Apache Hive : WebHCat Reference GetColumn

Describe Column — GET ddl/database/:db/table/:table/column/:column

• Describe Column — GET ddl/database/:db/table/:table/column/:column
  • Description
  • URL
  • Parameters
  • Results
  • Example
    • Curl Command
    • JSON Output

Description

Describe a single column in an HCatalog table.

URL

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

Parameters

Name	Description	Required?	Default
:db	The database name	Required	None
:table	The table name	Required	None
:column	The column name	Required	None

The standard parameters are also supported.

Results

Name	Description
database	The database name
table	The table name
column	A JSON object containing the column name, type, and comment (if any)

Example

Curl Command

% curl -s 'http://localhost:50111/templeton/v1/ddl/database/default/table/test\_table/column/price?user.name=ctdean'

JSON Output

{
 "database": "default",
 "table": "test\_table",
 "column": {
   "name": "price",
   "comment": "The unit price",
   "type": "float"
 }
}

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