Add sub organization model

compendium_v2/db/model.py

@@ -90,3 +90,12 @@ class ParentOrganization(base_schema):
     nren = relationship(NREN, lazy='joined')
     year = sa.Column(sa.Integer, primary_key=True)
     organization = sa.Column(sa.String(128), nullable=False)
+
+
+class SubOrganization(base_schema):
+    __tablename__ = 'sub_organization'
+    nren_id = sa.Column(sa.Integer, sa.schema.ForeignKey(NREN.id), primary_key=True)
+    nren = relationship(NREN, lazy='joined')
+    year = sa.Column(sa.Integer, primary_key=True)
+    organization = sa.Column(sa.String(128), primary_key=True)
+    role = sa.Column(sa.String(128), nullable=False)

compendium_v2/migrations/versions/faf15719e2c6_add_sub_org_model.py

+"""Add sub org model
+
+Revision ID: faf15719e2c6
+Revises: 23ff6e527796
+Create Date: 2023-04-24 12:44:41.741545
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'faf15719e2c6'
+down_revision = '23ff6e527796'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'sub_organization',
+        sa.Column('nren_id', sa.Integer(), nullable=False),
+        sa.Column('year', sa.Integer(), nullable=False),
+        sa.Column('organization', sa.String(length=128), nullable=False),
+        sa.Column('role', sa.String(length=128), nullable=False),
+        sa.ForeignKeyConstraint(['nren_id'], ['nren.id'], name=op.f('fk_sub_organization_nren_id_nren')),
+        sa.PrimaryKeyConstraint('nren_id', 'year', 'organization', name=op.f('pk_sub_organization'))
+    )
+
+
+def downgrade():
+    op.drop_table('sub_organization')