trunk/runtime/IBDatabaseInfo.pas

{************************************************************************}
{                                                                        }
{       Borland Delphi Visual Component Library                          }
{       InterBase Express core components                                }
{                                                                        }
{       Copyright (c) 1998-2000 Inprise Corporation                      }
{                                                                        }
{    InterBase Express is based in part on the product                   }
{    Free IB Components, written by Gregory H. Deatz for                 }
{    Hoagland, Longo, Moran, Dunst & Doukas Company.                     }
{    Free IB Components is used under license.                           }
{                                                                        }
{    The contents of this file are subject to the InterBase              }
{    Public License Version 1.0 (the "License"); you may not             }
{    use this file except in compliance with the License. You            }
{    may obtain a copy of the License at http://www.Inprise.com/IPL.html }
{    Software distributed under the License is distributed on            }
{    an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either              }
{    express or implied. See the License for the specific language       }
{    governing rights and limitations under the License.                 }
{    Portions created by Inprise Corporation are Copyright (C) Inprise   }
{       Corporation. All Rights Reserved.                                }
{    Contributor(s): Jeff Overcash                                       }
{                                                                        }
{    IBX For Lazarus (Firebird Express)                                  }
{    Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
{    Portions created by MWA Software are copyright McCallum Whyman      }
{    Associates Ltd 2011 - 2018                                               }
{                                                                        }
{************************************************************************}

unit IBDatabaseInfo;

{$Mode Delphi}

interface

uses
  SysUtils, Classes, IB, IBExternals, IBDatabase;

type

  { TIBDatabaseInfo }

  TIBDatabaseInfo = class(TComponent)
  private
    function GetDateDBCreated: TDateTime;
    function GetEncrypted: boolean;
    function GetEncryptionKeyName: string;
    function GetPagesFree: Long;
    function GetPagesUsed: Long;
    function GetTransactionCount: Long;
  protected
    FDatabase: TIBDatabase;
    FUserNames   : TStringList;
    FBackoutCount: TStringList;
    FDeleteCount: TStringList;
    FExpungeCount: TStringList;
    FInsertCount: TStringList;
    FPurgeCount: TStringList;
    FReadIdxCount: TStringList;
    FReadSeqCount: TStringList;
    FUpdateCount: TStringList;
    procedure CheckDatabase;
    function GetAllocation: Long;
    function GetBaseLevel: Long;
    function GetDBFileName: String;
    function GetDBSiteName: String;
    function GetDBImplementationNo: Long;
    function GetDBImplementationClass: Long;
    function GetNoReserve: Long;
    function GetODSMinorVersion: Long;
    function GetODSMajorVersion: Long;
    function GetPageSize: Long;
    function GetVersion: String;
    function GetCurrentMemory: Long;
    function GetForcedWrites: Long;
    function GetMaxMemory: Long;
    function GetNumBuffers: Long;
    function GetSweepInterval: Long;
    function GetUserNames: TStringList;
    function GetFetches: Long;
    function GetMarks: Long;
    function GetReads: Long;
    function GetWrites: Long;
    function GetBackoutCount: TStringList;
    function GetDeleteCount: TStringList;
    function GetExpungeCount: TStringList;
    function GetInsertCount: TStringList;
    function GetPurgeCount: TStringList;
    function GetReadIdxCount: TStringList;
    function GetReadSeqCount: TStringList;
    function GetUpdateCount: TStringList;
    function GetOperationCounts(DBInfoCommand: Integer; var FOperation: TStringList): TStringList;
    function GetReadOnly: Long;
    function GetStringDatabaseInfo(DatabaseInfoCommand: Integer): String;
    function GetDBSQLDialect: Long;
  public
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;
    function GetLongDatabaseInfo(DatabaseInfoCommand: Integer): Long;
    function GetDatabasePage(PageNo: integer): string;
    property Allocation: Long read GetAllocation;
    property BaseLevel: Long read GetBaseLevel;
    property DateDBCreated: TDateTime read GetDateDBCreated;
    property DBFileName: String read GetDBFileName;
    property DBSiteName: String read GetDBSiteName;
    property DBImplementationNo: Long read GetDBImplementationNo;
    property DBImplementationClass: Long read GetDBImplementationClass;
    property Encrypted: boolean read GetEncrypted;
    property EncryptionKeyName: string read GetEncryptionKeyName;
    property NoReserve: Long read GetNoReserve;
    property ODSMinorVersion: Long read GetODSMinorVersion;
    property ODSMajorVersion: Long read GetODSMajorVersion;
    property PageSize: Long read GetPageSize;
    property Version: String read GetVersion;
    property CurrentMemory: Long read GetCurrentMemory;
    property ForcedWrites: Long read GetForcedWrites;
    property MaxMemory: Long read GetMaxMemory;
    property NumBuffers: Long read GetNumBuffers;
    property SweepInterval: Long read GetSweepInterval;
    property UserNames: TStringList read GetUserNames;
    property Fetches: Long read GetFetches;
    property Marks: Long read GetMarks;
    property Reads: Long read GetReads;
    property Writes: Long read GetWrites;
    property TransactionCount: Long read GetTransactionCount;
    property BackoutCount: TStringList read GetBackoutCount;
    property DeleteCount: TStringList read GetDeleteCount;
    property ExpungeCount: TStringList read GetExpungeCount;
    property InsertCount: TStringList read GetInsertCount;
    property PurgeCount: TStringList read GetPurgeCount;
    property ReadIdxCount: TStringList read GetReadIdxCount;
    property ReadSeqCount: TStringList read GetReadSeqCount;
    property UpdateCount: TStringList read GetUpdateCount;
    property DBSQLDialect : Long read GetDBSQLDialect;
    property PagesUsed: Long read GetPagesUsed;
    property PagesFree: Long read GetPagesFree;
    property ReadOnly: Long read GetReadOnly;
  published
    property Database: TIBDatabase read FDatabase write FDatabase;
  end;

