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https://issues.apache.org/jira/browse/DRILL-6770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16640069#comment-16640069
]
ASF GitHub Bot commented on DRILL-6770:
---------------------------------------
amansinha100 commented on issue #1489: DRILL-6770: JsonTableGroupScan should
use new MapRDB 6.1.0 APIs
URL: https://github.com/apache/drill/pull/1489#issuecomment-427428588
+1 to get it merged to get past the current blocking issue. There could be
potential plan changes though (which are not tracked by functional tests) since
the filtered row count now will be higher than before (even though it will be
more accurate). So we should follow up with some more targeted tests.
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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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