/// <summary>
/// Gets table schema
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dbCtx"></param>
/// <param name="obj"></param>
/// <returns></returns>
public static string GetTableSchema <T>(this System.Data.Entity.DbContext dbCtx, T obj)
{
var mappings = dbCtx.GetMappings(obj);
// Find the storage entity set (table) that the entity is mapped
var table = mappings
.EntityTypeMappings.Single()
.Fragments.Single()
.StoreEntitySet;
// Return the table name from the storage entity set
return((string)table.MetadataProperties["Schema"].Value ?? table.Schema);
}
/// <summary>
/// Gets a mapped column name
/// Based on https://romiller.com/2015/08/05/ef6-1-get-mapping-between-properties-and-columns/
/// </summary>
/// <param name="dbCtx"></param>
/// <param name="obj"></param>
/// <param name="propertyName"></param>
/// <returns></returns>
public static string GetTableColumnName <T>(this System.Data.Entity.DbContext dbCtx, T obj, string propertyName)
{
var mappings = dbCtx.GetMappings(obj);
// Find the storage property (column) that the property is mapped
var columnName = mappings
.EntityTypeMappings.Single()
.Fragments.Single()
.PropertyMappings
.OfType <ScalarPropertyMapping>()
.Single(m => m.Property.Name == propertyName)
.Column
.Name;
return(columnName);
}
