WP_Query: force deterministic ordering - #10262

Open

ramonjd wants to merge 36 commits into

WordPress:trunkfrom

ramonjd:try/add-id-for-deterministic-ordering-to-prevent-duplicate-records

Commits on Sep 1, 2026

Enhance WP_Query ordering to ensure deterministic results by adding ID as a secondary sort field. This change addresses potential duplicate records across pages when multiple posts share the same v…
ramonjd
committed
a9a0061
WHITESPACE! Oh no!
ramonjd
committed
1131f24
Refactor WP_Query ordering logic to ensure consistent results by appending ID as a secondary sort field. Update related unit tests to reflect changes in expected SQL output for various orderby scen…
ramonjd
committed
af63e0e
Consolidate ID tie-breaker logic and ensure consistent SQL output in unit tests for orderby scenarios.
ramonjd
committed
fcdb726
whitespace in unit test
ramonjd
committed
0245f46
Refine WP_Query ordering logic to handle 'none' in orderby scenarios and ensure ID is consistently used as a tie-breaker. Update unit tests to reflect changes in expected SQL output for various ord…
ramonjd
committed
eb78345
lint
ramonjd
committed
e0f7528
Remove ticket number in tests for now
ramonjd
committed
6f8bc1a
Refactor WP_Query to ensure consistent ordering by appending ID as a secondary sort field in various scenarios. Update unit tests to reflect changes in expected SQL output for orderby cases, enhanc…
ramonjd
committed
ebd9bd2
Enhance WP_Query ordering logic by normalizing 'date' to 'date, ID' for consistent cache key generation. This change ensures deterministic results when 'date' is specified as the orderby value, imp…
ramonjd
committed
addb896
lint
ramonjd
committed
310360e
linto
ramonjd
committed
5a9ef90
Fix date formatting in deterministic ordering test to ensure consistent post creation. Updated post_date to use str_pad for zero-padding single-digit days.
ramonjd
committed
9dd9d7b
Refactor deterministic ordering tests to utilize shared fixtures for post creation. Introduced separate arrays for posts with identical dates, titles, and menu orders to enhance test clarity and ma…
ramonjd
committed
f2963de
Refactor WP_Query ordering logic to implement a blacklist approach for deterministic ordering. Updated comments for clarity and introduced a new test for metadata ordering to ensure no duplicates a…
ramonjd
committed
c29cb0f
Add search relevance tests to deterministic ordering suite
ramonjd
committed
828a90e
Enhance WP_Query ordering by adding new fields to the orderby array. Included 'post__in', 'post_name__in', 'post_parent__in', and 'include' to improve query flexibility and support additional order…
ramonjd
committed
e9df9e1
Implement deterministic ordering in WP_Query by adding ID tie-breaker after filters. Updated logic to ensure filters receive the original orderby value, maintaining backward compatibility. Added te…
ramonjd
committed
3d355d7
lint
ramonjd
committed
fbe02ee
Refactor REST API post ordering tests to remove ID tie-breaker from assertions. Added a new test to verify the inclusion of ID tie-breaker in the final SQL query for deterministic ordering, ensurin…
ramonjd
committed
8ab6a79
Refactor WP_Query to preserve filter modifications to orderby. Adjusted related tests to verify that filter modifications are respected.
ramonjd
committed
8183228
Separate units in tests for posts_orderby and posts_clauses filter behavior.
ramonjd
committed
4896bca
Query: build the ID tie-breaker before the query clause filters run.
ramonjd
committed
3bf4883
Query: restore the cache key's default orderby value.
ramonjd
committed
1a468a0
Query: restore the cache key's SELECT field replacement.
ramonjd
committed
25f35b5
Tests: cover paginated queries returning a post more than once.
ramonjd
committed
2cd22a7
Query: only normalise the selected columns in the cache key.
ramonjd
committed
7f4bb49
Docs: record the version the ordering change landed in.
ramonjd
committed
dfeea0f

Commits on Sep 2, 2026