|
| 1 | +--- |
| 2 | +title: FUSE_TIME_TRAVEL_SIZE |
| 3 | +--- |
| 4 | +import FunctionDescription from '@site/src/components/FunctionDescription'; |
| 5 | + |
| 6 | +<FunctionDescription description="ๅผๅ
ฅๆๆดๆฐไบ๏ผv1.2.684"/> |
| 7 | + |
| 8 | +่ฎก็ฎ่กจ็ๅๅฒๆฐๆฎ๏ผ็จไบๆถ้ดๅๆบฏ๏ผ็ๅญๅจๅคงๅฐใ |
| 9 | + |
| 10 | +## ่ฏญๆณ |
| 11 | + |
| 12 | +```sql |
| 13 | +-- ่ฎก็ฎๆๆๆฐๆฎๅบไธญๆๆ่กจ็ๅๅฒๆฐๆฎๅคงๅฐ |
| 14 | +SELECT ... |
| 15 | +FROM fuse_time_travel_size(); |
| 16 | + |
| 17 | +-- ่ฎก็ฎๆๅฎๆฐๆฎๅบไธญๆๆ่กจ็ๅๅฒๆฐๆฎๅคงๅฐ |
| 18 | +SELECT ... |
| 19 | +FROM fuse_time_travel_size('<database_name>'); |
| 20 | + |
| 21 | +-- ่ฎก็ฎๆๅฎๆฐๆฎๅบไธญๆๅฎ่กจ็ๅๅฒๆฐๆฎๅคงๅฐ |
| 22 | +SELECT ... |
| 23 | +FROM fuse_time_travel_size('<database_name>', '<table_name>')); |
| 24 | +``` |
| 25 | + |
| 26 | +## ่พๅบ |
| 27 | + |
| 28 | +่ฏฅๅฝๆฐ่ฟๅไธไธชๅ
ๅซไปฅไธๅ็็ปๆ้๏ผ |
| 29 | + |
| 30 | +| ๅๅ | ๆ่ฟฐ | |
| 31 | +|----------------------------------|-------------------------------------------------------------------------------------------------------| |
| 32 | +| `database_name` | ่กจๆๅจ็ๆฐๆฎๅบๅ็งฐใ | |
| 33 | +| `table_name` | ่กจ็ๅ็งฐใ | |
| 34 | +| `is_dropped` | ่กจ็คบ่กจๆฏๅฆๅทฒ่ขซๅ ้ค๏ผ`true` ่กจ็คบๅทฒๅ ้ค๏ผ`false` ่กจ็คบๆชๅ ้ค๏ผใ | |
| 35 | +| `time_travel_size` | ่กจ็ๅๅฒๆฐๆฎ๏ผ็จไบๆถ้ดๅๆบฏ๏ผ็ๆปๅญๅจๅคงๅฐ๏ผๅไฝไธบๅญ่ใ | |
| 36 | +| `latest_snapshot_size` | ่กจ็ๆๆฐๅฟซ็
ง็ๅญๅจๅคงๅฐ๏ผๅไฝไธบๅญ่ใ | |
| 37 | +| `data_retention_period_in_hours` | ๆถ้ดๅๆบฏๆฐๆฎ็ไฟ็ๆถ้ด๏ผๅไฝไธบๅฐๆถ๏ผ`NULL` ่กจ็คบไฝฟ็จ้ป่ฎคไฟ็็ญ็ฅ๏ผใ | |
| 38 | +| `error` | ่ทๅๅญๅจๅคงๅฐๆถ้ๅฐ็ไปปไฝ้่ฏฏ๏ผๅฆๆๆฒกๆ้่ฏฏๅ็๏ผๅไธบ `NULL`๏ผใ | |
| 39 | + |
| 40 | +## ็คบไพ |
| 41 | + |
| 42 | +ไปฅไธ็คบไพ่ฎก็ฎ `default` ๆฐๆฎๅบไธญๆๆ่กจ็ๅๅฒๆฐๆฎ๏ผ |
| 43 | + |
| 44 | +```sql |
| 45 | +SELECT * FROM fuse_time_travel_size('default') |
| 46 | + |
| 47 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ |
| 48 | +โ database_name โ table_name โ is_dropped โ time_travel_size โ latest_snapshot_size โ data_retention_period_in_hours โ error โ |
| 49 | +โโโโโโโโโโโโโโโโโผโโโโโโโโโโโโโผโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโผโโโโโโโโโโโโโโโโโโโค |
| 50 | +โ default โ books โ true โ 2810 โ 1490 โ NULL โ NULL โ |
| 51 | +โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ |
| 52 | +``` |
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