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https://issues.apache.org/jira/browse/IMPALA-8918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17035825#comment-17035825
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Vihang Karajgaonkar commented on IMPALA-8918:
---------------------------------------------
I think with the event processing turned ON this issue does not exist and we
can close this as "Won't Do". [~stigahuang] thoughts?
> Drop-Table-If-Exists can't drop unloaded table
> ----------------------------------------------
>
> Key: IMPALA-8918
> URL: https://issues.apache.org/jira/browse/IMPALA-8918
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 3.3.0
> Reporter: Quanlong Huang
> Priority: Critical
>
> "unloaded" in the title means Impala does know the table name.
> If a table is created in Hive and haven't been run INVALIDATE METADATA in
> Impala, Drop-Table-If-Exists on it will always return results as "Table does
> not exist."
> Repro:
> {code:java}
> $ beeline -u "jdbc:hive2://localhost:11050/default;" -e "create table abcd (i
> int)"
> $ bin/impala-shell.sh
> [localhost:21000] default> drop table if exists abcd;
> Query: drop table if exists abcd
> +-----------------------+
> | summary |
> +-----------------------+
> | Table does not exist. |
> +-----------------------+
> Fetched 1 row(s) in 0.04s
> [localhost:21000] default> invalidate metadata abcd;
> Query: invalidate metadata abcd
> Query submitted at: 2019-09-04 06:03:19 (Coordinator:
> http://quanlong-OptiPlex-7060:25000)
> Query progress can be monitored at:
> http://quanlong-OptiPlex-7060:25000/query_plan?query_id=c34120fc1891edae:38a6bf0700000000
> Fetched 0 row(s) in 0.05s
> [localhost:21000] default> drop table if exists abcd;
>
>
> Query: drop table if exists abcd
> +-------------------------+
> | summary |
> +-------------------------+
> | Table has been dropped. |
> +-------------------------+
> Fetched 1 row(s) in 3.91s {code}
> Drop-Table-If-Exists should be able to drop such kind of a table.
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