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-rw-r--r--Source/CustomQuery.m124
1 files changed, 72 insertions, 52 deletions
diff --git a/Source/CustomQuery.m b/Source/CustomQuery.m
index b0480d0d..78ee1d80 100644
--- a/Source/CustomQuery.m
+++ b/Source/CustomQuery.m
@@ -1073,6 +1073,55 @@
return usedQuery;
}
+#pragma mark
+#pragma mark Field Editing
+
+/*
+ * Collect all columns for a given 'tableForColumn' table and
+ * return a WHERE clause for identifying the field in quesyion.
+ */
+- (NSString *)argumentForRow:(NSUInteger)rowIndex ofTable:(NSString *)tableForColumn
+{
+
+ id field;
+
+ //Look for all columns which are coming from "tableForColumn"
+ NSMutableArray *columnsForFieldTableName = [NSMutableArray array];
+ for(field in cqColumnDefinition) {
+ if([[field objectForKey:@"org_table"] isEqualToString:tableForColumn])
+ [columnsForFieldTableName addObject:field];
+ }
+
+ // Try to identify the field bijectively
+ NSMutableString *fieldIDQueryString = [NSMutableString string];
+ [fieldIDQueryString setString:@"WHERE ("];
+
+ // Build WHERE clause
+ for(field in columnsForFieldTableName) {
+ id aValue = [[fullResult objectAtIndex:rowIndex] objectForKey:[field objectForKey:@"name"]];
+ if ([aValue isKindOfClass:[NSNull class]] || [[aValue description] isEqualToString:[prefs stringForKey:@"NullValue"]]) {
+ [fieldIDQueryString appendFormat:@"%@ IS NULL", [[field objectForKey:@"org_name"] backtickQuotedString]];
+ } else {
+ [fieldIDQueryString appendFormat:@"%@=", [[field objectForKey:@"org_name"] backtickQuotedString]];
+ if ([[field objectForKey:@"typegrouping"] isEqualToString:@"textdata"])
+ [fieldIDQueryString appendFormat:@"'%@'", [mySQLConnection prepareString:aValue]];
+ else if ([[field objectForKey:@"typegrouping"] isEqualToString:@"blobdata"])
+ [fieldIDQueryString appendFormat:@"X'%@'", [mySQLConnection prepareBinaryData:aValue]];
+ else if ([[field objectForKey:@"typegrouping"] isEqualToString:@"integer"])
+ [fieldIDQueryString appendFormat:@"%@", [aValue description]];
+ else
+ [fieldIDQueryString appendFormat:@"'%@'", [mySQLConnection prepareString:aValue]];
+ }
+
+ [fieldIDQueryString appendString:@" AND "];
+ }
+ // Remove last " AND "
+ if([fieldIDQueryString length]>12)
+ [fieldIDQueryString replaceCharactersInRange:NSMakeRange([fieldIDQueryString length]-5,5) withString:@")"];
+
+ return fieldIDQueryString;
+}
+
#pragma mark -
#pragma mark TableView datasource methods
@@ -1186,6 +1235,8 @@
}
else if ( aTableView == customQueryView ) {
+ // Field editing
+
int columnIdentifier = [[aTableColumn identifier] intValue];
NSDictionary *columnDefinition = [cqColumnDefinition objectAtIndex:columnIdentifier];
@@ -1203,8 +1254,8 @@
NSString *fieldIDQueryString = [self argumentForRow:rowIndex ofTable:tableForColumn];
- int numberOfPossibleUpdateRows = [[[[mySQLConnection queryString:[NSString stringWithFormat:@"SELECT COUNT(*) FROM `%@` %@", tableForColumn, fieldIDQueryString]] fetchRowAsArray] objectAtIndex:0] intValue];
-
+ // Check if the IDstring identifies the current field bijectively
+ int numberOfPossibleUpdateRows = [[[[mySQLConnection queryString:[NSString stringWithFormat:@"SELECT COUNT(*) FROM %@ %@", [tableForColumn backtickQuotedString], fieldIDQueryString]] fetchRowAsArray] objectAtIndex:0] intValue];
if(numberOfPossibleUpdateRows == 1) {
// [[NSNotificationCenter defaultCenter] postNotificationName:@"SMySQLQueryWillBePerformed" object:self];
