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Nested value does not work properly #45

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trungkien210493 opened this issue Feb 23, 2021 · 2 comments · May be fixed by #59
Open

Nested value does not work properly #45

trungkien210493 opened this issue Feb 23, 2021 · 2 comments · May be fixed by #59
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bug Something isn't working
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v2.0

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@trungkien210493
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Describe the bug
Based on the behavior of grafana, the datasource seems to use the first row to define the table structure (if the first row is not null, it can display properly). Then, when the first row with the nested value is null, the table will display only the name of nested value, not flatten this value.

Expected behavior
The datasource should able to find the table structure from from the query or the all elements of result.

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@trungkien210493 trungkien210493 added the bug Something isn't working label Feb 23, 2021
@retzkek retzkek added this to the v2.0 milestone Mar 4, 2021
@retzkek
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retzkek commented Mar 4, 2021

Thanks for reporting this issue. It's definitely a bit tricky, and for sure the "right" thing to do is use the query/schema to determine the data frame structure (see also #13).

@trungkien210493
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@retzkek Thank you for your response. In my opinion, it is easier if you use a loop in the result from query to find the table structure because the result is in "json" format, there are a lot of library to parse it. The query parser is not easy to code and generate the table structure from the parser (I'm a Python Developer and I also tried to parse the Graphql query with the "graphql" Python library and it is very hard )

@tonyhignett tonyhignett linked a pull request Jun 1, 2021 that will close this issue
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Fix plotting series when the first data point is empty scivisum/graphql-datasource
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@retzkek @trungkien210493