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if Object.Is_Modified (5) then
Stmt.Save_Field (Name => COL_4_3_NAME, -- content
Value => Object.Content);
Object.Clear_Modified (5);
end if;
if Object.Is_Modified (6) then
Stmt.Save_Field (Name => COL_5_3_NAME, -- count
Value => Object.Count);
Object.Clear_Modified (6);
end if;
if Object.Is_Modified (7) then
Stmt.Save_Field (Name => COL_6_3_NAME, -- first_value
Value => Object.First_Value);
Object.Clear_Modified (7);
end if;
if Object.Is_Modified (8) then
Stmt.Save_Field (Name => COL_7_3_NAME, -- format
Value => Integer (Format_Type'Pos (Object.Format)));
Object.Clear_Modified (8);
end if;
if Object.Is_Modified (9) then
Stmt.Save_Field (Name => COL_8_3_NAME, -- source_id
Value => Object.Source);
Object.Clear_Modified (9);
end if;
if Object.Is_Modified (10) then
Stmt.Save_Field (Name => COL_9_3_NAME, -- snapshot_id
Value => Object.Snapshot);
Object.Clear_Modified (10);
end if;
if Stmt.Has_Save_Fields then
Object.Version := Object.Version + 1;
Stmt.Save_Field (Name => "version",
Value => Object.Version);
Stmt.Set_Filter (Filter => "id = ? and version = ?");
Stmt.Add_Param (Value => Object.Get_Key);
Stmt.Add_Param (Value => Object.Version - 1);
declare
Result : Integer;
begin
Stmt.Execute (Result);
if Result /= 1 then
if Result /= 0 then
raise ADO.Objects.UPDATE_ERROR;
else
raise ADO.Objects.LAZY_LOCK;
end if;
end if;
Function Definition: procedure Unchecked_Free is new Ada.Unchecked_Deallocation
Function Body: (Description_Impl, Description_Impl_Ptr);
pragma Warnings (Off, "*redundant conversion*");
Ptr : Description_Impl_Ptr := Description_Impl (Object.all)'Access;
pragma Warnings (On, "*redundant conversion*");
begin
Unchecked_Free (Ptr);
end Destroy;
procedure Find (Object : in out Description_Impl;
Session : in out ADO.Sessions.Session'Class;
Query : in ADO.SQL.Query'Class;
Found : out Boolean) is
Stmt : ADO.Statements.Query_Statement
:= Session.Create_Statement (Query, DESCRIPTION_DEF'Access);
begin
Stmt.Execute;
if Stmt.Has_Elements then
Object.Load (Stmt, Session);
Stmt.Next;
Found := not Stmt.Has_Elements;
else
Found := False;
end if;
end Find;
overriding
procedure Load (Object : in out Description_Impl;
Session : in out ADO.Sessions.Session'Class) is
Found : Boolean;
Query : ADO.SQL.Query;
Id : constant ADO.Identifier := Object.Get_Key_Value;
begin
Query.Bind_Param (Position => 1, Value => Id);
Query.Set_Filter ("id = ?");
Object.Find (Session, Query, Found);
if not Found then
raise ADO.Objects.NOT_FOUND;
end if;
end Load;
procedure Save (Object : in out Description_Impl;
Session : in out ADO.Sessions.Master_Session'Class) is
Stmt : ADO.Statements.Update_Statement
:= Session.Create_Statement (DESCRIPTION_DEF'Access);
begin
if Object.Is_Modified (1) then
Stmt.Save_Field (Name => COL_0_1_NAME, -- id
Value => Object.Get_Key);
Object.Clear_Modified (1);
end if;