SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 3)
    Literal \'implicit_False\'
    Function count (alias all) (children 1)
     ExpressionList
    Function equals (alias is_empty) (children 1)
     ExpressionList (children 2)
      Identifier transaction_id
      Literal Tuple_(UInt64_0, UInt64_0, \'00000000-0000-0000-0000-000000000000\')
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.query_log
   Function and (children 1)
    ExpressionList (children 3)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier current_database
       Function currentDatabase (children 1)
        ExpressionList
     Function greaterOrEquals (children 1)
      ExpressionList (children 2)
       Identifier event_date
       Function yesterday (children 1)
        ExpressionList
     Function like (children 1)
      ExpressionList (children 2)
       Identifier query
       Literal \'-- Verify that the transaction_id column is NOT populated without transaction%\'
   ExpressionList (children 1)
    Identifier transaction_id
 Identifier JSONEachRow