public static ICreateIndexNonKeyColumnSyntax Include(this ICreateIndexOnColumnSyntax expression, string columnName)
{
var additionalFeatures = expression as ISupportAdditionalFeatures;
additionalFeatures.Include(columnName);
return(new CreateIndexExpressionNonKeyBuilder(expression, additionalFeatures));
}
public static ICreateIndexNonKeyColumnSyntax UsingSpgist(this ICreateIndexOnColumnSyntax expression)
{
var additionalFeatures = expression as ISupportAdditionalFeatures;
additionalFeatures.Using(Algorithm.Spgist);
return(new CreateIndexExpressionNonKeyBuilder(expression, additionalFeatures));
}
public static ICreateIndexOnColumnSyntax OnColumn(
this ICreateIndexOnColumnSyntax columnSyntax,
string columnName,
Func <ICreateIndexColumnOptionsSyntax, ICreateIndexOnColumnSyntax> columnOptions
)
{
var column = columnSyntax.OnColumn(columnName);
return(columnOptions.Invoke(column));
}
public static ICreateIndexOnColumnSyntax OnColumns(this ICreateIndexOnColumnSyntax syntax, params string[] columns)
{
return(columns
.Select(x => syntax.OnColumn(x).Ascending())
.Last());
}
public CreateIndexExpressionNonKeyBuilder(ICreateIndexOnColumnSyntax expression, ISupportAdditionalFeatures supportAdditionalFeatures)
{
Expression = expression;
SupportAdditionalFeatures = supportAdditionalFeatures;
}
