[ISSUE #12625] FIX tenant_capacity query SQL dialect

config/src/main/java/com/alibaba/nacos/config/server/service/capacity/TenantCapacityPersistService.java

@@ -96,8 +96,8 @@ public TenantCapacity getTenantCapacity(String tenantId) {
         TenantCapacityMapper tenantCapacityMapper = mapperManager.findMapper(dataSourceService.getDataSourceType(),
                 TableConstant.TENANT_CAPACITY);
         String sql = tenantCapacityMapper.select(
-                Arrays.asList("id", "quota", "`usage`", "`max_size`", "max_aggr_count", "max_aggr_size", "tenant_id"),
-                Collections.singletonList("tenant_id"));
+                Arrays.asList("id", "quota", "usage", "max_size",
+                        "max_aggr_count", "max_aggr_size", "tenant_id"), Collections.singletonList("tenant_id"));
         List<TenantCapacity> list = jdbcTemplate.query(sql, new Object[] {tenantId}, TENANT_CAPACITY_ROW_MAPPER);
         if (list.isEmpty()) {
             return null;

plugin/datasource/src/main/java/com/alibaba/nacos/plugin/datasource/impl/mysql/TenantCapacityMapperByMySql.java

@@ -23,14 +23,23 @@
 import com.alibaba.nacos.plugin.datasource.model.MapperContext;
 import com.alibaba.nacos.plugin.datasource.model.MapperResult;
 
+import java.util.List;
+import java.util.stream.Collectors;
+
 /**
  * The mysql implementation of TenantCapacityMapper.
  *
  * @author hyx
  **/
 
 public class TenantCapacityMapperByMySql extends AbstractMapperByMysql implements TenantCapacityMapper {
-
+
+    @Override
+    public String select(List<String> columns, List<String> where) {
+        columns = columns.stream().map(c -> "`" + c + "`").collect(Collectors.toList());
+        return super.select(columns, where);
+    }
+
     @Override
     public String getDataSource() {
         return DataSourceConstant.MYSQL;