24 |
|
{ Corporation. All Rights Reserved. } |
25 |
|
{ Contributor(s): Jeff Overcash } |
26 |
|
{ } |
27 |
+ |
{ IBX For Lazarus (Firebird Express) } |
28 |
+ |
{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk } |
29 |
+ |
{ Portions created by MWA Software are copyright McCallum Whyman } |
30 |
+ |
{ Associates Ltd 2011 } |
31 |
+ |
{ } |
32 |
|
{************************************************************************} |
33 |
|
|
34 |
|
unit IBTable; |
35 |
|
|
36 |
< |
interface |
36 |
> |
{$Mode Delphi} |
37 |
> |
|
38 |
> |
{$codepage UTF8} |
39 |
|
|
40 |
< |
uses Windows, SysUtils, Graphics, Classes, Controls, Db, StdVCL, |
34 |
< |
IB, IBDatabase, IBCustomDataSet, IBHeader, IBSQL, IBUtils; |
40 |
> |
interface |
41 |
|
|
42 |
+ |
uses SysUtils, Classes, DB, IB, IBCustomDataSet, |
43 |
+ |
IBSQL, IBUtils; |
44 |
+ |
|
45 |
|
type |
46 |
|
|
47 |
|
{ TIBTable } |
112 |
|
procedure Reopen; |
113 |
|
|
114 |
|
protected |
106 |
– |
{ IProviderSupport } |
107 |
– |
function PSGetDefaultOrder: TIndexDef; override; |
108 |
– |
function PSGetKeyFields: string; override; |
109 |
– |
function PSGetTableName: string; override; |
110 |
– |
function PSGetIndexDefs(IndexTypes: TIndexOptions): TIndexDefs; override; |
111 |
– |
procedure PSSetCommandText(const CommandText: string); override; |
112 |
– |
procedure PSSetParams(AParams: TParams); override; |
115 |
|
|
116 |
|
procedure DoOnNewRecord; override; |
117 |
|
procedure GetIndexParams(const IndexName: string; FieldsIndex: Boolean; |
118 |
|
var IndexedName: string); |
119 |
|
function GetCanModify: Boolean; override; |
120 |
|
procedure UpdateIndexDefs; override; |
121 |
< |
procedure DataEvent(Event: TDataEvent; Info: Longint); override; |
122 |
< |
procedure DefChanged(Sender: TObject); override; |
121 |
> |
procedure DataEvent(Event: TDataEvent; Info: Ptrint); override; |
122 |
> |
procedure DefChanged(Sender: TObject); virtual; |
123 |
|
function GetDataSource: TDataSource; override; |
124 |
|
procedure InitFieldDefs; override; |
125 |
|
procedure InternalClose; override; |
139 |
|
procedure DeleteIndex(const Name: string); |
140 |
|
procedure DeleteTable; |
141 |
|
procedure EmptyTable; |
142 |
< |
procedure GetDetailLinkFields(MasterFields, DetailFields: TList); override; |
142 |
> |
procedure GetDetailLinkFields(MasterFields, DetailFields: TList); virtual; |
143 |
|
procedure GetIndexNames(List: TStrings); |
144 |
|
procedure GotoCurrent(Table: TIBTable); |
145 |
|
property CurrentDBKey: TIBDBKey read GetCurrentDBKey; |
149 |
|
property TableNames: TStrings read GetTableNames; |
150 |
|
|
151 |
|
published |
152 |
+ |
property AutoCommit; |
153 |
|
property Active; |
154 |
|
property BufferChunks; |
155 |
|
property CachedUpdates; |
156 |
< |
property Constraints stored ConstraintsStored; |
156 |
> |
property DataSetCloseAction; |
157 |
> |
// property Constraints stored ConstraintsStored; |
158 |
|
property DefaultIndex: Boolean read FDefaultIndex write FDefaultIndex default True; |
159 |
|
property FieldDefs stored FieldDefsStored; |
160 |
|
property Filter; |
161 |
|
property Filtered; |
162 |
+ |
property GeneratorField; |
163 |
|
property IndexDefs: TIndexDefs read FIndexDefs write SetIndexDefs stored IndexDefsStored; |
164 |
|
property IndexFieldNames: string read GetIndexFieldNames write SetIndexFieldNames; |
165 |
|
property IndexName: string read GetIndexName write SetIndexName; |
183 |
|
|
184 |
|
implementation |
185 |
|
|
186 |
+ |
uses FBMessages; |
187 |
+ |
|
188 |
|
{ TIBTable } |
189 |
|
|
190 |
|
constructor TIBTable.Create(AOwner: TComponent); |
241 |
|
GenerateUpdateSQL; |
242 |
|
FRegenerateSQL := False; |
243 |
|
end; |
244 |
+ |
{ writeln(SelectSQL.Text); |
245 |
+ |
writeln(InsertSQL.Text); |
246 |
+ |
writeln(DeleteSQL.Text); |
247 |
+ |
writeln(ModifySQL.Text); } |
248 |
|
SetParams; |
249 |
|
inherited InternalOpen; |
250 |
|
end; |
296 |
|
QRefresh.SQL.Assign(WherePrimaryRefreshSQL) |
297 |
|
else |
298 |
|
QRefresh.SQL.Assign(WhereAllRefreshSQL); |
299 |
< |
inherited; |
299 |
> |
inherited InternalRefreshRow; |
300 |
|
end; |
301 |
|
|
302 |
|
procedure TIBTable.DefChanged(Sender: TObject); |
306 |
|
|
307 |
|
procedure TIBTable.InitFieldDefs; |
308 |
|
var |
309 |
< |
sqlscale: Integer; |
309 |
> |
DidActivate: Boolean; |
310 |
|
Query: TIBSQL; |
311 |
|
begin |
312 |
|
if FTableName = '' then IBError(ibxeNoTableName, [nil]); |
313 |
< |
if (InternalPrepared) then InternalInitFieldDefs else |
313 |
> |
if (InternalPrepared) then |
314 |
> |
InternalInitFieldDefs |
315 |
> |
else |
316 |
|
begin |
317 |
< |
Database.InternalTransaction.StartTransaction; |
317 |
> |
{Get the field defs from a simple query on the table} |
318 |
> |
ActivateConnection; |
319 |
|
Query := TIBSQL.Create(self); |
320 |
|
try |
321 |
< |
Query.GoToFirstRecordOnExecute := False; |
