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 (children 1)
     Function tuple (children 1)
      ExpressionList (children 2)
       Function tupleElement (children 1)
        ExpressionList (children 2)
         Identifier agg
         Literal UInt64_1
       Function tupleElement (children 1)
        ExpressionList (children 2)
         Identifier agg
         Literal UInt64_2
 Identifier agg_table
 Set