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Import from Numpy 9414
It is possible to query Numpy arrays from DuckDB. There is no need to register the arrays manually – DuckDB can find them in the Python process by name thanks to replacement scans . For example: import duckdb import numpy as np columns = { ... .array([9.0, 8.0, 7.0]), } print(duckdb.sql("SELECT * FROM columns").fetchall()) [(1, 9.0), (2, 8.0), (3, 7.0)] Each array supplies one column. DuckDB also accepts a two-dimensional array, treating each outer array as a column. Transpose an array whose o ...
https://man.mtool.work/duckdb/2.0/guides/python/import_numpy.html
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