/// <summary>
/// The PostgreSQL index NULL sort ordering to be used.
/// </summary>
/// <remarks>
/// https://www.postgresql.org/docs/current/static/indexes-ordering.html
/// </remarks>
/// <param name="indexBuilder">The builder for the index being configured.</param>
/// <param name="values">The sort order to use for each column.</param>
/// <returns>A builder to further configure the index.</returns>
public static IndexBuilder HasNullSortOrder(
this IndexBuilder indexBuilder,
params NullSortOrder[]?values)
{
Check.NotNull(indexBuilder, nameof(indexBuilder));
Check.NullButNotEmpty(values, nameof(values));
if (!SortOrderHelper.IsDefaultNullSortOrder(values, indexBuilder.Metadata.IsDescending))
{
indexBuilder.Metadata.SetNullSortOrder(values);
}
return(indexBuilder);
}
/// <summary>
/// The PostgreSQL index NULL sort ordering to be used.
/// </summary>
/// <remarks>
/// https://www.postgresql.org/docs/current/static/indexes-ordering.html
/// </remarks>
/// <param name="indexBuilder">The builder for the index being configured.</param>
/// <param name="values">The sort order to use for each column.</param>
/// <returns>A builder to further configure the index.</returns>
public static IndexBuilder HasNullSortOrder(
[NotNull] this IndexBuilder indexBuilder,
[CanBeNull] params NullSortOrder[] values)
{
Check.NotNull(indexBuilder, nameof(indexBuilder));
Check.NullButNotEmpty(values, nameof(values));
var sortOrders = indexBuilder.Metadata.GetSortOrder();
if (!SortOrderHelper.IsDefaultNullSortOrder(values, sortOrders))
{
indexBuilder.Metadata.SetNullSortOrder(values);
}
return(indexBuilder);
}
/// <summary>
/// The PostgreSQL index NULL sort ordering to be used.
/// </summary>
/// <remarks>
/// https://www.postgresql.org/docs/current/static/indexes-ordering.html
/// </remarks>
/// <param name="indexBuilder">The builder for the index being configured.</param>
/// <param name="values">The sort order to use for each column.</param>
/// <param name="fromDataAnnotation">Indicates whether the configuration was specified using a data annotation.</param>
/// <returns>A builder to further configure the index.</returns>
public static IConventionIndexBuilder?HasNullSortOrder(
this IConventionIndexBuilder indexBuilder,
IReadOnlyList <NullSortOrder>?values,
bool fromDataAnnotation)
{
if (indexBuilder.CanSetNullSortOrder(values, fromDataAnnotation))
{
if (!SortOrderHelper.IsDefaultNullSortOrder(values, indexBuilder.Metadata.IsDescending))
{
indexBuilder.Metadata.SetNullSortOrder(values, fromDataAnnotation);
}
return(indexBuilder);
}
return(null);
}
/// <summary>
/// The PostgreSQL index NULL sort ordering to be used.
/// </summary>
/// <remarks>
/// https://www.postgresql.org/docs/current/static/indexes-ordering.html
/// </remarks>
/// <param name="indexBuilder">The builder for the index being configured.</param>
/// <param name="values">The sort order to use for each column.</param>
/// <param name="fromDataAnnotation">Indicates whether the configuration was specified using a data annotation.</param>
/// <returns>A builder to further configure the index.</returns>
public static IConventionIndexBuilder HasNullSortOrder(
[NotNull] this IConventionIndexBuilder indexBuilder,
[CanBeNull] IReadOnlyList <NullSortOrder> values,
bool fromDataAnnotation)
{
if (indexBuilder.CanSetNullSortOrder(values, fromDataAnnotation))
{
var sortOrders = indexBuilder.Metadata.GetSortOrder();
if (!SortOrderHelper.IsDefaultNullSortOrder(values, sortOrders))
{
indexBuilder.Metadata.SetNullSortOrder(values, fromDataAnnotation);
}
return(indexBuilder);
}
return(null);
}