load

Abstract

The load command adds new records to the specified table. Column values of existing records are updated by new values, if the table has a primary key and there are existing records with specified keys.

This is compatible to the load command of the Groonga.

API types

HTTP (GET)

Request endpoint
(Document Root)/d/load
Request methd
GET
Request URL parameters
Same to the list of parameters.
Request body
Nothing.
Response body
A response message.

HTTP (POST)

Request endpoint
(Document Root)/d/load
Request methd
POST
Request URL parameters
Same to the list of parameters, except values.
Request body
The value for the parameter values.
Response body
A response message.

REST

Not supported.

Fluentd

Not supported.

Parameter syntax

{
  "values"     : <Array of records to be loaded>,
  "table"      : "<Name of the table>",
  "columns"    : "<List of column names for values, separated by ','>",
  "ifexists"   : "<Grn_expr to determine records which should be updated>",
  "input_type" : "<Format type of the values>"
}

Parameter details

All parameters except table are optional.

On the version 1.0.7, only following parameters are available. Others are simply ignored because they are not implemented.

They are compatible to the parameters of the load command of the Groonga. See the linked document for more details.

HTTP clients can send values as an URL parameter with GET method, or the request body with POST method. The URL parameter values is always ignored it it is sent with POST method. You should send data with POST method if there is much data.

Responses

This returns an array meaning the result of the operation, as the body.

[
  [
    <Groonga's status code>,
    <Start time>,
    <Elapsed time>
  ],
  [<Number of loaded records>]
]

This command always returns a response with 200 as its statusCode, because this is a Groonga compatible command and errors of this command must be handled in the way same to Groonga’s one.

Response body’s details:

Status code
An integer which means the operation’s result. Possible values are:
  • 0 (Droonga::GroongaHandler::Status::SUCCESS) : Successfully processed.
  • -22 (Droonga::GroongaHandler::Status::INVALID_ARGUMENT) : There is any invalid argument.
Start time
An UNIX time which the operation was started on.
Elapsed time
A decimal of seconds meaning the elapsed time for the operation.
Number of loaded records
An positive integer meaning the number of added or updated records.