[IMPALA-3596] REFRESH table duplicates column metadata

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: Kudu_Impala
• Fix Version/s: Kudu_Impala
• Component/s: Catalog
• Labels: crash
• Assignee: casey
• Reporter: Todd Lipcon
• Created: 23/May/16 18:30
• Updated: 24/May/16 18:03
• Resolved: 24/May/16 18:03

Description

This is basically the same issue as IMPALA-3373, but with the REFRESH command:

[vd0238.halxg.cloudera.com:21000] > describe spark_write_test;
Query: describe spark_write_test
+-----------------+--------+---------+
| name            | type   | comment |
+-----------------+--------+---------+
| l_orderkey      | bigint |         |
| l_linenumber    | bigint |         |
| l_partkey       | bigint |         |
| l_suppkey       | bigint |         |
| l_quantity      | double |         |
| l_extendedprice | double |         |
| l_discount      | double |         |
| l_tax           | double |         |
| l_returnflag    | string |         |
| l_linestatus    | string |         |
| l_shipdate      | string |         |
| l_commitdate    | string |         |
| l_receiptdate   | string |         |
| l_shipinstruct  | string |         |
| l_shipmode      | string |         |
| l_shipcomment   | string |         |
+-----------------+--------+---------+
Fetched 16 row(s) in 0.01s
[vd0238.halxg.cloudera.com:21000] > refresh spark_write_test;
Query: refresh spark_write_test

Fetched 0 row(s) in 0.06s
[vd0238.halxg.cloudera.com:21000] > describe spark_write_test;
Query: describe spark_write_test
+-----------------+--------+---------+
| name            | type   | comment |
+-----------------+--------+---------+
| l_orderkey      | bigint |         |
| l_linenumber    | bigint |         |
| l_partkey       | bigint |         |
| l_suppkey       | bigint |         |
| l_quantity      | double |         |
| l_extendedprice | double |         |
| l_discount      | double |         |
| l_tax           | double |         |
| l_returnflag    | string |         |
| l_linestatus    | string |         |
| l_shipdate      | string |         |
| l_commitdate    | string |         |
| l_receiptdate   | string |         |
| l_shipinstruct  | string |         |
| l_shipmode      | string |         |
| l_shipcomment   | string |         |
| l_orderkey      | bigint |         |
| l_linenumber    | bigint |         |
| l_partkey       | bigint |         |
| l_suppkey       | bigint |         |
| l_quantity      | double |         |
| l_extendedprice | double |         |
| l_discount      | double |         |
| l_tax           | double |         |
| l_returnflag    | string |         |
| l_linestatus    | string |         |
| l_shipdate      | string |         |
| l_commitdate    | string |         |
| l_receiptdate   | string |         |
| l_shipinstruct  | string |         |
| l_shipmode      | string |         |
| l_shipcomment   | string |         |
+-----------------+--------+---------+
Fetched 32 row(s) in 0.02s

Issue Links

• is related to: IMPALA-3373 Computing stats on Kudu table duplicates the columns