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arangodb/js/actions/api-index.js

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/*jslint indent: 2, nomen: true, maxlen: 100, sloppy: true, vars: true, white: true, plusplus: true */
/*global require */
////////////////////////////////////////////////////////////////////////////////
/// @brief querying and managing indexes
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2012 triagens GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Achim Brandt
/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
var arangodb = require("org/arangodb");
var actions = require("org/arangodb/actions");
var API = "_api/index";
// -----------------------------------------------------------------------------
// --SECTION-- public functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup ArangoAPI
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief returns all indexes of a collection
///
/// @RESTHEADER{GET /_api/index,reads all indexes of a collection}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection,string,required}
/// The collection name.
///
/// @RESTDESCRIPTION
///
/// Returns an object with an attribute `indexes` containing a list of all
/// index descriptions for the given collection. The same information is also
/// available in the `identifiers` as hash map with the index handle as
/// keys.
///
/// @EXAMPLES
///
/// Return information about all indexes:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexAllIndexes}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
///
/// var response = logCurlRequest('GET', url);
///
/// assert(response.code === 200);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
function get_api_indexes (req, res) {
var name = req.parameters.collection;
var collection = arangodb.db._collection(name);
if (collection === null) {
actions.collectionNotFound(req, res, name);
return;
}
var list = [], ids = {}, indexes = collection.getIndexes(), i;
for (i = 0; i < indexes.length; ++i) {
var index = indexes[i];
list.push(index);
ids[index.id] = index;
}
var result = { indexes : list, identifiers : ids };
actions.resultOk(req, res, actions.HTTP_OK, result);
}
////////////////////////////////////////////////////////////////////////////////
/// @brief returns an index
///
/// @RESTHEADER{GET /_api/index/{index-handle},reads an index}
///
/// @RESTURLPARAMETERS
///
/// @RESTURLPARAM{index-handle,string,required}
/// The index-handle.
///
/// @RESTDESCRIPTION
///
/// The result is an objects describing the index. It has at least the following
/// attributes:
///
/// - `id`: The identifier of the index.
///
/// All other attributes are type-dependent.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index exists, then a `HTTP 200` is
/// returned.
///
/// @RESTRETURNCODE{404}
/// If the index does not exist, then a `HTTP 404`
/// is returned.
///
/// @EXAMPLES
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexPrimaryIndex}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn);
///
/// var url = "/_api/index/" + cn + "/0";
/// var response = logCurlRequest('GET', url);
///
/// assert(response.code === 200);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
function get_api_index (req, res) {
// .............................................................................
// /_api/index?collection=<collection-name>
// .............................................................................
if (req.suffix.length === 0) {
get_api_indexes(req, res);
}
// .............................................................................
// /_api/index/<collection-name>/<index-identifier>
// .............................................................................
else if (req.suffix.length === 2) {
var name = decodeURIComponent(req.suffix[0]);
var collection = arangodb.db._collection(name);
if (collection === null) {
actions.collectionNotFound(req, res, name);
return;
}
var iid = decodeURIComponent(req.suffix[1]);
try {
var index = collection.index(name + "/" + iid);
if (index !== null) {
actions.resultOk(req, res, actions.HTTP_OK, index);
return;
}
}
catch (err) {
if (err.errorNum === arangodb.ERROR_ARANGO_INDEX_NOT_FOUND ||
err.errorNum === arangodb.ERROR_ARANGO_COLLECTION_NOT_FOUND) {
actions.indexNotFound(req, res, collection, iid);
return;
}
throw err;
}
}
else {
actions.resultBad(req, res, arangodb.ERROR_HTTP_BAD_PARAMETER,
"expect GET /" + API + "/<index-handle>");
}
}
////////////////////////////////////////////////////////////////////////////////
/// @fn JSF_post_api_index_cap
/// @brief creates a cap constraint
///
/// @RESTHEADER{POST /_api/index,creates a cap constraint}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection,string,required}
/// The collection name.
