Probably this needs to be switched off from in invenio-db
$ invenio demo init
....
Importing bibliographic records
2017-07-28 12:56:31,969 INFO sqlalchemy.engine.base.Engine SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1
INFO [sqlalchemy.engine.base.Engine] SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1
2017-07-28 12:56:31,969 INFO sqlalchemy.engine.base.Engine ()
INFO [sqlalchemy.engine.base.Engine] ()
2017-07-28 12:56:31,973 INFO sqlalchemy.engine.base.Engine SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1
INFO [sqlalchemy.engine.base.Engine] SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1
2017-07-28 12:56:31,974 INFO sqlalchemy.engine.base.Engine ()
INFO [sqlalchemy.engine.base.Engine] ()
2017-07-28 12:56:31,975 INFO sqlalchemy.engine.base.Engine BEGIN (implicit)
INFO [sqlalchemy.engine.base.Engine] BEGIN (implicit)
2017-07-28 12:56:31,975 INFO sqlalchemy.engine.base.Engine BEGIN
INFO [sqlalchemy.engine.base.Engine] BEGIN
2017-07-28 12:56:31,976 INFO sqlalchemy.engine.base.Engine ()
Probably this needs to be switched off from in invenio-db