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...document/content/user-manual/shardingsphere-jdbc/unsupported/p6spy/_index.cn.md
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title = "P6Spy" | ||
weight = 6 | ||
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## 背景信息 | ||
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ShardingSphere 通过 `org.apache.shardingsphere:shardingsphere-infra-database-p6spy` 模块, | ||
对 `com.p6spy.engine.spy.P6SpyDriver` 提供部分支持。 | ||
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## 前提条件 | ||
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要在 ShardingSphere 的配置文件为 MySQL Server 数据节点使用 P6Spy, 可能的 Maven 依赖关系如下, | ||
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```xml | ||
<dependencies> | ||
<dependency> | ||
<groupId>org.apache.shardingsphere</groupId> | ||
<artifactId>shardingsphere-jdbc</artifactId> | ||
<version>${shardingsphere.version}</version> | ||
</dependency> | ||
<dependency> | ||
<groupId>p6spy</groupId> | ||
<artifactId>p6spy</artifactId> | ||
<version>3.9.1</version> | ||
</dependency> | ||
<dependency> | ||
<groupId>com.mysql</groupId> | ||
<artifactId>mysql-connector-j</artifactId> | ||
<version>9.1.0</version> | ||
</dependency> | ||
</dependencies> | ||
``` | ||
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## 配置示例 | ||
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### 启动 MySQL Server | ||
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编写 Docker Compose 文件来启动 MySQL Server。 | ||
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```yaml | ||
services: | ||
mysql: | ||
image: mysql:9.1.0 | ||
environment: | ||
MYSQL_ROOT_PASSWORD: example | ||
volumes: | ||
- ./mysql/docker-entrypoint-initdb.d:/docker-entrypoint-initdb.d | ||
ports: | ||
- "3306:3306" | ||
``` | ||
`./docker-entrypoint-initdb.d` 文件夹包含文件为 `init.sh`,内容如下, | ||
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```shell | ||
#!/bin/bash | ||
set -e | ||
mysql -uroot -p"$MYSQL_ROOT_PASSWORD" <<EOSQL | ||
CREATE DATABASE demo_ds_0; | ||
CREATE DATABASE demo_ds_1; | ||
CREATE DATABASE demo_ds_2; | ||
EOSQL | ||
for i in "demo_ds_0" "demo_ds_1" "demo_ds_2" | ||
do | ||
mysql -uroot -p"$MYSQL_ROOT_PASSWORD" "$i" <<'EOSQL' | ||
CREATE TABLE IF NOT EXISTS t_order ( | ||
order_id BIGINT NOT NULL AUTO_INCREMENT, | ||
order_type INT(11), | ||
user_id INT NOT NULL, | ||
address_id BIGINT NOT NULL, | ||
status VARCHAR(50), | ||
PRIMARY KEY (order_id) | ||
); | ||
EOSQL | ||
done | ||
``` | ||
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### 在业务项目创建 ShardingSphere 数据源 | ||
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在业务项目引入前提条件涉及的依赖后,在业务项目的 classpath 上编写 ShardingSphere 数据源的配置文件`demo.yaml`, | ||
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```yaml | ||
dataSources: | ||
ds_0: | ||
dataSourceClassName: com.zaxxer.hikari.HikariDataSource | ||
driverClassName: com.p6spy.engine.spy.P6SpyDriver | ||
jdbcUrl: jdbc:p6spy:mysql://localhost:3306/demo_ds_0?sslMode=REQUIRED | ||
username: root | ||
password: example | ||
ds_1: | ||
dataSourceClassName: com.zaxxer.hikari.HikariDataSource | ||
driverClassName: com.p6spy.engine.spy.P6SpyDriver | ||
jdbcUrl: jdbc:p6spy:mysql://localhost:3306/demo_ds_1?sslMode=REQUIRED | ||
username: root | ||
password: example | ||
ds_2: | ||
dataSourceClassName: com.zaxxer.hikari.HikariDataSource | ||
driverClassName: com.p6spy.engine.spy.P6SpyDriver | ||
jdbcUrl: jdbc:p6spy:mysql://localhost:3306/demo_ds_2?sslMode=REQUIRED | ||
username: root | ||
password: example | ||
rules: | ||
- !SHARDING | ||
tables: | ||
t_order: | ||
actualDataNodes: | ||
keyGenerateStrategy: | ||
