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Antalya 26.1, View over Iceberg table returns NULLs instead of values #1669

@ianton-ru

Description

@ianton-ru

Describe the bug
View over Iceberg table returns NULLs instead of values

To Reproduce

  1. Create Iceberg table with constant values in some file in some column (only single line for example)
  2. Create a view over this table
  3. Make select request with that column in where condition
    ClickHouse returns null for this column instead of correct value

Expected behavior
Correct result

Key information
Provide relevant runtime details.

  • Project Antalya 26.1 with setting allow_experimental_iceberg_read_optimization=1

Workaround: set allow_experimental_iceberg_read_optimization=0

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