InsertQuery   (children 3)
 Identifier codecTest
 ExpressionList (children 6)
  Identifier key
  Identifier name
  Identifier ref_valueF64
  Identifier valueF64
  Identifier ref_valueF32
  Identifier valueF32
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 4)
    ExpressionList (children 6)
     Identifier number (alias n)
     Literal \'log2(n)\'
     Function log2 (alias v) (children 1)
      ExpressionList (children 1)
       Identifier n
     Identifier v
     Identifier v
     Identifier v
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.numbers
    Literal UInt64_101
    Literal UInt64_100