SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Identifier type
    Identifier query
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.query_log
   Function and (children 1)
    ExpressionList (children 5)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier current_database
       Function currentDatabase (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier log_comment
       Literal \'log_comment test\'
     Function like (children 1)
      ExpressionList (children 2)
       Identifier query
       Literal \'SELECT 1%\'
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_date
       Function yesterday (children 1)
        ExpressionList
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier type
       Literal UInt64_1
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier event_time_microseconds
   Literal UInt64_1