implementation

uses
  FBMessages;

{ TIBDatabaseInfo }

constructor TIBDatabaseInfo.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  FUserNames := TStringList.Create;
  FBackoutCount                        := nil;
  FDeleteCount                         := nil;
  FExpungeCount                        := nil;
  FInsertCount                         := nil;
  FPurgeCount                          := nil;
  FReadIdxCount                        := nil;
  FReadSeqCount                        := nil;
  FUpdateCount                         := nil;
end;

destructor TIBDatabaseInfo.Destroy;
begin
  if assigned(FUserNames) then FUserNames.Free;
  if assigned(FBackoutCount) then FBackoutCount.Free;
  if assigned(FDeleteCount) then FDeleteCount.Free;
  if assigned(FExpungeCount) then FExpungeCount.Free;
  if assigned(FInsertCount) then FInsertCount.Free;
  if assigned(FPurgeCount) then FPurgeCount.Free;
  if assigned(FReadIdxCount) then FReadIdxCount.Free;
  if assigned(FReadSeqCount) then FReadSeqCount.Free;
  if assigned(FUpdateCount) then FUpdateCount.Free;
  inherited Destroy;
end;

function TIBDatabaseInfo.GetDateDBCreated: TDateTime;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_creation_date]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_creation_date) then
      Result := Items[0].GetAsDateTime
    else
      IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetEncrypted: boolean;
var ConnFlags: Long;
begin
  Result := ODSMajorVersion >= 12;
  if Result then
  try
    ConnFlags := GetLongDatabaseInfo(fb_info_conn_flags);
    Result := (ConnFlags and fb_info_crypt_encrypted) <> 0;
  except
    Result := false; {Introduced in Firebird 3.0.3}
  end;
end;

function TIBDatabaseInfo.GetEncryptionKeyName: string;
begin
  CheckDatabase;
  {Introduced in Firebird 3.0.3}
  with Database.Attachment.GetDBInformation([fb_info_crypt_key]) do
    if (Count > 0) and (Items[0].GetItemType = fb_info_crypt_key) then
      Result := Items[0].AsString
    else
     IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetPagesFree: Long;
begin
  result := GetLongDatabaseInfo(fb_info_pages_used);
end;

function TIBDatabaseInfo.GetPagesUsed: Long;
begin
  result := GetLongDatabaseInfo(fb_info_pages_free);
end;

function TIBDatabaseInfo.GetTransactionCount: Long;
begin
  result := GetLongDatabaseInfo(isc_info_active_tran_count);
end;

procedure TIBDatabaseInfo.CheckDatabase;
begin
  if Database = nil then
    IBError(ibxeDatabaseNotAssigned,[]);
  if Database.Attachment = nil then
    IBError(ibxeDatabaseClosed,[]);
end;

function TIBDatabaseInfo.GetAllocation: Long;
begin
  result := GetLongDatabaseInfo(isc_info_allocation);
end;

