Hi Ramon,
Great question. Are you interested in something like SQL views to
compute stats (maybe something like 'select count(*), id where
cond1' over a region or to drive parameterized views described here:
http://docs.geoserver.org/stable/en/user/data/database/sqlview.html?
Either would require some new development. One possible solution
would be to use GeoMesa's SparkSQL support to run a SQL query.
There's a fair bit of infrastructure required for that.
Alternatively, a limited SQL dialect could be supported and
translated to GeoTools queries by a layer in the API.
Thoughts?
Cheers,
Jim
On 06/14/2016 09:45 AM, Alberto Ramón
wrote:
Hello
Q:In GeoServer + PostGIS, we see a "Edit SQL View" in Layer
Option, this is very useful for calculate filtered aggregates
"on demand" from OpenLayers
But this option isn't in HBase + Geomesa?
SOL1: Insert Pre-agregate data into Mesa
PB1: We can't apply filters, and insert all combinations of
pre-agregate its not possible
SOL2: With: "...spark/analytics/CountByDay.scala"
(/geomesa-users/msg00767.html)
PB2: We need add cluster scala and move all raw data from
geomesa spark (or use ECQL): The aggregation is not in
Database engine (Like PostGIS)
SOL3: ¿Other?
B.R.
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