java.lang.Object
- com.alibaba.nacos.plugin.datasource.mapper.AbstractMapper
- - com.alibaba.nacos.plugin.datasource.impl.mysql.GroupCapacityMapperByMysql

所有已实现的接口:

GroupCapacityMapper, Mapper
```
public class GroupCapacityMapperByMysql
extends AbstractMapper
implements GroupCapacityMapper
```
The derby implementation of GroupCapacityMapper.

作者:

lixiaoshuang

构造器概要

构造器
构造器说明

GroupCapacityMapperByMysql()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`java.lang.String`	`decrementUsageByWhere()`	used to decrement usage field.
`java.lang.String`	`getDataSource()`	Get the datasource name.
`java.lang.String`	`getTableName()`	Get the name of table.
`java.lang.String`	`incrementUsageByWhere()`	used to increment usage field.
`java.lang.String`	`incrementUsageByWhereQuotaEqualZero()`	used to increment usage field.
`java.lang.String`	`incrementUsageByWhereQuotaNotEqualZero()`	used to increment usage field.
`java.lang.String`	`insertIntoSelect()`	INSERT INTO SELECT statement.
`java.lang.String`	`insertIntoSelectByWhere()`	INSERT INTO SELECT statement.
`java.lang.String`	`selectGroupInfoBySize()`	used to select group info.
`java.lang.String`	`updateUsage()`	used to update usage field.
`java.lang.String`	`updateUsageByWhere()`	used to update usage field.

从类继承的方法 com.alibaba.nacos.plugin.datasource.mapper.AbstractMapper
count, delete, getPrimaryKeyGeneratedKeys, insert, select, update

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 com.alibaba.nacos.plugin.datasource.mapper.Mapper
count, delete, getPrimaryKeyGeneratedKeys, insert, select, update

- 构造器详细资料
  - GroupCapacityMapperByMysql
```
public GroupCapacityMapperByMysql()
```
- 方法详细资料
  - getTableName
```
public java.lang.String getTableName()
```
    从接口复制的说明: Mapper
    
    Get the name of table.
    
    指定者:
    
    getTableName 在接口中 Mapper
    
    返回:
    
    The name of table.
  - getDataSource
```
public java.lang.String getDataSource()
```
    从接口复制的说明: Mapper
    
    Get the datasource name.
    
    指定者:
    
    getDataSource 在接口中 Mapper
    
    返回:
    
    The name of datasource.
  - insertIntoSelect
```
public java.lang.String insertIntoSelect()
```
    从接口复制的说明: GroupCapacityMapper
    
    INSERT INTO SELECT statement. Used to insert query results into a table.
    Example: INSERT INTO group_capacity (group_id, quota,`usage`, `max_size`, max_aggr_count, max_aggr_size,gmt_create, gmt_modified) SELECT ?, ?, count(*), ?, ?, ?, ?, ? FROM config_info;
    
    指定者:
    
    insertIntoSelect 在接口中 GroupCapacityMapper
    
    返回:
    
    sql.
  - insertIntoSelectByWhere
```
public java.lang.String insertIntoSelectByWhere()
```
    从接口复制的说明: GroupCapacityMapper
    
    INSERT INTO SELECT statement. Used to insert query results into a table.
    Where condition: group_id=? AND tenant_id = ''
    Example: INSERT INTO group_capacity (group_id, quota,`usage`, `max_size`, max_aggr_count, max_aggr_size,gmt_create, gmt_modified) SELECT ?, ?, count(*), ?, ?, ?, ?, ? FROM config_info where group_id=? AND tenant_id = '';
    
    指定者:
    
    insertIntoSelectByWhere 在接口中 GroupCapacityMapper
    
    返回:
    
    sql.
  - incrementUsageByWhereQuotaEqualZero
```
public java.lang.String incrementUsageByWhereQuotaEqualZero()
```
    从接口复制的说明: GroupCapacityMapper
    
    used to increment usage field.
    Where condition: group_id = ? AND usage < ? AND quota = 0;
    Example: UPDATE group_capacity SET `usage` = `usage` + 1, gmt_modified = ? WHERE group_id = ? AND `usage` < ? AND quota = 0;
    