322 |
< |
Query.Database := DataBase; |
323 |
< |
Query.Transaction := Database.InternalTransaction; |
324 |
< |
Query.SQL.Text := 'Select R.RDB$FIELD_NAME, R.RDB$FIELD_POSITION, ' + {do not localize} |
325 |
< |
'F.RDB$COMPUTED_BLR, F.RDB$DEFAULT_VALUE, ' + {do not localize} |
326 |
< |
'F.RDB$NULL_FLAG, ' + {do not localize} |
327 |
< |
'F.RDB$FIELD_LENGTH, F.RDB$FIELD_SCALE, ' + {do not localize} |
328 |
< |
'F.RDB$FIELD_TYPE, F.RDB$FIELD_SUB_TYPE, ' + {do not localize} |
329 |
< |
'F.RDB$EXTERNAL_LENGTH, F.RDB$EXTERNAL_SCALE, F.RDB$EXTERNAL_TYPE ' + {do not localize} |
330 |
< |
'from RDB$RELATION_FIELDS R, RDB$FIELDS F ' + {do not localize} |
317 |
< |
'where R.RDB$RELATION_NAME = ' + {do not localize} |
318 |
< |
'''' + |
319 |
< |
FormatIdentifierValue(Database.SQLDialect, FTableName) + |
320 |
< |
''' ' + |
321 |
< |
'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize} |
322 |
< |
'order by R.RDB$FIELD_POSITION'; {do not localize} |
323 |
< |
|
324 |
< |
Query.Prepare; |
325 |
< |
Query.ExecQuery; |
326 |
< |
FieldDefs.BeginUpdate; |
327 |
< |
FieldDefs.Clear; |
328 |
< |
while (not Query.EOF) and (Query.Next <> nil) do |
329 |
< |
begin |
330 |
< |
with FieldDefs.AddFieldDef do |
331 |
< |
begin |
332 |
< |
FieldNo := Query.Current.ByName('RDB$FIELD_POSITION').AsInteger; {do not localize} |
333 |
< |
Name := TrimRight(Query.Current.ByName('RDB$FIELD_NAME').AsString); {do not localize} |
334 |
< |
case Query.Current.ByName('RDB$FIELD_TYPE').AsInteger of {do not localize} |
335 |
< |
blr_varying, blr_text: begin |
336 |
< |
DataType := ftString; |
337 |
< |
Size := Query.Current.ByName('RDB$FIELD_LENGTH').AsInteger; {do not localize} |
338 |
< |
end; |
339 |
< |
blr_float, blr_double, blr_d_float: DataType := ftFloat; |
340 |
< |
blr_short: begin |
341 |
< |
sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize} |
342 |
< |
if (sqlscale = 0) then |
343 |
< |
DataType := ftSmallInt |
344 |
< |
else begin |
345 |
< |
DataType := ftBCD; |
346 |
< |
Precision := 4; |
347 |
< |
end; |
321 |
> |
Query.Database := DataBase; |
322 |
> |
Query.Transaction := Database.InternalTransaction; |
323 |
> |
DidActivate := false; |
324 |
> |
Query.SQL.Text := 'Select * from ' + QuoteIdentifier(DataBase.SQLDialect, FTableName); |
325 |
> |
with Query.Transaction do |
326 |
> |
begin |
327 |
> |
if not InTransaction then |
328 |
> |
begin |
329 |
> |
StartTransaction; |
330 |
> |
DidActivate := true |
331 |
|
end; |
332 |
< |
blr_long: begin |
333 |
< |
sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize} |
334 |
< |
if (sqlscale = 0) then |
335 |
< |
DataType := ftInteger |
336 |
< |
else if (sqlscale >= (-4)) then begin |
354 |
< |
DataType := ftBCD; |
355 |
< |
Precision := 9; |
356 |
< |
end else |
357 |
< |
DataType := ftFloat; |
358 |
< |
end; |
359 |
< |
blr_int64: begin |
360 |
< |
sqlscale := Query.Current.ByName('RDB$FIELD_SCALE').AsInteger; {do not localize} |
361 |
< |
if (sqlscale = 0) then |
362 |
< |
DataType := ftLargeInt |
363 |
< |
else if (sqlscale >= (-4)) then begin |
364 |
< |
DataType := ftBCD; |
365 |
< |
Precision := 18; |
366 |
< |
end else |
367 |
< |
DataType := ftFloat; |
368 |
< |
end; |
369 |
< |
blr_timestamp: DataType := ftDateTime; |
370 |
< |
blr_sql_time: DataType := ftTime; |
371 |
< |
blr_sql_date: DataType := ftDate; |
372 |
< |
blr_blob: |
373 |
< |
if (Query.Current.ByName('RDB$FIELD_SUB_TYPE').AsInteger = 1) then {do not localize} |
374 |
< |
DataType := ftMemo |
375 |
< |
else |
376 |
< |
DataType := ftBlob; |
377 |
< |
blr_quad: begin |
378 |
< |
DataType := ftUnknown; |
379 |
< |
Size := sizeof (TISC_QUAD); |
380 |
< |
end; |
381 |
< |
else |
382 |
< |
DataType := ftUnknown; |
383 |
< |
end; |
384 |
< |
if not (Query.Current.ByName('RDB$COMPUTED_BLR').IsNull) then {do not localize} |
385 |
< |
begin |
386 |
< |
Attributes := [faReadOnly]; |
387 |
< |
InternalCalcField := True |
388 |
< |
end |
389 |
< |
else |
390 |
< |
InternalCalcField := False; |
391 |
< |
if ((not InternalCalcField) and |
392 |
< |
Query.Current.ByName('RDB$DEFAULT_VALUE').IsNull and {do not localize} |
393 |
< |
(Query.Current.ByName('RDB$NULL_FLAG').AsInteger = 1) )then begin {do not localize} |
394 |
< |
Attributes := [faRequired]; |
395 |
< |
Required := True; |
396 |
< |
end; |
397 |
< |
end; |
398 |
< |
end; |
399 |
< |
FieldDefs.EndUpdate; |
332 |
> |
end; |
333 |
> |
Query.Prepare; |
334 |
> |
FieldDefsFromQuery(Query); |
335 |
> |
if DidActivate then |
336 |
> |
Query.Transaction.Rollback; |
337 |
|
finally |
338 |
< |
Query.free; |
402 |
< |
Database.InternalTransaction.Commit; |
338 |
> |
Query.Free; |
339 |
|
end; |
340 |
|
end; |
341 |
|
end; |
361 |
|
if (ixPrimary in Options) then |
362 |
|
begin |
363 |
|
Query.SQL.Text := 'Alter Table ' + {do not localize} |
364 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
364 |
