docs: document scalar indexing on nested struct fields#249
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docs: document scalar indexing on nested struct fields#249mintlify[bot] wants to merge 1 commit into
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Summary
Document how to build scalar indexes on fields nested inside struct columns, including how to escape literal dots in field names.
Changes
create_indexwith dot-separated paths (e.g.metadata.user_id) and backtick-escaped segments (e.g.metadata.`user.id`).list_indices()returns the canonical path you passed in, so nested indexes round-trip through index metadata.Context
Upstream fix makes index metadata APIs return canonical Lance field paths instead of leaf names, so nested indexes such as
metadata.user_idand escaped literal-dot fields now round-trip throughlist_indices(). Native index creation also canonicalizes the input path before handing it to Lance, keeping local metadata consistent with the field-path contract.