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The document mentions that InfluxDBClient.Query method returns one ResultSet per data chunkif chunking is enabled by setting the chunked parameter to True. But only one ResultSet containing alldata rows was being returned. This in effect is like having no chunking and retrieving all data in one shot.Also, for chunked data read to work, streaming should be enabled on the underlying requests.Session.request methodby setting the stream parameter to True. This was not being done.Made the following changes to make the chunked read work as documented.*Updated the method _read_chunked_response to make it a generator that yieldsone ResultSet per data chunk.*Enabling streaming on requests.Session.request by passing the parameter “stream=True”whenever chunking is enabled on InfluxDBClient.Query.*Updated the entire call chain from InfluxDBClient.Query to requests.Session.request methodto support streaming by adding the parameter “stream”.
hrbonz added a commit to hrbonz/influxdb-python that referenced this pull requestSep 8, 2019
When querying large data sets, it's vital to get a chunked responses tomanage memory usage. Wrapping the query response in a generator andstreaming the request provides the desired result.It also fixes `InfluxDBClient.query()` behavior for chunked queries thatis currently not working according to[specs](https://github.com/influxdata/influxdb-python/blob/master/influxdb/client.py#L410)closeinfluxdata#585closeinfluxdata#531
hrbonz added a commit to hrbonz/influxdb-python that referenced this pull requestSep 8, 2019
When querying large data sets, it's vital to get a chunked responses tomanage memory usage. Wrapping the query response in a generator andstreaming the request provides the desired result.It also fixes `InfluxDBClient.query()` behavior for chunked queries thatis currently not working according to[specs](https://github.com/influxdata/influxdb-python/blob/master/influxdb/client.py#L410)closeinfluxdata#585closeinfluxdata#531
hrbonz added a commit to hrbonz/influxdb-python that referenced this pull requestSep 8, 2019
When querying large data sets, it's vital to get a chunked responses tomanage memory usage. Wrapping the query response in a generator andstreaming the request provides the desired result.It also fixes `InfluxDBClient.query()` behavior for chunked queries thatis currently not working according to[specs](https://github.com/influxdata/influxdb-python/blob/master/influxdb/client.py#L410)closeinfluxdata#585closeinfluxdata#531
psy0rz commentedOct 9, 2019
Isnt this trying to fix the same thing as#538 ? |
hrbonz added a commit to hrbonz/influxdb-python that referenced this pull requestMar 23, 2020
When querying large data sets, it's vital to get a chunked responses tomanage memory usage. Wrapping the query response in a generator andstreaming the request provides the desired result.It also fixes `InfluxDBClient.query()` behavior for chunked queries thatis currently not working according to[specs](https://github.com/influxdata/influxdb-python/blob/master/influxdb/client.py#L429)closeinfluxdata#585closeinfluxdata#531
hrbonz added a commit to hrbonz/influxdb-python that referenced this pull requestMar 23, 2020
When querying large data sets, it's vital to get a chunked responses tomanage memory usage. Wrapping the query response in a generator andstreaming the request provides the desired result.It also fixes `InfluxDBClient.query()` behavior for chunked queries thatis currently not working according to[specs](https://github.com/influxdata/influxdb-python/blob/master/influxdb/client.py#L429)closeinfluxdata#585closeinfluxdata#531
Duplicate of#538. |
sebito91 pushed a commit that referenced this pull requestApr 10, 2020
When querying large data sets, it's vital to get a chunked responses tomanage memory usage. Wrapping the query response in a generator andstreaming the request provides the desired result.It also fixes `InfluxDBClient.query()` behavior for chunked queries thatis currently not working according to[specs](https://github.com/influxdata/influxdb-python/blob/master/influxdb/client.py#L429)Closes#585.Closes#531.Closes#538.
ocworld pushed a commit to AhnLab-OSS/influxdb-python that referenced this pull requestApr 13, 2020
When querying large data sets, it's vital to get a chunked responses tomanage memory usage. Wrapping the query response in a generator andstreaming the request provides the desired result.It also fixes `InfluxDBClient.query()` behavior for chunked queries thatis currently not working according to[specs](https://github.com/influxdata/influxdb-python/blob/master/influxdb/client.py#L429)Closesinfluxdata#585.Closesinfluxdata#531.Closesinfluxdata#538.
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The document mentions that InfluxDBClient.Query method returns one ResultSet per data chunk
if chunking is enabled by setting the chunked parameter to True. But only one ResultSet containing all
data rows was being returned. This in effect is like having no chunking and retrieving all data in one shot.
Also, for chunked data read to work, streaming should be enabled on the underlying requests.Session.request method
by setting the stream parameter to True. This was not being done.
Made the following changes to make the chunked read work as documented.
Updated the method _read_chunked_response to make it a generator that yields
one ResultSet per data chunk.
Enabling streaming on requests.Session.request by passing the parameter “stream=True”
whenever chunking is enabled on InfluxDBClient.Query.
Updated the entire call chain from InfluxDBClient.Query to requests.Session.request method
to support streaming by adding the parameter “stream”.