Improve Hive Metastore Migration Reliability and Code Quality (aws-samples#165)

* refactor(hive): improve metastore migration code quality and compatibility

- Add proper logging configuration with StreamHandler and formatter
- Fix method order in classes by moving __init__ to top
- Add compatibility fix for Hive 3.0.0+ by handling CTLG_NAME column
- Update AWS regions list with current supported regions
- Clean up code style and formatting
- Add docstring for _write_dbs_table method explaining Hive compatibility

* feat: Reformat the code black8 and isort to be more pythonic. Adding more hive schema changes

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Co-authored-by: Andor Markus <andor.markus@allcloud.io>

Author: andormarkus

utilities/Hive_metastore_migration/src/export_from_datacatalog.py

@@ -33,11 +33,8 @@ def change_schemas(sql_context, databases, tables, partitions):
 
 
 def datacatalog_migrate_to_hive_metastore(sc, sql_context, databases, tables, partitions, connection):
-
     hive_metastore = HiveMetastore(connection, sql_context)
-
     transform_databases_tables_partitions(sc, sql_context, hive_metastore, databases, tables, partitions)
-
     hive_metastore.export_to_metastore()