GET ddl/database/:db/table/:table
Description
Describe an HCatalog table. Normally returns a simple list of columns (using "desc table"), but the extended format will show more information (using "show table extended like").
URL
http://www.myserver.com/templeton/v1/ddl/database/:db/table/:table
http://www.myserver.com/templeton/v1/ddl/database/:db/table/:table?format=extended
Parameters
Name | Description | Required? | Default |
---|---|---|---|
:db | The database name | Required | None |
:table | The table name | Required | None |
format | Set "format=extended" to see additional information (using "show table extended like") | Optional | Not extended |
Results
Name | Description |
---|---|
columns | A list of column names and types |
database | The database name |
table | The table name |
partitioned (extended only) | True if the table is partitioned |
location (extended only) | Location of table |
outputFormat (extended only) | Output format |
owner (extended only) | The owner's user name |
partitionColumns (extended only) | List of the partition columns |
inputFormat (extended only) | Input format |
Example
Curl Command (simple)
% curl -s 'http://localhost:50111/templeton/v1/ddl/database/default/table/my_table?user.name=ctdean'
JSON Output (simple)
{ "columns": [ { "name": "id", "type": "bigint" }, { "name": "user", "comment": "The user name", "type": "string" }, { "name": "my_p", "type": "string" }, { "name": "my_q", "type": "string" } ], "database": "default", "table": "my_table" }
Curl Command (extended)
% curl -s 'http://localhost:50111/templeton/v1/ddl/database/default/table/test_table?user.name=ctdean&format=extended'
JSON Output (extended)
{ "partitioned": true, "location": "hdfs://ip-10-77-6-151.ec2.internal:8020/apps/hive/warehouse/test_table", "outputFormat": "org.apache.hadoop.hive.ql.io.RCFileOutputFormat", "columns": [ { "name": "id", "type": "bigint" }, { "name": "price", "comment": "The unit price", "type": "float" } ], "owner": "ctdean", "partitionColumns": [ { "name": "country", "type": "string" } ], "inputFormat": "org.apache.hadoop.hive.ql.io.RCFileInputFormat", "database": "default", "table": "test_table" }
JSON Output (error)
{ "error": "Table xtest_table does not exist", "errorCode": 404, "database": "default", "table": "xtest_table" }