thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-29 19:12:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update docs/en/engines/database-engines/materialized-mysql.md

Browse Source 
Co-authored-by: olgarev <56617294+olgarev@users.noreply.github.com>
This commit is contained in:
Roman Bug 2021-08-07 10:36:48 +03:00 committed by GitHub
parent 6c71fcdeb7
commit c6fcf90bf0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
docs/en/engines/database-engines/materialized-mysql.md
View File

@ -35,7 +35,7 @@ ENGINE = MaterializedMySQL('host:port', ['database' | database], 'user', 'passwo
- `max_bytes_in_buffers` — Maximum number of bytes that data is allowed to cache in memory (for database and the cache data unable to query). When this number is exceeded, the data will be materialized. Default: `1 048 576`. - `max_bytes_in_buffers` — Maximum number of bytes that data is allowed to cache in memory (for database and the cache data unable to query). When this number is exceeded, the data will be materialized. Default: `1 048 576`.
- `max_flush_data_time` — Maximum number of milliseconds that data is allowed to cache in memory (for database and the cache data unable to query). When this time is exceeded, the data will be materialized. Default: `1000`. - `max_flush_data_time` — Maximum number of milliseconds that data is allowed to cache in memory (for database and the cache data unable to query). When this time is exceeded, the data will be materialized. Default: `1000`.
- `max_wait_time_when_mysql_unavailable` — Retry interval when MySQL is not available (milliseconds). Negative value disable retry. Default: `1000`. - `max_wait_time_when_mysql_unavailable` — Retry interval when MySQL is not available (milliseconds). Negative value disable retry. Default: `1000`.
- `allows_query_when_mysql_lost` — Allow query materialized table when MySql is lost. Default: `0` (`false`). - `allows_query_when_mysql_lost` — Allows to query a materialized table when MySQL is lost. Default: `0` (`false`).
```sql ```sql
CREATE DATABASE mysql ENGINE = MaterializedMySQL('localhost:3306', 'db', 'user', '***') CREATE DATABASE mysql ENGINE = MaterializedMySQL('localhost:3306', 'db', 'user', '***')