fix: hierarchical json flattening restriction#1058
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nitisht merged 7 commits intoJan 5, 2025
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de-sh
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Dec 30, 2024
| /// 5. `{"a":{"b":{"c":{"d":{"e":["a","b"]}}}}}` ~> returns error - heavily nested, cannot flatten this JSON | ||
| pub fn flatten_json(value: &Value) -> Result<Vec<Value>, anyhow::Error> { | ||
| if has_more_than_four_levels(value, 1) { | ||
| return Err(anyhow!("heavily nested, cannot flatten this JSON")); |
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Why error out? Why not just not flatten upto a certain extent and keep the type as is afterwards?
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i.e. {"a": [{"b":{"c":{"d":["e","f"]}}}, "c": {}]} ~> [{"a":{"b":{"c":{"d":["e","f"]}}}}, {"a":{"c": {}}}]
get the level of hierarchy from the json perform generic flattening only if level of nesting is <=4
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perf: test nesting level only once
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de-sh
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| let size: usize = body.len(); | ||
| let mut parsed_timestamp = Utc::now().naive_utc(); | ||
| if time_partition.is_none() { | ||
| if custom_partition.is_none() { | ||
| let size = size as u64; | ||
| create_process_record_batch( | ||
| stream_name, | ||
| req, | ||
| body_val, | ||
| static_schema_flag.as_ref(), | ||
| None, | ||
| parsed_timestamp, | ||
| &HashMap::new(), | ||
| size, | ||
| schema_version, | ||
| ) | ||
| .await?; | ||
| } else { | ||
| let data = convert_array_to_object( | ||
| body_val, | ||
| None, | ||
| None, | ||
| custom_partition.as_ref(), | ||
| schema_version, | ||
| )?; |
Contributor
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Would the following fix the issue of not wanting to convert array to object?
let data = if time_partition.is_some() || custom_partition.is_some() {
convert_array_to_object(
body_val,
time_partition.as_ref(),
time_partition_limit,
custom_partition.as_ref(),
schema_version,
)?
} else {
vec![body_val]
};
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I need to test out all the scenarios before I can confirm the changes, as discussed, lets take the optimisation of this one as separate issue.
de-sh
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Jan 5, 2025
parmesant
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Jan 13, 2025
hierarchical json flattening restriction get the level of hierarchy from the json perform generic flattening only if level of nesting is <=4 --------- Co-authored-by: Devdutt Shenoi <devdutt@parseable.com>
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get the level of hierarchy from the json
perform generic flattening only if level of nesting is <=4