function TIBDatabaseInfo.GetBaseLevel: Long;
var Response: TByteArray;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_base_level]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_base_level) then
    begin
      Response := Items[0].GetAsBytes;
      Result := Response[1];
    end
  else
     IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetDBFileName: String;
var
  ConnectionType: integer;
  SiteName: string;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_db_id]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_db_id) then
      Items[0].DecodeIDCluster(ConnectionType,Result,SiteName)
    else
       IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetDBSiteName: String;
var
  ConnectionType: integer;
  FileName: string;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_db_id]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_db_id) then
      Items[0].DecodeIDCluster(ConnectionType,FileName,Result)
    else
       IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetDBImplementationNo: Long;
var Response: TByteArray;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_implementation]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_implementation) then
    begin
      Response := Items[0].GetAsBytes;
      Result := Response[1];
    end
  else
     IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetDBImplementationClass: Long;
var Response: TByteArray;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_implementation]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_implementation) then
    begin
      Response := Items[0].GetAsBytes;
      Result := Response[2];
    end
  else
     IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetNoReserve: Long;
begin
  result := GetLongDatabaseInfo(isc_info_no_reserve);
end;

function TIBDatabaseInfo.GetODSMinorVersion: Long;
begin
  CheckDatabase;
  Result := Database.Attachment.GetODSMinorVersion;
end;

function TIBDatabaseInfo.GetODSMajorVersion: Long;
begin
  CheckDatabase;
  Result := Database.Attachment.GetODSMajorVersion;
end;

function TIBDatabaseInfo.GetPageSize: Long;
begin
  result := GetLongDatabaseInfo(isc_info_page_size);
end;

function TIBDatabaseInfo.GetVersion: String;
var Version: byte;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_version]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_version) then
      Items[0].DecodeVersionString(Version,Result)
  else
     IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetCurrentMemory: Long;
begin
  result := GetLongDatabaseInfo(isc_info_current_memory);
end;

function TIBDatabaseInfo.GetForcedWrites: Long;
begin
  result := GetLongDatabaseInfo(isc_info_forced_writes);
end;

function TIBDatabaseInfo.GetMaxMemory: Long;
begin
  result := GetLongDatabaseInfo(isc_info_max_memory);
end;

function TIBDatabaseInfo.GetNumBuffers: Long;
begin
  result := GetLongDatabaseInfo(isc_info_num_buffers);
end;

function TIBDatabaseInfo.GetSweepInterval: Long; 
begin
  result := GetLongDatabaseInfo(isc_info_sweep_interval);
end;

function TIBDatabaseInfo.GetUserNames: TStringList;
begin
  CheckDatabase;
  Result := FUserNames;
  FUserNames.Clear;
  with Database.Attachment.GetDBInformation([isc_info_user_names]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_user_names) then
      Items[0].DecodeUserNames(Result)
  else
     IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetFetches: Long;
begin
  result := GetLongDatabaseInfo(isc_info_fetches);
end;

function TIBDatabaseInfo.GetMarks: Long;
begin
  result := GetLongDatabaseInfo(isc_info_marks);
end;

function TIBDatabaseInfo.GetReads: Long;
begin
  result := GetLongDatabaseInfo(isc_info_reads);
end;

function TIBDatabaseInfo.GetWrites: Long;
begin
  result := GetLongDatabaseInfo(isc_info_writes);
end;

function TIBDatabaseInfo.GetOperationCounts(DBInfoCommand: Integer;
  var FOperation: TStringList): TStringList;
var opCounts: TDBOperationCounts;
    i: integer;
begin
  CheckDatabase;
  if FOperation = nil then FOperation := TStringList.Create;
  result := FOperation;
  with Database.Attachment.GetDBInformation([DBInfoCommand]) do
    if (Count > 0) and (Items[0].GetItemType = DBInfoCommand) then
      opCounts := Items[0].getOperationCounts
  else
     IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
  for i := 0 to Length(opCounts) - 1 do
    FOperation.Add(IntToStr(opCounts[i].TableID) +'='+IntToStr(opCounts[i].Count));
end;

function TIBDatabaseInfo.GetBackoutCount: TStringList;
begin
  result := GetOperationCounts(isc_info_backout_count,FBackoutCount);
end;

function TIBDatabaseInfo.GetDeleteCount: TStringList;
begin
  result := GetOperationCounts(isc_info_delete_count,FDeleteCount);
end;

