File writer preserve dict bug #6711
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alamb
approved these changes
Nov 15, 2024
| @@ -1702,6 +1702,41 @@ mod tests { | |||
| assert_eq!(batch, roundtrip_ipc(&batch)); | |||
| } | |||
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| #[test] | |||
| fn test_roundtrip_nested_dict_no_preserve_dict_id() { | |||
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I verified that this test covers the bugfix by reverting the code changes and running the tests:
called `Result::unwrap()` on an `Err` value: InvalidArgumentError("dictionary id 0 not found in schema")
thread 'reader::tests::test_roundtrip_nested_dict_no_preserve_dict_id' panicked at arrow-ipc/src/reader.rs:1735:79:
called `Result::unwrap()` on an `Err` value: InvalidArgumentError("dictionary id 0 not found in schema")
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Which issue does this PR close?
Closes #6710
Rationale for this change
See issue.
What changes are included in this PR?
Fix writing of IPC files where dict IDs are not preserved.
Are there any user-facing changes?
No user-facing changes, only a bug fix.
@tustvold @alamb