@@ -1215,11 +1266,12 @@
newObject = [NSString stringWithFormat:@"'%@'", [anObject description]];
[mySQLConnection queryString:
- [NSString stringWithFormat:@"UPDATE `%@` SET `%@`= %@ %@ LIMIT 1",
- tableForColumn, columnName, newObject, fieldIDQueryString]];
+ [NSString stringWithFormat:@"UPDATE %@ SET %@=%@ %@ LIMIT 1",
+ [tableForColumn backtickQuotedString], [columnName backtickQuotedString], newObject, fieldIDQueryString]];
// [[NSNotificationCenter defaultCenter] postNotificationName:@"SMySQLQueryHasBeenPerformed" object:self];
+ // Check for errors while UPDATE
if ( ![[mySQLConnection getLastErrorMessage] isEqualToString:@""] ) {
NSBeginAlertSheet(NSLocalizedString(@"Error", @"error"), NSLocalizedString(@"OK", @"OK button"), NSLocalizedString(@"Cancel", @"cancel button"), nil, tableWindow, self, nil, nil, nil,
[NSString stringWithFormat:NSLocalizedString(@"Couldn't write field.\nMySQL said: %@", @"message of panel when error while updating field to db"), [mySQLConnection getLastErrorMessage]]);
@@ -1228,6 +1280,7 @@
}
+ // This shouldn't happen – for safety reasons
if ( ![mySQLConnection affectedRows] ) {
if ( [prefs boolForKey:@"ShowNoAffectedRowsError"] ) {
NSBeginAlertSheet(NSLocalizedString(@"Warning", @"warning"), NSLocalizedString(@"OK", @"OK button"), nil, nil, tableWindow, self, nil, nil, nil,
@@ -1237,13 +1290,10 @@
}
return;
}
- // if ( anObject ) {
- // [[fullResult objectAtIndex:rowIndex] setObject:anObject forKey:columnName];
- // } else {
- // [[fullResult objectAtIndex:rowIndex] setObject:@"" forKey:columnName];
- // }
- // [customQueryView reloadData];
+
+ // On success reload table data by executing the last query
[self performQueries:[NSArray arrayWithObject:lastExecutedQuery]];
+
} else {
NSBeginAlertSheet(NSLocalizedString(@"Error", @"error"), NSLocalizedString(@"OK", @"OK button"), nil, nil, tableWindow, self, nil, nil, nil,
[NSString stringWithFormat:NSLocalizedString(@"Updating field content failed. Couldn't identify field origin unambiguously (%d match%@). It's very likely that while editing this field the table `%@` was changed by an other user.", @"message of panel when error while updating field to db after enabling it"),
@@ -1254,45 +1304,6 @@
}
}
-- (NSString *)argumentForRow:(NSUInteger)rowIndex ofTable:(NSString *)tableForColumn
-{
-
- id field;
-
- //Look for all columns which are coming from "tableForColumn"
- NSMutableArray *columnsForFieldTableName = [NSMutableArray array];
- for(field in cqColumnDefinition) {
- if([[field objectForKey:@"org_table"] isEqualToString:tableForColumn])
- [columnsForFieldTableName addObject:field];
- }
-
- // Try to identify the field bijectively
- NSMutableString *fieldIDQueryString = [NSMutableString string];
- [fieldIDQueryString setString:@"WHERE ("];
-
- for(field in columnsForFieldTableName) {
- id aValue = [[fullResult objectAtIndex:rowIndex] objectForKey:[field objectForKey:@"name"]];
- if ([aValue isKindOfClass:[NSNull class]] || [[aValue description] isEqualToString:[prefs stringForKey:@"NullValue"]]) {
- [fieldIDQueryString appendFormat:@"%@ IS NULL", [[field objectForKey:@"org_name"] backtickQuotedString]];
- } else {
- [fieldIDQueryString appendFormat:@"%@=", [[field objectForKey:@"org_name"] backtickQuotedString]];
- if ([[field objectForKey:@"typegrouping"] isEqualToString:@"textdata"])
- [fieldIDQueryString appendFormat:@"'%@'", [mySQLConnection prepareString:aValue]];
