Dan Rosher

SOLR-16291 : Decay function queries gauss,linear,exponential

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https://issues.apache.org/jira/browse/SOLR-16291 # Description This is a Solr version of the Decay functions [available in Elasticsearch ] (https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-function-score-query.html#function-decay ) Decay functions score a document with a function that decays depending on...

SOLR-16286 : Topic stream not honoring initialCheckpoint in getPersis…

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https://issues.apache.org/jira/browse/SOLR-16286 # Description getCheckpoints() does honor initialCheckpoint, but when stored, getPersistedCheckpoints which is processed first, does not. The effect is that initialCheckpoint=0 doesn't work as expected after it's stored. #...

SOLR-16292 : NVector for alternative great-circle distance calculations

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https://issues.apache.org/jira/browse/SOLR-16292 # Description [N-Vector](https://en.wikipedia.org/wiki/N-vector#Example:_Great_circle_distance) is a three-parameter representation that can be used to calculate the great-circle distance (assuming a spherical Earth). It uses FastInvTrig, which for small distances it compares...

SOLR-16287 : MapStream - remap tuple value(s)

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https://issues.apache.org/jira/browse/SOLR-16287 # Description Enables atomic updates for update stream by remapping a value to tuple, solr will recognise the map as an atomic update, otherwise update stream simply overwrites. Normal...