SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function and (children 1)
     ExpressionList (children 6)
      Function greater (children 1)
       ExpressionList (children 2)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier ANS
          Literal UInt64_1
        Literal Float64_1.9
      Function less (children 1)
       ExpressionList (children 2)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier ANS
          Literal UInt64_1
        Literal Float64_2.1
      Function greater (children 1)
       ExpressionList (children 2)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier ANS
          Literal UInt64_2
        Literal Float64_2.9
      Function less (children 1)
       ExpressionList (children 2)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier ANS
          Literal UInt64_2
        Literal Float64_3.1
      Function greater (children 1)
       ExpressionList (children 2)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier ANS
          Literal UInt64_3
        Literal Float64_-3.1
      Function less (children 1)
       ExpressionList (children 2)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier ANS
          Literal UInt64_3
        Literal Float64_-2.9
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 6)
          ExpressionList (children 1)
           Function stochasticLinearRegression (alias ANS) (children 2)
            ExpressionList (children 3)
             Identifier target
             Identifier p1
             Identifier p2
            ExpressionList (children 4)
             Literal Float64_0.05
             Literal UInt64_0
             Literal UInt64_1
             Literal \'SGD\'
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier grouptest
          ExpressionList (children 1)
           Identifier user_id
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier user_id
          Literal UInt64_0
          Literal UInt64_1