CreateQuery distributed (children 3)
 Identifier distributed
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration x (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Int8
 Storage definition (children 1)
  Function Distributed (children 1)
   ExpressionList (children 3)
    Identifier test_shard_localhost
    Function currentDatabase (children 1)
     ExpressionList
    Identifier local
