Parallel SQL throws "column not found" error when the query hits multiple shards and one of shard doesn't have any documents yet.
Sample error
==
{"result-set":{"docs":[
{"EXCEPTION":"Failed to execute sqlQuery 'SELECT sr_sv_userFirstName as firstName, sr_sv_userLastName as lastName FROM collection1 ORDEr BY dv_sv_userLastName LIMIT 15' against JDBC connection 'jdbc:calcitesolr:'.\nError while executing SQL \"SELECT sr_sv_userFirstName as firstName, sr_sv_userLastName as lastName FROM collection1 ORDEr BY dv_sv_userLastName LIMIT 15\": From line 1, column 9 to line 1, column 27: Column 'sr_sv_userFirstName' not found in any table","EOF":true,"RESPONSE_TIME":87}
]}}
Bug
Minor