///
/// @RESTBODYPARAM{cap-constraint,json,required}
///
/// @RESTDESCRIPTION
///
/// Creates a cap constraint for the collection `collection-name`,
/// if it does not already exist. Expects an object containing the index details.
///
/// - `type`: must be equal to `"cap"`.
///
/// - `size`: The maximal number of documents for the collection. If specified,
/// the value must be greater than zero.
///
/// - `byteSize`: The maximal size of the active document data in the collection
/// (in bytes). If specified, the value must be at least 16384.
///
/// Note that the cap constraint does not index particular attributes of the
/// documents in a collection, but limits the number of documents in the
/// collection to a maximum value. The cap constraint thus does not support
/// attribute names specified in the `fields` attribute nor uniqueness of
/// any kind via the `unique` attribute.
///
/// It is allowed to specify either `size` or `byteSize`, or both at
/// the same time. If both are specified, then the automatic document removal
/// will be triggered by the first non-met constraint.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index already exists, then an `HTTP 200` is returned.
///
/// @RESTRETURNCODE{201}
/// If the index does not already exist and could be created, then an `HTTP 201`
/// is returned.
///
/// @RESTRETURNCODE{400}
/// If either `size` or `byteSize` contain invalid values, then an `HTTP 400`
/// is returned.
///
/// @RESTRETURNCODE{404}
/// If the `collection-name` is unknown, then a `HTTP 404` is returned.
///
/// @EXAMPLES
///
/// Creating a cap constraint
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateNewCapConstraint}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = {
/// type: "cap",
/// size : 10
/// };
///
/// var response = logCurlRequest('POST', url, JSON.stringify(body));
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @fn JSF_post_api_index_geo
/// @brief creates a geo index
///
/// @RESTHEADER{POST /_api/index,creates a geo-spatial index}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection,string,required}
/// The collection name.
///
/// @RESTBODYPARAM{index-details,json,required}
///
/// @RESTDESCRIPTION
///
/// Creates a geo-spatial index in the collection `collection-name`, if
/// it does not already exist. Expects an object containing the index details.
///
/// - `type`: must be equal to `"geo"`.
///
/// - `fields`: A list with one or two attribute paths.
///
/// If it is a list with one attribute path `location`, then a geo-spatial
/// index on all documents is created using `location` as path to the
/// coordinates. The value of the attribute must be a list with at least two
/// double values. The list must contain the latitude (first value) and the
/// longitude (second value). All documents, which do not have the attribute
/// path or with value that are not suitable, are ignored.
///
/// If it is a list with two attribute paths `latitude` and `longitude`,
/// then a geo-spatial index on all documents is created using `latitude`
/// and `longitude` as paths the latitude and the longitude. The value of
/// the attribute `latitude` and of the attribute `longitude` must a
/// double. All documents, which do not have the attribute paths or which
/// values are not suitable, are ignored.
///
/// - `geoJson`: If a geo-spatial index on a `location` is constructed
/// and `geoJson` is `true`, then the order within the list is longitude
/// followed by latitude. This corresponds to the format described in
/// http://geojson.org/geojson-spec.html#positions
///
/// - `constraint`: If `constraint` is `true`, then a geo-spatial
/// constraint is created. The constraint is a non-unique variant of the index.
/// Note that it is also possible to set the `unique` attribute instead of
/// the `constraint` attribute.
///
/// - `ignoreNull`: If a geo-spatial constraint is created and
/// `ignoreNull` is true, then documents with a null in `location` or at
/// least one null in `latitude` or `longitude` are ignored.
///
/// Note: unique indexes on non-shard keys are not supported in a cluster.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index already exists, then a `HTTP 200` is
/// returned.
///
/// @RESTRETURNCODE{201}
/// If the index does not already exist and could be created, then a `HTTP 201`
/// is returned.
///
/// @RESTRETURNCODE{404}
/// If the `collection-name` is unknown, then a `HTTP 404` is returned.
