[IMPALA-8434] Alter Db leads to functions missing unless run "refresh functions"

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Impala 3.0, Impala 3.1.0, Impala 3.2.0
• Fix Version/s: Impala 3.3.0
• Epic Color: ghx-label-9
• Assignee: Quanlong Huang
• Reporter: Xiaomeng Zhang
• Created: 18/Apr/19 21:34
• Updated: 26/Jul/19 21:40
• Resolved: 26/Jul/19 04:26

Description

I was testing on master branch. In a database with java and native functions. Run queries below, all functions are missing after alter db until run "refresh functions" in db.

[localhost:21000] xm> show functions;
Query: show functions
+-------------+------------------------+-------------+---------------+
| return type | signature | binary type | is persistent |
+-------------+------------------------+-------------+---------------+
| STRING | add10impala(STRING) | JAVA | true |
| STRING | add10udf(STRING) | JAVA | true |
| INT | add2(INT, INT) | NATIVE | true |
| INT | add2xm(INT, INT) | NATIVE | true |
| INT | addtwomaster(INT, INT) | NATIVE | true |
+-------------+------------------------+-------------+---------------+
Fetched 5 row(s) in 0.01s
[localhost:21000] xm> alter database xm set owner user impala218;
Query: alter database xm set owner user impala218
+-------------------+
| summary |
+-------------------+
| Updated database. |
+-------------------+
Fetched 1 row(s) in 0.59s
[localhost:21000] xm> show functions;
Query: show functions
Fetched 0 row(s) in 0.01s
[localhost:21000] xm> refresh functions xm;
Query: refresh functions xm
Query submitted at: 2019-04-18 14:19:00 (Coordinator: http://xiaomeng-OptiPlex-9020:25000)
Query progress can be monitored at: http://xiaomeng-OptiPlex-9020:25000/query_plan?query_id=fa40cdffde223550:df2a6cc000000000
Fetched 0 row(s) in 0.08s
[localhost:21000] xm> show functions;
Query: show functions
+-------------+------------------------+-------------+---------------+
| return type | signature | binary type | is persistent |
+-------------+------------------------+-------------+---------------+
| STRING | add10impala(STRING) | JAVA | true |
| STRING | add10udf(STRING) | JAVA | true |
| INT | add2(INT, INT) | NATIVE | true |
| INT | add2xm(INT, INT) | NATIVE | true |
| INT | addtwomaster(INT, INT) | NATIVE | true |
+-------------+------------------------+-------------+---------------+
Fetched 5 row(s) in 0.00s

 

Issue Links

• blocks: IMPALA-8149 Add support for alter_database events