SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList
    Function groupArray (children 1)
     ExpressionList (children 1)
      Identifier message
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.text_log
   Function and (children 1)
    ExpressionList (children 2)
     Function like (children 1)
      ExpressionList (children 2)
       Identifier logger_name
       Function concat (children 1)
        ExpressionList (children 4)
         Literal \'%\'
         Function currentDatabase (children 1)
          ExpressionList
         Literal \'.t_sparse_columns_clear\'
         Literal \'%\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier level
       Literal \'Error\'
