Update WordPress Importer plugin to include post_type in the query for existing post

[dhusakovic]

Description

The post import process uses post_exists function to check whether each of the importing posts already exists. The query utilises the title and date parameters for this search, which will run through all the posts to try and find a match.

In cases where we have a large number of posts this process times out and the import fails.

Passing the post_type to post_exists function allows us to use the type_status_date key, which significantly drops the number of rows examined and the overall query time in certain instances, depending on how many posts of that post_type we have.

Changelog Description

Update to WordPress Importer plugin to improve the post_exists query time during post import process.

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• This change works and has been tested locally (or has an appropriate fallback).
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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.99%. Comparing base (795d517) to head (babe522).
Report is 240 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #5410      +/-   ##
=============================================
- Coverage      29.03%   28.99%   -0.05%     
  Complexity      4825     4825              
=============================================
  Files            283      283              
  Lines          20954    20942      -12     
=============================================
- Hits            6085     6073      -12     
  Misses         14869    14869              

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[rebeccahum]

Hi @dhusakovic, thanks for the PR! Would it be possible to do the change upstream so that when we update it to the latest version, the change doesn't get overwritten? https://github.com/WordPress/wordpress-importer

[dhusakovic]

@rebeccahum I've created an issue and suggested the change here WordPress/wordpress-importer#162. Can we still push the update here while we wait for the upstream changes?

[rebeccahum]

@dhusakovic I'd prefer to keep it in sync with upstream to ensure it doesn't get overwritten with the way we have many moving parts in MU-plugins! However, I looked at the upstream issue and it looks like your suggestion would be a welcome change in a PR 🙂.

[github-actions]

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