The query cache stores result sets keyed by the exact query text and invalidates every entry for a table whenever that table is written. On anything with writes,…
A projection updated asynchronously is behind by some amount, usually milliseconds and occasionally minutes. Hiding that from the caller makes every consumer assume it is current, and one…
A cached value of false and a cache miss both return false, so a lookup that legitimately caches “no result” re-queries on every request and the cache appears…
Every clause in a query context computes a relevance score, including the ones that are yes-or-no questions — in stock, in this category, under this price. Scoring them…
Without a drop-in, a transient is two rows in wp_options. With one, transients are stored in the object cache and never touch the database — which is faster…
4.7 shipped the content endpoints. What moving off the feature plugin involves, why authentication is still the unsolved half, and the read API every site now exposes.
Passing 0 as the expiry reads like “expire immediately” and means the opposite: no expiry is stored, so the transient lives until something deletes it. A variable that…