CPP: Result Set size

I'm currently running a expensive custom query to recover the callgraph of a large c codebase.

However, it errors out with `Failed: Result set is larger than the limit of 2GiB`.

What is this limit and is that something I can modify?

The issue names no repository files, tests, or entry points. Start by reproducing the custom query against the large C codebase and investigate the reported 2GiB result-set limit. Done means documenting what the limit is and whether users can modify it.

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