fix: handle 0 item response in querysets#1501
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A flaw in the __iter__ logic introduced to handle scenarios where a pagination element is not included in the response xml resulted in an infinite loop. This PR introduces a few changes to protect against this: 1. After running QuerySet._fetch_all(), if the result_cache is empty, return instead of performing other comparisons. 2. Ensure that any non-None total_available is returned from the PaginationItem's object. 3. In _fetch_all, check if there is a PaginationItem that has been populated so as to not call the server side endpoint muliple times before returning.
jorwoodsforce-pushed the jorwoods/infinite_loop branch from c073f53 to b0da014CompareTests were failing because the fetch_all method added a second check before fetching the next page. This fix will allow the next page to be retrieved when used normally
jacalata approved these changes Oct 17, 2024
jacalata added a commit that referenced this pull request Oct 24, 2024
* Feature: export custom views #999 (#1506) * feat(exceptions): separate failed signin error (#1478) * refactor request_options, add language param (#1481) * Set FILESIZE_LIMIT_MB via environment variables (#1466) * added PulseMetricDefine cap (#1490) * Adding project permissions handling for databases, tables and virtual connections (#1482) * fix: queryset support for flowruns (#1460) * fix: set unknown size to sys.maxsize * fix: handle 0 item response in querysets (#1501) * chore: support VizqlDataApiAccess capability (#1504) * refactor(test): extract error factory to _utils * chore(typing): flowruns.cancel can also accept a FlowRunItem * chore: type hint default permissions endpoints (#1493) * chore(versions): update remaining f-strings (#1477) * Make urllib3 dependency more flexible (#1468) * Update requests library for CVE CVE-2024-35195 (#1507) * chore(versions): Upgrade minimum python version (#1465) * ci: cache dependencies for faster builds (#1497) * ci: build on python 3.13 (#1492) * Update samples for Python 3.x compatibility (#1479) * chore: remove py2 holdover code (#1496) * #Add 'description' to datasource sample code (#1475) * Remove sample code showing group name encoding (#1486) * chore(typing): include samples in type checks (#1455) * fix: docstring on QuerySet * docs: add docstrings to auth objects and endpoints (#1484) * docs: docstrings for Server and ServerInfo (#1494) * docs: docstrings for user item and endpoint (#1485) * docs: docstrings for site item and endpoint (#1495) * docs: workbook docstrings (#1488) * #1464 - docs update for filtering on boolean values (#1471) --------- Co-authored-by: Brian Cantoni <[email protected]> Co-authored-by: Jordan Woods <[email protected]> Co-authored-by: Jordan Woods <[email protected]> Co-authored-by: Jac <[email protected]> Co-authored-by: Henning Merklinger <[email protected]> Co-authored-by: AlbertWangXu <[email protected]> Co-authored-by: TrimPeachu <[email protected]>
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A flaw in the
__iter__logic introduced to handle scenarios where a pagination element is not included in the response xml resulted in an infinite loop. This PR introduces a few changes to protect against this:QuerySet._fetch_all(), if theresult_cacheis empty, return instead of performing other comparisons.total_availableis returned from thePaginationItem's object._fetch_all, check if there is aPaginationItemthat has been populated so as to not call the server side endpoint multiple times before returning.