iajoiner opened a new issue, #5876:
URL: https://github.com/apache/arrow-rs/issues/5876
**Describe the bug**
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A clear and concise description of what the bug is.
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Casting a `StringArray` to `Decimal256Array` with 0 doesn't work if the
decimal type is (1, 0) or (2, 0)
**To Reproduce**
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Steps to reproduce the behavior:
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```rust
use arrow::array::{Array, Decimal256Array, StringArray};
use arrow::compute::{cast_with_options, CastOptions};
use arrow::datatypes::{DataType, Field, Schema};
use arrow::record_batch::RecordBatch;
use arrow::util::display::FormatOptions;
use std::sync::Arc;
fn main() {
// Create a StringArray with "0" as the only element
let string_values = vec![Some("0")];
let string_array = StringArray::from(string_values);
// Define the schema for the record batch
let schema = Arc::new(Schema::new(vec![Field::new("string",
DataType::Utf8, false)]));
// Create a record batch
let record_batch = RecordBatch::try_new(schema,
vec![Arc::new(string_array)]).unwrap();
// Define the target type (Decimal256 with precision and scale)
let decimal_type = DataType::Decimal256(1, 0);
// Cast the StringArray to Decimal256Array
let casted_array = cast_with_options(&record_batch.column(0),
&decimal_type, &CastOptions {
safe: false,
format_options: FormatOptions::new(),
},).unwrap();
// Downcast the casted array to Decimal256Array
let decimal_array = casted_array
.as_any()
.downcast_ref::<Decimal256Array>()
.unwrap();
// Print the result
for i in 0..decimal_array.len() {
println!("{}", decimal_array.value(i));
}
}
```
**Expected behavior**
<!--
A clear and concise description of what you expected to happen.
-->
0
**Additional context**
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Add any other context about the problem here.
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