CODE EXAMPLE FOR SQL

postgres connection check

from sqlalchemy import event
from sqlalchemy import create_engine

engine = create_engine("postgresql+psycopg2://scott:tiger@host/dbname")

@event.listens_for(engine, "connect", insert=True)
def set_search_path(dbapi_connection, connection_record):
    existing_autocommit = dbapi_connection.autocommit
    dbapi_connection.autocommit = True
    cursor = dbapi_connection.cursor()
    cursor.execute("SET SESSION search_path='%s'" % schema_name)
    cursor.close()
    dbapi_connection.autocommit = existing_autocommit