SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function greater (children 1)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier data_compressed_bytes
      Literal UInt64_0
    Function greater (children 1)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier data_uncompressed_bytes
      Literal UInt64_0
    Function greater (children 1)
     ExpressionList (children 2)
      Function sum (children 1)
       ExpressionList (children 1)
        Identifier marks_bytes
      Literal UInt64_0
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.columns
   Function in (children 1)
    ExpressionList (children 2)
     Function tuple (children 1)
      ExpressionList (children 2)
       Identifier database
       Identifier table
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 3)
         ExpressionList (children 2)
          Identifier database
          Identifier table
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier system.tables
         Function and (children 1)
          ExpressionList (children 2)
           Function notEquals (children 1)
            ExpressionList (children 2)
             Identifier engine
             Literal \'Merge\'
           Function or (children 1)
            ExpressionList (children 2)
             Function notEquals (children 1)
              ExpressionList (children 2)
               Identifier engine
               Literal \'StorageProxy\'
             Function notILike (children 1)
              ExpressionList (children 2)
               Identifier create_table_query
               Literal \'%merge%\'