native/spark-expr/src/error.rs

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// Re-export all error types from the common crate
pub use datafusion_comet_common::{
    decimal_overflow_error, SparkError, SparkErrorWithContext, SparkResult,
};

use arrow::error::ArrowError;
use datafusion::common::DataFusionError;

/// Arrow's `try_*` kernels require closure errors to be `ArrowError`, so a `SparkError`
/// travels through `ExternalError`. Unwrap it again so JNI sees the direct `SparkError`.
pub(crate) fn unwrap_arrow_external_error(error: ArrowError) -> DataFusionError {
    match error {
        ArrowError::ExternalError(error) => DataFusionError::External(error),
        error => error.into(),
    }
}