function TIBDatabaseInfo.GetExpungeCount: TStringList;
begin
  result := GetOperationCounts(isc_info_expunge_count,FExpungeCount);
end;

function TIBDatabaseInfo.GetInsertCount: TStringList;
begin
  result := GetOperationCounts(isc_info_insert_count,FInsertCount);
end;

function TIBDatabaseInfo.GetPurgeCount: TStringList;
begin
  result := GetOperationCounts(isc_info_purge_count,FPurgeCount);
end;

function TIBDatabaseInfo.GetReadIdxCount: TStringList;
begin
  result := GetOperationCounts(isc_info_read_idx_count,FReadIdxCount);
end;

function TIBDatabaseInfo.GetReadSeqCount: TStringList;
begin
  result := GetOperationCounts(isc_info_read_seq_count,FReadSeqCount);
end;

function TIBDatabaseInfo.GetUpdateCount: TStringList;
begin
  result := GetOperationCounts(isc_info_update_count,FUpdateCount);
end;

function TIBDatabaseInfo.GetReadOnly: Long;
begin
  result := GetLongDatabaseInfo(isc_info_db_read_only);
end;

function TIBDatabaseInfo.GetLongDatabaseInfo(DatabaseInfoCommand: Integer): Long;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([DatabaseInfoCommand]) do
    if (Count > 0) and (Items[0].GetItemType = DatabaseInfoCommand) then
      Result := Items[0].AsInteger
    else
      IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetDatabasePage(PageNo: integer): string;
var DBRequest: IDIRB;
begin
  DBRequest := Database.Attachment.AllocateDIRB;
  DBRequest.Add(fb_info_page_contents).AsInteger := PageNo;
  with Database.Attachment.GetDBInformation(DBRequest) do
    if (Count > 0) and (Items[0].GetItemType = fb_info_page_contents) then
      Result := Items[0].AsString
    else
      IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;

function TIBDatabaseInfo.GetStringDatabaseInfo(DatabaseInfoCommand: Integer): String;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([DatabaseInfoCommand]) do
    if (Count > 0) and (Items[0].GetItemType = DatabaseInfoCommand) then
      Result := Items[0].AsString
    else
      IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
end;


function TIBDatabaseInfo.GetDBSQLDialect: Long;
begin
  CheckDatabase;
  with Database.Attachment.GetDBInformation([isc_info_db_SQL_Dialect]) do
    if (Count > 0) and (Items[0].GetItemType = isc_info_db_SQL_Dialect) then
      Result := Items[0].AsInteger
    else
      Result := 1;
end;


