Examples from davedelong

src/FMDatabase.m

@@ -298,6 +298,7 @@ - (void)bindObject:(id)obj toColumn:(int)idx inStatement:(sqlite3_stmt*)pStmt {
 }
 
 - (void)_extractSQL:(NSString *)sql argumentsList:(va_list)args intoString:(NSMutableString *)cleanedSQL arguments:(NSMutableArray *)arguments {
+    
     NSUInteger length = [sql length];
     unichar last = '\0';
     for (NSUInteger i = 0; i < length; ++i) {
@@ -309,7 +310,7 @@ - (void)_extractSQL:(NSString *)sql argumentsList:(va_list)args intoString:(NSMu
                 case '@':
                     arg = va_arg(args, id); break;
                 case 'c':
-                    arg = [NSNumber numberWithChar:va_arg(args, char)]; break;
+                    arg = [NSString stringWithFormat:@"%c", va_arg(args, char)]; break;
                 case 's':
                     arg = [NSString stringWithUTF8String:va_arg(args, char*)]; break;
                 case 'd':

src/fmdb.m

@@ -467,6 +467,21 @@ int main (int argc, const char * argv[]) {
     }
     
     
+    {
+        FMDBQuickCheck([db executeUpdate:@"create table t5 (a text, b int, c blob, d text, e text)"]);
+        FMDBQuickCheck(([db executeUpdateWithFormat:@"insert into t5 values (%s, %d, %@, %c, %lld)", "text", 42, @"BLOB", 'd', 12345678901234]));
+        
+        rs = [db executeQueryWithFormat:@"select * from t5 where a = %s", "text"];
+        FMDBQuickCheck((rs != nil));
+        
+        [rs next];
+        
+        FMDBQuickCheck([[rs stringForColumn:@"a"] isEqualToString:@"text"]);
+        FMDBQuickCheck(([rs intForColumn:@"b"] == 42));
+        FMDBQuickCheck([[rs stringForColumn:@"c"] isEqualToString:@"BLOB"]);
+        FMDBQuickCheck([[rs stringForColumn:@"d"] isEqualToString:@"d"]);
+        FMDBQuickCheck(([rs longLongIntForColumn:@"e"] == 12345678901234));
+    }