a1f52ec2ab
* [SQL] Support where, limit, order clause in show resourcestmt.
Grammar
SHOW RESOURCES
[
WHERE
[NAME [ = "your_resource_name" | LIKE "name_matcher"]]
[RESOURCETYPE = ["SPARK"]]
]
[ORDER BY ...]
[LIMIT limit][OFFSET offset];
issue #4501
65 lines
2.2 KiB
Markdown
65 lines
2.2 KiB
Markdown
---
|
|
{
|
|
"title": "SHOW RESOURCES",
|
|
"language": "zh-CN"
|
|
}
|
|
---
|
|
|
|
<!--
|
|
Licensed to the Apache Software Foundation (ASF) under one
|
|
or more contributor license agreements. See the NOTICE file
|
|
distributed with this work for additional information
|
|
regarding copyright ownership. The ASF licenses this file
|
|
to you under the Apache License, Version 2.0 (the
|
|
"License"); you may not use this file except in compliance
|
|
with the License. You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing,
|
|
software distributed under the License is distributed on an
|
|
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
KIND, either express or implied. See the License for the
|
|
specific language governing permissions and limitations
|
|
under the License.
|
|
-->
|
|
|
|
# SHOW RESOURCES
|
|
## description
|
|
|
|
该语句用于展示用户有使用权限的资源。普通用户仅能展示有使用权限的资源，root 或 admin 用户会展示所有的资源。
|
|
|
|
语法
|
|
|
|
SHOW RESOURCES
|
|
[
|
|
WHERE
|
|
[NAME [ = "your_resource_name" | LIKE "name_matcher"]]
|
|
[RESOURCETYPE = ["SPARK"]]
|
|
]
|
|
[ORDER BY ...]
|
|
[LIMIT limit][OFFSET offset];
|
|
|
|
说明：
|
|
1) 如果使用 NAME LIKE，则会匹配RESOURCES的Name包含 name_matcher的Resource
|
|
2) 如果使用 NAME = ，则精确匹配指定的 Name
|
|
3) 如果指定了RESOURCETYPE，则匹配对应的Resrouce类型
|
|
4) 可以使用 ORDER BY 对任意列组合进行排序
|
|
5) 如果指定了 LIMIT，则显示 limit 条匹配记录。否则全部显示
|
|
6) 如果指定了 OFFSET，则从偏移量offset开始显示查询结果。默认情况下偏移量为0。
|
|
|
|
## example
|
|
1. 展示当前用户拥有权限的所有Resource
|
|
SHOW RESOURCES;
|
|
|
|
2. 展示指定 Resource ，NAME 中包含字符串 "20140102"，展示10个属性
|
|
SHOW RESOURCES WHERE NAME LIKE "2014_01_02" LIMIT 10;
|
|
|
|
3. 展示指定 Resource ，指定 NAME 为 "20140102" 并按 KEY 降序排序
|
|
SHOW RESOURCES WHERE NAME = "20140102" ORDER BY `KEY` DESC;
|
|
|
|
|
|
## keyword
|
|
SHOW RESOURCES
|
|
|