[DRILL-7415] Information schema query fails for postgres foreign tables

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.16.0
• Fix Version/s: 1.18.0
• Assignee: Igor Guzenko
• Reporter: Igor Guzenko
• Created: 21/Oct/19 13:22
• Updated: 02/Jan/20 16:50
• Resolved: 02/Jan/20 16:50

Description

1) Setup a JDBC driver in Drill to Postgres
2) Create a public foreign tables like below in postgres

public | vessel | foreign table | postgres
public | vessel_movement | foreign table | postgres
public | vessel_movement_hist | foreign table | postgres
3) Execute query in Drill

SELECT * FROM `INFORMATION_SCHEMA`.`TABLES`;

Actual result

Caused by: java.lang.IllegalArgumentException: Multiple entries with same key: vessel=JdbcTable {vessel} and vessel=JdbcTable {vessel}
        at com.google.common.collect.ImmutableMap.checkNoConflict(ImmutableMap.java:136) ~[guava-19.0.jar:na]
        at com.google.common.collect.RegularImmutableMap.checkNoConflictInKeyBucket(RegularImmutableMap.java:98) ~[guava-19.0.jar:na]
        at com.google.common.collect.RegularImmutableMap.fromEntryArray(RegularImmutableMap.java:84) ~[guava-19.0.jar:na]
        at com.google.common.collect.ImmutableMap$Builder.build(ImmutableMap.java:295) ~[guava-19.0.jar:na]
        at org.apache.calcite.adapter.jdbc.JdbcSchema.computeTables(JdbcSchema.java:269) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at org.apache.calcite.adapter.jdbc.JdbcSchema.getTableMap(JdbcSchema.java:285) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at org.apache.calcite.adapter.jdbc.JdbcSchema.getTableNames(JdbcSchema.java:410) ~[calcite-core-1.18.0-drill-r0.jar:1.18.0-drill-r0]
        at org.apache.drill.exec.store.jdbc.JdbcStoragePlugin$CapitalizingJdbcSchema.getTableNames(JdbcStoragePlugin.java:282) ~[drill-jdbc-storage-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.AbstractSchema.getTableNamesAndTypes(AbstractSchema.java:299) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator$Tables.visitTables(InfoSchemaRecordGenerator.java:340) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:254) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:247) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:247) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaRecordGenerator.scanSchema(InfoSchemaRecordGenerator.java:234) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaTableType.getRecordReader(InfoSchemaTableType.java:58) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:34) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.store.ischema.InfoSchemaBatchCreator.getBatch(InfoSchemaBatchCreator.java:30) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:159) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:182) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getRecordBatch(ImplCreator.java:137) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getChildren(ImplCreator.java:182) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getRootExec(ImplCreator.java:110) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.physical.impl.ImplCreator.getExec(ImplCreator.java:87) ~[drill-java-exec-1.16.0.jar:1.16.0]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:263) [drill-java-exec-1.16.0.jar:1.16.0]

Issue Links

• relates to: DRILL-7406 Update Calcite to 1.21.0