end.
Revision:	143
Committed:	Fri Feb 23 12:11:21 2018 UTC (6 years, 9 months ago) by tony
Content type:	text/x-pascal
File size:	16838 byte(s)
Log Message:	Fixes Merged
#	Content
1	{************************************************************************}
2	{ }
3	{ Borland Delphi Visual Component Library }
4	{ InterBase Express core components }
5	{ }
6	{ Copyright (c) 1998-2000 Inprise Corporation }
7	{ }
8	{ InterBase Express is based in part on the product }
9	{ Free IB Components, written by Gregory H. Deatz for }
10	{ Hoagland, Longo, Moran, Dunst & Doukas Company. }
11	{ Free IB Components is used under license. }
12	{ }
13	{ The contents of this file are subject to the InterBase }
14	{ Public License Version 1.0 (the "License"); you may not }
15	{ use this file except in compliance with the License. You }
16	{ may obtain a copy of the License at http://www.Inprise.com/IPL.html }
17	{ Software distributed under the License is distributed on }
18	{ an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either }
19	{ express or implied. See the License for the specific language }
20	{ governing rights and limitations under the License. }
21	{ Portions created by Inprise Corporation are Copyright (C) Inprise }
22	{ Corporation. All Rights Reserved. }
23	{ Contributor(s): Jeff Overcash }
24	{ }
25	{ IBX For Lazarus (Firebird Express) }
26	{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
27	{ Portions created by MWA Software are copyright McCallum Whyman }
28	{ Associates Ltd 2011 - 2018 }
29	{ }
30	{************************************************************************}
31
32	unit IBDatabaseInfo;
33
34	{$Mode Delphi}
35
36	interface
37
38	uses
39	SysUtils, Classes, IB, IBExternals, IBDatabase;
40
41	type
42
43	{ TIBDatabaseInfo }
44
45	TIBDatabaseInfo = class(TComponent)
46	private
47	function GetDateDBCreated: TDateTime;
48	function GetEncrypted: boolean;
49	function GetEncryptionKeyName: string;
50	function GetPagesFree: Long;
51	function GetPagesUsed: Long;
52	function GetTransactionCount: Long;
53	protected
54	FDatabase: TIBDatabase;
55	FUserNames : TStringList;
56	FBackoutCount: TStringList;
57	FDeleteCount: TStringList;
58	FExpungeCount: TStringList;
59	FInsertCount: TStringList;
60	FPurgeCount: TStringList;
61	FReadIdxCount: TStringList;
62	FReadSeqCount: TStringList;
63	FUpdateCount: TStringList;
64	procedure CheckDatabase;
65	function GetAllocation: Long;
66	function GetBaseLevel: Long;
67	function GetDBFileName: String;
68	function GetDBSiteName: String;
69	function GetDBImplementationNo: Long;
70	function GetDBImplementationClass: Long;
71	function GetNoReserve: Long;
72	function GetODSMinorVersion: Long;
73	function GetODSMajorVersion: Long;
74	function GetPageSize: Long;
75	function GetVersion: String;
76	function GetCurrentMemory: Long;
77	function GetForcedWrites: Long;
78	function GetMaxMemory: Long;
79	function GetNumBuffers: Long;
80	function GetSweepInterval: Long;
81	function GetUserNames: TStringList;
82	function GetFetches: Long;
83	function GetMarks: Long;
84	function GetReads: Long;
85	function GetWrites: Long;
86	function GetBackoutCount: TStringList;
87	function GetDeleteCount: TStringList;
88	function GetExpungeCount: TStringList;
89	function GetInsertCount: TStringList;
90	function GetPurgeCount: TStringList;
91	function GetReadIdxCount: TStringList;
92	function GetReadSeqCount: TStringList;
93	function GetUpdateCount: TStringList;
94	function GetOperationCounts(DBInfoCommand: Integer; var FOperation: TStringList): TStringList;
95	function GetReadOnly: Long;
96	function GetStringDatabaseInfo(DatabaseInfoCommand: Integer): String;
97	function GetDBSQLDialect: Long;
98	public
99	constructor Create(AOwner: TComponent); override;
100	destructor Destroy; override;
101	function GetLongDatabaseInfo(DatabaseInfoCommand: Integer): Long;
102	function GetDatabasePage(PageNo: integer): string;
103	property Allocation: Long read GetAllocation;
104	property BaseLevel: Long read GetBaseLevel;
105	property DateDBCreated: TDateTime read GetDateDBCreated;
106	property DBFileName: String read GetDBFileName;
107	property DBSiteName: String read GetDBSiteName;
108	property DBImplementationNo: Long read GetDBImplementationNo;
