Joel Bernstein created SOLR-10551:
-------------------------------------
Summary: Add cat and list Streaming Expressions
Key: SOLR-10551
URL: https://issues.apache.org/jira/browse/SOLR-10551
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Joel Bernstein
The *cat* expression concatenates streams. Sample syntax:
{code}
cat(expr,expr, ...)
{code}
This *list* expression gathers the tuples from a stream and flattens them into
a list in a single tuple. Sample syntax:
{code}
list(name, expr)
{code}
The *name* param is the key in the tuple pointing to the list.
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