AlterQuery  agg_table (children 3)
 ExpressionList (children 1)
  AlterCommand UPDATE (children 2)
   Function and (children 1)
    ExpressionList (children 2)
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier time
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'2020-08-01 00:00:00\'
     Function lessOrEquals (children 1)
      ExpressionList (children 2)
       Identifier time
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'2020-12-01 00:00:00\'
   ExpressionList (children 1)
    Assignment agg_simple (children 1)
     Literal UInt64_5
 Identifier agg_table
 Set