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Appender

duckdb.org

Appenders are the most efficient way of loading data into DuckDB from within the C interface, and are recommended for fast data loading. The appender is much faster than using prepared statements or individual INSERT INTO statements. Appends are made in row-wise format. For every column, a duckdb_append_[type] call should be made, after which the row should be finished by calling duckdb_appender_end_row. After all r…

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