column: order_id | ||
keyGeneratorName: snowflake | ||
defaultDatabaseStrategy: | ||
standard: | ||
shardingColumn: user_id | ||
shardingAlgorithmName: inline | ||
shardingAlgorithms: | ||
inline: | ||
type: INLINE | ||
props: | ||
algorithm-expression: ds_${user_id % 2} | ||
keyGenerators: | ||
snowflake: | ||
type: SNOWFLAKE | ||
``` | ||
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### 享受集成 | ||
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创建 ShardingSphere 的数据源以享受集成, | ||
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```java | ||
import com.zaxxer.hikari.HikariConfig; | ||
import com.zaxxer.hikari.HikariDataSource; | ||
import java.sql.Connection; | ||
import java.sql.SQLException; | ||
import java.sql.Statement; | ||
public class ExampleUtils { | ||
void test() throws SQLException { | ||
HikariConfig config = new HikariConfig(); | ||
config.setJdbcUrl("jdbc:shardingsphere:classpath:demo.yaml"); | ||
config.setDriverClassName("org.apache.shardingsphere.driver.ShardingSphereDriver"); | ||
try (HikariDataSource dataSource = new HikariDataSource(config); | ||
Connection connection = dataSource.getConnection(); | ||
Statement statement = connection.createStatement()) { | ||
statement.execute("INSERT INTO t_order (user_id, order_type, address_id, status) VALUES (1, 1, 1, 'INSERT_TEST')"); | ||
statement.executeQuery("SELECT * FROM t_order"); | ||
statement.execute("alter table t_order delete where order_id=1"); | ||
} | ||
} | ||
} | ||
``` | ||
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## 使用限制 | ||
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目前仅支持为 MySQL JDBC Driver 配置 P6Spy。 |
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title = "P6Spy" | ||
weight = 6 | ||
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## Background Information | ||
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ShardingSphere provides partial support for `com.p6spy.engine.spy.P6SpyDriver` through the | ||
`org.apache.shardingsphere:shardingsphere-infra-database-p6spy` module. | ||
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## Prerequisites | ||
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To use P6Spy for MySQL Server data nodes in ShardingSphere's configuration file, | ||
the possible Maven dependencies are as follows, | ||
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```xml | ||
<dependencies> | ||
<dependency> | ||
<groupId>org.apache.shardingsphere</groupId> | ||
<artifactId>shardingsphere-jdbc</artifactId> | ||
<version>${shardingsphere.version}</version> | ||
</dependency> | ||
<dependency> | ||
<groupId>p6spy</groupId> | ||
<artifactId>p6spy</artifactId> | ||
<version>3.9.1</version> | ||
</dependency> | ||
<dependency> | ||
<groupId>com.mysql</groupId> | ||
<artifactId>mysql-connector-j</artifactId> | ||
<version>9.1.0</version> | ||
</dependency> | ||
</dependencies> | ||
``` | ||
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## Configuration Example | ||
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### Start MySQL Server | ||
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Write a Docker Compose file to start MySQL Server. | ||
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```yaml | ||
services: | ||
mysql: | ||
image: mysql:9.1.0 | ||
environment: | ||
MYSQL_ROOT_PASSWORD: example | ||
volumes: | ||
- ./mysql/docker-entrypoint-initdb.d:/docker-entrypoint-initdb.d | ||
ports: | ||
- "3306:3306" | ||
``` | ||
The `./docker-entrypoint-initdb.d` folder contains the file `init.sh`, the content is as follows, | ||
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```shell | ||
#!/bin/bash | ||
