InsertQuery   (children 2)
 Identifier lc_nullable
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 15)
     Function groupArray (alias order_key) (children 1)
      ExpressionList (children 1)
       Identifier num
     Function groupArray (alias i8) (children 1)
      ExpressionList (children 1)
       Function toInt8 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias i16) (children 1)
      ExpressionList (children 1)
       Function toInt16 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias i32) (children 1)
      ExpressionList (children 1)
       Function toInt32 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias i64) (children 1)
      ExpressionList (children 1)
       Function toInt64 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias u8) (children 1)
      ExpressionList (children 1)
       Function toUInt8 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias u16) (children 1)
      ExpressionList (children 1)
       Function toUInt16 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias u32) (children 1)
      ExpressionList (children 1)
       Function toUInt32 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias u64) (children 1)
      ExpressionList (children 1)
       Function toUInt64 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias f32) (children 1)
      ExpressionList (children 1)
       Function toFloat32 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias f64) (children 1)
      ExpressionList (children 1)
       Function toFloat64 (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias date) (children 1)
      ExpressionList (children 1)
       Function toDate (children 1)
        ExpressionList (children 2)
         Identifier num
         Literal \'Asia/Istanbul\'
     Function groupArray (alias date_time) (children 1)
      ExpressionList (children 1)
       Function toDateTime (children 1)
        ExpressionList (children 2)
         Identifier num
         Literal \'Asia/Istanbul\'
     Function groupArray (alias str) (children 1)
      ExpressionList (children 1)
       Function toString (children 1)
        ExpressionList (children 1)
         Identifier num
     Function groupArray (alias fixed_string) (children 1)
      ExpressionList (children 1)
       Function toFixedString (children 1)
        ExpressionList (children 2)
         Function toString (children 1)
          ExpressionList (children 1)
           Identifier num
         Literal UInt64_5
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Subquery (children 1)
        SelectWithUnionQuery (children 1)
         ExpressionList (children 1)
          SelectQuery (children 3)
           ExpressionList (children 1)
            Function negate (alias num) (children 1)
             ExpressionList (children 1)
              Identifier number
           TablesInSelectQuery (children 1)
            TablesInSelectQueryElement (children 1)
             TableExpression (children 1)
              TableIdentifier system.numbers
           Literal UInt64_15