[update]: schema in models

app/models/account.py

@@ -2,6 +2,9 @@ from datetime import datetime
 from app import db
 
 class Account(db.Model):
+    __tablename__ = 'accounts'
+    __table_args__ = {'schema': 'flask_app'} 
+
     id = db.Column(db.String(50), primary_key=True)  
     customer_id = db.Column(db.String(50), db.ForeignKey('customer.id'), nullable=False)
     account_type = db.Column(db.String(50))

app/models/customer.py

@@ -2,6 +2,9 @@ from datetime import datetime
 from app import db
 
 class Customer(db.Model):
+    __tablename__ = 'customers'
+    __table_args__ = {'schema': 'flask_app'} 
+
     id = db.Column(db.String(50), primary_key=True) 
     msisdn = db.Column(db.String(20), unique=True, nullable=False)
     country_code = db.Column(db.String(3), nullable=False)

app/models/loan.py

@@ -3,6 +3,9 @@ from app import db
 
 
 class Loan(db.Model):
+    __tablename__ = 'loans'
+    __table_args__ = {'schema': 'flask_app'} 
+
     id = db.Column(db.String(50), primary_key=True) 
     customer_id = db.Column(db.String(50), db.ForeignKey('customer.id'), nullable=False)
     account_id = db.Column(db.String(50), db.ForeignKey('account.id'), nullable=False)

app/models/offer.py

@@ -2,6 +2,9 @@ from datetime import datetime
 from app import db
 
 class Offer(db.Model):
+    __tablename__ = 'offers'
+    __table_args__ = {'schema': 'flask_app'} 
+
     id = db.Column(db.Integer, primary_key=True)
     amount = db.Column(db.Float, nullable=False)
     interest_rate = db.Column(db.Float, nullable=False)

app/models/transaction.py

@@ -2,6 +2,9 @@ from datetime import datetime
 from app import db
 
 class Transaction(db.Model):
+    __tablename__ = 'transactions'
+    __table_args__ = {'schema': 'flask_app'} 
+
     id = db.Column(db.String(50), primary_key=True)
     account_id = db.Column(db.String(50), db.ForeignKey('account.id'), nullable=False)
     type = db.Column(db.String(50), nullable=False)

migrations/env.py

@@ -1,113 +0,0 @@
-import logging
-from logging.config import fileConfig
-
-from flask import current_app
-
-from alembic import context
-
-# this is the Alembic Config object, which provides
-# access to the values within the .ini file in use.
-config = context.config
-
-# Interpret the config file for Python logging.
-# This line sets up loggers basically.
-fileConfig(config.config_file_name)
-logger = logging.getLogger('alembic.env')
-
-
-def get_engine():
-    try:
-        # this works with Flask-SQLAlchemy<3 and Alchemical
-        return current_app.extensions['migrate'].db.get_engine()
-    except (TypeError, AttributeError):
-        # this works with Flask-SQLAlchemy>=3
-        return current_app.extensions['migrate'].db.engine
-
-
-def get_engine_url():
-    try:
-        return get_engine().url.render_as_string(hide_password=False).replace(
-            '%', '%%')
-    except AttributeError:
-        return str(get_engine().url).replace('%', '%%')
-
-
-# add your model's MetaData object here
-# for 'autogenerate' support
-# from myapp import mymodel
-# target_metadata = mymodel.Base.metadata
-config.set_main_option('sqlalchemy.url', get_engine_url())
-target_db = current_app.extensions['migrate'].db
-
-# other values from the config, defined by the needs of env.py,
-# can be acquired:
-# my_important_option = config.get_main_option("my_important_option")
-# ... etc.
-
-
-def get_metadata():
-    if hasattr(target_db, 'metadatas'):
-        return target_db.metadatas[None]
-    return target_db.metadata
-
-
-def run_migrations_offline():
-    """Run migrations in 'offline' mode.
-
-    This configures the context with just a URL
-    and not an Engine, though an Engine is acceptable
-    here as well.  By skipping the Engine creation
-    we don't even need a DBAPI to be available.
-
-    Calls to context.execute() here emit the given string to the
-    script output.
-
-    """
-    url = config.get_main_option("sqlalchemy.url")
-    context.configure(
-        url=url, target_metadata=get_metadata(), literal_binds=True
-    )
-
-    with context.begin_transaction():
-        context.run_migrations()
-
-
-def run_migrations_online():
-    """Run migrations in 'online' mode.
-
-    In this scenario we need to create an Engine
-    and associate a connection with the context.
-
-    """
-
-    # this callback is used to prevent an auto-migration from being generated
-    # when there are no changes to the schema
-    # reference: http://alembic.zzzcomputing.com/en/latest/cookbook.html
-    def process_revision_directives(context, revision, directives):
-        if getattr(config.cmd_opts, 'autogenerate', False):
-            script = directives[0]
-            if script.upgrade_ops.is_empty():
-                directives[:] = []
-                logger.info('No changes in schema detected.')
-
-    conf_args = current_app.extensions['migrate'].configure_args
-    if conf_args.get("process_revision_directives") is None:
-        conf_args["process_revision_directives"] = process_revision_directives
-
-    connectable = get_engine()
-
-    with connectable.connect() as connection:
-        context.configure(
-            connection=connection,
-            target_metadata=get_metadata(),
-            **conf_args
-        )
-
-        with context.begin_transaction():
-            context.run_migrations()
-
-
-if context.is_offline_mode():
-    run_migrations_offline()
-else:
-    run_migrations_online()