SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.text_log
   Function and (children 1)
    ExpressionList (children 4)
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_time
       Function minus (children 1)
        ExpressionList (children 2)
         Function now (children 1)
          ExpressionList
         Function toIntervalSecond (children 1)
          ExpressionList (children 1)
           Literal UInt64_120
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier level
       Literal \'Error\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier message
       Literal \'%CHECKSUM_DOESNT_MATCH%\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier logger_name
       Function concat (children 1)
        ExpressionList (children 3)
         Literal \'%\'
         Function currentDatabase (children 1)
          ExpressionList
         Literal \'%checksums_r%\'
