anitakar commented on a change in pull request #16311:
URL: https://github.com/apache/airflow/pull/16311#discussion_r649373985
##########
File path: airflow/utils/db.py
##########
@@ -561,10 +571,21 @@ def create_default_connections(session=None):
)
-def initdb():
+@provide_session
+def initdb(session=None):
"""Initialize Airflow database."""
+ if session.connection().dialect.name == 'postgresql':
+ log.info('Acquiring lock on database')
+ session.connection().execute('select PG_ADVISORY_LOCK(1);')
+
upgradedb()
+ if session.connection().dialect.name == 'mysql' and
session.connection().dialect.server_version_info >= (
+ 5,
+ 6,
+ ):
+ session.connection().execute("select GET_LOCK('db_init',1800);")
Review comment:
Done
##########
File path: airflow/migrations/env.py
##########
@@ -101,9 +101,6 @@ def run_migrations_online():
with context.begin_transaction():
if connection.dialect.name == 'mysql' and
connection.dialect.server_version_info >= (5, 6):
connection.execute("select GET_LOCK('alembic',1800);")
- if connection.dialect.name == 'postgresql':
- context.get_context()._ensure_version_table() # pylint:
disable=protected-access
- connection.execute("LOCK TABLE alembic_version IN ACCESS
EXCLUSIVE MODE")
Review comment:
Done
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