> |
QuoteIdentifier(Database.SQLDialect, FTableName) + |
365 |
|
' Add CONSTRAINT ' + {do not localize} |
366 |
< |
FormatIdentifier(Database.SQLDialect, Name) |
366 |
> |
QuoteIdentifier(Database.SQLDialect, Name) |
367 |
|
+ ' Primary Key (' + {do not localize} |
368 |
|
FormatFieldsList(Fields) + |
369 |
|
')'; |
370 |
|
end |
371 |
|
else if ([ixUnique, ixDescending] * Options = [ixUnique, ixDescending]) then |
372 |
|
Query.SQL.Text := 'Create unique Descending Index ' + {do not localize} |
373 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
373 |
> |
QuoteIdentifier(Database.SQLDialect, Name) + |
374 |
|
' on ' + {do not localize} |
375 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
375 |
> |
QuoteIdentifier(Database.SQLDialect, FTableName) + |
376 |
|
' (' + FieldList + ')' |
377 |
|
else if (ixUnique in Options) then |
378 |
|
Query.SQL.Text := 'Create unique Index ' + {do not localize} |
379 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
379 |
> |
QuoteIdentifier(Database.SQLDialect, Name) + |
380 |
|
' on ' + {do not localize} |
381 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
381 |
> |
QuoteIdentifier(Database.SQLDialect, FTableName) + |
382 |
|
' (' + FieldList + ')' |
383 |
|
else if (ixDescending in Options) then |
384 |
|
Query.SQL.Text := 'Create Descending Index ' + {do not localize} |
385 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
385 |
> |
QuoteIdentifier(Database.SQLDialect, Name) + |
386 |
|
' on ' + {do not localize} |
387 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
387 |
> |
QuoteIdentifier(Database.SQLDialect, FTableName) + |
388 |
|
' (' + FieldList + ')' |
389 |
|
else |
390 |
|
Query.SQL.Text := 'Create Index ' + {do not localize} |
391 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
391 |
> |
QuoteIdentifier(Database.SQLDialect, Name) + |
392 |
|
' on ' + {do not localize} |
393 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
393 |
> |
QuoteIdentifier(Database.SQLDialect, FTableName) + |
394 |
|
' (' + FieldList + ')'; |
395 |
|
Query.Prepare; |
396 |
|
Query.ExecQuery; |
411 |
|
Query.Database := DataBase; |
412 |
|
Query.Transaction := Transaction; |
413 |
|
Query.SQL.Text := 'Drop index ' + {do not localize} |
414 |
< |
FormatIdentifier(Database.SQLDialect, Name); |
414 |
> |
QuoteIdentifier(Database.SQLDialect, Name); |
415 |
|
Query.Prepare; |
416 |
|
Query.ExecQuery; |
417 |
|
IndexDefs.Updated := False; |
430 |
|
Query.SQL.Text := 'Select ''foo'' from RDB$RELATION_CONSTRAINTS ' + |
431 |
|
'where RDB$RELATION_NAME = ' + |
432 |
|
'''' + |
433 |
< |
FormatIdentifierValue(Database.SQLDialect, FTableName) + |
433 |
> |
FormatIdentifierValue(Database.SQLDialect, |
434 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName)) + |
435 |
|
''' ' + |
436 |
|
' AND RDB$CONSTRAINT_NAME = ' + |
437 |
|
'''' + |
438 |
< |
FormatIdentifierValue(Database.SQLDialect, Name) + |
438 |
> |
FormatIdentifierValue(Database.SQLDialect, |
439 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name)) + |
440 |
|
''' ' + |
441 |
|
'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY'''; |
442 |
|
Query.Prepare; |
445 |
|
begin |
446 |
|
Query.Close; |
447 |
|
Query.SQL.Text := 'Alter Table ' + {do not localize} |
448 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
448 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
449 |
|
' Drop Constraint ' + |
450 |
< |
FormatIdentifier(Database.SQLDialect, Name); |
450 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name); |
451 |
|
Query.Prepare; |
452 |
|
Query.ExecQuery; |
453 |
|
IndexDefs.Updated := False; |
467 |
|
Query.SQL.Text := 'Select RDB$CONSTRAINT_NAME from RDB$RELATION_CONSTRAINTS ' + |
468 |
|
'where RDB$RELATION_NAME = ' + |
469 |
|
'''' + |
470 |
< |
FormatIdentifierValue(Database.SQLDialect, FTableName) + |
470 |
> |
FormatIdentifierValue(Database.SQLDialect, |
471 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName)) + |
472 |
|
''' ' + |
473 |
|
'AND RDB$INDEX_NAME = ' + |
474 |
|
'''' + |
475 |
< |
FormatIdentifierValue(Database.SQLDialect, Name) + |
475 |
> |
FormatIdentifierValue(Database.SQLDialect, |
476 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name)) + |
477 |
|
''' ' + |
478 |
|
'AND RDB$CONSTRAINT_TYPE = ''PRIMARY KEY'''; |
479 |
|
Query.Prepare; |
482 |
|
begin |
483 |
|
Query.Close; |
484 |
|
Query.SQL.Text := 'Alter Table ' + {do not localize} |
485 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
485 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
486 |
|
' Drop Constraint ' + |
487 |
< |
FormatIdentifier(Database.SQLDialect, Query.Current.ByName('RDB$CONSTRAINT_NAME').AsString); |
487 |
> |
QuoteIdentifier(DataBase.SQLDialect, Query.FieldByName('RDB$CONSTRAINT_NAME').AsString); |
488 |
|
Query.Prepare; |
489 |
|
Query.ExecQuery; |
490 |
|
IndexDefs.Updated := False; |
