CreateQuery visits_layer (children 3)
 Identifier visits_layer
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration StartDate (children 1)
    DataType Date
 Storage definition (children 1)
  Function Distributed (children 1)
   ExpressionList (children 3)
    Identifier test_cluster_two_shards_localhost
    Function currentDatabase (children 1)
     ExpressionList
    Literal \'visits\'
