diff options
Diffstat (limited to 'Source/SPTableRelations.m')
| -rw-r--r-- | Source/SPTableRelations.m | 146 |
1 files changed, 55 insertions, 91 deletions
diff --git a/Source/SPTableRelations.m b/Source/SPTableRelations.m index 0ec689e6..f6865d15 100644 --- a/Source/SPTableRelations.m +++ b/Source/SPTableRelations.m @@ -29,6 +29,7 @@ #import "SPTableData.h" #import "SPTableView.h" #import "SPAlertSheets.h" +#import "RegexKitLite.h" static NSString *SPRemoveRelation = @"SPRemoveRelation"; @@ -43,8 +44,7 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; - (void)_refreshRelationDataForcingCacheRefresh:(BOOL)clearAllCaches; - (void)_updateAvailableTableColumns; -- (void)_loadUsedRelationNamesInBackground; -- (void)_relationNamesLoaded; +- (void)_reopenRelationSheet:(NSWindow *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo; @end @@ -62,8 +62,6 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; relationData = [[NSMutableArray alloc] init]; prefs = [NSUserDefaults standardUserDefaults]; takenConstraintNames = [[NSMutableArray alloc] init]; - - isRetrievingRelationNames = NO; } return self; @@ -111,6 +109,18 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; #pragma mark IB action methods /** + * Opens the relation sheet, in its current state (without any reset of fields) + */ +- (IBAction)openRelationSheet:(id)sender +{ + [NSApp beginSheet:addRelationPanel + modalForWindow:[tableDocumentInstance parentWindow] + modalDelegate:self + didEndSelector:nil + contextInfo:nil]; +} + +/** * Closes the relation sheet. */ - (IBAction)closeRelationSheet:(id)sender @@ -124,7 +134,8 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; */ - (IBAction)confirmAddRelation:(id)sender { - [self closeRelationSheet:self]; + [dataProgressIndicator startAnimation:self]; + [dataProgressIndicator setHidden:NO]; NSString *thisTable = [tablesListInstance tableName]; NSString *thisColumn = [columnPopUpButton titleOfSelectedItem]; @@ -157,11 +168,31 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; // Execute query [connection queryString:query]; + [dataProgressIndicator setHidden:YES]; + [dataProgressIndicator stopAnimation:self]; + + [self closeRelationSheet:self]; + if ([connection queryErrored]) { + + // Retrieve the last connection error message. + NSString *errorText = [connection getLastErrorMessage]; + + // An error ID of 1005 indicates a foreign key error. These are thrown for many reasons, but the two + // most common are 121 (name probably in use) and 150 (types don't exactly match). + // Retrieve the InnoDB status and extract the most recent error for more helpful text. + if ([connection getLastErrorID] == 1005) { + NSString *statusText = [connection getFirstFieldFromQuery:@"SHOW INNODB STATUS"]; + NSString *detailErrorString = [statusText stringByMatching:@"latest foreign key error\\s+-----*\\s+[0-9: ]*(.*?)\\s+-----" options:(RKLCaseless | RKLDotAll) inRange:NSMakeRange(0, [statusText length]) capture:1L error:NULL]; + if (detailErrorString) { + errorText = [NSString stringWithFormat:@"%@\n\nMySQL detail: %@", errorText, [detailErrorString stringByReplacingOccurrencesOfString:@"\n" withString:@" "]]; + } + } + SPBeginAlertSheet(NSLocalizedString(@"Error creating relation", @"error creating relation message"), NSLocalizedString(@"OK", @"OK button"), - nil, nil, [NSApp mainWindow], nil, nil, nil, - [NSString stringWithFormat:NSLocalizedString(@"The specified relation was unable to be created.\n\nMySQL said: %@", @"error creating relation informative message"), [connection getLastErrorMessage]]); + nil, nil, [NSApp mainWindow], self, @selector(_reopenRelationSheet:returnCode:contextInfo:), nil, + [NSString stringWithFormat:NSLocalizedString(@"The specified relation was unable to be created.\n\nMySQL said: %@", @"error creating relation informative message"), errorText]); } else { [self _refreshRelationDataForcingCacheRefresh:YES]; @@ -219,7 +250,7 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; { [refTablePopUpButton addItemWithTitle:[[result fetchRowAsArray] objectAtIndex:0]]; } - + // Reset other fields [constraintName setStringValue:@""]; [onDeletePopUpButton selectItemAtIndex:0]; @@ -229,12 +260,8 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; if (changeEncoding) [connection restoreStoredEncoding]; [self selectReferenceTable:nil]; - - [NSApp beginSheet:addRelationPanel - modalForWindow:[tableDocumentInstance parentWindow] - modalDelegate:self - didEndSelector:nil - contextInfo:nil]; + + [self openRelationSheet:self]; } /** @@ -311,22 +338,12 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; - (void)controlTextDidChange:(NSNotification *)notification { - // Make sure the user does not enter a taken name - if ([notification object] == constraintName) { - - BOOL taken = NO; + // Make sure the user does not enter a taken name, using the quickly-generated incomplete list + if ([notification object] == constraintName) { NSString *userValue = [[constraintName stringValue] lowercaseString]; - for (NSString *takenName in takenConstraintNames) - { - if ([takenName isEqualToString:userValue]) { - taken = YES; - break; - } - } - // Make field red and disable add button - if (taken) { + if ([takenConstraintNames containsObject:userValue]) { [constraintName setTextColor:[NSColor redColor]]; [confirmAddRelationButton setEnabled:NO]; } @@ -418,26 +435,6 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; #pragma mark Other /** - * Loads the currently used relation names from information_schema.table_constraints. - */ -- (void)loadUsedRelationNames -{ - if (isRetrievingRelationNames) return; - - [dataProgressIndicator setHidden:NO]; - [dataProgressIndicator startAnimation:self]; - - [progressStatusTextField setHidden:NO]; - - [constraintName setEnabled:NO]; - [confirmAddRelationButton setEnabled:NO]; - - isRetrievingRelationNames = YES; - - [NSThread detachNewThreadSelector:@selector(_loadUsedRelationNamesInBackground) toTarget:self withObject:nil]; -} - -/** * Returns an array of relation data to be used for printing purposes. The first element in the array is always * an array of the columns and each subsequent element is an array of relation data. */ @@ -563,6 +560,12 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; - (void)_refreshRelationDataForcingCacheRefresh:(BOOL)clearAllCaches { [relationData removeAllObjects]; + + // Prepare the list of the used constraint names for this table. Ideally this would include all the used names + // in the database, but the MySQL-provided method of requesting that information (table_constraints in + // information_schema) is generated live from db file scans, which cannot be cheaply done on servers with + // many databases. + [takenConstraintNames removeAllObjects]; if ([tablesListInstance tableType] == SPTableTypeTable) { @@ -580,7 +583,7 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; ([constraint objectForKey:@"update"] ? [constraint objectForKey:@"update"] : @""), SPRelationOnUpdateKey, ([constraint objectForKey:@"delete"] ? [constraint objectForKey:@"delete"] : @""), SPRelationOnDeleteKey, nil]]; - + [takenConstraintNames addObject:[[constraint objectForKey:SPRelationNameKey] lowercaseString]]; } } @@ -628,57 +631,18 @@ static NSString *SPRelationOnDeleteKey = @"on_delete"; [refColumnPopUpButton addItemsWithTitles:columnTitles]; [refColumnPopUpButton setEnabled:YES]; - - if (!isRetrievingRelationNames) { - [confirmAddRelationButton setEnabled:YES]; - } + [confirmAddRelationButton setEnabled:YES]; } [columnInfo release]; } /** - * Loads all of the current foreign key relationship names for the current database. This method should be - * spawned on a separate thread. - */ -- (void)_loadUsedRelationNamesInBackground -{ - NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; - - [takenConstraintNames removeAllObjects]; - - MCPResult *result = [connection queryString:[NSString stringWithFormat:@"SELECT DISTINCT constraint_name FROM information_schema.table_constraints WHERE constraint_type = 'FOREIGN KEY' AND constraint_schema = %@", [[tableDocumentInstance database] tickQuotedString]]]; - - [result dataSeek:0]; - - for (NSUInteger i = 0; i < [result numOfRows]; i++) - { - [takenConstraintNames addObject:[[[result fetchRowAsArray] objectAtIndex:0] lowercaseString]]; - } - - // Update the UI on the main thread - [self performSelectorOnMainThread:@selector(_relationNamesLoaded) withObject:nil waitUntilDone:NO]; - - [pool release]; -} - -/** - * Called on the main thread, once all the current table relation names have been loaded and re-enables all - * the relevant UI controls. + * Reopen the add relation sheet, usually after an error message, with the previous content. */ -- (void)_relationNamesLoaded +- (void)_reopenRelationSheet:(NSWindow *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo { - [dataProgressIndicator setHidden:YES]; - [dataProgressIndicator stopAnimation:self]; - - [progressStatusTextField setHidden:YES]; - - [constraintName setEnabled:YES]; - [confirmAddRelationButton setEnabled:YES]; - - [addRelationPanel makeFirstResponder:constraintName]; - - isRetrievingRelationNames = NO; + [self performSelector:@selector(openRelationSheet:) withObject:self afterDelay:0.0]; } #pragma mark - |