569 |
|
Opts: TIndexOptions; |
570 |
|
Flds: string; |
571 |
|
Query, SubQuery: TIBSQL; |
572 |
+ |
fn: string; |
573 |
+ |
aField: TFieldDef; |
574 |
|
begin |
575 |
|
if not (csReading in ComponentState) then begin |
576 |
|
if not Active and not FSwitchingIndex then |
588 |
|
'I.RDB$SEGMENT_COUNT, S.RDB$FIELD_NAME from RDB$INDICES I, ' + {do not localize} |
589 |
|
'RDB$INDEX_SEGMENTS S where I.RDB$INDEX_NAME = S.RDB$INDEX_NAME '+ {do not localize} |
590 |
|
'and I.RDB$RELATION_NAME = ' + '''' + {do not localize} |
591 |
< |
FormatIdentifierValue(Database.SQLDialect, FTableName) + ''''; |
591 |
> |
FormatIdentifierValue(Database.SQLDialect, |
592 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName)) + ''''; |
593 |
|
Query.Prepare; |
594 |
|
Query.ExecQuery; |
595 |
< |
while (not Query.EOF) and (Query.Next <> nil) do |
595 |
> |
while (not Query.EOF) and Query.Next do |
596 |
|
begin |
597 |
|
with IndexDefs.AddIndexDef do |
598 |
|
begin |
599 |
< |
Name := TrimRight(Query.Current.ByName('RDB$INDEX_NAME').AsString); {do not localize} |
599 |
> |
Name := TrimRight(Query.FieldByName('RDB$INDEX_NAME').AsString); {do not localize} |
600 |
|
Opts := []; |
601 |
|
if Pos ('RDB$PRIMARY', Name) = 1 then Include(Opts, ixPrimary); {do not localize} {mbcs ok} |
602 |
< |
if Query.Current.ByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize} |
603 |
< |
if Query.Current.ByName('RDB$INDEX_TYPE').AsInteger = 2 then Include(Opts, ixDescending); {do not localize} |
602 |
> |
if Query.FieldByName('RDB$UNIQUE_FLAG').AsInteger = 1 then Include(Opts, ixUnique); {do not localize} |
603 |
> |
if Query.FieldByName('RDB$INDEX_TYPE').AsInteger = 2 then Include(Opts, ixDescending); {do not localize} |
604 |
|
Options := Opts; |
605 |
< |
if (Query.Current.ByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize} |
606 |
< |
Fields := Trim(Query.Current.ByName('RDB$FIELD_NAME').AsString) {do not localize} |
605 |
> |
if (Query.FieldByName('RDB$SEGMENT_COUNT').AsInteger = 1) then {do not localize} |
606 |
> |
begin |
607 |
> |
fn := Trim(Query.FieldByName('RDB$FIELD_NAME').AsString); {do not localize} |
608 |
> |
aField := GetFieldDefFromAlias(fn); |
609 |
> |
if assigned(aField) then |
610 |
> |
Fields := aField.Name |
611 |
> |
else |
612 |
> |
Fields := fn; |
613 |
> |
end |
614 |
|
else begin |
615 |
|
SubQuery := TIBSQL.Create(self); |
616 |
|
try |
620 |
|
SubQuery.SQL.Text := |
621 |
|
'Select RDB$FIELD_NAME from RDB$INDEX_SEGMENTS where RDB$INDEX_NAME = ' + {do not localize} |
622 |
|
'''' + |
623 |
< |
FormatIdentifierValue(Database.SQLDialect, Name) + |
623 |
> |
FormatIdentifierValue(Database.SQLDialect, |
624 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name)) + |
625 |
|
'''' + 'ORDER BY RDB$FIELD_POSITION'; {do not localize} |
626 |
|
SubQuery.Prepare; |
627 |
|
SubQuery.ExecQuery; |
628 |
|
Flds := ''; |
629 |
< |
while (not SubQuery.EOF) and (SubQuery.Next <> nil) do |
629 |
> |
while (not SubQuery.EOF) and SubQuery.Next do |
630 |
|
begin |
631 |
+ |
fn := TrimRight(SubQuery.FieldByName('RDB$FIELD_NAME').AsString); {do not localize} |
632 |
+ |
aField := GetFieldDefFromAlias(fn); |
633 |
+ |
if assigned(aField) then |
634 |
+ |
fn := aField.Name; |
635 |
|
if (Flds = '') then |
636 |
< |
Flds := TrimRight(SubQuery.Current.ByName('RDB$FIELD_NAME').AsString) {do not localize} |
636 |
> |
Flds := fn |
637 |
|
else begin |
638 |
|
Query.Next; |
639 |
< |
Flds := Flds + ';' + TrimRight(SubQuery.Current[0].AsString); |
639 |
> |
Flds := Flds + ';' + fn; |
640 |
|
end; |
641 |
|
end; |
642 |
|
Fields := Flds; |
671 |
|
Query.SQL.Text := |
672 |
|
'Select USER from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize} |
673 |
|
'''' + |
674 |
< |
FormatIdentifierValue(Database.SQLDialect, FTableName) + ''''; |
674 |
> |
FormatIdentifierValue(Database.SQLDialect, |
675 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName)) + ''''; |
676 |
|
Query.Prepare; |
677 |
|
Query.ExecQuery; |
678 |
|
Result := not Query.EOF; |
714 |
|
case DataType of |
715 |
|
ftString: |
716 |
|
FieldList := FieldList + |
717 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
717 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
718 |
|
' VARCHAR(' + IntToStr(Size) + ')'; {do not localize} |
719 |
|
ftFixedChar: |
720 |
|
FieldList := FieldList + |
721 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
721 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
722 |
|
' CHAR(' + IntToStr(Size) + ')'; {do not localize} |
723 |
< |
ftBoolean, ftSmallint, ftWord: |
723 |
> |
ftBoolean: |
724 |
|
FieldList := FieldList + |
725 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
725 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
726 |
> |
' BOOLEAN'; {do not localize} |
727 |
> |
ftSmallint, ftWord: |
728 |
> |
FieldList := FieldList + |
