25 |
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{ IBX For Lazarus (Firebird Express) } |
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{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk } |
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{ Portions created by MWA Software are copyright McCallum Whyman } |
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< |
{ Associates Ltd 2011 } |
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> |
{ Associates Ltd 2011 - 2018 } |
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{ } |
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{************************************************************************} |
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|
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interface |
37 |
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|
38 |
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uses |
39 |
< |
SysUtils, Classes, IBHeader, IBExternals, IB, IBDatabase; |
39 |
> |
SysUtils, Classes, IB, IBExternals, IBDatabase; |
40 |
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|
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type |
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|
43 |
+ |
{ TIBDatabaseInfo } |
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+ |
|
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TIBDatabaseInfo = class(TComponent) |
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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; |
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protected |
45 |
– |
FIBLoaded: Boolean; |
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FDatabase: TIBDatabase; |
55 |
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FUserNames : TStringList; |
56 |
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FBackoutCount: TStringList; |
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FReadIdxCount: TStringList; |
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FReadSeqCount: TStringList; |
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FUpdateCount: TStringList; |
64 |
+ |
procedure CheckDatabase; |
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function GetAllocation: Long; |
66 |
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function GetBaseLevel: Long; |
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function GetDBFileName: String; |
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function GetReadIdxCount: TStringList; |
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function GetReadSeqCount: TStringList; |
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function GetUpdateCount: TStringList; |
94 |
< |
function GetOperationCounts(DBInfoCommand: Integer; FOperation: TStringList): TStringList; |
94 |
> |
function GetOperationCounts(DBInfoCommand: Integer; var FOperation: TStringList): TStringList; |
95 |
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function GetReadOnly: Long; |
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function GetStringDatabaseInfo(DatabaseInfoCommand: Integer): String; |
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function GetDBSQLDialect: Long; |
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public |
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constructor Create(AOwner: TComponent); override; |
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destructor Destroy; override; |
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function Call(ErrCode: ISC_STATUS; RaiseError: Boolean): ISC_STATUS; |
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function GetLongDatabaseInfo(DatabaseInfoCommand: Integer): Long; |
102 |
+ |
function GetDatabasePage(PageNo: integer): string; |
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property Allocation: Long read GetAllocation; |
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property BaseLevel: Long read GetBaseLevel; |
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+ |
property DateDBCreated: TDateTime read GetDateDBCreated; |
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property DBFileName: String read GetDBFileName; |
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property DBSiteName: String read GetDBSiteName; |
108 |
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property DBImplementationNo: Long read GetDBImplementationNo; |
109 |
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property DBImplementationClass: Long read GetDBImplementationClass; |
110 |
+ |
property Encrypted: boolean read GetEncrypted; |
111 |
+ |
property EncryptionKeyName: string read GetEncryptionKeyName; |
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property NoReserve: Long read GetNoReserve; |
