[KUDU-2428] Segmentation fault when calling add_range_partition multiple times

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Invalid
• Affects Version/s: 1.7.0
• Fix Version/s: Backlog
• Component/s: client
• Target Version/s: 1.7.0
• Assignee: Unassigned
• Reporter: Mike Feng
• Created: 04/May/18 18:37
• Updated: 07/May/18 17:12
• Resolved: 07/May/18 17:12

Description

Hi,

I'm trying to modify and run the following sample.cc program to create a table with multiple range partitions via multiple calls to add_range_partition() and the program got a Segmentation fault. 

On the other hand, if I call add_range_partition() once and the program runs fine.  

So I'm wondering if calling add_range_partition() multiple times for a single table is supported or not?  This makes it useful when trying to partition the range on multiple primary key columns, e.g. on (key, int_val).

Thanks.

 

Modified only the following function in $HOME/kudu/src/kudu/client/samples/sample.cc

static Status CreateTable(const shared_ptr<KuduClient>& client,
 const string& table_name,
 const KuduSchema& schema,
 int num_tablets) {

KuduPartialRow* row = schema.NewRow();
 KUDU_CHECK_OK(row->SetInt32("key", 100));

KuduPartialRow* row2 = schema.NewRow();
 KUDU_CHECK_OK(row2->SetInt32("key", 100));

KuduPartialRow* row3 = schema.NewRow();
 KUDU_CHECK_OK(row3->SetInt32("key", 200));

KuduPartialRow* row4 = schema.NewRow();
 KUDU_CHECK_OK(row4->SetInt32("key", 200));

vector<string> column_names;
 column_names.push_back("key");

// Create the table.
 KuduTableCreator* table_creator = client->NewTableCreator();
 table_creator->add_range_partition(row, row2);
 table_creator->add_range_partition(row2, row3);
 table_creator->add_range_partition(row3, row4);


 Status s = table_creator->table_name(table_name)
 .schema(&schema)
 .set_range_partition_columns(column_names)
.set_engine_name(DEFAULT_ENGINE_NAME)
 .num_replicas(1)
 .Create();
 delete table_creator;
 return s;
}

 

Running it fails as follows:

$ ./sample 127.0.0.1

Segmentation fault (core dumped)