BigQuery Storage: Add support for arrow format in BQ Read API#8644
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tswast merged 10 commits intogoogleapis:masterfrom Jul 11, 2019
Merged
BigQuery Storage: Add support for arrow format in BQ Read API#8644tswast merged 10 commits intogoogleapis:masterfrom
tswast merged 10 commits intogoogleapis:masterfrom
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shollyman
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Jul 11, 2019
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| _AVRO_BYTES_OPERATION = "parse ReadRowResponse messages with Avro bytes" | ||
| _ARROW_BYTES_OPERATION = "parse ReadRowResponse messages with Arrow bytes" | ||
| _FASTAVRO_REQUIRED = "fastavro is required to {operation}." |
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I assume these parameterized errors are for when you do things like to_arrow with avro bytes?
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Yeah, this is vestigial from when I was planning to implement to_arrow for Avro streams. Removed for now.
| used in the stream messages. | ||
| """ | ||
| if fastavro is None: | ||
| raise ImportError(_FASTAVRO_REQUIRED) |
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does this need to be parameterized as well?
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Removed the {operation} from error message since I didn't actually need it.
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_StreamParserabstract, and breaks it into two implementations: one for arrow and one for avro. The implementation is selected is based on the schema set in the ReadSession.to_arrowto reader classes.Split out from #8551 so that the changes to
google-cloud-bigquery-storagecan be submitted and released separately from the changes togoogle-cloud-bigquery.