Soham-Bhattacharjee-work commented on code in PR #21985:
URL: https://github.com/apache/datafusion/pull/21985#discussion_r3184463259


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docs/source/library-user-guide/upgrading/54.0.0.md:
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@@ -447,6 +447,109 @@ let config_decryption_properties = 
ConfigFileDecryptionProperties::try_from(&dec
 See [#21602](https://github.com/apache/datafusion/issues/21602) and
 [PR #21603](https://github.com/apache/datafusion/pull/21603) for details.
 
+### Conversion from `ConfigFileEncryptionProperties` / 
`ConfigFileDecryptionProperties` is now fallible
+
+Previously, `datafusion_common::config::ConfigFileEncryptionProperties` and
+`datafusion_common::config::ConfigFileDecryptionProperties` implemented 
infallible
+conversions into Parquet's encryption/decryption types:
+
+- `impl From<ConfigFileEncryptionProperties> for 
parquet::encryption::encrypt::FileEncryptionProperties`
+- `impl From<ConfigFileDecryptionProperties> for 
parquet::encryption::decrypt::FileDecryptionProperties`
+
+These conversions may need to decode hex-encoded keys and other configuration 
values, which can fail.
+They now use `TryFrom` and return a `Result`:
+
+- `impl TryFrom<ConfigFileEncryptionProperties> for FileEncryptionProperties`
+- `impl TryFrom<ConfigFileDecryptionProperties> for FileDecryptionProperties`
+
+**Migration guide:**
+
+Replace `from()` / `into()` with `try_from()` / `try_into()` and handle the 
resulting `Result`.
+
+**Before:**
+
+```rust,ignore

Review Comment:
   Done.



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