pitrou commented on code in PR #14632:
URL: https://github.com/apache/arrow/pull/14632#discussion_r1021524941
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cpp/src/arrow/table.h:
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@@ -286,7 +286,22 @@ struct ARROW_EXPORT ConcatenateTablesOptions {
static ConcatenateTablesOptions Defaults() { return {}; }
};
-/// \brief Construct table from multiple input tables.
+/// \brief Construct a new table from multiple input tables.
+///
+/// The new table is assembled from existing column chunks without copying,
+/// if schemas are identical. If schemas do not match exactly, an attempt is
+/// made to unify them, and then column chunks are converted to their
Review Comment:
Yes, you can reference `PromoteTableToSchema` here. And, yes, we can publish
the doc to the latter in the Sphinx API docs.
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