///
/// @EXAMPLES
///
/// Creating a geo index with a location attribute:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateGeoLocation}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = '{ "type": "geo", "fields" : [ "b" ] }';
///
/// var response = logCurlRequest('POST', url, body);
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
///
/// Creating a geo index with latitude and longitude attributes:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateGeoLatitudeLongitude}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = '{ "type": "geo", "fields" : [ "e", "f" ] }';
///
/// var response = logCurlRequest('POST', url, body);
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @fn JSF_post_api_index_hash
/// @brief creates a hash index
///
/// @RESTHEADER{POST /_api/index,creates a hash index}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection-name,string,required}
/// The collection name.
///
/// @RESTBODYPARAM{index-details,json,required}
///
/// @RESTDESCRIPTION
///
/// Creates a hash index for the collection `collection-name`, if it
/// does not already exist. The call expects an object containing the index
/// details.
///
/// - `type`: must be equal to `"hash"`.
///
/// - `fields`: A list of attribute paths.
///
/// - `unique`: If `true`, then create a unique index.
///
/// Note: unique indexes on non-shard keys are not supported in a cluster.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index already exists, then a `HTTP 200` is
/// returned.
///
/// @RESTRETURNCODE{201}
/// If the index does not already exist and could be created, then a `HTTP 201`
/// is returned.
///
/// @RESTRETURNCODE{400}
/// If the collection already contains documents and you try to create a unique
/// hash index in such a way that there are documents violating the uniqueness,
/// then a `HTTP 400` is returned.
///
/// @RESTRETURNCODE{404}
/// If the `collection-name` is unknown, then a `HTTP 404` is returned.
///
/// @EXAMPLES
///
/// Creating an unique constraint:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateNewUniqueConstraint}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = '{ "type": "hash", "unique" : true, "fields" : [ "a", "b" ] }';
///
/// var response = logCurlRequest('POST', url, body);
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
///
/// Creating a hash index:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateNewHashIndex}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = '{ "type": "hash", "unique" : false, "fields" : [ "a", "b" ] }';
///
/// var response = logCurlRequest('POST', url, body);
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @fn JSF_post_api_index_skiplist
/// @brief creates a skip-list
///
/// @RESTHEADER{POST /_api/index,creates a skip list}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection-name,string,required}
/// The collection name.
///
/// @RESTBODYPARAM{index-details,json,required}
///
/// @RESTDESCRIPTION
///
/// Creates a skip-list index for the collection `collection-name`, if
/// it does not already exist. The call expects an object containing the index
/// details.
///
/// - `type`: must be equal to `"skiplist"`.
///
/// - `fields`: A list of attribute paths.
///
/// - `unique`: If `true`, then create a unique index.
///
/// Note: unique indexes on non-shard keys are not supported in a cluster.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index already exists, then a `HTTP 200` is
/// returned.
///
/// @RESTRETURNCODE{201}
/// If the index does not already exist and could be created, then a `HTTP 201`
/// is returned.
///
/// @RESTRETURNCODE{400}
/// If the collection already contains documents and you try to create a unique
/// skip-list index in such a way that there are documents violating the
/// uniqueness, then a `HTTP 400` is returned.
///
/// @RESTRETURNCODE{404}
/// If the `collection-name` is unknown, then a `HTTP 404` is returned.
///
/// @EXAMPLES
///
/// Creating a skiplist:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateNewSkiplist}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = '{ "type": "skiplist", "unique" : false, "fields" : [ "a", "b" ] }';
///
/// var response = logCurlRequest('POST', url, body);
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @fn JSF_post_api_index_fulltext
/// @brief creates a fulltext index
///
/// @RESTHEADER{POST /_api/index,creates a fulltext index}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection-name,string,required}
/// The collection name.
///
/// @RESTBODYPARAM{index-details,json,required}
///
/// @RESTDESCRIPTION
///
/// Creates a fulltext index for the collection `collection-name`, if
/// it does not already exist. The call expects an object containing the index
/// details.
///
/// - `type`: must be equal to `"fulltext"`.
///
/// - `fields`: A list of attribute names. Currently, the list is limited
/// to exactly one attribute, so the value of `fields` should look like
/// this for example: `[ "text" ]`.