729 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
730 |
|
' SMALLINT'; {do not localize} |
731 |
|
ftInteger: |
732 |
|
FieldList := FieldList + |
733 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
733 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
734 |
|
' INTEGER'; {do not localize} |
735 |
|
ftFloat, ftCurrency: |
736 |
|
FieldList := FieldList + |
737 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
737 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
738 |
|
' DOUBLE PRECISION'; {do not localize} |
739 |
|
ftBCD: begin |
740 |
|
if (Database.SQLDialect = 1) then begin |
745 |
|
end; |
746 |
|
if (Precision <= 4 ) then |
747 |
|
FieldList := FieldList + |
748 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
748 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
749 |
|
' Numeric(18, 4)' {do not localize} |
750 |
|
else |
751 |
|
FieldList := FieldList + |
752 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
752 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
753 |
|
' Numeric(' + IntToStr(Precision) + ', 4)'; {do not localize} |
754 |
|
end; |
755 |
|
ftDate: |
756 |
|
FieldList := FieldList + |
757 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
757 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
758 |
|
' DATE'; {do not localize} |
759 |
|
ftTime: |
760 |
|
FieldList := FieldList + |
761 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
761 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
762 |
|
' TIME'; {do not localize} |
763 |
|
ftDateTime: |
764 |
|
if (Database.SQLDialect = 1) then |
765 |
|
FieldList := FieldList + |
766 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
766 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
767 |
|
' DATE' {do not localize} |
768 |
|
else |
769 |
|
FieldList := FieldList + |
770 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
770 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
771 |
|
' TIMESTAMP'; {do not localize} |
772 |
|
ftLargeInt: |
773 |
|
if (Database.SQLDialect = 1) then |
774 |
|
IBError(ibxeFieldUnsupportedType,[nil]) |
775 |
|
else |
776 |
|
FieldList := FieldList + |
777 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
777 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
778 |
|
' Numeric(18, 0)'; {do not localize} |
779 |
|
ftBlob, ftMemo: |
780 |
|
FieldList := FieldList + |
781 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
781 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
782 |
|
' BLOB SUB_TYPE 1'; {do not localize} |
783 |
|
ftBytes, ftVarBytes, ftGraphic..ftTypedBinary: |
784 |
|
FieldList := FieldList + |
785 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
785 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
786 |
|
' BLOB SUB_TYPE 0'; {do not localize} |
787 |
|
ftUnknown, ftADT, ftArray, ftReference, ftDataSet, |
788 |
|
ftCursor, ftWideString, ftAutoInc: |
808 |
|
Query.Database := Database; |
809 |
|
Query.transaction := Transaction; |
810 |
|
Query.SQL.Text := 'Create Table ' + |
811 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
811 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
812 |
|
' (' + FieldList; {do not localize} |
813 |
|
for I := 0 to IndexDefs.Count - 1 do |
814 |
|
with IndexDefs[I] do |
815 |
|
if ixPrimary in Options then |
816 |
|
begin |
817 |
|
Query.SQL.Text := Query.SQL.Text + ', CONSTRAINT ' + |
818 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
818 |
> |
QuoteIdentifier(DataBase.SQLDialect, Name) + |
819 |
|
' Primary Key (' + |
820 |
|
FormatFieldsList(Fields) + |
821 |
|
')'; |
855 |
|
Query.Database := DataBase; |
856 |
|
Query.Transaction := Transaction; |
857 |
|
Query.SQL.Text := 'drop table ' + {do not localize} |
858 |
< |
FormatIdentifier(Database.SQLDialect, FTableName); |
858 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName); |
859 |
|
Query.Prepare; |
860 |
|
Query.ExecQuery; |
861 |
|
finally |
874 |
|
Query.Database := DataBase; |
875 |
|
Query.Transaction := Transaction; |
876 |
|
Query.SQL.Text := 'delete from ' + {do not localize} |
877 |
< |
FormatIdentifier(Database.SQLDialect, FTableName); |
877 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName); |
878 |
|
Query.Prepare; |
879 |
|
Query.ExecQuery; |
880 |
|
if Active then |
887 |
|
end; |
888 |
|
end; |
889 |
|
|
890 |
< |
procedure TIBTable.DataEvent(Event: TDataEvent; Info: Longint); |
890 |
> |
procedure TIBTable.DataEvent(Event: TDataEvent; Info: Ptrint); |
891 |
|
begin |
892 |
|
if Event = dePropertyChange then begin |
893 |
|
IndexDefs.Updated := False; |
918 |
|
Query.SQL.Text := 'Select RDB$SYSTEM_FLAG, RDB$DBKEY_LENGTH ' + {do not localize} |
919 |
|
'from RDB$RELATIONS where RDB$RELATION_NAME = ' + {do not localize} |
920 |
|
'''' + |
921 |
< |
FormatIdentifierValue(Database.SQLDialect, FTableName) + ''''; |
921 |