109	property DBImplementationClass: Long read GetDBImplementationClass;
110	property Encrypted: boolean read GetEncrypted;
111	property EncryptionKeyName: string read GetEncryptionKeyName;
112	property NoReserve: Long read GetNoReserve;
113	property ODSMinorVersion: Long read GetODSMinorVersion;
114	property ODSMajorVersion: Long read GetODSMajorVersion;
115	property PageSize: Long read GetPageSize;
116	property Version: String read GetVersion;
117	property CurrentMemory: Long read GetCurrentMemory;
118	property ForcedWrites: Long read GetForcedWrites;
119	property MaxMemory: Long read GetMaxMemory;
120	property NumBuffers: Long read GetNumBuffers;
121	property SweepInterval: Long read GetSweepInterval;
122	property UserNames: TStringList read GetUserNames;
123	property Fetches: Long read GetFetches;
124	property Marks: Long read GetMarks;
125	property Reads: Long read GetReads;
126	property Writes: Long read GetWrites;
127	property TransactionCount: Long read GetTransactionCount;
128	property BackoutCount: TStringList read GetBackoutCount;
129	property DeleteCount: TStringList read GetDeleteCount;
130	property ExpungeCount: TStringList read GetExpungeCount;
131	property InsertCount: TStringList read GetInsertCount;
132	property PurgeCount: TStringList read GetPurgeCount;
133	property ReadIdxCount: TStringList read GetReadIdxCount;
134	property ReadSeqCount: TStringList read GetReadSeqCount;
135	property UpdateCount: TStringList read GetUpdateCount;
136	property DBSQLDialect : Long read GetDBSQLDialect;
137	property PagesUsed: Long read GetPagesUsed;
138	property PagesFree: Long read GetPagesFree;
139	property ReadOnly: Long read GetReadOnly;
140	published
141	property Database: TIBDatabase read FDatabase write FDatabase;
142	end;
143
144	implementation
145
146	uses
147	FBMessages;
148
149	{ TIBDatabaseInfo }
150
151	constructor TIBDatabaseInfo.Create(AOwner: TComponent);
152	begin
153	inherited Create(AOwner);
154	FUserNames := TStringList.Create;
155	FBackoutCount := nil;
156	FDeleteCount := nil;
157	FExpungeCount := nil;
158	FInsertCount := nil;
159	FPurgeCount := nil;
160	FReadIdxCount := nil;
161	FReadSeqCount := nil;
162	FUpdateCount := nil;
163	end;
164
165	destructor TIBDatabaseInfo.Destroy;
166	begin
167	if assigned(FUserNames) then FUserNames.Free;
168	if assigned(FBackoutCount) then FBackoutCount.Free;
169	if assigned(FDeleteCount) then FDeleteCount.Free;
170	if assigned(FExpungeCount) then FExpungeCount.Free;
171	if assigned(FInsertCount) then FInsertCount.Free;
172	if assigned(FPurgeCount) then FPurgeCount.Free;
173	if assigned(FReadIdxCount) then FReadIdxCount.Free;
174	if assigned(FReadSeqCount) then FReadSeqCount.Free;
175	if assigned(FUpdateCount) then FUpdateCount.Free;
176	inherited Destroy;
177	end;
178
179	function TIBDatabaseInfo.GetDateDBCreated: TDateTime;
180	begin
181	CheckDatabase;
182	with Database.Attachment.GetDBInformation([isc_info_creation_date]) do
183	if (Count > 0) and (Items[0].GetItemType = isc_info_creation_date) then
184	Result := Items[0].GetAsDateTime
185	else
186	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
187	end;
188
189	function TIBDatabaseInfo.GetEncrypted: boolean;
190	var ConnFlags: Long;
191	begin
192	Result := ODSMajorVersion >= 12;
193	if Result then
194	try
195	ConnFlags := GetLongDatabaseInfo(fb_info_conn_flags);
196	Result := (ConnFlags and fb_info_crypt_encrypted) <> 0;
197	except
198	Result := false; {Introduced in Firebird 3.0.3}
199	end;
200	end;
201
202	function TIBDatabaseInfo.GetEncryptionKeyName: string;
203	begin
204	CheckDatabase;
205	{Introduced in Firebird 3.0.3}
206	with Database.Attachment.GetDBInformation([fb_info_crypt_key]) do
207	if (Count > 0) and (Items[0].GetItemType = fb_info_crypt_key) then
208	Result := Items[0].AsString
209	else
210	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
211	end;
212
213	function TIBDatabaseInfo.GetPagesFree: Long;
214	begin
215	result := GetLongDatabaseInfo(fb_info_pages_used);
216	end;
217
218	function TIBDatabaseInfo.GetPagesUsed: Long;
219	begin
220	result := GetLongDatabaseInfo(fb_info_pages_free);
221	end;
222
223	function TIBDatabaseInfo.GetTransactionCount: Long;
224	begin
225	result := GetLongDatabaseInfo(isc_info_active_tran_count);
226	end;
227
