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https://issues.apache.org/jira/browse/IMPALA-9602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17279695#comment-17279695
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Quanlong Huang commented on IMPALA-9602:
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This is also merged in 3.x branch:
https://github.com/apache/impala/commit/6364f4eaa162612092b34c18861ac644ac56d90c
> Local catalog cache treats db and table names as case-sensitive
> ---------------------------------------------------------------
>
> Key: IMPALA-9602
> URL: https://issues.apache.org/jira/browse/IMPALA-9602
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog, Frontend
> Affects Versions: Impala 3.4.0
> Reporter: Aman Sinha
> Assignee: Aman Sinha
> Priority: Major
> Fix For: Impala 4.0
>
>
> Start up Impala with local catalog enabled.
> {noformat}
> start-impala-cluster.py --catalogd_args="--catalog_topic_mode=minimal"
> --impalad_args="--use_local_catalog=true"
> {noformat}
> Then create a database 'db1' and a table and run the sequence of DROP, CREATE
> table with an upper-case database name (using upper-case is important for the
> repro)..this throws an AnalysisException:
> {noformat}
> create database db1;
> use db1;
> create table ddl_test1 (val string);
> Run the DROP / CREATE using upper-case database name DB1:
> $ impala-shell -q "drop table if exists DB1.ddl_test1 purge; create table
> DB1.ddl_test1 (val string);"
> Server version: impalad version 3.4.0-SNAPSHOT DEBUG (build
> 76061331781e67b90d7750abadfaf8b013dc64a5)
> Query: drop table if exists DB1.ddl_test1 purge
> +-------------------------+
> | summary |
> +-------------------------+
> | Table has been dropped. |
> +-------------------------+
> Fetched 1 row(s) in 0.68s
> Query: create table DB1.ddl_test1 (val string)
> ERROR: AnalysisException: Table already exists: DB1.ddl_test1
> Could not execute command: create table DB1.ddl_test1 (val string)
> {noformat}
> NOTE: The above sequence may have to be run a few times. Also using either
> lower-case name 'db1' instead of 'DB1' or running with the remote catalog
> does not reproduce the problem.
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