* fault is not really in the transformation, but in clauselist_selectivity's
* inability to recognize redundant conditions.) We can compensate for this
* redundancy by changing the cached selectivity of the original OR clause,
- * cancelling out the (valid) reduction in the estimated sizes of the base
+ * canceling out the (valid) reduction in the estimated sizes of the base
* relations so that the estimated joinrel size remains the same. This is
* a MAJOR HACK: it depends on the fact that clause selectivities are cached
* and on the fact that the same RestrictInfo node will appear in every
* We either resolve conflicts immediately or set a timeout to wake us at
* the limit of our patience.
*
- * Resolve conflicts by cancelling to all backends holding a conflicting
+ * Resolve conflicts by canceling to all backends holding a conflicting
* lock. As we are already queued to be granted the lock, no new lock
* requests conflicting with ours will be granted in the meantime.
*
* By computing the intended stop time initially, we avoid accumulation of
* extra delay across multiple sleeps. This also ensures we won't delay
* less than the specified time when WaitLatch is terminated early by a
- * non-query-cancelling signal such as SIGHUP.
+ * non-query-canceling signal such as SIGHUP.
*/
#ifdef HAVE_INT64_TIMESTAMP
* But having said that: div[qi] can be more than INT_MAX/NBASE, as
* noted above, which means that the product div[qi] * NBASE *can*
* overflow. When that happens, adding it to div[qi + 1] will always
- * cause a cancelling overflow so that the end result is correct. We
+ * cause a canceling overflow so that the end result is correct. We
* could avoid the intermediate overflow by doing the multiplication
* and addition in int64 arithmetic, but so far there appears no need.
*/
/*
* An invalid Xmin can be left behind by a speculative insertion that
- * is cancelled by super-deleting the tuple. We shouldn't see any of
+ * is canceled by super-deleting the tuple. We shouldn't see any of
* those in TOAST tables, but better safe than sorry.
*/
else if (!TransactionIdIsValid(HeapTupleHeaderGetXmin(tuple)))