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This can be useful in case your input JSON is complex, while you need only few fields in it. This behaviour is controlled by the input_format_json_ignore_unknown_keys_in_named_tuple setting name, that is turned OFF by default. This will, almost, allow to parse gharchive dataset without jq. "almost" because of two things: - Tuple cannot be Nullable, so such keys with Tuple type in ClickHouse cannot be `null` in JSON - You cannot use dot.dot notation to extract columns for file() engine, only tupleElement() Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com> |
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| .. | ||
| constraints-on-settings.md | ||
| index.md | ||
| memory-overcommit.md | ||
| merge-tree-settings.md | ||
| permissions-for-queries.md | ||
| query-complexity.md | ||
| settings-formats.md | ||
| settings-profiles.md | ||
| settings-users.md | ||
| settings.md | ||