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-------------------------------------------------------------------------------
-- --
-- GNADE : GNu Ada Database Environment --
-- --
-- Author : Juergen Pfeifer <juergen.pfeifer@gmx.net>
--
-- Copyright (C) 2000-2002 Juergen Pfeifer
-- --
-- GNADE is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNADE is implemented to work with GNAT, the GNU Ada compiler. --
-- --
-------------------------------------------------------------------------------
#if DEBUG then
with GNU.DB.SQLCLI.Dispatch.Debug;
pragma Elaborate_All (GNU.DB.SQLCLI.Dispatch.Debug);
#end if;
with GNU.DB.SQLCLI;
pragma Elaborate_All (GNU.DB.SQLCLI);
package body GNU.DB.SQLCLI.Statement_Attribute is
#if DEBUG then
package DD is new Dispatch.Debug;
#end if;
procedure Register_String_Attributes;
procedure Get_Stmt_Attr (StatementHandle : in SQLHSTMT;
Attribute : in SQL_STATEMENT_ATTRIBUTE;
Value : in SQLPOINTER;
Length : in out SQLINTEGER;
Data : in SQLSMALLINT;
ErrorCode : access SQLRETURN)
is
pragma Unreferenced (Data);
function GetStmtAttr (StatementHandle : SQLHSTMT;
Attribute : SQL_STATEMENT_ATTRIBUTE;
Value : SQLPOINTER;
BufferLength : SQLINTEGER;
pStringLength : access SQLINTEGER)
return SQLRETURN;
pragma Import ($CALLCONVENTION, GetStmtAttr, "SQLGetStmtAttr");
#if UNICODE then
function GetStmtAttrW (StatementHandle : SQLHSTMT;
Attribute : SQL_STATEMENT_ATTRIBUTE;
Value : SQLPOINTER;
BufferLength : SQLINTEGER;
pStringLength : access SQLINTEGER)
return SQLRETURN;
pragma Import ($CALLCONVENTION, GetStmtAttrW, "SQLGetStmtAttrW");
#end if;
Len : aliased SQLINTEGER := Length;
RC : SQLRETURN;
begin
if Unicode_Attr_Flag then
#if UNICODE then
RC := GetStmtAttrW (StatementHandle,
Attribute,
Value,
Len,
Len'Access);
#else
RC := SQL_ADA95_NO_UNICODE;
Length := 0;
#end if;
else
RC := GetStmtAttr (StatementHandle,
Attribute,
Value,
Len,
Len'Access);
end if;
ErrorCode.all := RC;
if Is_SQL_Ok (RC) then
Length := Len;
end if;
end Get_Stmt_Attr;
procedure Set_Stmt_Attr (StatementHandle : in SQLHSTMT;
Attribute : in SQL_STATEMENT_ATTRIBUTE;
Value : in SQLPOINTER;
Length : in SQLINTEGER;
Data : in SQLSMALLINT;
ErrorCode : out SQLRETURN)
is
pragma Unreferenced (Data);
function SetStmtAttr (StatementHandle : SQLHSTMT;
Attribute : SQL_STATEMENT_ATTRIBUTE;
Value : SQLPOINTER;
StringLength : SQLINTEGER)
return SQLRETURN;
pragma Import ($CALLCONVENTION, SetStmtAttr, "SQLSetStmtAttr");
#if UNICODE then
function SetStmtAttrW (StatementHandle : SQLHSTMT;
Attribute : SQL_STATEMENT_ATTRIBUTE;
Value : SQLPOINTER;
StringLength : SQLINTEGER)
return SQLRETURN;
pragma Import ($CALLCONVENTION, SetStmtAttrW, "SQLSetStmtAttrW");
#end if;
RC : SQLRETURN;
begin
if Unicode_Attr_Flag then
#if UNICODE then
RC := SetStmtAttrW (StatementHandle,
Attribute,
Value,
Length);
#else
RC := SQL_ADA95_NO_UNICODE;
#end if;
else
RC := SetStmtAttr (StatementHandle,
Attribute,
Value,
Length);
end if;
ErrorCode := RC;
end Set_Stmt_Attr;
function SQLGetStmtAttr
(StatementHandle : SQLHSTMT;
Attribute : SQL_STATEMENT_ATTRIBUTE;
MaxLength : SQLSMALLINT := SQL_MAX_OPTION_STRING_LENGTH;
ErrorCode : access SQLRETURN)
return Statement_Attribute'Class is
