alamb commented on a change in pull request #414:
URL: https://github.com/apache/arrow-rs/pull/414#discussion_r650956897
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File path: arrow/src/array/array_binary.rs
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@@ -613,6 +613,30 @@ impl Array for FixedSizeBinaryArray {
}
/// A type of `DecimalArray` whose elements are binaries.
+///
+/// # Examples
+///
+/// ```
+/// use arrow::array::{Array, DecimalArray, DecimalBuilder};
+/// use arrow::datatypes::DataType;
+/// let mut builder = DecimalBuilder::new(30, 23, 6);
+///
+/// builder.append_value(8_887_000_000).unwrap();
+/// builder.append_null().unwrap();
+/// builder.append_value(-8_887_000_000).unwrap();
+/// let decimal_array: DecimalArray = builder.finish();
+///
+/// assert_eq!(&DataType::Decimal(23, 6), decimal_array.data_type());
+/// assert_eq!(8_887_000_000, decimal_array.value(0));
+/// assert_eq!("8887.000000", decimal_array.value_as_string(0));
Review comment:
❤️
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