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fix(filesystem): guard summary index dimensions

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Raise on summary projection dimension mismatch instead of resetting an existing index.
This commit is contained in:
Bukely_ 2026-05-26 20:28:11 +08:00 • committed by BukeLy
parent 2297453103
commit cb9db0bab9
2 changed files with 61 additions and 9 deletions
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23
pageindex/filesystem/projection_indexing.py
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@ -110,15 +110,20 @@ class SummaryProjectionIndexer:
)
return
try:
if self.index.dimension() != self.embedding_dimensions:
self.index.reset(
dimension=self.embedding_dimensions,
metadata=self._index_metadata(),
)
except Exception:
self.index.reset(
dimension=self.embedding_dimensions,
metadata=self._index_metadata(),
existing_dimension = self.index.dimension()
except Exception as exc:
raise RuntimeError(
"could not validate existing summary projection index config; "
f"refusing to reset {self.index.db_path}. Move the existing index "
"aside or rebuild it intentionally before changing embedding config."
) from exc
if existing_dimension != self.embedding_dimensions:
raise RuntimeError(
"summary projection index dimension mismatch: "
f"{self.index.db_path} was built with dimension {existing_dimension}, "
f"but configured embedding_dimensions is {self.embedding_dimensions}. "
"Use the matching embedding config, or rebuild the projection index "
"at a new path after preserving the existing data."
)
def _index_metadata(self) -> dict[str, Any]: