ashniku opened a new pull request, #6370:
URL: https://github.com/apache/hive/pull/6370
…/DROP table
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### What changes were proposed in this pull request?
I have mofified "MetaStoreUtils.java", updated "hasCatalogName" to return
true only if the database name both starts with the catalog marker (@) and
contains the catalog-database separator (#).
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### Why are the changes needed?
The issue is caused by MetaStoreUtils.hasCatalogName incorrectly identifying
database names that start with the '@' character as catalog-prepended names.
This leads to a failure in MetaStoreUtils.parseDbName when it tries to split
the name using the '#' separator, which is missing in regular database names
starting with '@'.
Proposed Changes
[Metastore Common]
[MODIFY] MetaStoreUtils.java
Update **hasCatalogName**
to return true only if the database name both starts with the catalog
marker (@) and contains the catalog-database separator (#).
### Does this PR introduce _any_ user-facing change?
NO
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### How was this patch tested?
CREATE DATABASE `@test`;
USE `@test`;
CREATE TABLE testtable (c1 INT);
ALTER TABLE testtable ADD COLUMNS (c2 INT);
DROP TABLE testtable;
DROP DATABASE `@test`;
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