CreateQuery largestTriangleThreeBucketsTestDecimal64Decimal64 (children 3)
 Identifier largestTriangleThreeBucketsTestDecimal64Decimal64
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration x (children 1)
    DataType Decimal64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_2
   ColumnDeclaration y (children 1)
    DataType Decimal64 (children 1)
     ExpressionList (children 1)
      Literal UInt64_2
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier y
    Identifier x
