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// Copyright 2012-present Oliver Eilhard. All rights reserved.
// Use of this source code is governed by a MIT-license.
// See http://olivere.mit-license.org/license.txt for details.
package elastic
//go:generate easyjson bulk_update_request.go
import (
"encoding/json"
"fmt"
"strings"
)
// BulkUpdateRequest is a request to update a document in Elasticsearch.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-bulk.html
// for details.
type BulkUpdateRequest struct {
BulkableRequest
index string
typ string
id string
routing string
parent string
script *Script
scriptedUpsert *bool
version int64 // default is MATCH_ANY
versionType string // default is "internal"
retryOnConflict *int
upsert interface{}
docAsUpsert *bool
detectNoop *bool
doc interface{}
returnSource *bool
source []string
useEasyJSON bool
}
//easyjson:json
type bulkUpdateRequestCommand map[string]bulkUpdateRequestCommandOp
//easyjson:json
type bulkUpdateRequestCommandOp struct {
Index string `json:"_index,omitempty"`
Type string `json:"_type,omitempty"`
Id string `json:"_id,omitempty"`
Parent string `json:"parent,omitempty"`
// RetryOnConflict is "_retry_on_conflict" for 6.0 and "retry_on_conflict" for 6.1+.
RetryOnConflict *int `json:"retry_on_conflict,omitempty"`
Routing string `json:"routing,omitempty"`
Version int64 `json:"version,omitempty"`
VersionType string `json:"version_type,omitempty"`
}
//easyjson:json
type bulkUpdateRequestCommandData struct {
DetectNoop *bool `json:"detect_noop,omitempty"`
Doc interface{} `json:"doc,omitempty"`
DocAsUpsert *bool `json:"doc_as_upsert,omitempty"`
Script interface{} `json:"script,omitempty"`
ScriptedUpsert *bool `json:"scripted_upsert,omitempty"`
Upsert interface{} `json:"upsert,omitempty"`
Source *bool `json:"_source,omitempty"`
}
// NewBulkUpdateRequest returns a new BulkUpdateRequest.
func NewBulkUpdateRequest() *BulkUpdateRequest {
return &BulkUpdateRequest{}
}
// UseEasyJSON is an experimental setting that enables serialization
// with github.com/mailru/easyjson, which should in faster serialization
// time and less allocations, but removed compatibility with encoding/json,
// usage of unsafe etc. See https://github.com/mailru/easyjson#issues-notes-and-limitations
// for details. This setting is disabled by default.
func (r *BulkUpdateRequest) UseEasyJSON(enable bool) *BulkUpdateRequest {
r.useEasyJSON = enable
return r
}
// Index specifies the Elasticsearch index to use for this update request.
// If unspecified, the index set on the BulkService will be used.
func (r *BulkUpdateRequest) Index(index string) *BulkUpdateRequest {
r.index = index
r.source = nil
return r
}
// Type specifies the Elasticsearch type to use for this update request.
// If unspecified, the type set on the BulkService will be used.
func (r *BulkUpdateRequest) Type(typ string) *BulkUpdateRequest {
r.typ = typ
r.source = nil
return r
}
// Id specifies the identifier of the document to update.
func (r *BulkUpdateRequest) Id(id string) *BulkUpdateRequest {
r.id = id
r.source = nil
return r
}
// Routing specifies a routing value for the request.
func (r *BulkUpdateRequest) Routing(routing string) *BulkUpdateRequest {
r.routing = routing
r.source = nil
return r
}
// Parent specifies the identifier of the parent document (if available).
func (r *BulkUpdateRequest) Parent(parent string) *BulkUpdateRequest {
r.parent = parent
r.source = nil
return r
}
// Script specifies an update script.
