public override TableMetaInfo GetTableMetaInfo(Type type)
{
IModel model = db.Model;
IEntityType entityType = model.FindEntityType(type);
IEntityType[] allEntityTypes = model.GetEntityTypes().ToArray();
IProperty[] entityProperties = entityType.GetProperties().ToArray();
IRelationalEntityTypeAnnotations mapping = entityType.Relational();
EFPropertyInfo[] pProperties = new EFPropertyInfo[entityProperties.Length];
// Column info
for (int i = 0; i < entityProperties.Length; i++) // (var property in entityProperties) {
{
IProperty prop = entityProperties[i];
IRelationalPropertyAnnotations rProp = prop.Relational();
if (rProp == null || rProp.ColumnName.IsNulle())
{
continue;
}
bool isIndex = prop.IsIndex();
var idx1 = prop.GetContainingKeys().ToArray();
EFPropertyInfo pInfo = new EFPropertyInfo()
{
EntityName = prop.Name,
ColumnName = rProp.ColumnName,
IsIdentity = false,
IsKey = prop.IsKey(),
IsIndex = isIndex,
IsPrimaryKey = prop.IsPrimaryKey()
};
string columnType = rProp.ColumnType;
pProperties[i] = pInfo;
}
;
var info = new TableMetaInfo()
{
TableName = mapping.TableName, //table.Table, // watch out! not table.Name
TableSchema = mapping.Schema, //table.Schema,
TypeNameFull = entityType.Name, // or: == type.FullName,
TypeName = type.Name,
TableColumnNames = pProperties.Select(p => p.ColumnName).Where(n => n.NotNulle()).ToArray(), //declaredProps.Select(dp => dp.Name).ToArray(),
EntityPropertyNames = pProperties.Select(p => p.EntityName).Where(n => n.NotNulle()).ToArray(), //mapped.Select(dd => dd.Name).ToArray()
KeyColumnNames = pProperties.Where(p => p != null && p.IsKey).Select(p => p.ColumnName).ToArray(), // table.ElementType.KeyMembers.Select(m => m.Name).ToArray(),
};
return(info);
}
private static string GetTableName <T>(this DbContext context)
{
IRelationalEntityTypeAnnotations entityTypeAnnotations = context.Model
.FindEntityType(typeof(T))
.Relational();
string schema = entityTypeAnnotations.Schema;
string table = entityTypeAnnotations.TableName;
return(string.IsNullOrWhiteSpace(schema)
? $"[{table}]"
: $"[{schema}].[{table}]");
}
public virtual async Task UpsertDtoAsync <TDto>(TDto dto) // https://github.com/aspnet/EntityFrameworkCore/issues/9249
where TDto : class, IDto
{
if (dto == null)
{
throw new ArgumentNullException(nameof(dto));
}
if (((IsSyncDbContext)this).IsSyncDbContext == false && dto is ISyncableDto syncableDto)
{
Entry(syncableDto).Property("IsSynced").CurrentValue = false;
}
TypeInfo dtoType = dto.GetType().GetTypeInfo();
IEntityType efCoreDtoType = Model.FindEntityType(dtoType);
IRelationalEntityTypeAnnotations dtoTypeRelationalInfo = efCoreDtoType.Relational();
string tableName = $"[{dtoTypeRelationalInfo.TableName}]"; // No schema support
var props = efCoreDtoType.GetProperties()
.Select(p => new { p.Name, Value = Entry(dto).Property(p.Name).CurrentValue })
.ToArray();
foreach (INavigation nav in efCoreDtoType.GetNavigations())
{
if (nav.ClrType.GetCustomAttribute <ComplexTypeAttribute>() == null)
{
continue;
}
object navInstance = nav.PropertyInfo.GetValue(dto);
if (navInstance == null)
{
continue;
}
props = props.Union(nav.ClrType.GetProperties()
.Select(p => new { Name = $"{nav.Name}_{p.Name}", Value = p.GetValue(navInstance) }))
.ToArray();
}
string sql = $"INSERT OR REPLACE INTO {tableName} ({string.Join(",", props.Select(p => $"[{p.Name}]"))}) VALUES({string.Join(",", props.Select((p, i) => $"{{{i}}}"))})";
await Database.ExecuteSqlCommandAsync(sql, props.Select(p => p.Value)).ConfigureAwait(false);
}
} // End Function GetAsSelectList
public List <string> ListTableNames()
{
List <string> lsTables = new List <string>();
// var mapping = _context.Model.FindEntityType(typeof(string)).Relational();
// string schema = mapping.Schema;
// string tableName = mapping.TableName;
foreach (IEntityType et in this.m_ctx.Model.GetEntityTypes())
{
IRelationalEntityTypeAnnotations rel = et.Relational();
// string schema = rel.Schema;
string table = rel.TableName;
// System.Console.WriteLine(table, schema);
lsTables.Add(table);
} // Next et
return(lsTables);
} // End Function ListTableNames
private static string Format(IRelationalEntityTypeAnnotations annotations) => (string.IsNullOrEmpty(annotations.Schema) ? "" : annotations.Schema + ".") + annotations.TableName;
public static DatabaseColumn GetColumn(this DatabaseModel model, IRelationalEntityTypeAnnotations table, IRelationalPropertyAnnotations column)
{
return(GetColumn(model, table.Schema, table.TableName, column.ColumnName));
}
public static bool ColumnExists(this DatabaseModel model,
IRelationalEntityTypeAnnotations table,
IRelationalPropertyAnnotations column)
{
return(ColumnExists(model, table.Schema, table.TableName, column.ColumnName));
}
public static DatabaseTable GetTable(this DatabaseModel model, IRelationalEntityTypeAnnotations table)
{
return(GetTable(model, table.Schema ?? model.DefaultSchema, table.TableName));
}
public static bool TableExists(this DatabaseModel model, IRelationalEntityTypeAnnotations table)
{
return(TableExists(model, table.Schema ?? model.DefaultSchema, table.TableName));
}
public string GetTableName()
{
IRelationalEntityTypeAnnotations relationalEntityType = _entityType.Relational();
return($"[{relationalEntityType.Schema}].[{relationalEntityType.TableName}]");
}
public static string FormSchemaTable(this IRelationalEntityTypeAnnotations eRel)
{
return(FormSchemaTable(eRel.Schema, eRel.TableName));
}