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property ODSMinorVersion: Long read GetODSMinorVersion; |
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property ODSMajorVersion: Long read GetODSMajorVersion; |
124 |
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property Marks: Long read GetMarks; |
125 |
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property Reads: Long read GetReads; |
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property Writes: Long read GetWrites; |
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+ |
property TransactionCount: Long read GetTransactionCount; |
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property BackoutCount: TStringList read GetBackoutCount; |
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property DeleteCount: TStringList read GetDeleteCount; |
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property ExpungeCount: TStringList read GetExpungeCount; |
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property ReadSeqCount: TStringList read GetReadSeqCount; |
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property UpdateCount: TStringList read GetUpdateCount; |
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property DBSQLDialect : Long read GetDBSQLDialect; |
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property PagesUsed: Long read GetPagesUsed; |
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property PagesFree: Long read GetPagesFree; |
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property ReadOnly: Long read GetReadOnly; |
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published |
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property Database: TIBDatabase read FDatabase write FDatabase; |
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implementation |
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|
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uses |
147 |
< |
IBIntf; |
147 |
> |
FBMessages; |
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|
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{ TIBDatabaseInfo } |
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|
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constructor TIBDatabaseInfo.Create(AOwner: TComponent); |
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begin |
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inherited Create(AOwner); |
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FIBLoaded := False; |
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CheckIBLoaded; |
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FIBLoaded := True; |
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FUserNames := TStringList.Create; |
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FBackoutCount := nil; |
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FDeleteCount := nil; |
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|
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destructor TIBDatabaseInfo.Destroy; |
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begin |
167 |
< |
if FIBLoaded then |
168 |
< |
begin |
169 |
< |
FUserNames.Free; |
170 |
< |
FBackoutCount.Free; |
171 |
< |
FDeleteCount.Free; |
172 |
< |
FExpungeCount.Free; |
173 |
< |
FInsertCount.Free; |
174 |
< |
FPurgeCount.Free; |
175 |
< |
FReadIdxCount.Free; |
164 |
< |
FReadSeqCount.Free; |
165 |
< |
FUpdateCount.Free; |
166 |
< |
end; |
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; |
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inherited Destroy; |
177 |
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end; |
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|
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 |
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|
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 |
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result := GetLongDatabaseInfo(fb_info_pages_used); |
216 |
+ |
end; |
217 |
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|
218 |
+ |
function TIBDatabaseInfo.GetPagesUsed: Long; |
219 |
+ |
begin |
220 |
+ |
result := GetLongDatabaseInfo(fb_info_pages_free); |
221 |
+ |
end; |
222 |
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|
223 |
+ |
function TIBDatabaseInfo.GetTransactionCount: Long; |
224 |
+ |
begin |
225 |
+ |
result := GetLongDatabaseInfo(isc_info_active_tran_count); |
226 |
+ |
end; |
227 |
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|
228 |
< |
function TIBDatabaseInfo.Call(ErrCode: ISC_STATUS; |
172 |
< |
RaiseError: Boolean): ISC_STATUS; |
228 |
> |
procedure TIBDatabaseInfo.CheckDatabase; |
229 |
|
begin |
230 |
< |
result := ErrCode; |
231 |