228	procedure TIBDatabaseInfo.CheckDatabase;
229	begin
230	if Database = nil then
231	IBError(ibxeDatabaseNotAssigned,[]);
232	if Database.Attachment = nil then
233	IBError(ibxeDatabaseClosed,[]);
234	end;
235
236	function TIBDatabaseInfo.GetAllocation: Long;
237	begin
238	result := GetLongDatabaseInfo(isc_info_allocation);
239	end;
240
241	function TIBDatabaseInfo.GetBaseLevel: Long;
242	var Response: TByteArray;
243	begin
244	CheckDatabase;
245	with Database.Attachment.GetDBInformation([isc_info_base_level]) do
246	if (Count > 0) and (Items[0].GetItemType = isc_info_base_level) then
247	begin
248	Response := Items[0].GetAsBytes;
249	Result := Response[1];
250	end
251	else
252	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
253	end;
254
255	function TIBDatabaseInfo.GetDBFileName: String;
256	var
257	ConnectionType: integer;
258	SiteName: string;
259	begin
260	CheckDatabase;
261	with Database.Attachment.GetDBInformation([isc_info_db_id]) do
262	if (Count > 0) and (Items[0].GetItemType = isc_info_db_id) then
263	Items[0].DecodeIDCluster(ConnectionType,Result,SiteName)
264	else
265	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
266	end;
267
268	function TIBDatabaseInfo.GetDBSiteName: String;
269	var
270	ConnectionType: integer;
271	FileName: string;
272	begin
273	CheckDatabase;
274	with Database.Attachment.GetDBInformation([isc_info_db_id]) do
275	if (Count > 0) and (Items[0].GetItemType = isc_info_db_id) then
276	Items[0].DecodeIDCluster(ConnectionType,FileName,Result)
277	else
278	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
279	end;
280
281	function TIBDatabaseInfo.GetDBImplementationNo: Long;
282	var Response: TByteArray;
283	begin
284	CheckDatabase;
285	with Database.Attachment.GetDBInformation([isc_info_implementation]) do
286	if (Count > 0) and (Items[0].GetItemType = isc_info_implementation) then
287	begin
288	Response := Items[0].GetAsBytes;
289	Result := Response[1];
290	end
291	else
292	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
293	end;
294
295	function TIBDatabaseInfo.GetDBImplementationClass: Long;
296	var Response: TByteArray;
297	begin
298	CheckDatabase;
299	with Database.Attachment.GetDBInformation([isc_info_implementation]) do
300	if (Count > 0) and (Items[0].GetItemType = isc_info_implementation) then
301	begin
302	Response := Items[0].GetAsBytes;
303	Result := Response[2];
304	end
305	else
306	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
307	end;
308
309	function TIBDatabaseInfo.GetNoReserve: Long;
310	begin
311	result := GetLongDatabaseInfo(isc_info_no_reserve);
312	end;
313
314	function TIBDatabaseInfo.GetODSMinorVersion: Long;
315	begin
316	CheckDatabase;
317	Result := Database.Attachment.GetODSMinorVersion;
318	end;
319
320	function TIBDatabaseInfo.GetODSMajorVersion: Long;
321	begin
322	CheckDatabase;
323	Result := Database.Attachment.GetODSMajorVersion;
324	end;
325
326	function TIBDatabaseInfo.GetPageSize: Long;
327	begin
328	result := GetLongDatabaseInfo(isc_info_page_size);
329	end;
330
331	function TIBDatabaseInfo.GetVersion: String;
332	var Version: byte;
333	begin
334	CheckDatabase;
335	with Database.Attachment.GetDBInformation([isc_info_version]) do
336	if (Count > 0) and (Items[0].GetItemType = isc_info_version) then
337	Items[0].DecodeVersionString(Version,Result)
338	else
339	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
340	end;
341
342	function TIBDatabaseInfo.GetCurrentMemory: Long;
343	begin
344	result := GetLongDatabaseInfo(isc_info_current_memory);
345	end;
346
347	function TIBDatabaseInfo.GetForcedWrites: Long;
348	begin
349	result := GetLongDatabaseInfo(isc_info_forced_writes);
350	end;
351
352	function TIBDatabaseInfo.GetMaxMemory: Long;
353	begin
354	result := GetLongDatabaseInfo(isc_info_max_memory);
355	end;
356
357	function TIBDatabaseInfo.GetNumBuffers: Long;
358	begin
359	result := GetLongDatabaseInfo(isc_info_num_buffers);
360	end;
361
362	function TIBDatabaseInfo.GetSweepInterval: Long;
363	begin
364	result := GetLongDatabaseInfo(isc_info_sweep_interval);
365	end;
366
367	function TIBDatabaseInfo.GetUserNames: TStringList;
368	begin
369	CheckDatabase;
370	Result := FUserNames;
371	FUserNames.Clear;
372	with Database.Attachment.GetDBInformation([isc_info_user_names]) do
