diff options
Diffstat (limited to 'src/mongo/db/query/interval.h')
| -rw-r--r-- | src/mongo/db/query/interval.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/mongo/db/query/interval.h b/src/mongo/db/query/interval.h index 66767036f95..21b2cfce4ab 100644 --- a/src/mongo/db/query/interval.h +++ b/src/mongo/db/query/interval.h @@ -98,6 +98,18 @@ struct Interval { */ bool isNull() const; + enum class Direction { + // Point intervals, empty intervals, and null intervals have no direction. + kDirectionNone, + kDirectionAscending, + kDirectionDescending + }; + + /** + * Compute the direction. + */ + Direction getDirection() const; + // // Comparison with other intervals // @@ -169,6 +181,11 @@ struct Interval { void reverse(); /** + * Return a new Interval that's a reverse of this one. + */ + Interval reverseClone() const; + + /** * Updates 'this' with the intersection of 'this' and 'other'. If 'this' and 'other' * have been compare()d before, that result can be optionally passed in 'cmp' */ @@ -182,7 +199,7 @@ struct Interval { }; inline bool operator==(const Interval& lhs, const Interval& rhs) { - return lhs.compare(rhs) == Interval::INTERVAL_EQUALS; + return lhs.equals(rhs); } inline bool operator!=(const Interval& lhs, const Interval& rhs) { |