Splunk Search

Join matching field of a Sub-Search


Hello, I currently have a search over index_A that runs a sub-search from index_B looking to match a field (field_B) from index_B to any log within index_A.  The search works great but the only frustration is not knowing what field value that field_B held as all of the tabled results come from index_A.  Is there a way I can join that matched field_B to the results at the end of the search?  Here is my current search and thanks for anyone that has the time to help me with this!

index=index_A [search index=index_B | fields field_B | rename field_B as query] 
| table field_A field_A1 field_A2 field_A3


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