Add python binding and integrate with datafusion-python #3
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This was referenced Apr 2, 2022
jychen7
commented
Apr 3, 2022
| result = ctx.sql( | ||
| "SELECT region, balloon_id, event_minute, temperature, \"_timestamp\" FROM weather_balloons where region = 'us-west2' and balloon_id IN ('3698') and event_minute BETWEEN '2021-03-05-1200' AND '2021-03-05-1201' ORDER BY \"_timestamp\"" | ||
| ).collect() | ||
| assert result.to_pydict() == {} |
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TODO: compile successfully locally (macOS) and fix this test expect output
jychen7
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Apr 3, 2022
python/Cargo.toml
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| pyo3 = { version = "~0.15", features = ["extension-module"] } | ||
| tokio = { version = "1.0", features = ["macros", "rt", "rt-multi-thread", "sync"] } | ||
| datafusion = { version = "^7.0.0", features = ["pyarrow"] } | ||
| datafusion-python = { git = "https://github.com/jychen7/datafusion-python", branch = "register-table" } |
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jychen7
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Apr 3, 2022
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| [packages] | ||
| maturin = "==0.12.11" | ||
| datafusion = "==0.5.1" |
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upgrade to new version after PR datafusion-contrib/datafusion-python#46
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The PR doesn't work because of limitation of pyo3 cross package inheritance detail can be found here |
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depends on datafusion-contrib/datafusion-python#46
PyBigtableTable is a subclass of PyTable (in pyo3 word, it
extends=PyTable)