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Augments explanation of "tablekeyset" option in README.md #14

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2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,7 @@ database: The numeric ID of the Redis database to query.
(9.2 and later) tablekeyprefix: only get items whose names start with the prefix
Default: none

(9.2 and later) tablekeyset: fetch item names from the named set
(9.2 and later) tablekeyset: in a Redis database with many keys, searching even using "tablekeyprefix" might still be expensive. In that case, you can keep a list of specific keys in a separate set and define it using "tablekeyset". This way the global keyspace isn't searched at all. Only the keys in the "tablekeyset" will be mapped in the foreign table.
Default: none

(9.2 and later) singleton_key: get all the values in the table from a single
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