benchmark/disk_cache_merge_into/control_insert_only.sql
Rama main · réplica de lectura del repositorio original.
-- Control query: no matched clause means no target RowFetch is required.
-- All generated ids are outside the target range.
MERGE INTO merge_cache_target AS target
USING (
SELECT
5000000 + number AS id,
2::UINT32 AS version,
concat('inserted-', md5(to_string(number))) AS update_marker,
repeat('i', 128) AS payload_01,
repeat('i', 128) AS payload_02,
repeat('i', 128) AS payload_03,
repeat('i', 128) AS payload_04,
repeat('i', 128) AS payload_05,
repeat('i', 128) AS payload_06,
repeat('i', 128) AS payload_07,
repeat('i', 128) AS payload_08,
repeat('i', 128) AS payload_09,
repeat('i', 128) AS payload_10,
repeat('i', 128) AS payload_11,
repeat('i', 128) AS payload_12,
repeat('i', 128) AS payload_13,
repeat('i', 128) AS payload_14,
repeat('i', 128) AS payload_15,
repeat('i', 128) AS payload_16
FROM numbers(250000)
) AS source
ON target.id = source.id
WHEN NOT MATCHED THEN INSERT (
id,
group_id,
version,
update_marker,
payload_01,
payload_02,
payload_03,
payload_04,
payload_05,
payload_06,
payload_07,
payload_08,
payload_09,
payload_10,
payload_11,
payload_12,
payload_13,
payload_14,
payload_15,
payload_16
) VALUES (
source.id,
(source.id % 4096)::UINT32,
source.version,
source.update_marker,
source.payload_01,
source.payload_02,
source.payload_03,
source.payload_04,
source.payload_05,
source.payload_06,
source.payload_07,
source.payload_08,
source.payload_09,
source.payload_10,
source.payload_11,
source.payload_12,
source.payload_13,
source.payload_14,
source.payload_15,
source.payload_16
);