SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Identifier name
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.table_functions
   Function and (children 1)
    ExpressionList (children 2)
     Function less (children 1)
      ExpressionList (children 2)
       Function length (children 1)
        ExpressionList (children 1)
         Identifier description
       Literal UInt64_10
     Function notIn (children 1)
      ExpressionList (children 2)
       Identifier name
       Literal Tuple_(\'cosn\', \'oss\', \'hdfs\', \'hdfsCluster\', \'hive\', \'mysql\', \'postgresql\', \'s3\', \'s3Cluster\', \'sqlite\', \'urlCluster\', \'mergeTreeParts\')
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier name
