feat: FindInSetEnum、NameToTypeEnum 融合为DbTypeEnum

This commit is contained in:
dhb52 2024-06-22 16:56:23 +08:00
parent 355e47c371
commit 3c5309b14e
5 changed files with 77 additions and 121 deletions

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@ -0,0 +1,73 @@
package cn.iocoder.yudao.framework.mybatis.core.enums;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.annotation.DbType;
import lombok.AllArgsConstructor;
import lombok.Getter;
import java.util.Arrays;
import java.util.Map;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;
@Getter
@AllArgsConstructor
public enum DbTypeEnum {
/**
* MySQL
*/
MY_SQL("MySQL", "FIND_IN_SET('#{value}', #{column}) <> 0", DbType.MYSQL),
/**
* Oracle
*/
ORACLE("Oracle", "FIND_IN_SET('#{value}', #{column}) <> 0", DbType.ORACLE),
/**
* PostgreSQL
*/
POSTGRE_SQL("PostgreSQL", "POSITION('#{value}' IN #{column}) <> 0", DbType.POSTGRE_SQL),
/**
* SQL Server
*/
SQL_SERVER("Microsoft SQL Server", "CHARINDEX(',' + #{value} + ',', ',' + #{column} + ',') <> 0", DbType.SQL_SERVER),
/**
* 达梦
*/
DM("DM DBMS", "FIND_IN_SET('#{value}', #{column}) <> 0", DbType.DM),
/**
* 人大金仓
*/
KINGBASE_ES("KingbaseES", "POSITION('#{value}' IN #{column}) <> 0", DbType.KINGBASE_ES),
// 华为openGauss 使用ProductName PostgreSQL相同
;
public static final Map<String, DbTypeEnum> MAP_BY_NAME = Arrays.stream(values())
.collect(Collectors.toMap(DbTypeEnum::getName, Function.identity()));
public static final Map<DbType, DbTypeEnum> MAP_BY_MP = Arrays.stream(values())
.collect(Collectors.toMap(DbTypeEnum::getMpDbType, Function.identity()));
private final String name;
private final String findInSetTemplate;
private final DbType mpDbType;
public static DbType find(String databaseProductName) {
if (StrUtil.isBlank(databaseProductName)) {
return null;
}
return MAP_BY_NAME.get(databaseProductName).getMpDbType();
}
public static String getFindInSetTemplate(DbType dbType) {
return Optional.of(MAP_BY_MP.get(dbType).getFindInSetTemplate())
.orElseThrow(() -> new IllegalArgumentException("FIND_IN_SET not supported"));
}
}

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@ -1,50 +0,0 @@
package cn.iocoder.yudao.framework.mybatis.core.enums;
import com.baomidou.mybatisplus.annotation.DbType;
import lombok.AllArgsConstructor;
import lombok.Getter;
import java.util.Arrays;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* find_in_set函数的跨数据库实现
*
* @author dhb52
*/
@Getter
@AllArgsConstructor
public enum FindInSetEnum {
// FIND_IN_SET: MySQL 类型
MYSQL("FIND_IN_SET('#{value}', #{column}) <> 0", DbType.MYSQL),
DM("FIND_IN_SET('#{value}', #{column}) <> 0", DbType.DM),
// INSTR: Oracle 类型
ORACLE("INSTR(','||#{column}||',' , ',#{value},') <> 0", DbType.ORACLE),
// CHARINDEX: SQLServer
SQLSERVER("CHARINDEX(',' + #{value} + ',', ',' + #{column} + ',')", DbType.SQL_SERVER),
// POSITION: PostgreSQL 类型
POSTGRE_SQL("POSITION('#{value}' IN #{column})", DbType.POSTGRE_SQL),
KINGBASE_ES("POSITION('#{value}' IN #{column})", DbType.KINGBASE_ES),
// LOCATE: 其他
H2("LOCATE('#{value}' IN #{column})", DbType.H2),
;
public static final Map<DbType, String> MAPS = Arrays.stream(values())
.collect(Collectors.toMap(FindInSetEnum::getDbType, FindInSetEnum::getSqlTemplate));
private String sqlTemplate;
private DbType dbType;
public static String getTemplate(DbType dbType) {
return Optional.of(MAPS.get(dbType))
.orElseThrow(() -> new IllegalArgumentException("FIND_IN_SET not supported"));
}
}

