SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier alias_col
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 2)
      TableIdentifier t_00712_2
      SampleRatio 1 / 2
   Function and (children 1)
    ExpressionList (children 3)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier date
       Literal \'2018-01-01\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier counter
       Literal UInt64_1
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier sampler
       Literal UInt64_1
