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DuckDB 2.0 ドキュメント 全文検索
Results of 1 - 1 of about 1 for RecordReader (0.001 sec.)
- Handle Results 9414
- Overview DuckDB is columnar, and beyond reading a result set row by row through database/sql , the Go client can exchange whole results with Apache Arrow as a stream of record batches, and register an Arrow stream as a queryable view. Both
...rap a raw DuckDB connection with duckdb.NewArrowFromConn() , then call QueryContext() to run a query and get back an array.RecordReader . Iterate it with Next() , reading one arrow.RecordBatch at a time, and release it when done: connector, err := duckdb.New...as database/sql queries . Registering an Arrow Stream as a View An Arrow stream produced elsewhere in a program, an array.RecordReader , can be registered as a DuckDB view and queried in SQL. RegisterView() takes the reader and a view name, and returns a re... - https://man.mtool.work/duckdb/2.0/clients/go/result_handling.html
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