///
/// - `minLength`: Minimum character length of words to index. Will default
/// to a server-defined value if unspecified. It is thus recommended to set
/// this value explicitly when creating the index.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index already exists, then a `HTTP 200` is
/// returned.
///
/// @RESTRETURNCODE{201}
/// If the index does not already exist and could be created, then a `HTTP 201`
/// is returned.
///
/// @RESTRETURNCODE{404}
/// If the `collection-name` is unknown, then a `HTTP 404` is returned.
///
/// @EXAMPLES
///
/// Creating a fulltext index:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateNewFulltext}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = '{ "type" : "fulltext", "fields" : [ "text" ] }';
///
/// var response = logCurlRequest('POST', url, body);
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @fn JSF_post_api_index_bitarray
/// @brief creates a bitarray
///
/// @RESTHEADER{POST /_api/index,creates a bitarray index}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection-name,string,required}
/// The collection name.
///
/// @RESTBODYPARAM{index-details,json,required}
///
/// @RESTDESCRIPTION
///
/// Creates a bitarray index for the collection `collection-name`, if
/// it does not already exist. The call expects an object containing the index
/// details.
///
/// - `type`: must be equal to `"bitarray"`.
///
/// - `fields`: A list of pairs. A pair consists of an attribute path followed by a list of values.
///
/// - `unique`: Must always be set to `false`.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index already exists, then a `HTTP 200` is
/// returned.
///
/// @RESTRETURNCODE{201}
/// If the index does not already exist and could be created, then a `HTTP 201`
/// is returned.
///
/// @RESTRETURNCODE{404}
/// If the `collection-name` is unknown, then a `HTTP 404` is returned.
///
/// @EXAMPLES
///
/// Creating a bitarray index:
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexCreateNewBitarray}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index?collection=" + cn;
/// var body = '{ ' +
/// '"type" : "bitarray", ' +
/// '"unique" : false, ' +
/// '"fields" : [ "x", [0,1,[]], "y", ["a","b",[]] ] ' +
/// '}';
///
/// var response = logCurlRequest('POST', url, body);
///
/// assert(response.code === 201);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief creates an index
///
/// @RESTHEADER{POST /_api/index,creates an index}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{collection,string,required}
/// The collection name.
///
/// @RESTBODYPARAM{index-details,json,required}
///
/// @RESTDESCRIPTION
///
/// Creates a new index in the collection `collection`. Expects
/// an object containing the index details.
///
/// The type of the index to be created must specified in the `type`
/// attribute of the index details. Depending on the index type, additional
/// other attributes may need to specified in the request in order to create
/// the index.
///
/// See @ref HttpIndexCap, @ref HttpIndexGeo, @ref HttpIndexHash,
/// @ref HttpIndexFulltext, and @ref HttpIndexSkiplist for details.
///
/// Most indexes (a notable exception being the cap constraint) require the
/// list of attributes to be indexed in the `fields` attribute of the index
/// details. Depending on the index type, a single attribute or multiple
/// attributes may be indexed.
///
/// Indexing system attributes such as `_id`, `_key`, `_from`, and `_to`
/// is not supported by any index type. Manually creating an index that
/// relies on any of these attributes is unsupported.
///
/// Some indexes can be created as unique or non-unique variants. Uniqueness
/// can be controlled for most indexes by specifying the `unique` in the
/// index details. Setting it to `true` will create a unique index.
/// Setting it to `false` or omitting the `unique` attribute will
/// create a non-unique index.
///
/// Note that the following index types do not support uniqueness, and using
/// the `unique` attribute with these types may lead to an error:
/// - cap constraints
/// - fulltext indexes
/// - bitarray indexes
///
/// Note also that unique indexes on non-shard keys are not supported in a
/// cluster.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index already exists, then an `HTTP 200` is returned.
///
/// @RESTRETURNCODE{201}
/// If the index does not already exist and could be created, then an `HTTP 201`
/// is returned.
///
/// @RESTRETURNCODE{400}
/// If an invalid index description is posted or attributes are used that the
/// target index will not support, then an `HTTP 400` is returned.
///
/// @RESTRETURNCODE{404}
/// If `collection` is unknown, then an `HTTP 404` is returned.
