提交 8da4aa5b 编写于 作者: R romanzhukov

DOCSUP-5272: fix PR and ticket comments

上级 812f8ee1
......@@ -111,19 +111,30 @@ It is not possible to set default values for elements in nested data structures.
You can define a [primary key](../../../engines/table-engines/mergetree-family/mergetree.md#primary-keys-and-indexes-in-queries) when creating a table. Primary key can be specified in two ways:
- inside the column list
- Inside the column list
``` sql
CREATE TABLE db.table_name (name1 type1, name2 type2, ..., PRIMARY KEY (expr1[, expr2,...])]) ENGINE = engine;
CREATE TABLE db.table_name
(
name1 type1, name2 type2, ...,
PRIMARY KEY(expr1[, expr2,...])]
)
ENGINE = engine;
```
- outside the column list
- Outside the column list
``` sql
CREATE TABLE db.table_name (name1 type1, name2 type2, ...) ENGINE = engine PRIMARY KEY(expr1[, expr2,...]);
CREATE TABLE db.table_name
(
name1 type1, name2 type2, ...
)
ENGINE = engine
PRIMARY KEY(expr1[, expr2,...]);
```
You can't combine both ways in one query.
!!! warning "Warning"
You can't combine both ways in one query.
## Constraints {#constraints}
......
......@@ -85,19 +85,30 @@ CREATE TABLE [IF NOT EXISTS] [db.]table_name ENGINE = engine AS SELECT ...
Вы можете определить [первичный ключ](../../../engines/table-engines/mergetree-family/mergetree.md#primary-keys-and-indexes-in-queries) при создании таблицы. Первичный ключ может быть указан двумя способами:
- В списке столбцов:
- в списке столбцов:
``` sql
CREATE TABLE db.table_name (name1 type1, name2 type2, ..., PRIMARY KEY (expr1[, expr2,...])]) ENGINE = engine;
CREATE TABLE db.table_name
(
name1 type1, name2 type2, ...,
PRIMARY KEY(expr1[, expr2,...])]
)
ENGINE = engine;
```
- Вне списка столбцов:
- вне списка столбцов:
``` sql
CREATE TABLE db.table_name (name1 type1, name2 type2, ...) ENGINE = engine PRIMARY KEY(expr1[, expr2,...]);
CREATE TABLE db.table_name
(
name1 type1, name2 type2, ...
)
ENGINE = engine
PRIMARY KEY(expr1[, expr2,...]);
```
Вы не можете сочетать оба способа в одном запросе.
!!! warning "Предупреждение"
Вы не можете сочетать оба способа в одном запросе.
### Ограничения (constraints) {#constraints}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册