feat(db): Use named database constraints

This commit is contained in:
Ferdinand Thiessen 2021-12-18 01:48:12 +01:00
parent 53ed2d9d1a
commit a3ccd6cea1
1 changed files with 23 additions and 1 deletions

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@ -1,9 +1,31 @@
from flask_sqlalchemy import SQLAlchemy from flask_sqlalchemy import SQLAlchemy
from sqlalchemy import MetaData
db = SQLAlchemy() # https://alembic.sqlalchemy.org/en/latest/naming.html
metadata = MetaData(
naming_convention={
"pk": "pk_%(table_name)s",
"ix": "ix_%(table_name)s_%(column_0_name)s",
"uq": "uq_%(table_name)s_%(column_0_name)s",
"ck": "ck_%(table_name)s_%(constraint_name)s",
"fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
}
)
db = SQLAlchemy(metadata=metadata)
def case_sensitive(s): def case_sensitive(s):
"""
Compare string as case sensitive on the database
Args:
s: string to compare
Example:
User.query.filter(User.name == case_sensitive(some_string))
"""
if db.session.bind.dialect.name == "mysql": if db.session.bind.dialect.name == "mysql":
from sqlalchemy import func from sqlalchemy import func