fix(eap): flatten nested attributes_array JSON for dotted keys#7911
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manessaraj merged 4 commits intomasterfrom Apr 29, 2026
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ClickHouse can emit nested objects for dotted keys under toJSONString(attributes_array). Flatten that shape back to dotted attribute names before decoding tagged array elements. All parsing stays in process_arrays (common.py); bad JSON or structure raises BadSnubaRPCRequestException. fixes EXP-915
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onewland
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| def _flatten_attributes_array_json(node: dict[str, Any], prefix: str = "") -> dict[str, list[Any]]: | ||
| """Flatten nested dicts into dotted keys (name -> list). ClickHouse often nests dotted paths.""" |
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let's change this comment to say that ClickHouse stores all JSON objects as flat and interprets dotted paths in a special way to support nesting, then link to the relevant ClickHouse docs
kylemumma
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lgtm once you address olivers comment
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ClickHouse can emit nested objects for dotted keys under toJSONString(attributes_array). Flatten that shape back to dotted attribute names before decoding tagged array elements. All parsing stays in process_arrays (common.py); bad JSON or structure raises BadSnubaRPCRequestException.
fixes EXP-915