////////////////////////////////////////////////////////////////////////////////
function post_api_index (req, res) {
if (req.suffix.length !== 0) {
actions.resultBad(req, res, arangodb.ERROR_HTTP_BAD_PARAMETER,
"expecting POST /" + API + "?collection=<collection-name>");
return;
}
var name = req.parameters.collection;
var collection = arangodb.db._collection(name);
if (collection === null) {
actions.collectionNotFound(req, res, name);
return;
}
var body = actions.getJsonBody(req, res);
if (body === undefined) {
return;
}
// inject collection name into body
if (body.collection === undefined) {
body.collection = name;
}
// fill "unique" attribute from "constraint" attribute to be downward-compatible
// with old geo index API
if (body.hasOwnProperty("constraint") && ! body.hasOwnProperty("unique")) {
body.unique = body.constraint;
}
// rewrite bitarray fields
if (body.type === "bitarray") {
if (typeof body.fields === "object" &&
Array.isArray(body.fields) &&
body.fields.length > 0) {
if (! Array.isArray(body.fields[0])) {
var f = [ ], i;
for (i = 0; i < body.fields.length; i += 2) {
f.push([ body.fields[i], body.fields[i + 1] ]);
}
body.fields = f;
}
}
}
// create the index
var index = collection.ensureIndex(body);
if (index.isNewlyCreated) {
actions.resultOk(req, res, actions.HTTP_CREATED, index);
}
else {
actions.resultOk(req, res, actions.HTTP_OK, index);
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief deletes an index
///
/// @RESTHEADER{DELETE /_api/index/{index-handle},deletes an index}
///
/// @RESTQUERYPARAMETERS
///
/// @RESTQUERYPARAM{index-handle,string,required}
/// The index handle.
///
/// @RESTDESCRIPTION
///
/// Deletes an index with `index-handle`.
///
/// @RESTRETURNCODES
///
/// @RESTRETURNCODE{200}
/// If the index could be deleted, then an `HTTP 200` is
/// returned.
///
/// @RESTRETURNCODE{404}
/// If the `index-handle` is unknown, then an `HTTP 404` is returned.
/// @EXAMPLES
///
/// @EXAMPLE_ARANGOSH_RUN{RestIndexDeleteUniqueSkiplist}
/// var cn = "products";
/// db._drop(cn);
/// db._create(cn, { waitForSync: true });
///
/// var url = "/_api/index/" + db.products.ensureSkiplist("a","b").id;
///
/// var response = logCurlRequest('DELETE', url);
///
/// assert(response.code === 200);
///
/// logJsonResponse(response);
/// @END_EXAMPLE_ARANGOSH_RUN
////////////////////////////////////////////////////////////////////////////////
function delete_api_index (req, res) {
if (req.suffix.length !== 2) {
actions.resultBad(req, res, arangodb.ERROR_HTTP_BAD_PARAMETER,
"expect DELETE /" + API + "/<index-handle>");
return;
}
var name = decodeURIComponent(req.suffix[0]);
var collection = arangodb.db._collection(name);
if (collection === null) {
actions.collectionNotFound(req, res, name);
return;
}
var iid = parseInt(decodeURIComponent(req.suffix[1]), 10);
var dropped = collection.dropIndex(name + "/" + iid);
if (dropped) {
actions.resultOk(req, res, actions.HTTP_OK, { id : name + "/" + iid });
}
else {
actions.indexNotFound(req, res, collection, name + "/" + iid);
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief reads or creates an index
////////////////////////////////////////////////////////////////////////////////
actions.defineHttp({
url : API,
context : "api",
callback : function (req, res) {
try {
if (req.requestType === actions.GET) {
get_api_index(req, res);
}
else if (req.requestType === actions.DELETE) {
delete_api_index(req, res);
}
else if (req.requestType === actions.POST) {
post_api_index(req, res);
}
else {
actions.resultUnsupported(req, res);
}
}
catch (err) {
actions.resultException(req, res, err, undefined, false);
}
}
});
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// Local Variables:
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