chore: add stack overflow warning for Visitor and VisitorMut#2068
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iffyio merged 2 commits intoapache:mainfrom Oct 16, 2025
Merged
chore: add stack overflow warning for Visitor and VisitorMut#2068iffyio merged 2 commits intoapache:mainfrom
iffyio merged 2 commits intoapache:mainfrom
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src/ast/visitor.rs
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| /// node and `post_visit_` methods are invoked after visiting all | ||
| /// children of the node. | ||
| /// | ||
| /// Important note: The `Break` type should be kept as small as possible to prevent |
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could we place the note on the documentation of Break instead? here for example
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Sure, moved the note.
src/ast/visitor.rs
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| /// node and `post_visit_` methods are invoked after visiting all | ||
| /// children of the node. | ||
| /// | ||
| /// Important note: The `Break` type should be kept as small as possible to prevent |
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could we place the note on the documentation of Break instead? here for example
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In our scenario, we set
Breaka customErrortype, with its size being around 100 bytes. This caused our stack space to be rapidly consumed during visitor recursion, and for more complex SQL queries, it even led to stack overflow.We solved this problem by boxing the Error.