CreateQuery set_array (children 3)
 Identifier set_array
 Columns definition (children 2)
  ExpressionList (children 2)
   ColumnDeclaration primary_key (children 1)
    DataType String
   ColumnDeclaration index_array (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt64
  ExpressionList (children 1)
   Index (children 2)
    Identifier index_array
    Function set (children 1)
     ExpressionList (children 1)
      Literal UInt64_10000
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier primary_key