CreateQuery r (children 3)
 Identifier r
 Columns definition (children 2)
  ExpressionList (children 4)
   ColumnDeclaration x (children 1)
    DataType String
   ColumnDeclaration a (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration q (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Function quantilesTiming (children 1)
       ExpressionList (children 3)
        Literal Float64_0.5
        Literal Float64_0.95
        Literal Float64_0.99
      DataType Int64
   ColumnDeclaration s (children 1)
    DataType Int64
  ExpressionList (children 1)
   Projection (children 1)
    ProjectionSelectQuery (children 2)
     ExpressionList (children 3)
      Identifier a
      Function quantilesTimingMerge (children 2)
       ExpressionList (children 1)
        Identifier q
       ExpressionList (children 3)
        Literal Float64_0.5
        Literal Float64_0.95
        Literal Float64_0.99
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier s
     ExpressionList (children 1)
      Identifier a
 Storage definition (children 3)
  Function SummingMergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier x
    Identifier a
  Set
