SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier subq_0.pkey (alias c_1_c1193_15)
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t5 (alias subq_0)
   Function isNotNull (children 1)
    ExpressionList (children 1)
     Function sipHash128 (children 1)
      ExpressionList (children 3)
       Literal UInt64_0
       Identifier subq_0.c18
       Function bitShiftRight (children 1)
        ExpressionList (children 2)
         Function multiIf (children 1)
          ExpressionList (children 3)
           Literal Bool_0
           Function sipHash128 (children 1)
            ExpressionList (children 3)
             Identifier subq_0.pkey
             Identifier subq_0.c18
             Literal \'S\'
           Literal \'1\'
         Literal UInt64_0
