
       ┌─a.dummy─┬─b.x─┬─c.y─┐
       │       0 │   0 │   0 │
       └─────────┴─────┴─────┘
   
   Fixes: 5e0d54b ("Add Inserted/Selected rows into summary")

   

   azat committed Jul 5, 2024
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