CreateQuery tmp_b (children 3)
 Identifier tmp_b
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration k1 (children 1)
    DataType Int32
   ColumnDeclaration k2 (children 1)
    DataType Int32
   ColumnDeclaration d0 (children 1)
    DataType Float64
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
