问iPhone -数据库读取方法和内存泄漏

EN

-(void) readArticlesFromDatabase {



[self setDatabaseInfo];

 sqlite3 *database;

 articles = [[NSMutableArray alloc] init];

 if(sqlite3_open([databasePath UTF8String], &database) == SQLITE_OK) {
  const char *sqlStatement = "select * from articles";
  if(sqlite3_prepare_v2(database, sqlStatement, -1, &compiledStatement, NULL) == SQLITE_OK) {
   while(sqlite3_step(compiledStatement) == SQLITE_ROW) {

    NSString *aName = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 1)];
    NSString *aDate = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 2)];
    NSString *aUrl = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 3)];
    NSString *aCategory = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 4)];
    NSString *aAuthor = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 5)];
    NSString *aSummary = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 6)];
    NSMutableString *aContent = [NSMutableString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 7)];
    NSString *aNbrComments = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 8)];
    NSString *aCommentsLink = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 9)];
    NSString *aPermalink = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 11)];

    [aContent replaceCharactersInRange: [aContent rangeOfString: @"http://www.mywebsite.com/img/action-on.gif"] withString: @"hellocoton-action-on.gif"];
    [aContent replaceCharactersInRange: [aContent rangeOfString: @"hhttp://www.mywebsite.com/img/action-on-h.gif"] withString: @"hellocoton-action-on-h.gif"];
    [aContent replaceCharactersInRange: [aContent rangeOfString: @"hthttp://www.mywebsite.com/img/hellocoton.gif"] withString: @"hellocoton-hellocoton.gif"];

    NSString *imageURLBrut = [self parseArticleForImages:aContent];    
    NSString *imageURLCache = [imageURLBrut stringByReplacingOccurrencesOfString:@":" withString:@"_"];
    imageURLCache = [imageURLCache stringByReplacingOccurrencesOfString:@"/" withString:@"_"];
    imageURLCache = [imageURLCache stringByReplacingOccurrencesOfString:@" " withString:@"_"];

    NSString *uniquePath = [tmp stringByAppendingPathComponent: imageURLCache];
    if([[NSFileManager defaultManager] fileExistsAtPath: uniquePath]) {
     imageURLCache = [@"../tmp/" stringByAppendingString: imageURLCache];
     [aContent replaceCharactersInRange: [aContent rangeOfString: imageURLBrut ] withString: imageURLCache];
    }

    Article *article = [[Article alloc] initWithName:aName date:aDate url:aUrl category:aCategory author:aAuthor summary:aSummary content:aContent commentsNbr:aNbrComments commentsLink:aCommentsLink commentsRSS:@"" enclosure:aPermalink enclosure2:@"" enclosure3:@""];

    [articles addObject:article];

    article = nil;
    [article release];
   }
  }
  sqlite3_finalize(compiledStatement);

 }
 sqlite3_close(database);
}

[NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, X)];