PECO-1054 Expose Arrow batches to users, part three#166
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rcypher-databricks merged 6 commits intoSep 29, 2023
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September 22, 2023 20:11
| conn, _ := db.Conn(context.BackGround()) | ||
| defer conn.Close() | ||
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| query := `select * from hive_metastore.main.taxi_trip_data` |
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change to UC. main.default.<>
| ctx2, cancel2 := context.WithTimeout(context.Background(), 30*time.Second) | ||
| defer cancel2() | ||
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| batches, err := rows.(dbsqlrows.DBSQLRows).GetArrowBatches(ctx2) |
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is DBSQL something that we actually expose externally as an acronym? Any alternatives to this?
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just a couple of annoying comments to make sure we name things that we expose as interface correctly. The rest looks awesome!
Added DBSqlRows and DBSQLArrowBatchIterator public interfaces. Added arrowRecordIterator which implements DBSQLArrowBatchIterator. Moved closing the db operation from rows type into resultPageIterator as well as properties that are only used by resultPageIterator. Added GetArrowBatches function to rows and arrowRowScanner types. Added HasNext function to BatchIterator and SparkArrowBatch interfaces. Added example for accessing Arrow batches and updated doc.go Signed-off-by: Raymond Cypher <raymond.cypher@databricks.com>
Signed-off-by: Raymond Cypher <raymond.cypher@databricks.com>
Signed-off-by: Raymond Cypher <raymond.cypher@databricks.com>
Renamed DBSQLRows and DBSQLArrowBatchIterator to Rows and ArrowBatchIterator by dropping the DBSQL prefix. Updated example to use UC Signed-off-by: Raymond Cypher <raymond.cypher@databricks.com>
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Signed-off-by: Raymond Cypher <raymond.cypher@databricks.com>
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Bumps the kernel pin from the placeholder statement-surface rev to the tip of the tier2-features branch (databricks-sql-kernel#167 @ 02c0a43), the head of the unmerged kernel PR stack (#165 -> #166 cancel-token -> #167 tier2). It's a linear superset carrying every new C-ABI symbol these driver branches link against: kernel_session_open_cancellable / kernel_result_stream_next_batch_cancellable (cancel token, #166) plus kernel_abi_version, kernel_session_close_blocking, set_tls_client_certificate, set_cloudfetch_enabled (#167). The kernel-lib build fetches the bare commit via its PR-head-ref fallback, so an unmerged SHA is buildable. Temporary: re-pin to the squash-merge SHA once the kernel stack lands. Co-authored-by: Isaac Signed-off-by: Mani Kaustubh Mathur <mani.mathur@databricks.com>
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Bumps the kernel pin from the placeholder statement-surface rev to the tip of the tier2-features branch (databricks-sql-kernel#167 @ 02c0a43), the head of the unmerged kernel PR stack (#165 -> #166 cancel-token -> #167 tier2). It's a linear superset carrying every new C-ABI symbol these driver branches link against: kernel_session_open_cancellable / kernel_result_stream_next_batch_cancellable (cancel token, #166) plus kernel_abi_version, kernel_session_close_blocking, set_tls_client_certificate, set_cloudfetch_enabled (#167). The kernel-lib build fetches the bare commit via its PR-head-ref fallback, so an unmerged SHA is buildable. Temporary: re-pin to the squash-merge SHA once the kernel stack lands. Co-authored-by: Isaac Signed-off-by: Mani Kaustubh Mathur <mani.mathur@databricks.com>
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Added DBSqlRows and DBSQLArrowBatchIterator public interfaces.
Added arrowRecordIterator which implements DBSQLArrowBatchIterator.
Moved closing the database operation from rows type into resultPageIterator as well as properties that are only used by resultPageIterator.
Added GetArrowBatches function to rows and arrowRowScanner types.
Added HasNext function to BatchIterator and SparkArrowBatch interfaces.
Added example for accessing Arrow batches and updated doc.go