373	if (Count > 0) and (Items[0].GetItemType = isc_info_user_names) then
374	Items[0].DecodeUserNames(Result)
375	else
376	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
377	end;
378
379	function TIBDatabaseInfo.GetFetches: Long;
380	begin
381	result := GetLongDatabaseInfo(isc_info_fetches);
382	end;
383
384	function TIBDatabaseInfo.GetMarks: Long;
385	begin
386	result := GetLongDatabaseInfo(isc_info_marks);
387	end;
388
389	function TIBDatabaseInfo.GetReads: Long;
390	begin
391	result := GetLongDatabaseInfo(isc_info_reads);
392	end;
393
394	function TIBDatabaseInfo.GetWrites: Long;
395	begin
396	result := GetLongDatabaseInfo(isc_info_writes);
397	end;
398
399	function TIBDatabaseInfo.GetOperationCounts(DBInfoCommand: Integer;
400	var FOperation: TStringList): TStringList;
401	var opCounts: TDBOperationCounts;
402	i: integer;
403	begin
404	CheckDatabase;
405	if FOperation = nil then FOperation := TStringList.Create;
406	result := FOperation;
407	with Database.Attachment.GetDBInformation([DBInfoCommand]) do
408	if (Count > 0) and (Items[0].GetItemType = DBInfoCommand) then
409	opCounts := Items[0].getOperationCounts
410	else
411	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
412	for i := 0 to Length(opCounts) - 1 do
413	FOperation.Add(IntToStr(opCounts[i].TableID) +'='+IntToStr(opCounts[i].Count));
414	end;
415
416	function TIBDatabaseInfo.GetBackoutCount: TStringList;
417	begin
418	result := GetOperationCounts(isc_info_backout_count,FBackoutCount);
419	end;
420
421	function TIBDatabaseInfo.GetDeleteCount: TStringList;
422	begin
423	result := GetOperationCounts(isc_info_delete_count,FDeleteCount);
424	end;
425
426	function TIBDatabaseInfo.GetExpungeCount: TStringList;
427	begin
428	result := GetOperationCounts(isc_info_expunge_count,FExpungeCount);
429	end;
430
431	function TIBDatabaseInfo.GetInsertCount: TStringList;
432	begin
433	result := GetOperationCounts(isc_info_insert_count,FInsertCount);
434	end;
435
436	function TIBDatabaseInfo.GetPurgeCount: TStringList;
437	begin
438	result := GetOperationCounts(isc_info_purge_count,FPurgeCount);
439	end;
440
441	function TIBDatabaseInfo.GetReadIdxCount: TStringList;
442	begin
443	result := GetOperationCounts(isc_info_read_idx_count,FReadIdxCount);
444	end;
445
446	function TIBDatabaseInfo.GetReadSeqCount: TStringList;
447	begin
448	result := GetOperationCounts(isc_info_read_seq_count,FReadSeqCount);
449	end;
450
451	function TIBDatabaseInfo.GetUpdateCount: TStringList;
452	begin
453	result := GetOperationCounts(isc_info_update_count,FUpdateCount);
454	end;
455
456	function TIBDatabaseInfo.GetReadOnly: Long;
457	begin
458	result := GetLongDatabaseInfo(isc_info_db_read_only);
459	end;
460
461	function TIBDatabaseInfo.GetLongDatabaseInfo(DatabaseInfoCommand: Integer): Long;
462	begin
463	CheckDatabase;
464	with Database.Attachment.GetDBInformation([DatabaseInfoCommand]) do
465	if (Count > 0) and (Items[0].GetItemType = DatabaseInfoCommand) then
466	Result := Items[0].AsInteger
467	else
468	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
469	end;
470
471	function TIBDatabaseInfo.GetDatabasePage(PageNo: integer): string;
472	var DBRequest: IDIRB;
473	begin
474	DBRequest := Database.Attachment.AllocateDIRB;
475	DBRequest.Add(fb_info_page_contents).AsInteger := PageNo;
476	with Database.Attachment.GetDBInformation(DBRequest) do
477	if (Count > 0) and (Items[0].GetItemType = fb_info_page_contents) then
478	Result := Items[0].AsString
479	else
480	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
481	end;
482
483	function TIBDatabaseInfo.GetStringDatabaseInfo(DatabaseInfoCommand: Integer): String;
484	begin
485	CheckDatabase;
486	with Database.Attachment.GetDBInformation([DatabaseInfoCommand]) do
487	if (Count > 0) and (Items[0].GetItemType = DatabaseInfoCommand) then
488	Result := Items[0].AsString
489	else
490	IBError(ibxeUnexpectedDatabaseInfoResp,[nil]);
491	end;
492
493
494	function TIBDatabaseInfo.GetDBSQLDialect: Long;
495	begin
496	CheckDatabase;
497	with Database.Attachment.GetDBInformation([isc_info_db_SQL_Dialect]) do
498	if (Count > 0) and (Items[0].GetItemType = isc_info_db_SQL_Dialect) then
499	Result := Items[0].AsInteger
500	else
501	Result := 1;
502	end;
503
504
505	end.