spark-druid-connector issues

Update some codes for spark version 2.4.4

When I tested original code with spark(2.4.4), I got some trouble. So, I updated 4 difference steps. 1. Change spark, scala version and dependency modules version in `build.sbt`. 2. Add...

fwani

Null pointer exception

I create a connection with druid. I can access the schema of the datasource without any problem but when I execute a sql query and try to print the results...

annavalentina

Add more docs and examples

Please, can you provide more documentation or examples for reading from existing Druid table. Thank you in advance.

dars1608

Getting error while creating df from datasource as mentioned in readme

spark.read.format("org.rzlabs.druid").option("zkHost","localhost:2181").option("druidDatasource", "wikiticker").load.createOrReplaceTempView("druid_table"); org.rzlabs.druid.DruidDataSourceException: Time boundary should include both the start time and the end time. at org.rzlabs.druid.client.DruidQueryServerClient.timeBoundary(DruidClient.scala:411) at org.rzlabs.druid.client.DruidClient.metadata(DruidClient.scala:308) at org.rzlabs.druid.client.DruidQueryServerClient.metadata(DruidClient.scala:417) at org.rzlabs.druid.metadata.DruidMetadataCache$.getDataSourceInfo(DruidMetadataCache.scala:226) at org.rzlabs.druid.metadata.DruidRelationInfoCache$class.druidRelation(DruidMetadataCache.scala:127) at org.rzlabs.druid.metadata.DruidMetadataCache$.druidRelation(DruidMetadataCache.scala:145) at org.rzlabs.druid.DefaultSource.createRelation(DefaultSource.scala:92) at...

hsaklecha