ClickHouse/docs/es/engines/database-engines/mysql.md

136 lines
4.1 KiB
Markdown
Raw Normal View History

2020-03-30 08:25:29 +00:00
---
machine_translated: true
2020-04-04 09:15:31 +00:00
machine_translated_rev: 3e185d24c9fe772c7cf03d5475247fb829a21dfa
toc_priority: 30
toc_title: MySQL
2020-03-30 08:25:29 +00:00
---
2020-04-04 09:15:31 +00:00
# Mysql {#mysql}
2020-04-04 09:15:31 +00:00
Permite conectarse a bases de datos en un servidor MySQL remoto y realizar `INSERT` y `SELECT` consultas para intercambiar datos entre ClickHouse y MySQL.
El `MySQL` motor de base de datos traducir consultas al servidor MySQL para que pueda realizar operaciones tales como `SHOW TABLES` o `SHOW CREATE TABLE`.
No puede realizar las siguientes consultas:
- `RENAME`
- `CREATE TABLE`
- `ALTER`
## Creación De Una Base De Datos {#creating-a-database}
``` sql
CREATE DATABASE [IF NOT EXISTS] db_name [ON CLUSTER cluster]
ENGINE = MySQL('host:port', 'database', 'user', 'password')
```
**Parámetros del motor**
2020-04-04 09:15:31 +00:00
- `host:port` — MySQL server address.
- `database` — Remote database name.
- `user` — MySQL user.
- `password` — User password.
## Soporte De Tipos De Datos {#data_types-support}
2020-04-04 09:15:31 +00:00
| MySQL | Haga clic en Casa |
|----------------------------------|--------------------------------------------------------------|
| UNSIGNED TINYINT | [UInt8](../../sql-reference/data-types/int-uint.md) |
| TINYINT | [Int8](../../sql-reference/data-types/int-uint.md) |
| UNSIGNED SMALLINT | [UInt16](../../sql-reference/data-types/int-uint.md) |
| SMALLINT | [Int16](../../sql-reference/data-types/int-uint.md) |
| UNSIGNED INT, UNSIGNED MEDIUMINT | [UInt32](../../sql-reference/data-types/int-uint.md) |
| INT, MEDIUMINT | [Int32](../../sql-reference/data-types/int-uint.md) |
| UNSIGNED BIGINT | [UInt64](../../sql-reference/data-types/int-uint.md) |
| BIGINT | [Int64](../../sql-reference/data-types/int-uint.md) |
| FLOAT | [Float32](../../sql-reference/data-types/float.md) |
| DOUBLE | [Float64](../../sql-reference/data-types/float.md) |
| DATE | [Fecha](../../sql-reference/data-types/date.md) |
| DATETIME, TIMESTAMP | [FechaHora](../../sql-reference/data-types/datetime.md) |
| BINARY | [Cadena fija](../../sql-reference/data-types/fixedstring.md) |
Todos los demás tipos de datos MySQL se convierten en [Cadena](../../sql-reference/data-types/string.md).
[NULL](../../sql-reference/data-types/nullable.md) se admite.
## Ejemplos De Uso {#examples-of-use}
Tabla en MySQL:
``` text
mysql> USE test;
Database changed
mysql> CREATE TABLE `mysql_table` (
-> `int_id` INT NOT NULL AUTO_INCREMENT,
-> `float` FLOAT NOT NULL,
-> PRIMARY KEY (`int_id`));
Query OK, 0 rows affected (0,09 sec)
mysql> insert into mysql_table (`int_id`, `float`) VALUES (1,2);
Query OK, 1 row affected (0,00 sec)
mysql> select * from mysql_table;
2020-04-04 09:15:31 +00:00
+------+-----+
| int_id | value |
2020-04-04 09:15:31 +00:00
+------+-----+
| 1 | 2 |
2020-04-04 09:15:31 +00:00
+------+-----+
1 row in set (0,00 sec)
```
Base de datos en ClickHouse, intercambiando datos con el servidor MySQL:
``` sql
CREATE DATABASE mysql_db ENGINE = MySQL('localhost:3306', 'test', 'my_user', 'user_password')
```
``` sql
SHOW DATABASES
```
``` text
┌─name─────┐
│ default │
│ mysql_db │
│ system │
└──────────┘
```
``` sql
SHOW TABLES FROM mysql_db
```
``` text
┌─name─────────┐
│ mysql_table │
└──────────────┘
```
``` sql
SELECT * FROM mysql_db.mysql_table
```
``` text
┌─int_id─┬─value─┐
│ 1 │ 2 │
└────────┴───────┘
```
``` sql
INSERT INTO mysql_db.mysql_table VALUES (3,4)
```
``` sql
SELECT * FROM mysql_db.mysql_table
```
``` text
┌─int_id─┬─value─┐
│ 1 │ 2 │
│ 3 │ 4 │
└────────┴───────┘
```
2020-04-04 09:15:31 +00:00
[Artículo Original](https://clickhouse.tech/docs/en/database_engines/mysql/) <!--hide-->