Adding upstream version 1.9.1.upstream/1.9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/iredis/data/commands/geodist.md b/iredis/data/commands/geodist.md
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+Return the distance between two members in the geospatial index represented by
+the sorted set.
+
+Given a sorted set representing a geospatial index, populated using the `GEOADD`
+command, the command returns the distance between the two specified members in
+the specified unit.
+
+If one or both the members are missing, the command returns NULL.
+
+The unit must be one of the following, and defaults to meters:
+
+- **m** for meters.
+- **km** for kilometers.
+- **mi** for miles.
+- **ft** for feet.
+
+The distance is computed assuming that the Earth is a perfect sphere, so errors
+up to 0.5% are possible in edge cases.
+
+@return
+
+@bulk-string-reply, specifically:
+
+The command returns the distance as a double (represented as a string) in the
+specified unit, or NULL if one or both the elements are missing.
+
+@examples
+
+```cli
+GEOADD Sicily 13.361389 38.115556 "Palermo" 15.087269 37.502669 "Catania"
+GEODIST Sicily Palermo Catania
+GEODIST Sicily Palermo Catania km
+GEODIST Sicily Palermo Catania mi
+GEODIST Sicily Foo Bar
+```