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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/08/20 02:06:03 UTC
[GitHub] [arrow-rs] zijie0 opened a new issue #701: Support reading json string into binary data type.
zijie0 opened a new issue #701:
URL: https://github.com/apache/arrow-rs/issues/701
**Describe the bug**
When decoding json string into binary data type, arrow-rs will return `JsonError("Binary type is not supported")`.
**To Reproduce**
Running the following test could reproduce the error.
```
#[test]
fn test_json_read_binary_structs() {
let schema = Schema::new(vec![Field::new("c1", DataType::Binary, true)]);
let decoder = Decoder::new(Arc::new(schema), 1024, None);
let batch = decoder
.next_batch(
&mut vec![
Ok(serde_json::json!({
"c1": "₁₂₃",
})),
Ok(serde_json::json!({
"c1": "foo",
})),
]
.into_iter(),
)
.unwrap()
.unwrap();
let data = batch.columns().iter().collect::<Vec<_>>();
let schema = Schema::new(vec![Field::new("c1", DataType::Binary, true)]);
let binary_values = BinaryArray::from(vec![
"\u{2081}\u{2082}\u{2083}".as_bytes(),
"foo".as_bytes(),
]);
let expected_batch =
RecordBatch::try_new(Arc::new(schema), vec![Arc::new(binary_values)])
.unwrap();
let expected_data = expected_batch.columns().iter().collect::<Vec<_>>();
assert_eq!(data, expected_data);
assert_eq!(batch.num_columns(), 1);
assert_eq!(batch.num_rows(), 2);
}
```
**Expected behavior**
The above test should pass.
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[GitHub] [arrow-rs] alamb closed issue #701: Support reading json string into binary data type.
Posted by GitBox <gi...@apache.org>.
alamb closed issue #701:
URL: https://github.com/apache/arrow-rs/issues/701
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