> |
FormatIdentifierValue(Database.SQLDialect, |
922 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName)) + ''''; |
923 |
|
Query.Prepare; |
924 |
|
Query.ExecQuery; |
925 |
< |
if (Query.Current[0].AsInteger <> 0) or |
926 |
< |
(Query.Current[1].AsInteger <> 8) then |
925 |
> |
if (Query.Fields[0].AsInteger <> 0) or |
926 |
> |
(Query.Fields[1].AsInteger <> 8) then |
927 |
|
Result := False |
928 |
|
else |
929 |
|
Result := True; |
1009 |
|
i: Integer; |
1010 |
|
begin |
1011 |
|
if Database.SQLDialect = 1 then begin |
1012 |
< |
Value := FormatIdentifier(Database.SQLDialect, Value); |
1012 |
> |
Value := QuoteIdentifier(Database.SQLDialect, Value); |
1013 |
|
Result := StringReplace (Value, ';', ', ', [rfReplaceAll]); |
1014 |
|
end |
1015 |
|
else begin |
1019 |
|
begin |
1020 |
|
FieldName := ExtractFieldName(Value, i); |
1021 |
|
if Result = '' then |
1022 |
< |
Result := FormatIdentifier(Database.SQLDialect, FieldName) |
1022 |
> |
Result := QuoteIdentifier(Database.SQLDialect, FieldName) |
1023 |
|
else |
1024 |
< |
Result := Result + ', ' + FormatIdentifier(Database.SQLDialect, FieldName); |
1024 |
> |
Result := Result + ', ' + QuoteIdentifier(Database.SQLDialect, FieldName); |
1025 |
|
end; |
1026 |
|
end; |
1027 |
|
end; |
1206 |
|
' where RDB$VIEW_BLR is NULL and RDB$SYSTEM_FLAG = 0'; {do not localize} |
1207 |
|
Query.Prepare; |
1208 |
|
Query.ExecQuery; |
1209 |
< |
while (not Query.EOF) and (Query.Next <> nil) do |
1210 |
< |
FNameList.Add (TrimRight(Query.Current[0].AsString)); |
1209 |
> |
while (not Query.EOF) and Query.Next do |
1210 |
> |
FNameList.Add (TrimRight(Query.Fields[0].AsString)); |
1211 |
|
finally |
1212 |
|
Query.Free; |
1213 |
|
Database.InternalTransaction.Commit; |
1240 |
|
SQL: TStrings; |
1241 |
|
OrderByStr: string; |
1242 |
|
bWhereClausePresent: Boolean; |
1243 |
+ |
fn: string; |
1244 |
+ |
aField: TFieldDef; |
1245 |
|
begin |
1246 |
|
bWhereClausePresent := False; |
1247 |
|
Database.CheckActive; |
1256 |
|
OrderByStr := FormatFieldsList(FPrimaryIndexFields); |
1257 |
|
SQL := TStringList.Create; |
1258 |
|
SQL.Text := 'select ' + {do not localize} |
1259 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + '.*, ' |
1259 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize} |
1260 |
|
+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize} |
1261 |
< |
+ FormatIdentifier(Database.SQLDialect, FTableName); |
1261 |
> |
+ QuoteIdentifier(DataBase.SQLDialect, FTableName); |
1262 |
|
if Filtered and (Filter <> '') then |
1263 |
|
begin |
1264 |
|
SQL.Text := SQL.Text + ' where ' + Filter; {do not localize} |
1277 |
|
begin |
1278 |
|
if i > 0 then |
1279 |
|
SQL.Text := SQL.Text + 'AND '; |
1280 |
+ |
aField := FieldDefs.Find(FDetailFieldsList.Strings[i]); |
1281 |
+ |
if assigned(aField) then |
1282 |
+ |
fn := GetDBAliasName(aField.FieldNo) |
1283 |
+ |
else |
1284 |
+ |
fn := FDetailFieldsList.Strings[i]; {something wrong if we get here - but should word} |
1285 |
|
SQL.Text := SQL.Text + |
1286 |
< |
FormatIdentifier(Database.SQLDialect, FDetailFieldsList.Strings[i]) + |
1319 |
< |
' = :' + |
1320 |
< |
FormatIdentifier(Database.SQLDialect, FMasterFieldsList.Strings[i]); |
1286 |
> |
QuoteIdentifier(DataBase.SQLDialect, fn) + ' = :' + FMasterFieldsList.Strings[i]; |
1287 |
|
end; |
1288 |
|
end; |
1289 |
|
if OrderByStr <> '' then |
1290 |
|
SQL.Text := SQL.Text + ' order by ' + OrderByStr; {do not localize} |
1291 |
|
SelectSQL.Assign(SQL); |
1292 |
|
RefreshSQL.Text := 'select ' + {do not localize} |
1293 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + '.*, ' |
1293 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize} |
1294 |
|
+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize} |
1295 |
< |
+ FormatIdentifier(Database.SQLDialect, FTableName) + |
1295 |
> |
+ QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
1296 |
|
' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize} |
1297 |
|
WhereDBKeyRefreshSQL.Assign(RefreshSQL); |
1298 |
|
InternalPrepare; |
1302 |
|
procedure TIBTable.GenerateUpdateSQL; |
1303 |
|
var |
1304 |
|
InsertFieldList, InsertParamList, UpdateFieldList: string; |
1305 |
< |
WherePrimaryFieldList, WhereAllFieldList: string; |
1305 |
> |
WherePrimaryFieldList, WhereAllFieldList, |
1306 |
> |
InsertReturningFieldList, UpdateReturningFieldList: string; |
1307 |
|
|
1308 |
|
procedure GenerateFieldLists; |
1309 |
|
var |
1310 |
|
I: Integer; |
1311 |
+ |
AllowReturningClause: boolean; |
1312 |
|
begin |
1313 |
+ |
{Is database Firebird 2.1 or later?} |
1314 |
+ |
AllowReturningClause := (DatabaseInfo.ODSMajorVersion > 11) or |
1315 |
+ |
((DatabaseInfo.ODSMajorVersion = 11) and (DatabaseInfo.ODSMinorVersion >= 1)); |
1316 |
|
for I := 0 to FieldDefs.Count - 1 do begin |
1317 |
< |
with FieldDefs[I] do begin |
1317 |
> |
with TIBFieldDef(FieldDefs[I]) do begin |
