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https://issues.apache.org/jira/browse/DRILL-6770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16638648#comment-16638648
 ] 

ASF GitHub Bot commented on DRILL-6770:
---------------------------------------

gparai opened a new pull request #1489: DRILL-6770: JsonTableGroupScan should 
use new MapRDB 6.1.0 APIs
URL: https://github.com/apache/drill/pull/1489
 
 
   MapRDB 6.1.0 has removed support for some APIs which breaks Drill code 
(Deprecation should have been used instead). This PR uses the new APIs instead. 
@amansinha100 can you please review the PR? Thanks!

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> Queries on MapR-DB JSON tables fail with UnsupportedOperationException: 
> Getting number of rows for tablet not supported
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-6770
>                 URL: https://issues.apache.org/jira/browse/DRILL-6770
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization, Storage - MapRDB
>    Affects Versions: 1.15.0
>         Environment: MapR 6.1.0
> Drill 1.15.0
>            Reporter: Abhishek Girish
>            Assignee: Gautam Kumar Parai
>            Priority: Critical
>             Fix For: 1.15.0
>
>
> Create a simple MapR-DB JSON table
> {code}
> $ mapr dbshell 
> MapR-DB Shell
> maprdb root:> create /tmp/t1
> Table /tmp/t1 created.
> maprdb root:> insert /tmp/t1 --id '1' --v '{"a":1}'
> Document with id: "1" inserted.
> maprdb root:> find /tmp/t1
> {"_id":"1","a":1}
> 1 document(s) found.
> {code}
> Querying this from Drill fails:
> {code}
> > select * from mfs.`/tmp/t1`;
> Error: SYSTEM ERROR: UnsupportedOperationException: Getting number of rows 
> for tablet not supported
> {code}
> Stack Trace:
> {code}
>   (org.apache.drill.exec.work.foreman.ForemanException) Unexpected exception 
> during fragment initialization: Error while applying rule DrillTableRule, 
> args [rel#1400499:EnumerableTableScan.ENUMERABLE.ANY([]).[](table=[mfs, 
> /tmp/t1])]
>     org.apache.drill.exec.work.foreman.Foreman.run():300
>     java.util.concurrent.ThreadPoolExecutor.runWorker():1149
>     java.util.concurrent.ThreadPoolExecutor$Worker.run():624
>     java.lang.Thread.run():748
>   Caused By (java.lang.RuntimeException) Error while applying rule 
> DrillTableRule, args 
> [rel#1400499:EnumerableTableScan.ENUMERABLE.ANY([]).[](table=[mfs, /tmp/t1])]
>     org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch():236
>     org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp():648
>     org.apache.calcite.tools.Programs$RuleSetProgram.run():339
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform():425
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform():365
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRawDrel():252
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel():314
>     org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan():179
>     org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan():145
>     org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan():83
>     org.apache.drill.exec.work.foreman.Foreman.runSQL():584
>     org.apache.drill.exec.work.foreman.Foreman.run():272
>     java.util.concurrent.ThreadPoolExecutor.runWorker():1149
>     java.util.concurrent.ThreadPoolExecutor$Worker.run():624
>     java.lang.Thread.run():748
>   Caused By (org.apache.drill.common.exceptions.DrillRuntimeException) Error 
> getting region info for table: maprfs:///tmp/t1
>     org.apache.drill.exec.store.mapr.db.json.JsonTableGroupScan.init():161
>     org.apache.drill.exec.store.mapr.db.json.JsonTableGroupScan.<init>():83
>     org.apache.drill.exec.store.mapr.db.MapRDBFormatPlugin.getGroupScan():81
>     org.apache.drill.exec.store.dfs.FileSystemPlugin.getPhysicalScan():170
>     org.apache.drill.exec.store.AbstractStoragePlugin.getPhysicalScan():117
>     org.apache.drill.exec.store.AbstractStoragePlugin.getPhysicalScan():112
>     org.apache.drill.exec.planner.logical.DrillTable.getGroupScan():99
>     org.apache.drill.exec.planner.logical.DrillScanRel.<init>():90
>     org.apache.drill.exec.planner.logical.DrillScanRel.<init>():70
>     org.apache.drill.exec.planner.logical.DrillScanRel.<init>():63
>     org.apache.drill.exec.planner.logical.DrillScanRule.onMatch():38
>     org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch():212
>     org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp():648
>     org.apache.calcite.tools.Programs$RuleSetProgram.run():339
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform():425
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform():365
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRawDrel():252
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel():314
>     org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan():179
>     org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan():145
>     org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan():83
>     org.apache.drill.exec.work.foreman.Foreman.runSQL():584
>     org.apache.drill.exec.work.foreman.Foreman.run():272
>     java.util.concurrent.ThreadPoolExecutor.runWorker():1149
>     java.util.concurrent.ThreadPoolExecutor$Worker.run():624
>     java.lang.Thread.run():748
>   Caused By (java.lang.UnsupportedOperationException) Getting number of rows 
> for tablet not supported
>     com.mapr.db.impl.TabletInfoImpl.getEstimatedNumRows():71
>     org.apache.drill.exec.store.mapr.db.json.JsonTableGroupScan.init():155
>     org.apache.drill.exec.store.mapr.db.json.JsonTableGroupScan.<init>():83
>     org.apache.drill.exec.store.mapr.db.MapRDBFormatPlugin.getGroupScan():81
>     org.apache.drill.exec.store.dfs.FileSystemPlugin.getPhysicalScan():170
>     org.apache.drill.exec.store.AbstractStoragePlugin.getPhysicalScan():117
>     org.apache.drill.exec.store.AbstractStoragePlugin.getPhysicalScan():112
>     org.apache.drill.exec.planner.logical.DrillTable.getGroupScan():99
>     org.apache.drill.exec.planner.logical.DrillScanRel.<init>():90
>     org.apache.drill.exec.planner.logical.DrillScanRel.<init>():70
>     org.apache.drill.exec.planner.logical.DrillScanRel.<init>():63
>     org.apache.drill.exec.planner.logical.DrillScanRule.onMatch():38
>     org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch():212
>     org.apache.calcite.plan.volcano.VolcanoPlanner.findBestExp():648
>     org.apache.calcite.tools.Programs$RuleSetProgram.run():339
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform():425
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.transform():365
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToRawDrel():252
>     
> org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.convertToDrel():314
>     org.apache.drill.exec.planner.sql.handlers.DefaultSqlHandler.getPlan():179
>     org.apache.drill.exec.planner.sql.DrillSqlWorker.getQueryPlan():145
>     org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan():83
>     org.apache.drill.exec.work.foreman.Foreman.runSQL():584
>     org.apache.drill.exec.work.foreman.Foreman.run():272
>     java.util.concurrent.ThreadPoolExecutor.runWorker():1149
>     java.util.concurrent.ThreadPoolExecutor$Worker.run():624
>     java.lang.Thread.run():748 (state=,code=0)
> {code}



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