set -e | ||
mysql -uroot -p"$MYSQL_ROOT_PASSWORD" <<EOSQL | ||
CREATE DATABASE demo_ds_0; | ||
CREATE DATABASE demo_ds_1; | ||
CREATE DATABASE demo_ds_2; | ||
EOSQL | ||
for i in "demo_ds_0" "demo_ds_1" "demo_ds_2" | ||
do | ||
mysql -uroot -p"$MYSQL_ROOT_PASSWORD" "$i" <<'EOSQL' | ||
CREATE TABLE IF NOT EXISTS t_order ( | ||
order_id BIGINT NOT NULL AUTO_INCREMENT, | ||
order_type INT(11), | ||
user_id INT NOT NULL, | ||
address_id BIGINT NOT NULL, | ||
status VARCHAR(50), | ||
PRIMARY KEY (order_id) | ||
); | ||
EOSQL | ||
done | ||
``` | ||
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### Create ShardingSphere data source in business project | ||
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After the business project introduces the dependencies involved in the prerequisites, | ||
write the ShardingSphere data source configuration file `demo.yaml` on the classpath of the business project. | ||
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```yaml | ||
dataSources: | ||
ds_0: | ||
dataSourceClassName: com.zaxxer.hikari.HikariDataSource | ||
driverClassName: com.p6spy.engine.spy.P6SpyDriver | ||
jdbcUrl: jdbc:p6spy:mysql://localhost:3306/demo_ds_0?sslMode=REQUIRED | ||
username: root | ||
password: example | ||
ds_1: | ||
dataSourceClassName: com.zaxxer.hikari.HikariDataSource | ||
driverClassName: com.p6spy.engine.spy.P6SpyDriver | ||
jdbcUrl: jdbc:p6spy:mysql://localhost:3306/demo_ds_1?sslMode=REQUIRED | ||
username: root | ||
password: example | ||
ds_2: | ||
dataSourceClassName: com.zaxxer.hikari.HikariDataSource | ||
driverClassName: com.p6spy.engine.spy.P6SpyDriver | ||
jdbcUrl: jdbc:p6spy:mysql://localhost:3306/demo_ds_2?sslMode=REQUIRED | ||
username: root | ||
password: example | ||
rules: | ||
- !SHARDING | ||
tables: | ||
t_order: | ||
actualDataNodes: | ||
keyGenerateStrategy: | ||
column: order_id | ||
keyGeneratorName: snowflake | ||
defaultDatabaseStrategy: | ||
standard: | ||
shardingColumn: user_id | ||
shardingAlgorithmName: inline | ||
shardingAlgorithms: | ||
inline: | ||
type: INLINE | ||
props: | ||
algorithm-expression: ds_${user_id % 2} | ||
keyGenerators: | ||
snowflake: | ||
type: SNOWFLAKE | ||
``` | ||
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### Enjoy integration | ||
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Create a ShardingSphere data source to enjoy integration, | ||
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```java | ||
import com.zaxxer.hikari.HikariConfig; | ||
import com.zaxxer.hikari.HikariDataSource; | ||
import java.sql.Connection; | ||
import java.sql.SQLException; | ||
import java.sql.Statement; | ||
public class ExampleUtils { | ||
void test() throws SQLException { | ||
HikariConfig config = new HikariConfig(); | ||
config.setJdbcUrl("jdbc:shardingsphere:classpath:demo.yaml"); | ||
config.setDriverClassName("org.apache.shardingsphere.driver.ShardingSphereDriver"); | ||
try (HikariDataSource dataSource = new HikariDataSource(config); | ||
Connection connection = dataSource.getConnection(); | ||
Statement statement = connection.createStatement()) { | ||
statement.execute("INSERT INTO t_order (user_id, order_type, address_id, status) VALUES (1, 1, 1, 'INSERT_TEST')"); | ||
statement.executeQuery("SELECT * FROM t_order"); | ||
statement.execute("alter table t_order delete where order_id=1"); | ||
} | ||
} | ||
} | ||
``` | ||
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## Usage Limitations | ||
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Currently only supports configuring P6Spy for MySQL JDBC Driver. |
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