- else if ([[field objectForKey:@"typegrouping"] isEqualToString:@"blobdata"])
- [fieldIDQueryString appendFormat:@"X'%@'", [mySQLConnection prepareBinaryData:aValue]];
- else if ([[field objectForKey:@"typegrouping"] isEqualToString:@"integer"])
- [fieldIDQueryString appendFormat:@"%@", [aValue description]];
- else
- [fieldIDQueryString appendFormat:@"'%@'", [mySQLConnection prepareString:aValue]];
- }
-
- [fieldIDQueryString appendString:@" AND "];
- }
- if([fieldIDQueryString length]>12)
- [fieldIDQueryString replaceCharactersInRange:NSMakeRange([fieldIDQueryString length]-5,5) withString:@")"];
-
- return fieldIDQueryString;
-}
#pragma mark -
#pragma mark TableView Drag & Drop datasource methods
@@ -1391,13 +1402,15 @@
#pragma mark TableView delegate methods
/*
- * Opens sheet with value when double clicking on a field
+ * Double-click action on a field
*/
- (BOOL)tableView:(NSTableView *)aTableView shouldEditTableColumn:(NSTableColumn *)aTableColumn row:(int)rowIndex
{
// Check if the field can identified bijectively
if ( aTableView == customQueryView ) {
+
+ // TODO: only for testing
if([[NSApp currentEvent] modifierFlags] & NSCommandKeyMask) {
if(!tempAlertWasShown) {
NSRunCriticalAlertPanel (
@@ -1412,6 +1425,7 @@
int columnIdentifier = [[aTableColumn identifier] intValue];
NSDictionary *columnDefinition = [cqColumnDefinition objectAtIndex:columnIdentifier];
+ // Check if current field is a blob
if([[columnDefinition objectForKey:@"typegrouping"] isEqualToString:@"textdata"]
|| [[columnDefinition objectForKey:@"typegrouping"] isEqualToString:@"blobdata"]) {
[errorText setStringValue:@"Editing blob data not yet supported."];
@@ -1422,6 +1436,8 @@
// Resolve the original table name for current column if AS was used
NSString *tableForColumn = [columnDefinition objectForKey:@"org_table"];
+ // No table name found indicates that the field's column contains data from more than one table as for UNION
+ // or the field data are not bound to any table as in SELECT 1
if(!tableForColumn || ![tableForColumn length]) {
[errorText setStringValue:[NSString stringWithFormat:@"Couldn't identify field origin unambiguously. The column '%@' contains data from more or less than one table.", [columnDefinition objectForKey:@"name"]]];
NSBeep();
@@ -1430,7 +1446,8 @@
NSString *fieldIDQueryString = [self argumentForRow:rowIndex ofTable:tableForColumn];
- int numberOfPossibleUpdateRows = [[[[mySQLConnection queryString:[NSString stringWithFormat:@"SELECT COUNT(*) FROM `%@` %@", tableForColumn, fieldIDQueryString]] fetchRowAsArray] objectAtIndex:0] intValue];
+ // Actual check whether field can be identified bijectively
+ int numberOfPossibleUpdateRows = [[[[mySQLConnection queryString:[NSString stringWithFormat:@"SELECT COUNT(*) FROM %@ %@", [tableForColumn backtickQuotedString], fieldIDQueryString]] fetchRowAsArray] objectAtIndex:0] intValue];
if (numberOfPossibleUpdateRows == 1)
return YES;
else {
@@ -1438,7 +1455,9 @@
NSBeep();
return NO;
}
- } else {
+ }
+ // TODO: keep old behaviour for testing
+ else {
NSArray *theRow;
NSString *theValue;
NSNumber *theIdentifier = [aTableColumn identifier];
@@ -2174,6 +2193,7 @@
[helpWebView setMaintainsBackForwardList:YES];
[[helpWebView backForwardList] setCapacity:20];
+ // init tableView's data source
fullResult = [[NSMutableArray alloc] init];
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 08:30:56 +0000