[SOLR-12221] Add valueAt Stream Evaluator

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.1, 9.0
• Component/s: streaming expressions
• Assignee: Joel Bernstein
• Reporter: Joel Bernstein
• Created: 13/Apr/18 02:41
• Updated: 12/May/22 00:26
• Resolved: 13/Aug/21 21:05

Description

The valueAt Stream Evaluator returns the value at a specific index of an array or the value of a specific row and column of a matrix.

Sample syntax for an array:

let(a=array(1, 2, 3),
    b=valueAt(a, 2))