1318 |
> |
if AllowReturningClause then |
1319 |
> |
begin |
1320 |
> |
if (faReadOnly in Attributes) or IdentityColumn then |
1321 |
> |
begin |
1322 |
> |
if InsertReturningFieldList <> '' then |
1323 |
> |
InsertReturningFieldList := InsertReturningFieldList + ', ' + |
1324 |
> |
QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) |
1325 |
> |
else |
1326 |
> |
InsertReturningFieldList := ' RETURNING ' + |
1327 |
> |
QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) |
1328 |
> |
end; |
1329 |
> |
if (faReadOnly in Attributes) then |
1330 |
> |
begin |
1331 |
> |
if UpdateReturningFieldList <> '' then |
1332 |
> |
UpdateReturningFieldList := UpdateReturningFieldList + ', ' + |
1333 |
> |
QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) |
1334 |
> |
else |
1335 |
> |
UpdateReturningFieldList := ' RETURNING ' + |
1336 |
> |
QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) |
1337 |
> |
end; |
1338 |
> |
end; |
1339 |
|
if not (InternalCalcField or (faReadOnly in Attributes) or |
1340 |
< |
(DataType = ftUnknown)) then |
1340 |
> |
(DataType = ftUnknown)) then |
1341 |
|
begin |
1342 |
< |
if ( InsertFieldList <> '' ) then begin |
1343 |
< |
InsertFieldList := InsertFieldList + ', '; |
1344 |
< |
InsertParamList := InsertParamList + ', '; |
1342 |
> |
if not IdentityColumn then |
1343 |
> |
begin |
1344 |
> |
if ( InsertFieldList <> '' ) then begin |
1345 |
> |
InsertFieldList := InsertFieldList + ', '; |
1346 |
> |
InsertParamList := InsertParamList + ', '; |
1347 |
> |
end; |
1348 |
> |
InsertFieldList := InsertFieldList + |
1349 |
> |
QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)); |
1350 |
> |
InsertParamList := InsertParamList + ':' + Name; |
1351 |
> |
end; |
1352 |
> |
if (UpdateFieldList <> '') then begin |
1353 |
|
UpdateFieldList := UpdateFieldList + ', '; |
1354 |
|
if (DataType <> ftBlob) and (DataType <>ftMemo) then |
1355 |
|
WhereAllFieldList := WhereAllFieldList + ' AND '; |
1356 |
|
end; |
1357 |
– |
InsertFieldList := InsertFieldList + |
1358 |
– |
FormatIdentifier(Database.SQLDialect, Name); |
1359 |
– |
InsertParamList := InsertParamList + ':' + |
1360 |
– |
FormatIdentifier(Database.SQLDialect, Name); |
1357 |
|
UpdateFieldList := UpdateFieldList + |
1358 |
< |
FormatIdentifier(Database.SQLDialect, Name) + |
1359 |
< |
' = :' + |
1364 |
< |
FormatIdentifier(Database.SQLDialect, Name); |
1358 |
> |
QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) + |
1359 |
> |
' = :' + Name; |
1360 |
|
if (DataType <> ftBlob) and (DataType <>ftMemo) then |
1361 |
|
WhereAllFieldList := WhereAllFieldList + |
1362 |
< |
FormatIdentifier(Database.SQLDialect, Name) + ' = :' + |
1368 |
< |
FormatIdentifier(Database.SQLDialect, Name);{do not localize} |
1362 |
> |
QuoteIdentifier(DataBase.SQLDialect, GetDBAliasName(FieldNo)) + ' = :' + Name; |
1363 |
|
end; |
1364 |
|
end; |
1365 |
|
end; |
1368 |
|
procedure GenerateWherePrimaryFieldList; |
1369 |
|
var |
1370 |
|
i: Integer; |
1371 |
< |
tmp: String; |
1371 |
> |
tmp, fn: String; |
1372 |
> |
aField: TFieldDef; |
1373 |
|
begin |
1374 |
|
i := 1; |
1375 |
|
while i <= Length(FPrimaryIndexFields) do |
1376 |
|
begin |
1377 |
|
tmp := ExtractFieldName(FPrimaryIndexFields, i); |
1378 |
+ |
aField := FieldDefs.Find(tmp); |
1379 |
+ |
if assigned(aField) then |
1380 |
+ |
fn := GetDBAliasName(aField.FieldNo) |
1381 |
+ |
else |
1382 |
+ |
fn := tmp; {something wrong if we get here - but will work in most cases} |
1383 |
|
tmp := |
1384 |
< |
FormatIdentifier(Database.SQLDialect, tmp) + ' = :' + |
1385 |
< |
FormatIdentifier(Database.SQLDialect, tmp);{do not localize} |
1384 |
> |
QuoteIdentifier(DataBase.SQLDialect, fn) + ' = :' + |
1385 |
> |
QuoteIdentifier(DataBase.SQLDialect, tmp);{do not localize} |
1386 |
|
if WherePrimaryFieldList <> '' then |
1387 |
|
WherePrimaryFieldList := |
1388 |
|
WherePrimaryFieldList + ' AND ' + tmp |
1397 |
|
else |
1398 |
|
begin |
1399 |
|
DeleteSQL.Text := 'delete from ' + {do not localize} |
1400 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
1400 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
1401 |
|
' where RDB$DB_KEY = ' + ':IBX_INTERNAL_DBKEY'; {do not localize} |
1402 |
|
GenerateFieldLists; |
1403 |
|
InsertSQL.Text := 'insert into ' + {do not localize} |
1404 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
1404 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
1405 |
|
' (' + InsertFieldList + {do not localize} |
1406 |
< |
') values (' + InsertParamList + ')'; {do not localize} |
1406 |
> |
') values (' + InsertParamList + ')' + InsertReturningFieldList; {do not localize} |
1407 |
|
ModifySQL.Text := 'update ' + |
1408 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + |
1408 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
1409 |
|
' set ' + UpdateFieldList + {do not localize} |
