[v25.1.x] iceberg: fix compatibility for schemas with map type
#25669
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Some mild refactoring to make this test more flexible for adding future test cases. (cherry picked from commit a064515)
…_type` Keys are required per the iceberg spec: https://iceberg.apache.org/spec/#nested-types. Before this change, `redpanda` would fail to properly use schemas for tables created with a `map` in the schema, and would incorrectly try to evolve the schema due to the detected difference in `field_required`. After this fix, schemas with nested `map` types work as expected. (cherry picked from commit 72a4c17)
For use with `DatalakeE2ETests.test_avro_schema`. (cherry picked from commit 8d0f830)
WillemKauf
approved these changes
Apr 1, 2025
CI test resultstest results on build#64019
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Backport of PR #25668