Stamatis Zampetakis created HIVE-26441:
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Summary: Add DatabaseAccessor unit tests for all methods and
supported DBMS
Key: HIVE-26441
URL: https://issues.apache.org/jira/browse/HIVE-26441
Project: Hive
Issue Type: Test
Components: JDBC storage handler
Reporter: Stamatis Zampetakis
The
[DatabaseAccessor|https://github.com/apache/hive/blob/9909edee8dad841e15fc36df81a2316bcb381bc3/jdbc-handler/src/main/java/org/apache/hive/storage/jdbc/dao/DatabaseAccessor.java]
interface provides various APIs and has multiple concrete implementations one
for each supported DBMS.
There are a few end-to-end tests for JDBC storage handler (see
[relevant|https://github.com/search?q=repo%3Aapache%2Fhive+filename%3A*jdbc*.q+extension%3Aq+filename%3A*jdbc*&type=Code]
qfiles) and also a few unit tests
([TestGenericJdbcDatabaseAccessor|https://github.com/apache/hive/blob/9909edee8dad841e15fc36df81a2316bcb381bc3/jdbc-handler/src/test/java/org/apache/hive/storage/jdbc/dao/TestGenericJdbcDatabaseAccessor.java])
but we do not have enough coverage.
Ideally we should have unit tests for each method present in the top level
interface and for each supported DBMS. The goal of this JIRA is to add more
unit tests, similar to what {{TestGenericJdbcDatabaseAccessor}} is doing,
covering more methods, use-cases, and DBMS.
The scope of this JIRA can get quite big so it makes sense to create additional
sub-tasks for addressing specific cases.
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