描述分区-GET ddl/database /：db/table /：table/partition /：partition

Description

在 HCatalog 表中描述单个分区。

URL

http:// * www.myserver.com * /templeton/v1/ddl/database/ *：db * /table/ *：table * /partition/ *：partition *

Parameters

Name	Description	Required?	Default
:db	数据库名称	Required	None
:table	表名	Required	None
:partition	分区名称 col_name ='value'列表。请注意正确编码 http 的引用，例如 country =％27algeria％27.	Required	None

standard parameters也受支持。

Results

Name	Description
database	数据库名称
table	表名
partition	分区名称
partitioned	如果表已分区，则为 True
location	桌子的位置
outputFormat	Output format
columns	列名称，类型和 Comments 的列表
owner	所有者的用户名
partitionColumns	分区列列表
inputFormat	Input format

Example

Curl Command

% curl -s \
   'http://localhost:50111/templeton/v1/ddl/database/default/table/mytest/partition/country=%27US%27?user.name=ctdean'

JSON Output

{
  "partitioned": true,
  "location": "hdfs://ip-10-77-6-151.ec2.internal:8020/apps/hive/warehouse/mytest/loc1",
  "outputFormat": "org.apache.hadoop.hive.ql.io.RCFileOutputFormat",
  "columns": [
    {
      "name": "i",
      "type": "int"
    },
    {
      "name": "j",
      "type": "bigint"
    },
    {
      "name": "ip",
      "comment": "IP Address of the User",
      "type": "string"
    }
  ],
  "owner": "rachel",
  "partitionColumns": [
    {
      "name": "country",
      "type": "string"
    }
  ],
  "inputFormat": "org.apache.hadoop.hive.ql.io.RCFileInputFormat",
  "database": "default",
  "table": "mytest",
  "partition": "country='US'"
}

Navigation Links

上一个：GET ddl/database/:db/table/:table/partition下一个：PUT ddl/database/:db/table/:table/partition/:partition

一般：DDL Resources – WebHCat Reference – WebHCat Manual – HCatalog Manual – Hive Wiki 主页 – Hive 项目 site