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OpenSearch/x-pack
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Marios Trivyzas 4710a7472f
SQL: Implement FIRST/LAST aggregate functions (#37936) 
FIRST and LAST can be used with one argument and work similarly to MIN
and MAX but they are implemented using a Top Hits aggregation and
therefore can also operate on keyword fields. When a second argument is
provided then they return the first/last value of the first arg when its
values are ordered ascending/descending (respectively) by the values of
the second argument. Currently because of the usage of a Top Hits
aggregation FIRST and LAST cannot be used in the HAVING clause of a
GROUP BY query to filter on the results of the aggregation.

Closes: #35639
 		2019-01-31 16:33:05 +02:00
..
dev-tools Build: Merge xpack checkstyle config into core (#33399) 2018-09-05 09:17:02 -04:00
docs Move watcher to use seq# and primary term for concurrency control (#37977) 2019-01-30 20:14:59 -05:00
license-tools Switch mapping/aggregations over to java time (#36363) 2019-01-23 10:40:05 +01:00
plugin SQL: Implement FIRST/LAST aggregate functions (#37936) 2019-01-31 16:33:05 +02:00
qa Introduce ability to minimize round-trips in CCS (#37828) 2019-01-31 15:12:14 +01:00
test Ground work to start up the docker image in the build (#37754) 2019-01-24 17:26:42 +02:00
transport-client Testing conventions now checks for tests in main (#37321) 2019-01-24 17:30:50 +02:00
NOTICE.txt
…
README.md Reorganize license files 2018-04-20 15:33:59 -07:00
build.gradle MINOR: Remove some Deadcode in Gradle (#37160) 2019-01-07 09:21:25 +01:00

README.md

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