Tag: sql

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Kepler.gl on Druid Spatial Query

August 24, 2020

Metatron distributed Druid provides GIS indexing function for WKT format files, and supports various GIS functions. It also provides SQL query interface for ease of use, and a function to export the result to GeoJson format. This example briefly explains how to analyze location data using Spatial Query provided by Metatron distributed Druid and Kepler.gl.…
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Exporting data using Druid SQL

August 20, 2020

Metatron distribution Druid provides a function to export JSON query results to files in various formats such as ORC, Parquet, JSON, CSV, Excel, etc. The syntax for this is specified in the context of the Druid JSON query and is as follows. The description and values ​​for each setting are as follows. Required Description Value…
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