/// <summary>
/// Adds the specified column to the targeted table only if the column doesn't exist.
///
/// <para>Note: The method automatically resolve the type of the column.</para>
/// </summary>
///
/// <typeparam name="Table">The Table where we should search for the column type.</typeparam>
/// <param name="self">The instance of the Cassandra Fluent Migrator helper.</param>
/// <param name="table">The table to which we want to add the new column.</param>
/// <param name="column">The new column.</param>
/// <param name="shouldBeFrozen">Define if the type should be treated as a frozen type or not.</param>
/// <returns>The Cassandra Fluent Migrator helper.</returns>
///
/// <exception cref="NullReferenceException">Thrown when one or all the specified arguments are invalid or null.</exception>
/// <exception cref="ObjectNotFoundException">Thrown when the table doesn't exists.</exception>
public static async Task <ICassandraFluentMigrator> AddColumnAsync <Table>([NotNull] this ICassandraFluentMigrator self, [NotNull] string table, [NotNull] string column, bool shouldBeFrozen = false)
where Table : class
{
Check.NotNull(self, $"The argument [cassandra fluent migrator]");
Check.NotEmptyNotNull(table, $"The argument [{nameof(table)}]");
Check.NotEmptyNotNull(column, $"The argument [{nameof(column)}]");
var typeName = self.GetColumnType <Table>(column, shouldBeFrozen);
return(await self.ExecuteAddColumnAsync(table, column, typeName));
}
/// <summary>
/// Adds the specified column to the targeted table only if the column doesn't exist.
/// </summary>
///
/// <param name="self">The instance of the Cassandra Fluent Migrator helper.</param>
/// <param name="table">The table to which we want to add the new column.</param>
/// <param name="column">The new column.</param>
/// <param name="type">The column type.</param>
/// <param name="shouldBeFrozen">Define if the type should be treated as a frozen type or not.</param>
/// <returns>The Cassandra Fluent Migrator helper.</returns>
///
/// <exception cref="NullReferenceException">Thrown when one or all the specified arguments are invalid or null.</exception>
/// <exception cref="ObjectNotFoundException">Thrown when the table doesn't exists.</exception>
public static async Task <ICassandraFluentMigrator> AddColumnAsync([NotNull] this ICassandraFluentMigrator self, [NotNull] string table, [NotNull] string column, [NotNull] Type type, bool shouldBeFrozen = false)
{
// Validate the parameters.
Check.NotNull(self, $"The argument [cassandra fluent migrator]");
Check.NotNull(type, $"The argument [{nameof(type)}]");
Check.NotEmptyNotNull(table, $"The argument [table]");
Check.NotEmptyNotNull(column, $"The argument [{nameof(column)}]");
return(await self.ExecuteAddColumnAsync(table, column, type.GetCqlType(shouldBeFrozen)));
}