< |
if RaiseError and (ErrCode > 0) then |
232 |
< |
IBDataBaseError; |
230 |
> |
if Database = nil then |
231 |
> |
IBError(ibxeDatabaseNotAssigned,[]); |
232 |
> |
if Database.Attachment = nil then |
233 |
> |
IBError(ibxeDatabaseClosed,[]); |
234 |
|
end; |
235 |
+ |
|
236 |
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function TIBDatabaseInfo.GetAllocation: Long; |
237 |
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begin |
238 |
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result := GetLongDatabaseInfo(isc_info_allocation); |
239 |
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end; |
240 |
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|
241 |
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function TIBDatabaseInfo.GetBaseLevel: Long; |
242 |
< |
var |
185 |
< |
local_buffer: array[0..IBLocalBufferLength - 1] of Char; |
186 |
< |
DatabaseInfoCommand: Char; |
242 |
> |
var Response: TByteArray; |
243 |
|
begin |
244 |
< |
DatabaseInfoCommand := Char(isc_info_base_level); |
245 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
246 |
< |
IBLocalBufferLength, local_buffer), True); |
247 |
< |
result := isc_vax_integer(@local_buffer[4], 1); |
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 |
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|
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function TIBDatabaseInfo.GetDBFileName: String; |
256 |
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var |
257 |
< |
local_buffer: array[0..IBLocalBufferLength - 1] of Char; |
258 |
< |
DatabaseInfoCommand: Char; |
257 |
> |
ConnectionType: integer; |
258 |
> |
SiteName: string; |
259 |
|
begin |
260 |
< |
DatabaseInfoCommand := Char(isc_info_db_id); |
261 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
262 |
< |
IBLocalBufferLength, local_buffer), True); |
263 |
< |
local_buffer[5 + Int(local_buffer[4])] := #0; |
264 |
< |
result := String(PChar(@local_buffer[5])); |
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 |
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var |
270 |
< |
local_buffer: array[0..IBBigLocalBufferLength - 1] of Char; |
271 |
< |
p: PChar; |
272 |
< |
DatabaseInfoCommand: Char; |
273 |
< |
begin |
274 |
< |
DatabaseInfoCommand := Char(isc_info_db_id); |
275 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
276 |
< |
IBLocalBufferLength, local_buffer), True); |
277 |
< |
p := @local_buffer[5 + Int(local_buffer[4])]; { DBSiteName Length } |
278 |
< |
p := p + Int(p^) + 1; { End of DBSiteName } |
217 |
< |
p^ := #0; { Null it } |
218 |
< |
result := String(PChar(@local_buffer[6 + Int(local_buffer[4])])); |
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 |
223 |
< |
local_buffer: array[0..IBLocalBufferLength - 1] of Char; |
224 |
< |
DatabaseInfoCommand: Char; |
282 |
> |
var Response: TByteArray; |
283 |
|
begin |
284 |
< |
DatabaseInfoCommand := Char(isc_info_implementation); |
285 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
286 |
< |
IBLocalBufferLength, local_buffer), True); |
287 |
< |
result := isc_vax_integer(@local_buffer[3], 1); |
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 |
234 |
< |
local_buffer: array[0..IBLocalBufferLength - 1] of Char; |
235 |
< |
DatabaseInfoCommand: Char; |
296 |
> |
var Response: TByteArray; |
297 |
|
begin |
298 |
< |
DatabaseInfoCommand := Char(isc_info_implementation); |
299 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
300 |
< |
IBLocalBufferLength, local_buffer), True); |
301 |
< |
result := isc_vax_integer(@local_buffer[4], 1); |
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; |
313 |
|
|
314 |
|
function TIBDatabaseInfo.GetODSMinorVersion: Long; |
315 |
|
begin |
316 |
< |
result := GetLongDatabaseInfo(isc_info_ods_minor_version); |
316 |
> |
CheckDatabase; |
317 |
> |
Result := Database.Attachment.GetODSMinorVersion; |
318 |
|
end; |
319 |
|
|
320 |
|
function TIBDatabaseInfo.GetODSMajorVersion: Long; |
321 |
|
begin |
322 |
< |
result := GetLongDatabaseInfo(isc_info_ods_version); |
322 |
> |
CheckDatabase; |
323 |
> |
Result := Database.Attachment.GetODSMajorVersion; |
324 |
|
end; |
325 |
|
|
326 |
|
function TIBDatabaseInfo.GetPageSize: Long; |
329 |
|
end; |
330 |
|
|
331 |
|
function TIBDatabaseInfo.GetVersion: String; |
332 |
< |
var |
265 |
< |
local_buffer: array[0..IBBigLocalBufferLength - 1] of Char; |
266 |
< |
DatabaseInfoCommand: Char; |
332 |
> |
var Version: byte; |
333 |
|
begin |
334 |
< |
DatabaseInfoCommand := Char(isc_info_version); |
335 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
336 |
< |
IBBigLocalBufferLength, local_buffer), True); |
337 |
< |
local_buffer[5 + Int(local_buffer[4])] := #0; |
338 |
< |
result := String(PChar(@local_buffer[5])); |
