[Mysql-cocoa-users] Possible Memory leak in MCPConnection.m - MCP not autoreleased?

[Jason M. <jas...@ya...>]

Hi. I've been using the framework and it's excellent.
But I've run into a problem which I think is caused by
a memory leak...

Basically, I'm writing a batch application that has to
do thousands of inserts.

In MCPConnection.m:

- (MCPResult *) queryString:(NSString *) query
{
    MCPResult	*theResult = [MCPResult alloc];

/*****snip*****/

    if ((theQueryCode = mysql_query(mConnection,
theCQuery)) == NULL) {
        if (mysql_field_count(mConnection) != 0) {
            theResult = [theResult
initWithMySQLPtr:mConnection encoding:mEncoding];
        }
        else {
//            NSLog (@"Query worked but gives no
output\n");
//            [theResult init];
            return nil;
        }
    }

/*****snip*****/

It looks like theResult is alloc'd, but if the result
is the empty set (like in an insert), nil is returned,
but theResult is never autoreleased or released.

I ran my program through ObjectAlloc and there are
many MCPResults left over form my multiple inserts.
They don't take up much space, but as I said, my
program does thousands of inserts and they build up
over time causing a crash.


Let me know if I'm wrong here. But right now this
looks like the major bug du jour in my program...

Jason


=====
Jason McInnes
2 Degrees
Cell: 206.849.3680
Email: jas...@ya...

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