1410 |
< |
' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY'; {do not localize} |
1410 |
> |
' where RDB$DB_KEY = :IBX_INTERNAL_DBKEY' + UpdateReturningFieldList; {do not localize} |
1411 |
|
WhereAllRefreshSQL.Text := 'select ' + {do not localize} |
1412 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + '.*, ' |
1412 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' |
1413 |
|
+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize} |
1414 |
< |
+ FormatIdentifier(Database.SQLDialect, FTableName) + |
1415 |
< |
' where ' + WhereAllFieldList; {do not localize} |
1414 |
> |
+ QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
1415 |
> |
' where ' + WhereAllFieldList ; {do not localize} |
1416 |
|
if FPrimaryIndexFields <> '' then |
1417 |
|
begin |
1418 |
|
GenerateWherePrimaryFieldList; |
1419 |
|
WherePrimaryRefreshSQL.Text := 'select ' + {do not localize} |
1420 |
< |
FormatIdentifier(Database.SQLDialect, FTableName) + '.*, ' {do not localize} |
1420 |
> |
QuoteIdentifier(DataBase.SQLDialect, FTableName) + '.*, ' {do not localize} |
1421 |
|
+ 'RDB$DB_KEY as IBX_INTERNAL_DBKEY from ' {do not localize} |
1422 |
< |
+ FormatIdentifier(Database.SQLDialect, FTableName) + |
1422 |
> |
+ QuoteIdentifier(DataBase.SQLDialect, FTableName) + |
1423 |
|
' where ' + WherePrimaryFieldList; {do not localize} |
1424 |
|
end; |
1425 |
|
try |
1499 |
|
begin |
1500 |
|
SetState(dsInactive); |
1501 |
|
CloseCursor; |
1502 |
< |
OpenCursor; |
1502 |
> |
OpenCursor(false); |
1503 |
|
SetState(dsBrowse); |
1504 |
|
end; |
1505 |
|
finally |
1507 |
|
end; |
1508 |
|
end; |
1509 |
|
|
1510 |
– |
{ TIBTable IProviderSupport } |
1511 |
– |
|
1512 |
– |
function TIBTable.PSGetDefaultOrder: TIndexDef; |
1513 |
– |
|
1514 |
– |
function GetIdx(IdxType: TIndexOption): TIndexDef; |
1515 |
– |
var |
1516 |
– |
i: Integer; |
1517 |
– |
begin |
1518 |
– |
Result := nil; |
1519 |
– |
for i := 0 to IndexDefs.Count - 1 do |
1520 |
– |
if IdxType in IndexDefs[i].Options then |
1521 |
– |
try |
1522 |
– |
Result := IndexDefs[i]; |
1523 |
– |
GetFieldList(nil, Result.Fields); |
1524 |
– |
break; |
1525 |
– |
except |
1526 |
– |
Result := nil; |
1527 |
– |
end; |
1528 |
– |
end; |
1529 |
– |
|
1530 |
– |
var |
1531 |
– |
DefIdx: TIndexDef; |
1532 |
– |
begin |
1533 |
– |
DefIdx := nil; |
1534 |
– |
IndexDefs.Update; |
1535 |
– |
try |
1536 |
– |
if IndexName <> '' then |
1537 |
– |
DefIdx := IndexDefs.Find(IndexName) |
1538 |
– |
else if IndexFieldNames <> '' then |
1539 |
– |
DefIdx := IndexDefs.FindIndexForFields(IndexFieldNames); |
1540 |
– |
if Assigned(DefIdx) then |
1541 |
– |
GetFieldList(nil, DefIdx.Fields); |
1542 |
– |
except |
1543 |
– |
DefIdx := nil; |
1544 |
– |
end; |
1545 |
– |
if not Assigned(DefIdx) then |
1546 |
– |
DefIdx := GetIdx(ixPrimary); |
1547 |
– |
if not Assigned(DefIdx) then |
1548 |
– |
DefIdx := GetIdx(ixUnique); |
1549 |
– |
if Assigned(DefIdx) then |
1550 |
– |
begin |
1551 |
– |
Result := TIndexDef.Create(nil); |
1552 |
– |
Result.Assign(DefIdx); |
1553 |
– |
end else |
1554 |
– |
Result := nil; |
1555 |
– |
end; |
1556 |
– |
|
1557 |
– |
function TIBTable.PSGetIndexDefs(IndexTypes: TIndexOptions): TIndexDefs; |
1558 |
– |
begin |
1559 |
– |
Result := GetIndexDefs(IndexDefs, IndexTypes); |
1560 |
– |
end; |
1561 |
– |
|
1562 |
– |
function TIBTable.PSGeTTableName: string; |
1563 |
– |
begin |
1564 |
– |
Result := FTableName; |
1565 |
– |
end; |
1566 |
– |
|
1567 |
– |
procedure TIBTable.PSSetParams(AParams: TParams); |
1568 |
– |
begin |
1569 |
– |
if AParams.Count > 0 then |
1570 |
– |
Open; |
1571 |
– |
PSReset; |
1572 |
– |
end; |
1573 |
– |
|
1574 |
– |
procedure TIBTable.PSSetCommandText(const CommandText: string); |
1575 |
– |
begin |
1576 |
– |
if CommandText <> '' then |
1577 |
– |
TableName := CommandText; |
1578 |
– |
end; |
1579 |
– |
|
1580 |
– |
function TIBTable.PSGetKeyFields: string; |
1581 |
– |
var |
1582 |
– |
i, Idx: Integer; |
1583 |
– |
IndexFound: Boolean; |
1584 |
– |
begin |
1585 |
– |
Result := inherited PSGetKeyFields; |
1586 |
– |
if Result = '' then |
1587 |
– |
begin |
1588 |
– |
if not Exists then Exit; |
1589 |
– |
IndexFound := False; |
1590 |
– |
IndexDefs.Update; |
1591 |
– |
FieldDefs.Update; |
1592 |
– |
for i := 0 to IndexDefs.Count - 1 do |
1593 |
– |
if ixUnique in IndexDefs[I].Options then |
1594 |
– |
begin |
1595 |
– |
Idx := 1; |
1596 |
– |
Result := IndexDefs[I].Fields; |
1597 |
– |
IndexFound := False; |
1598 |
– |
while Idx <= Length(Result) do |
1599 |
– |
begin |
1600 |
– |
IndexFound := FindField(ExtractFieldName(Result, Idx)) <> nil; |
1601 |
– |
if not IndexFound then Break; |
1602 |
– |
end; |
1603 |
– |
if IndexFound then Break; |
1604 |
– |
end; |
1605 |
– |
if not IndexFound then |
1606 |
– |
Result := ''; |
1607 |
– |
end; |
1608 |
– |
end; |
1609 |
– |
|
1510 |
|
end. |