duckdbenhancementhelp wantedrust
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説明
Problem Statement
Duckdb allows to export a table via COPY/EXPORT command.
https://duckdb.org/docs/sql/statements/export.html
-- export the table contents with the given options
EXPORT DATABASE 'target_directory' (FORMAT CSV, DELIMITER '|');
-- export the table contents as parquet
EXPORT DATABASE 'target_directory' (FORMAT PARQUET);
Desired Behavior
In Lance duckdb extension, we could support COPY statement
COPY (SELECT * FROM tbl) TO 'output.lance' (FORMAT LANCE);