EF Core modifies Migration and updates database tables

Scenes

It is necessary to modify the name, fields, primary keys, and indexes of a database table through EF Migration.

Generally, when a table is renamed, the generated ef migration will delete the old table and create a new table. If you do not want to delete the old table, you need to modify the generated migration.

protected override void Up(MigrationBuilder migrationBuilder)
{
			migrationBuilder.RenameTable(
                name: "oldTableName",
                newName: "newTableName");

            migrationBuilder.DropPrimaryKey(
                name: "old_pk",
                table: "newTableName");

            migrationBuilder.AddPrimaryKey("new_pk", "newTableName", "columnName");

            migrationBuilder.RenameIndex(
                name: "old_indexName",
                newName: "new_indexName",
                table: "newTableName");
            
            migrationBuilder.RenameColumn("old_columnName", "newTableName", "new_columnName");

}

protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.RenameTable(
                name: "newTableName",
                newName: "oldTableName");

            migrationBuilder.DropPrimaryKey(
                name: "new_pk",
                table: "oldTableName");

            migrationBuilder.AddPrimaryKey("old_pk", "oldTableName", "coumnName");
            
            migrationBuilder.RenameIndex(
                name: "new_indexName",
                newName: "old_indexName",
                table: "oldTableName");
                
			migrationBuilder.RenameColumn("new_columnName", "oldTableName", "old_columnName");

        }