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FUSE_SNAPSHOT

Returns the snapshot information of a table. For more information about what is snapshot in Databend, see What are Snapshot, Segment, and Block?.

See Also:

Syntax

FUSE_SNAPSHOT('<database_name>', '<table_name>')

Examples

CREATE TABLE mytable(a int, b int) CLUSTER BY(a+1);

INSERT INTO mytable VALUES(1,1),(3,3);
INSERT INTO mytable VALUES(2,2),(5,5);
INSERT INTO mytable VALUES(4,4);

SELECT * FROM FUSE_SNAPSHOT('default','mytable');

---
| snapshot_id | snapshot_location | format_version | previous_snapshot_id | segment_count | block_count | row_count | bytes_uncompressed | bytes_compressed | index_size | timestamp |
|----------------------------------|------------------------------------------------------------|----------------|----------------------------------|---------------|-------------|-----------|--------------------|------------------|------------|----------------------------|
| a13d211b7421432898a3786848b8ced3 | 670655/783287/_ss/a13d211b7421432898a3786848b8ced3_v1.json | 1 | \N | 1 | 1 | 2 | 16 | 290 | 363 | 2022-09-19 14:51:52.860425 |
| cf08e6af6c134642aeb76bc81e6e7580 | 670655/783287/_ss/cf08e6af6c134642aeb76bc81e6e7580_v1.json | 1 | a13d211b7421432898a3786848b8ced3 | 2 | 2 | 4 | 32 | 580 | 726 | 2022-09-19 14:52:15.282943 |
| 1bd4f68b831a402e8c42084476461aa1 | 670655/783287/_ss/1bd4f68b831a402e8c42084476461aa1_v1.json | 1 | cf08e6af6c134642aeb76bc81e6e7580 | 3 | 3 | 5 | 40 | 862 | 1085 | 2022-09-19 14:52:20.284347 |