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Renaming for clearer comprehension

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This commit is contained in:
Youenn Lebras 2023-04-18 14:53:00 +02:00
parent 082c5b0224
commit 066f5ac8fd
1 changed files with 6 additions and 3 deletions
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9
docs/en/engines/table-engines/mergetree-family/replacingmergetree.md
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@ -20,7 +20,7 @@ CREATE TABLE [IF NOT EXISTS] [db.]table_name [ON CLUSTER cluster]
name1 [type1] [DEFAULT|MATERIALIZED|ALIAS expr1],
name2 [type2] [DEFAULT|MATERIALIZED|ALIAS expr2],
...
) ENGINE = ReplacingMergeTree([ver [, is_del]])
) ENGINE = ReplacingMergeTree([ver [, is_deleted]])
[PARTITION BY expr]
[ORDER BY expr]
[PRIMARY KEY expr]
@ -88,14 +88,17 @@ SELECT * FROM mySecondReplacingMT FINAL;
└─────┴─────────┴─────────────────────┘
```
### is_del
### is_deleted
`is_del` — Name of the column with the type of row: `1` is a “deleted“ row, `0` is a “state“ row.
`is_deleted` — Name of the column with the type of row: `1` is a “deleted“ row, `0` is a “state“ row.
Column data type — `Int8`.
Can only be enabled when `ver` is used.
The row is deleted when use the `OPTIMIZE ... FINAL CLEANUP`, or `OPTIMIZE ... FINAL` if the engine settings `clean_deleted_rows` has been set to `Always`.
No matter the operation on the data, the version must be increased. If two inserted rows have the same version number, the last inserted one is the one kept.
## Query clauses