Looks like it was copied directly from GenericUDFArray, though I can't account
for the single quotes which look inconsistent with other UDFs
On Feb 5, 2015, at 11:06 PM, Alexander Pivovarov <apivova...@gmail.com> wrote:
> Is GenericUDFXPath.getDisplayString() implementation correct?
> 1. it says "array"
> 2. it wraps children with single qutes
>
> @Override
> public String getDisplayString(String[] children) {
> StringBuilder builder = new StringBuilder();
> builder.append("array (");
> if (children.length > 0) {
> builder.append("'");
> builder.append(StringUtils.join(children, "','"));
> builder.append("'");
> }
> builder.append(")");
> return builder.toString();
> }
>
>
> https://github.com/apache/hive/blob/trunk/ql/src/java/org/apache/hadoop/hive/ql/udf/xml/GenericUDFXPath.java
