[
https://issues.apache.org/jira/browse/TAJO-1675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703218#comment-14703218
]
ASF GitHub Bot commented on TAJO-1675:
--------------------------------------
Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/653#discussion_r37430341
--- Diff:
tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/MemStore.java
---
@@ -598,6 +598,27 @@ public boolean existPartitionMethod(String
databaseName, String tableName)
return protos;
}
+ public List<TablePartitionKeyProto> getAllPartitionKeys() {
+ List<TablePartitionKeyProto> protos = new
ArrayList<TablePartitionKeyProto>();
+ Set<String> partitionTables = partitions.keySet();
+ for (String partitionTable : partitionTables) {
+ Map<String, CatalogProtos.PartitionDescProto> entryMap =
partitions.get(partitionTable);
+ for (Map.Entry<String, CatalogProtos.PartitionDescProto> proto :
entryMap.entrySet()) {
+ CatalogProtos.PartitionDescProto partitionDescProto =
proto.getValue();
+
+ for (PartitionKeyProto partitionKey :
partitionDescProto.getPartitionKeysList()) {
+ TablePartitionKeyProto.Builder builder =
TablePartitionKeyProto.newBuilder();
+ builder.setColumnName(partitionKey.getColumnName());
+ builder.setPartitionValue(partitionKey.getPartitionValue());
+ builder.setPartitionId(0);
--- End diff --
partition id is always 0.
> NPE when selecting data from information_schema.partition_keys
> --------------------------------------------------------------
>
> Key: TAJO-1675
> URL: https://issues.apache.org/jira/browse/TAJO-1675
> Project: Tajo
> Issue Type: Bug
> Components: Catalog
> Reporter: Jihoon Son
> Assignee: Jaehwa Jung
> Fix For: 0.11.0
>
>
> See the title.
> You can reproduce as follows.
> {noformat}
> default> create table partitioned_nation (n_name text, n_comment text)
> partition by column (n_nationkey int8, n_regionkey int8) ;
> OK
> default> insert into partitioned_nation select * from nation;
> default> \d partitioned_nation
> table name: default.partitioned_nation
> table uri: hdfs://localhost:7020/tajo/warehouse/default/partitioned_nation
> store type: CSV
> number of rows: 0
> volume: 0 B
> Options:
> 'text.delimiter'='|'
> schema:
> n_name TEXT
> n_comment TEXT
> Partitions:
> type:COLUMN
> columns::n_nationkey (INT8), n_regionkey (INT8)
> default> \c information_schema
> You are now connected to database "information_schema" as user "jihoonson".
> information_schema> select * from partition_keys;
> partition_id, column_name, partition_value
> -------------------------------
> ERROR: java.lang.NullPointerException
> java.sql.SQLException: java.lang.NullPointerException
> at
> org.apache.tajo.jdbc.TajoResultSetBase.next(TajoResultSetBase.java:717)
> at
> org.apache.tajo.cli.tsql.DefaultTajoCliOutputFormatter.printResult(DefaultTajoCliOutputFormatter.java:105)
> at
> org.apache.tajo.cli.tsql.TajoCli.localQueryCompleted(TajoCli.java:558)
> at org.apache.tajo.cli.tsql.TajoCli.executeQuery(TajoCli.java:532)
> at
> org.apache.tajo.cli.tsql.TajoCli.executeParsedResults(TajoCli.java:447)
> at org.apache.tajo.cli.tsql.TajoCli.runShell(TajoCli.java:419)
> at org.apache.tajo.cli.tsql.TajoCli.main(TajoCli.java:692)
> Caused by: java.io.IOException: java.lang.NullPointerException
> at org.apache.tajo.jdbc.FetchResultSet.nextTuple(FetchResultSet.java:80)
> at
> org.apache.tajo.jdbc.TajoResultSetBase.next(TajoResultSetBase.java:711)
> ... 6 more
> Caused by: com.google.protobuf.ServiceException:
> java.lang.NullPointerException
> at
> org.apache.tajo.client.QueryClientImpl.fetchNextQueryResult(QueryClientImpl.java:360)
> at
> org.apache.tajo.client.TajoClientImpl.fetchNextQueryResult(TajoClientImpl.java:134)
> at org.apache.tajo.jdbc.FetchResultSet.nextTuple(FetchResultSet.java:62)
> ... 7 more
> {noformat}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
