Make route.route_short_name a text col

app/models/gtfs/route.py

@@ -20,7 +20,7 @@ class Route(Base, ToJSONMixin, Versioned, GTFSBase):
     agency_id = Column(types.Integer, ForeignKey("agency.agency_id",
                        onupdate="CASCADE",
                        ondelete="SET NULL"))
-    route_short_name = Column(types.String(50))
+    route_short_name = Column(types.Text())
     route_long_name = Column(types.String(150))
     route_desc = Column(types.String(150))
     route_type = Column(types.String(50))

migrations/versions/444bb0eb07bc_change_column_type_on_route_route_short_.py

@@ -0,0 +1,40 @@
+"""Change column type on route.route_short_name
+
+Revision ID: 444bb0eb07bc
+Revises: 1a6e215d57c2
+Create Date: 2018-06-28 09:33:04.268147
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '444bb0eb07bc'
+down_revision = '1a6e215d57c2'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('routes', 'route_short_name',
+               existing_type=sa.VARCHAR(length=50),
+               type_=sa.Text(),
+               existing_nullable=True)
+    op.alter_column('routes_version', 'route_short_name',
+               existing_type=sa.VARCHAR(length=50),
+               type_=sa.Text(),
+               existing_nullable=True)
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('routes', 'route_short_name',
+               existing_type=sa.Text(),
+               type_=sa.VARCHAR(length=50),
+               existing_nullable=True)
+    op.alter_column('routes_version', 'route_short_name',
+               existing_type=sa.Text(),
+               type_=sa.VARCHAR(length=50),
+               existing_nullable=True)
+    ### end Alembic commands ###