use type Dispatch.Attr_Get_Func;
F : constant Dispatch.Attr_Get_Func := Dispatch.Get_Func (Attribute);
begin
if F = null then
Raise_SQL_Error ("SQLGetStmtAttr",
SQL_STATEMENT_ATTRIBUTE'Image (Attribute) &
Attr_Not_Supported_Msg);
else
return F.all (StatementHandle,
Attribute,
MaxLength,
0,
ErrorCode);
end if;
end SQLGetStmtAttr;
function SQLGetStmtAttr
(StatementHandle : SQLHSTMT;
Attribute : SQL_STATEMENT_ATTRIBUTE;
MaxLength : SQLSMALLINT := SQL_MAX_OPTION_STRING_LENGTH)
return Statement_Attribute'Class is
RC : aliased SQLRETURN;
Result : constant Statement_Attribute'Class :=
SQLGetStmtAttr (StatementHandle, Attribute, MaxLength, RC'Access);
begin
Check_SQL_Error (RC => RC,
ProcedureName => "SQLGetStmtAttr",
HandleType => SQL_HANDLE_STMT,
Handle => StatementHandle);
return Result;
end SQLGetStmtAttr;
function SQLSetStmtAttr (StatementHandle : in SQLHSTMT;
AV_Pair : in Statement_Attribute'Class)
return SQLRETURN
is
use type Dispatch.Attr_Set_Proc;
F : constant Dispatch.Attr_Set_Proc :=
Dispatch.Set_Proc (AV_Pair.Attribute);
ErrorCode : SQLRETURN;
begin
if F = null then
Raise_SQL_Error
("SQLSetStmtAttr",
SQL_STATEMENT_ATTRIBUTE'Image (AV_Pair.Attribute) &
Attr_Not_Supported_Msg);
else
F.all (StatementHandle, AV_Pair, 0, ErrorCode);
end if;
return ErrorCode;
end SQLSetStmtAttr;
procedure SQLSetStmtAttr (StatementHandle : in SQLHSTMT;
AV_Pair : in Statement_Attribute'Class)
is
RC : constant SQLRETURN := SQLSetStmtAttr (StatementHandle, AV_Pair);
begin
Check_SQL_Error (RC => RC,
ProcedureName => "SQLSetStmtAttr",
HandleType => SQL_HANDLE_STMT,
Handle => StatementHandle);
end SQLSetStmtAttr;
procedure Register_String_Attributes is
begin
if Unicode_Attr_Flag then
null;
else
null;
end if;
end Register_String_Attributes;
begin
SA_Unsigned.Register (SQL_ROWSET_SIZE);
SA_Unsigned.Register (SQL_ATTR_ROW_BIND_TYPE);
SA_Unsigned.Register (SQL_ATTR_PARAM_BIND_TYPE);
SA_Unsigned.Register (SQL_ATTR_ROW_NUMBER);
SA_Unsigned.Register (SQL_ATTR_KEYSET_SIZE);
SA_Unsigned.Register (SQL_ATTR_MAX_LENGTH);
SA_Unsigned.Register (SQL_ATTR_MAX_ROWS);
SA_Unsigned.Register (SQL_ATTR_PARAMSET_SIZE);
SA_Unsigned.Register (SQL_ATTR_QUERY_TIMEOUT);
SA_Unsigned.Register (SQL_ATTR_ROW_ARRAY_SIZE);
SA_Unsigned.Register (SQL_ATTR_FETCH_BOOKMARK_PTR);
SA_PointerSUInt.Register (SQL_ATTR_ROW_STATUS_PTR);
SA_PointerSUInt.Register (SQL_ATTR_PARAM_STATUS_PTR);
SA_PointerSUInt.Register (SQL_ATTR_PARAM_OPERATION_PTR);
SA_PointerSUInt.Register (SQL_ATTR_ROW_OPERATION_PTR);
SA_PointerUInt.Register (SQL_ATTR_PARAMS_PROCESSED_PTR);
SA_PointerUInt.Register (SQL_ATTR_ROW_BIND_OFFSET_PTR);
SA_PointerUInt.Register (SQL_ATTR_ROWS_FETCHED_PTR);
SA_PointerUInt.Register (SQL_ATTR_PARAM_BIND_OFFSET_PTR);
SA_Context.Register (SQL_ATTR_APP_PARAM_DESC);
SA_Context.Register (SQL_ATTR_APP_ROW_DESC);
SA_Context.Register (SQL_ATTR_IMP_ROW_DESC);
SA_Context.Register (SQL_ATTR_IMP_PARAM_DESC);
SA_Boolean.Register (SQL_ATTR_METADATA_ID);
SA_Boolean.Register (SQL_ATTR_ENABLE_AUTO_IPD);
Register_String_Attributes;
Register_Initializer (Register_String_Attributes'Access);
#if DEBUG then
DD.Verify;
#end if;
end GNU.DB.SQLCLI.Statement_Attribute;
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