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@ -1,67 +0,0 @@
package cn.iocoder.yudao.framework.mybatis.core.enums;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.annotation.DbType;
import lombok.AllArgsConstructor;
import lombok.Getter;
import java.util.Arrays;
import java.util.Map;
import java.util.stream.Collectors;
// TODO @dhb52是不是把 FindInSetEnumNameToTypeEnum 融合搞成 DbTypeEnum然后里面 typeproductNamefindInSet
/**
* 数据库产品名 => mp DbType 的映射关系
*
* @author dhb52
*/
@Getter
@AllArgsConstructor
public enum NameToTypeEnum {
/**
* MySQL
*/
MY_SQL("MySQL", DbType.MYSQL),
/**
* Oracle
*/
ORACLE("Oracle", DbType.ORACLE),
/**
* PostgreSQL
*/
POSTGRE_SQL("PostgreSQL", DbType.POSTGRE_SQL),
/**
* SQL Server
*/
SQL_SERVER("Microsoft SQL Server", DbType.SQL_SERVER),
/**
* 达梦
*/
DM("DM DBMS", DbType.DM),
/**
* 人大金仓
*/
KINGBASE_ES("KingbaseES", DbType.KINGBASE_ES),
// 华为openGauss ProductName PostgreSQL相同
;
private final String name;
private final DbType type;
public static final Map<String, DbType> MAPS = Arrays.stream(values())
.collect(Collectors.toMap(NameToTypeEnum::getName, NameToTypeEnum::getType));
public static DbType find(String databaseProductName) {
if (StrUtil.isBlank(databaseProductName)) {
return null;
}
return MAPS.get(databaseProductName);
}
}

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@ -1,7 +1,7 @@
package cn.iocoder.yudao.framework.mybatis.core.util;
import cn.iocoder.yudao.framework.common.util.spring.SpringUtils;
import cn.iocoder.yudao.framework.mybatis.core.enums.NameToTypeEnum;
import cn.iocoder.yudao.framework.mybatis.core.enums.DbTypeEnum;
import com.baomidou.dynamic.datasource.DynamicRoutingDataSource;
import com.baomidou.mybatisplus.annotation.DbType;
@ -52,7 +52,7 @@ public class JdbcUtils {
DynamicRoutingDataSource dynamicRoutingDataSource = SpringUtils.getBean(DynamicRoutingDataSource.class);
DataSource dataSource = dynamicRoutingDataSource.determineDataSource();
try (Connection conn = dataSource.getConnection()) {
return NameToTypeEnum.find(conn.getMetaData().getDatabaseProductName());
return DbTypeEnum.find(conn.getMetaData().getDatabaseProductName());
} catch (SQLException e) {
throw new IllegalArgumentException(e.getMessage());
}

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@ -4,7 +4,7 @@ import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.pojo.PageParam;
import cn.iocoder.yudao.framework.common.pojo.SortingField;
import cn.iocoder.yudao.framework.mybatis.core.enums.FindInSetEnum;
import cn.iocoder.yudao.framework.mybatis.core.enums.DbTypeEnum;
import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
@ -98,7 +98,7 @@ public class MyBatisUtils {
public static String findInSet(String column, Object value) {
// 这里不用SqlConstants.DB_TYPE因为它是使用 primary 数据源的 url 推断出来的类型
DbType dbType = JdbcUtils.getDbType();
return FindInSetEnum.getTemplate(dbType)
return DbTypeEnum.getFindInSetTemplate(dbType)
.replace("#{column}", column)
.replace("#{value}", StrUtil.toString(value));
}