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From "Andries Engelbrecht (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4312) JDBC PlugIN - MySQL Causes errors in Drill INFORMATION_SCHEMA
Date Tue, 26 Jan 2016 18:58:39 GMT
Andries Engelbrecht created DRILL-4312:
------------------------------------------

             Summary: JDBC PlugIN - MySQL Causes errors in Drill INFORMATION_SCHEMA
                 Key: DRILL-4312
                 URL: https://issues.apache.org/jira/browse/DRILL-4312
             Project: Apache Drill
          Issue Type: Bug
          Components: Storage - Other
    Affects Versions: 1.4.0
            Reporter: Andries Engelbrecht


When connecting MySQL with the JDBC PlugIn queries to INFORMATION_SCHEMA fails. Specifically
for COLUMNS and on mysql.performance_schema.

{query}
SELECT DISTINCT TABLE_SCHEMA as NAME_SPACE, TABLE_NAME as TAB_NAME FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA <>'INFORMATION_SCHEMA' and TABLE_SCHEMA <> 'sys';
{/query}

{result}
Error: SYSTEM ERROR: MySQLSyntaxErrorException: Unknown table engine 'PERFORMANCE_SCHEMA'

Fragment 0:0
{/result}

{query}
0: jdbc:drill:> select * from INFORMATION_SCHEMA.`COLUMNS` where TABLE_SCHEMA = 'mysql.performance_schema';
{/query}

{result}
Error: SYSTEM ERROR: MySQLSyntaxErrorException: Unknown table engine 'PERFORMANCE_SCHEMA'

Fragment 0:0
{/result}



{drillbit.log}
[Error Id: 45d23eb8-0bcf-41e2-84e2-4626e7fb0d33 on drilldemo:31010]
        at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:534)
~[drill-common-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:321)
[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:184)
[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:290)
[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
[drill-common-1.4.0.jar:1.4.0]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[na:1.8.0_51]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[na:1.8.0_51]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_51]
Caused by: java.lang.RuntimeException: Exception while reading definition of table 'cond_instances'
        at org.apache.calcite.adapter.jdbc.JdbcTable.getRowType(JdbcTable.java:103) ~[calcite-core-1.4.0-drill-1.4.0-mapr-r1.jar:1.4.0-drill-1.4.0-mapr-r1]
        at org.apache.drill.exec.store.ischema.RecordGenerator.scanSchema(RecordGenerator.java:140)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.store.ischema.RecordGenerator.scanSchema(RecordGenerator.java:120)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.store.ischema.RecordGenerator.scanSchema(RecordGenerator.java:120)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.store.ischema.RecordGenerator.scanSchema(RecordGenerator.java:108)
~[drill-java-exec-1.4.0.jar:1.4.0]
at org.apache.drill.exec.store.ischema.SelectedTable.getRecordReader(SelectedTable.java:57)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:36)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:30)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:147)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:170)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:127)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:170)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getRootExec(ImplCreator.java:101)
~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getExec(ImplCreator.java:79) ~[drill-java-exec-1.4.0.jar:1.4.0]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:230)
[drill-java-exec-1.4.0.jar:1.4.0]
        ... 4 common frames omitted
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown table engine
'PERFORMANCE_SCHEMA'
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.8.0_51]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
~[na:1.8.0_51]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
~[na:1.8.0_51]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:422) ~[na:1.8.0_51]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.Util.getInstance(Util.java:387) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:939) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3878) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3814) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2547) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2505) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.DatabaseMetaData$2.forEach(DatabaseMetaData.java:2415) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.DatabaseMetaData$2.forEach(DatabaseMetaData.java:2313) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:50) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at com.mysql.jdbc.DatabaseMetaData.getColumns(DatabaseMetaData.java:2311) ~[mysql-connector-java-5.1.38-bin.jar:5.1.38]
        at org.apache.commons.dbcp.DelegatingDatabaseMetaData.getColumns(DelegatingDatabaseMetaData.java:218)
~[commons-dbcp-1.4.jar:1.4]
        at org.apache.calcite.adapter.jdbc.JdbcSchema.getRelDataType(JdbcSchema.java:253)
~[calcite-core-1.4.0-drill-1.4.0-mapr-r1.jar:1.4.0-drill-1.4.0-mapr-r1]
at org.apache.calcite.adapter.jdbc.JdbcSchema.getRelDataType(JdbcSchema.java:245) ~[calcite-core-1.4.0-drill-1.4.0-mapr-r1.jar:1.4.0-drill-1.4.0-mapr-r1]
        at org.apache.calcite.adapter.jdbc.JdbcTable.getRowType(JdbcTable.java:97) ~[calcite-core-1.4.0-drill-1.4.0-mapr-r1.jar:1.4.0-drill-1.4.0-mapr-r1]
        ... 18 common frames omitted
2016-01-27 03:32:11,254 [CONTROL-rpc-event-queue] WARN  o.a.drill.exec.work.foreman.Foreman
- Dropping request to move to COMPLETED state as query is already at FAILED state (which is
terminal).
2016-01-27 03:32:11,255 [CONTROL-rpc-event-queue] WARN  o.a.d.e.w.b.ControlMessageHandler
- Dropping request to cancel fragment. 29584453-e69f-ed0a-7401-7a278aa54475:0:0 does not exist.

{/log}






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