Explain EXPLAIN ESTIMATE (children 2)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Function count (children 1)
      ExpressionList
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier partition_by_ignore
    Function and (children 1)
     ExpressionList (children 2)
      Function greaterOrEquals (children 1)
       ExpressionList (children 2)
        Identifier ts
        Function toDateTime (children 1)
         ExpressionList (children 1)
          Literal \'2022-08-07 00:00:00\'
      Function lessOrEquals (children 1)
       ExpressionList (children 2)
        Identifier ts
        Function toDateTime (children 1)
         ExpressionList (children 1)
          Literal \'2022-08-10 00:00:00\'
 Identifier CSV
