Hongxu Ma created HAWQ-1279:
-------------------------------
Summary: Force to recompute namespace_path when enable_ranger
Key: HAWQ-1279
URL: https://issues.apache.org/jira/browse/HAWQ-1279
Project: Apache HAWQ
Issue Type: Sub-task
Reporter: Hongxu Ma
Assignee: Ed Espino
namespace_path is cached in each psql session and it the cache invalidation is
triggered by Grant/Revoke SQL.
When enable_ranger, Grant/Revoke SQL is no longer use, so the cache prevent a
ack-check request sending.
Example:
```
// create table t(i int); => failed
[{""resource"":{""database"":""postgres"",""schema"":""pg_catalog""},""privileges"":[""usage""],""allowed"":true}]
[{""resource"":{""database"":""postgres"",""schema"":""pg_catalog""},""privileges"":[""usage""],""allowed"":true}]
[{""resource"":{""database"":""postgres"",""schema"":""public""},""privileges"":[""usage""],""allowed"":false}]
// grant usage and create permissions to public schema in ranger and try again
=> failed again
[{""resource"":{""database"":""postgres"",""schema"":""pg_catalog""},""privileges"":[""usage""],""allowed"":true}]
[{""resource"":{""database"":""postgres"",""schema"":""pg_catalog""},""privileges"":[""usage""],""allowed"":true}]
// why not send a request for USAGE??
```
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