Rename column name & column enum variant

[billy1624]

Resolve #194

[tyt2y3]

We need some unit tests

Ref:

sea-orm/src/entity/column.rs

Lines 415 to 439 in beb3ec6

	mod hello {
	use crate as sea_orm;
	use crate::entity::prelude::*;
	#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
	#[sea_orm(table_name = "hello")]
	pub struct Model {
	#[sea_orm(primary_key)]
	pub id: i32,
	pub one: i32,
	#[sea_orm(unique)]
	pub two: i32,
	#[sea_orm(indexed)]
	pub three: i32,
	#[sea_orm(nullable)]
	pub four: i32,
	#[sea_orm(unique, indexed, nullable)]
	pub five: i32,
	}
	#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
	pub enum Relation {}
	impl ActiveModelBehavior for ActiveModel {}
	}

[tyt2y3]

)))

[billy1624]

Unit tests added 088bfd0

[tyt2y3]

Nice!