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Bound filter property is required #225

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armanaxh opened this issue Jun 17, 2020 · 0 comments · May be fixed by #227
Open

Bound filter property is required #225

armanaxh opened this issue Jun 17, 2020 · 0 comments · May be fixed by #227

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@armanaxh
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armanaxh commented Jun 17, 2020 •
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It is not required to fill all property in the druid bound filter. However, if we want to use ‌the Filter base class, we have this problem. We do not have this problem when using the ‌Band filter class.

https://druid.apache.org/docs/latest/querying/filters.html#bound-filter

client.groupby(
    datasource='cafebazaar.tmp_datasource',
    granularity=granularity,
    intervals=date_range,
    aggregations={'count': longsum('count')},
    filter=Filter(type='bound', dimension='count', lower='1', upper='10'),
    ).result

pydruid/pydruid/utils/filters.py in __init__(self, extraction_function, ordering, **args)
     81                     "dimension": args["dimension"],
     82                     "lower": args["lower"],
---> 83                     "lowerStrict": args["lowerStrict"],
     84                     "upper": args["upper"],
     85                     "upperStrict": args["upperStrict"],
KeyError: 'lowerStrict'

After reading the code, I realized that I should use the ‌Band class directly and not the Filter base class, but if we want to use the filter class directly, we will have the problem that all the property is required(Like me). ‌

@MSadeghzadehG @john-bodley
What is your opinion about the solution to this? Limit the usage of Filter class and force using the child classes? Or fix the Filter class and write a test for it?
This was referenced Jun 17, 2020
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Fix bound filter property armanaxh/pydruid
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@armanaxh