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; |
365 |
|
end; |
366 |
|
|
367 |
|
function TIBDatabaseInfo.GetUserNames: TStringList; |
368 |
< |
var |
369 |
< |
local_buffer: array[0..IBHugeLocalBufferLength - 1] of Char; |
370 |
< |
temp_buffer: array[0..IBLocalBufferLength - 2] of Char; |
304 |
< |
DatabaseInfoCommand: Char; |
305 |
< |
i, user_length: Integer; |
306 |
< |
begin |
307 |
< |
result := FUserNames; |
308 |
< |
DatabaseInfoCommand := Char(isc_info_user_names); |
309 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
310 |
< |
IBHugeLocalBufferLength, local_buffer), True); |
368 |
> |
begin |
369 |
> |
CheckDatabase; |
370 |
> |
Result := FUserNames; |
371 |
|
FUserNames.Clear; |
372 |
< |
i := 0; |
373 |
< |
while local_buffer[i] = Char(isc_info_user_names) do |
374 |
< |
begin |
375 |
< |
Inc(i, 3); { skip "isc_info_user_names byte" & two unknown bytes of structure (see below) } |
376 |
< |
user_length := Long(local_buffer[i]); |
317 |
< |
Inc(i,1); |
318 |
< |
Move(local_buffer[i], temp_buffer[0], user_length); |
319 |
< |
Inc(i, user_length); |
320 |
< |
temp_buffer[user_length] := #0; |
321 |
< |
FUserNames.Add(String(temp_buffer)); |
322 |
< |
end; |
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; |
396 |
|
result := GetLongDatabaseInfo(isc_info_writes); |
397 |
|
end; |
398 |
|
|
399 |
< |
function TIBDatabaseInfo.GetOperationCounts(DBInfoCommand: Integer; FOperation: TStringList): TStringList; |
400 |
< |
var |
401 |
< |
local_buffer: array[0..IBHugeLocalBufferLength - 1] of Char; |
402 |
< |
DatabaseInfoCommand: Char; |
349 |
< |
i, qtd_tables, id_table, qtd_operations: Integer; |
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 |
< |
DatabaseInfoCommand := Char(DBInfoCommand); |
408 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
409 |
< |
IBHugeLocalBufferLength, local_buffer), True); |
410 |
< |
FOperation.Clear; |
411 |
< |
{ 1. 1 byte specifying the item type requested (e.g., isc_info_insert_count). |
412 |
< |
2. 2 bytes telling how many bytes compose the subsequent value pairs. |
413 |
< |
3. A pair of values for each table in the database on wich the requested |
360 |
< |
type of operation has occurred since the database was last attached. |
361 |
< |
Each pair consists of: |
362 |
< |
1. 2 bytes specifying the table ID. |
363 |
< |
2. 4 bytes listing the number of operations (e.g., inserts) done on that table. |
364 |
< |
} |
365 |
< |
qtd_tables := trunc(isc_vax_integer(@local_buffer[1],2)/6); |
366 |
< |
for i := 0 to qtd_tables - 1 do |
367 |
< |
begin |
368 |
< |
id_table := isc_vax_integer(@local_buffer[3+(i*6)],2); |
369 |
< |
qtd_operations := isc_vax_integer(@local_buffer[5+(i*6)],4); |
370 |
< |
FOperation.Add(IntToStr(id_table)+'='+IntToStr(qtd_operations)); |
371 |
< |
end; |
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; |
459 |
|
end; |
460 |
|
|
461 |
|
function TIBDatabaseInfo.GetLongDatabaseInfo(DatabaseInfoCommand: Integer): Long; |
462 |
< |
var |
463 |
< |
local_buffer: array[0..IBLocalBufferLength - 1] of Char; |
464 |
< |
length: Integer; |
465 |
< |
_DatabaseInfoCommand: Char; |
466 |
< |
begin |
467 |
< |
_DatabaseInfoCommand := Char(DatabaseInfoCommand); |
468 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @_DatabaseInfoCommand, |
469 |
< |
IBLocalBufferLength, local_buffer), True); |
470 |
< |
length := isc_vax_integer(@local_buffer[1], 2); |
471 |
< |
result := isc_vax_integer(@local_buffer[3], length); |
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; |
433 |
– |
var |
434 |
– |
local_buffer: array[0..IBBigLocalBufferLength - 1] of Char; |
435 |
– |
_DatabaseInfoCommand: Char; |
484 |
|
begin |
485 |
< |
_DatabaseInfoCommand := Char(DatabaseInfoCommand); |
486 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @_DatabaseInfoCommand, |
487 |
< |
IBBigLocalBufferLength, local_buffer), True); |
488 |
< |
local_buffer[4 + Int(local_buffer[3])] := #0; |
489 |
< |
result := String(PChar(@local_buffer[4])); |
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: Integer; |
495 |
< |
var |
496 |
< |
local_buffer: array[0..IBLocalBufferLength - 1] of Char; |
497 |
< |
length: Integer; |
498 |
< |
DatabaseInfoCommand: Char; |
499 |
< |
begin |
500 |
< |
DatabaseInfoCommand := Char(isc_info_db_SQL_Dialect); |
501 |
< |
Call(isc_database_info(StatusVector, @FDatabase.Handle, 1, @DatabaseInfoCommand, |
453 |
< |
IBLocalBufferLength, local_buffer), True); |
454 |
< |
if (local_buffer[0] <> Char(isc_info_db_SQL_dialect)) then |
455 |
< |
result := 1 |
456 |
< |
else begin |
457 |
< |
length := isc_vax_integer(@local_buffer[1], 2); |
458 |
< |
result := isc_vax_integer(@local_buffer[3], length); |
459 |
< |
end; |
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 |
|
|