    指定者:
    
    incrementUsageByWhereQuotaEqualZero 在接口中 GroupCapacityMapper
    
    返回:
  - incrementUsageByWhereQuotaNotEqualZero
```
public java.lang.String incrementUsageByWhereQuotaNotEqualZero()
```
    从接口复制的说明: GroupCapacityMapper
    
    used to increment usage field.
    Where condition: group_id = ? AND usage < quota AND quota != 0
    Example: UPDATE group_capacity SET `usage` = `usage` + 1, gmt_modified = ? WHERE group_id = ? AND `usage` < quota AND quota != 0;
    
    指定者:
    
    incrementUsageByWhereQuotaNotEqualZero 在接口中 GroupCapacityMapper
    
    返回:
  - incrementUsageByWhere
```
public java.lang.String incrementUsageByWhere()
```
    从接口复制的说明: GroupCapacityMapper
    
    used to increment usage field.
    Where condition: group_id = ?
    Example: UPDATE group_capacity SET `usage` = `usage` + 1, gmt_modified = ? WHERE group_id = ?;
    
    指定者:
    
    incrementUsageByWhere 在接口中 GroupCapacityMapper
    
    返回:
  - decrementUsageByWhere
```
public java.lang.String decrementUsageByWhere()
```
    从接口复制的说明: GroupCapacityMapper
    
    used to decrement usage field.
    Where condition: group_id = ? AND `usage` > 0
    Example: UPDATE group_capacity SET `usage` = `usage` - 1, gmt_modified = ? WHERE group_id = ? AND `usage` > 0;
    
    指定者:
    
    decrementUsageByWhere 在接口中 GroupCapacityMapper
    
    返回:
  - updateUsage
```
public java.lang.String updateUsage()
```
    从接口复制的说明: GroupCapacityMapper
    
    used to update usage field.
    Example: UPDATE group_capacity SET `usage` = (SELECT count(*) FROM config_info), gmt_modified = ? WHERE group_id = ?;
    
    指定者:
    
    updateUsage 在接口中 GroupCapacityMapper
    
    返回:
  - updateUsageByWhere
```
public java.lang.String updateUsageByWhere()
```
    从接口复制的说明: GroupCapacityMapper
    
    used to update usage field.
    Where condition: group_id=? AND tenant_id = ''
    Example: UPDATE group_capacity SET `usage` = (SELECT count(*) FROM config_info WHERE group_id=? AND tenant_id = ''), gmt_modified = ? WHERE group_id= ?;
    
    指定者:
    
    updateUsageByWhere 在接口中 GroupCapacityMapper
    
    返回:
  - selectGroupInfoBySize
```
public java.lang.String selectGroupInfoBySize()
```
    从接口复制的说明: GroupCapacityMapper
    
    used to select group info.
    Example: SELECT id, group_id FROM group_capacity WHERE id>? LIMIT ?;
    
    指定者:
    
    selectGroupInfoBySize 在接口中 GroupCapacityMapper
    
    返回:

类 GroupCapacityMapperByMysql

构造器概要

方法概要

从类继承的方法 com.alibaba.nacos.plugin.datasource.mapper.AbstractMapper

从类继承的方法 java.lang.Object

从接口继承的方法 com.alibaba.nacos.plugin.datasource.mapper.Mapper

构造器详细资料

GroupCapacityMapperByMysql

方法详细资料

getTableName

getDataSource

insertIntoSelect

insertIntoSelectByWhere

incrementUsageByWhereQuotaEqualZero

incrementUsageByWhereQuotaNotEqualZero

incrementUsageByWhere

decrementUsageByWhere

updateUsage

updateUsageByWhere

selectGroupInfoBySize