Nick Rabinowitz created ARROW-12863:
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Summary: [JS] Field nullable value is overwritten
Key: ARROW-12863
URL: https://issues.apache.org/jira/browse/ARROW-12863
Project: Apache Arrow
Issue Type: Bug
Components: JavaScript
Affects Versions: 4.0.0
Reporter: Nick Rabinowitz
I cannot find a way to manually create a table with non-nullable fields in JS.
When I create the fields and pass them in via {{Table.new}} the value of
{{nullable}} is overwritten.
Example:
{code:javascript}
const type = new Utf8();
const field = new Field('test', type, false);
const column = Column.new(field, []);
console.log(column.nullable); // false
const table = Table.new(column);
console.log(table.schema.fields[0].nullable); // true
{code}
The issue seems to be the hardcoded value here:
https://github.com/apache/arrow/blob/master/js/src/util/args.ts#L184
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