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-bulk.html#bulk-update
// and https://www.elastic.co/guide/en/elasticsearch/reference/6.0/modules-scripting.html
// for details.
func (r *BulkUpdateRequest) Script(script *Script) *BulkUpdateRequest {
r.script = script
r.source = nil
return r
}
// ScripedUpsert specifies if your script will run regardless of
// whether the document exists or not.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-update.html#_literal_scripted_upsert_literal
func (r *BulkUpdateRequest) ScriptedUpsert(upsert bool) *BulkUpdateRequest {
r.scriptedUpsert = &upsert
r.source = nil
return r
}
// RetryOnConflict specifies how often to retry in case of a version conflict.
func (r *BulkUpdateRequest) RetryOnConflict(retryOnConflict int) *BulkUpdateRequest {
r.retryOnConflict = &retryOnConflict
r.source = nil
return r
}
// Version indicates the version of the document as part of an optimistic
// concurrency model.
func (r *BulkUpdateRequest) Version(version int64) *BulkUpdateRequest {
r.version = version
r.source = nil
return r
}
// VersionType can be "internal" (default), "external", "external_gte",
// or "external_gt".
func (r *BulkUpdateRequest) VersionType(versionType string) *BulkUpdateRequest {
r.versionType = versionType
r.source = nil
return r
}
// Doc specifies the updated document.
func (r *BulkUpdateRequest) Doc(doc interface{}) *BulkUpdateRequest {
r.doc = doc
r.source = nil
return r
}
// DocAsUpsert indicates whether the contents of Doc should be used as
// the Upsert value.
//
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-update.html#_literal_doc_as_upsert_literal
// for details.
func (r *BulkUpdateRequest) DocAsUpsert(docAsUpsert bool) *BulkUpdateRequest {
r.docAsUpsert = &docAsUpsert
r.source = nil
return r
}
// DetectNoop specifies whether changes that don't affect the document
// should be ignored (true) or unignored (false). This is enabled by default
// in Elasticsearch.
func (r *BulkUpdateRequest) DetectNoop(detectNoop bool) *BulkUpdateRequest {
r.detectNoop = &detectNoop
r.source = nil
return r
}
// Upsert specifies the document to use for upserts. It will be used for
// create if the original document does not exist.
func (r *BulkUpdateRequest) Upsert(doc interface{}) *BulkUpdateRequest {
r.upsert = doc
r.source = nil
return r
}
// ReturnSource specifies whether Elasticsearch should return the source
// after the update. In the request, this responds to the `_source` field.
// It is false by default.
func (r *BulkUpdateRequest) ReturnSource(source bool) *BulkUpdateRequest {
r.returnSource = &source
r.source = nil
return r
}
// String returns the on-wire representation of the update request,
// concatenated as a single string.
func (r *BulkUpdateRequest) String() string {
lines, err := r.Source()
if err != nil {
return fmt.Sprintf("error: %v", err)
}
return strings.Join(lines, "\n")
}
// Source returns the on-wire representation of the update request,
// split into an action-and-meta-data line and an (optional) source line.
// See https://www.elastic.co/guide/en/elasticsearch/reference/6.0/docs-bulk.html
// for details.
func (r *BulkUpdateRequest) Source() ([]string, error) {
// { "update" : { "_index" : "test", "_type" : "type1", "_id" : "1", ... } }
// { "doc" : { "field1" : "value1", ... } }
// or
// { "update" : { "_index" : "test", "_type" : "type1", "_id" : "1", ... } }
// { "script" : { ... } }
if r.source != nil {
return r.source, nil
}
lines := make([]string, 2)
// "update" ...
updateCommand := bulkUpdateRequestCommandOp{
Index: r.index,
Type: r.typ,
Id: r.id,
Routing: r.routing,
Parent: r.parent,
Version: r.version,
VersionType: r.versionType,
RetryOnConflict: r.retryOnConflict,
}
command := bulkUpdateRequestCommand{
"update": updateCommand,
}
var err error
var body []byte
if r.useEasyJSON {
// easyjson
body, err = command.MarshalJSON()
} else {
// encoding/json
body, err = json.Marshal(command)
}
if err != nil {
return nil, err
}
lines[0] = string(body)
// 2nd line: {"doc" : { ... }} or {"script": {...}}
data := bulkUpdateRequestCommandData{
DocAsUpsert: r.docAsUpsert,
DetectNoop: r.detectNoop,
Upsert: r.upsert,
ScriptedUpsert: r.scriptedUpsert,
Doc: r.doc,
Source: r.returnSource,
}
if r.script != nil {
script, err := r.script.Source()
if err != nil {
return nil, err
}
data.Script = script
}
if r.useEasyJSON {
// easyjson
body, err = data.MarshalJSON()
} else {
// encoding/json
body, err = json.Marshal(data)
}
if err != nil {
return nil, err
}
lines[1] = string(body)
r.source = lines
return lines, nil
}
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