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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. --
-- --
-------------------------------------------------------------------------------
with GNU.DB.SQLCLI;
with GNU.DB.SQLCLI.Generic_Attr;
with GNU.DB.SQLCLI.Dispatch;
with GNU.DB.SQLCLI.Dispatch.A_Unsigned;
with GNU.DB.SQLCLI.Dispatch.A_String;
with GNU.DB.SQLCLI.Dispatch.A_Enumerated;
with GNU.DB.SQLCLI.Dispatch.A_Boolean;
pragma Elaborate_All (GNU.DB.SQLCLI.Generic_Attr);
pragma Elaborate_All (GNU.DB.SQLCLI.Dispatch);
pragma Elaborate_All (GNU.DB.SQLCLI.Dispatch.A_Unsigned);
pragma Elaborate_All (GNU.DB.SQLCLI.Dispatch.A_String);
pragma Elaborate_All (GNU.DB.SQLCLI.Dispatch.A_Enumerated);
pragma Elaborate_All (GNU.DB.SQLCLI.Dispatch.A_Boolean);
package GNU.DB.SQLCLI.Environment_Attribute is
type SQL_ENVIRONMENT_ATTRIBUTE is (SQL_ATTR_ODBC_VERSION,
SQL_ATTR_CONNECTION_POOLING,
SQL_ATTR_CP_MATCH,
SQL_ATTR_OUTPUT_NTS);
for SQL_ENVIRONMENT_ATTRIBUTE use (SQL_ATTR_ODBC_VERSION => 200,
SQL_ATTR_CONNECTION_POOLING => 201,
SQL_ATTR_CP_MATCH => 202,
SQL_ATTR_OUTPUT_NTS => 10001);
for SQL_ENVIRONMENT_ATTRIBUTE'Size use SQLINTEGER'Size;
procedure Get_Env_Attr (EnvironmentHandle : in SQLHENV;
Attribute : in SQL_ENVIRONMENT_ATTRIBUTE;
Value : in SQLPOINTER;
Length : in out SQLINTEGER;
Data : in SQLSMALLINT;
ErrorCode : access SQLRETURN);
pragma Inline (Get_Env_Attr);
procedure Set_Env_Attr (EnvironmentHandle : in SQLHENV;
Attribute : in SQL_ENVIRONMENT_ATTRIBUTE;
Value : in SQLPOINTER;
Length : in SQLINTEGER;
Data : in SQLSMALLINT;
ErrorCode : out SQLRETURN);
pragma Inline (Set_Env_Attr);
-- Despite what the ODBC API says, apparently 'Value' must be the
-- _value_ of the attribute, not a pointer to the value! However,
-- we must use SQLPOINTER here to match the profile for
-- GNU.DB.SQLCLI.Generic_Attr. There's a hack in
-- GNU.DB.SQLCLI.Generic_Attr.Enumerated_Attribute.SetAttr to pass
-- the value as SQLPOINTER (FIXME!).
package Environment_Attributes is new GNU.DB.SQLCLI.Generic_Attr
(Context => SQLHENV,
T => SQL_ENVIRONMENT_ATTRIBUTE,
Base => SQLINTEGER,
Aux => SQLSMALLINT,
Get => Get_Env_Attr,
Set => Set_Env_Attr,
Default_Context => Null_Handle);
subtype
Environment_Attribute is Environment_Attributes.Attribute_Value_Pair;
package Dispatch is new GNU.DB.SQLCLI.Dispatch (Environment_Attributes);
package EA_String is new Dispatch.A_String;
subtype Environment_Attribute_String is EA_String.Info;
package EA_Unsigned is new Dispatch.A_Unsigned (SQLUINTEGER);
subtype Environment_Attribute_Unsigned is EA_Unsigned.Info;
package EA_Boolean is new Dispatch.A_Boolean (SQLUINTEGER);
subtype Environment_Attribute_Boolean is EA_Boolean.Info;
-- ----------------------------------------------------------------------
type CONNECTION_POOLING is (SQL_CP_OFF,
SQL_CP_ONE_PER_DRIVER,
SQL_CP_ONE_PER_HENV);
for CONNECTION_POOLING'Size use SQLINTEGER'Size;
SQL_CP_DEFAULT : constant CONNECTION_POOLING := SQL_CP_OFF;
package Dsp_Connection_Pooling is new
Dispatch.A_Enumerated (SQL_ATTR_CONNECTION_POOLING,
CONNECTION_POOLING,
SQLINTEGER,
"CONNECTION_POOLING");
subtype Environment_Attribute_Pooling is
Dsp_Connection_Pooling.Info;
-- ----------------------------------------------------------------------
type CONNECTION_POOLING_MATCH is (SQL_CP_STRICT_MATCH,
SQL_CP_RELAXED_MATCH);
for CONNECTION_POOLING_MATCH'Size use SQLINTEGER'Size;
SQL_CP_MATCH_DEFAULT : constant CONNECTION_POOLING_MATCH
:= SQL_CP_STRICT_MATCH;
package Dsp_Connection_Pooling_Match is new
Dispatch.A_Enumerated (SQL_ATTR_CP_MATCH,
CONNECTION_POOLING_MATCH,
SQLINTEGER,
"CONNECTION_POOLING_MATCH");
subtype Environment_Attribute_Pooling_Match is
Dsp_Connection_Pooling_Match.Info;
-- ----------------------------------------------------------------------
type SQL_ODBC_VERSION is (SQL_OV_ODBC2,
SQL_OV_ODBC3);
for SQL_ODBC_VERSION use (SQL_OV_ODBC2 => 2,
SQL_OV_ODBC3 => 3);
for SQL_ODBC_VERSION'Size use SQLINTEGER'Size;
package Dsp_SQL_ODBC_Version is new
Dispatch.A_Enumerated (SQL_ATTR_ODBC_VERSION,
SQL_ODBC_VERSION,
SQLINTEGER,
"SQL_ODBC_VERSION");
subtype Environment_Attribute_ODBC_Version is
Dsp_SQL_ODBC_Version.Info;
-- ----------------------------------------------------------------------
function SQLSetEnvAttr
(EnvironmentHandle : SQLHENV;
AttrRec : Environment_Attribute'Class) return SQLRETURN;
procedure SQLSetEnvAttr
(EnvironmentHandle : in SQLHENV;
AttrRec : in Environment_Attribute'Class);
-- Sets an environment attribute.
function SQLGetEnvAttr
(EnvironmentHandle : SQLHENV;
Attribute : SQL_ENVIRONMENT_ATTRIBUTE;
MaxLength : SQLSMALLINT := SQL_MAX_OPTION_STRING_LENGTH;
ErrorCode : access SQLRETURN)
return Environment_Attribute'Class;
-- This version returns an ErrorCode when an ODBC error occurs
function SQLGetEnvAttr
(EnvironmentHandle : SQLHENV;
Attribute : SQL_ENVIRONMENT_ATTRIBUTE;
MaxLength : SQLSMALLINT := SQL_MAX_OPTION_STRING_LENGTH)
return Environment_Attribute'Class;
-- This version raises an exception when an ODBC error occurs
end GNU.DB.SQLCLI.Environment_Attribute;
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