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当我尝试从模型内部重新索引记录时,它最终会在 elasticsearch 服务器上设置一个空索引。
所以,我有一个 Course
模型,其中有很多 Instructor
。现在,我在 instructor.rb
模型中有这个回调方法,它会在 Instructor
上更新内容时尝试重新索引。
class Instructor < ActiveRecord::Base
belongs_to :teacher, :class_name => "User", :foreign_key => "user_id"
belongs_to :instructorable, polymorphic: true
after_commit :reindex_course
private
def reindex_course
Course.reindex_course
end
end
course.rb
模型如下所示:
class Course < ActiveRecord::Base
has_many :instructors, as: :instructorable, dependent: :destroy
searchkick word_start: [ :name, :description, :instructor_name]
def search_data
{
name: name,
description: description,
searchable: searchable,
}.merge(
instructor_name: instructors.includes(:teacher).pluck(:'users.name').reject(&:nil?),
institute_id: creator.try(:institute_id)
)
def self.reindex_course
index = Course.reindex(async: true, refresh_interval: "5s")
Course.search_index.promote(index[:index_name], update_refresh_interval: true)
Course.search_index.clean_indices
end
end
创建一个新的 Instructor 会导致重新索引记录
Instructor.create(user_id: 4009,instructorable_id: 4792, instructorable_type:"ScheduledCourse")
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/_aliases response_code=200 return_code=ok total_time=0.630504
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/courses_development_20171204162604885 response_code=200 return_code=ok total_time=0.922072
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/_alias/courses_development response_code=200 return_code=ok total_time=0.29790799999999995
(5.0ms) SELECT MIN("courses"."id") FROM "courses" LEFT OUTER JOIN "users" ON "users"."id" = "courses"."creator_id" LEFT OUTER JOIN "units" ON "units"."course_id" = "courses"."id" LEFT OUTER JOIN "instructors" ON "instructors"."instructorable_id" = "courses"."id" AND "instructors"."instructorable_type" = $1 [["instructorable_type", "Course"]]
(4.4ms) SELECT MAX("courses"."id") FROM "courses" LEFT OUTER JOIN "users" ON "users"."id" = "courses"."creator_id" LEFT OUTER JOIN "units" ON "units"."course_id" = "courses"."id" LEFT OUTER JOIN "instructors" ON "instructors"."instructorable_id" = "courses"."id" AND "instructors"."instructorable_type" = $1 [["instructorable_type", "Course"]]
Enqueued Searchkick::BulkReindexJob (Job ID: d710eff3-5e39-4347-b02a-5459bfd4b1be) to Sidekiq(searchkick) with arguments: {:class_name=>"Course", :index_name=>"courses_development_20171204162604885", :batch_id=>1, :min_id=>2, :max_id=>1001}
Enqueued Searchkick::BulkReindexJob (Job ID: f0bf5866-f3da-42dd-9132-2de23735fbf4) to Sidekiq(searchkick) with arguments: {:class_name=>"Course", :index_name=>"courses_development_20171204162604885", :batch_id=>2, :min_id=>1002, :max_id=>2001}
Enqueued Searchkick::BulkReindexJob (Job ID: 348e07b8-a85a-4a9f-a2f2-d2b70416d2bf) to Sidekiq(searchkick) with arguments: {:class_name=>"Course", :index_name=>"courses_development_20171204162604885", :batch_id=>3, :min_id=>2002, :max_id=>3001}
Enqueued Searchkick::BulkReindexJob (Job ID: e40f2a33-e2f7-4f77-9416-920d84e285e7) to Sidekiq(searchkick) with arguments: {:class_name=>"Course", :index_name=>"courses_development_20171204162604885", :batch_id=>4, :min_id=>3002, :max_id=>4001}
Enqueued Searchkick::BulkReindexJob (Job ID: 18b357c1-cd53-4836-8aaf-4c97dde56281) to Sidekiq(searchkick) with arguments: {:class_name=>"Course", :index_name=>"courses_development_20171204162604885", :batch_id=>5, :min_id=>4002, :max_id=>5001}
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/courses_development_20171204162604885/_settings response_code=200 return_code=ok total_time=0.372641
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/_alias/courses_development response_code=200 return_code=ok total_time=0.333225
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/_aliases response_code=200 return_code=ok total_time=0.42405099999999996
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/_aliases response_code=200 return_code=ok total_time=0.382619
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/courses_development_20171204162504480 response_code=200 return_code=ok total_time=0.408705
现在当我运行这个查询时:
Searchkick.search search_params[:search], operator: "or",
index_name: [Course],
where:{institute_id: institute_id, searchable: true},
fields: ['name^100','instructor_name^100','description^50'],
match: :word_start, misspellings: {edit_distance: 2},
page: search_params[:page],per_page: 20,
order: {_score: :desc}
我得到一个空响应:
ETHON: performed EASY effective_url=http://xx:xxxx@xy.xyz.xx.xyz/elasticsearch/courses_development/_search response_code=200 return_code=ok total_time=0.733799
Search (738.0ms) curl http://xx.xxx.xx.xxx:80/courses_development/_search?pretty -d '{"query":{"bool":{"must":{"dis_max":{"queries":[{"bool":{"must":{"bool":{"should":[{"match":{"name.word_start":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}},{"match":{"name.word_start":{"query":"Elasticsearch","boost":100.0,"operator":"or","analyzer":"searchkick_word_search","fuzziness":2,"prefix_length":0,"max_expansions":3,"fuzzy_transpositions":true}}}]}},"should":{"match":{"name.analyzed":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}}}},{"bool":{"must":{"bool":{"should":[{"match":{"instructor_name.word_start":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}},{"match":{"instructor_name.word_start":{"query":"Elasticsearch","boost":100.0,"operator":"or","analyzer":"searchkick_word_search","fuzziness":2,"prefix_length":0,"max_expansions":3,"fuzzy_transpositions":true}}}]}},"should":{"match":{"instructor_name.analyzed":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}}}},{"bool":{"must":{"bool":{"should":[{"match":{"description.word_start":{"query":"Elasticsearch","boost":500.0,"operator":"or","analyzer":"searchkick_word_search"}}},{"match":{"description.word_start":{"query":"Elasticsearch","boost":50.0,"operator":"or","analyzer":"searchkick_word_search","fuzziness":2,"prefix_length":0,"max_expansions":3,"fuzzy_transpositions":true}}}]}},"should":{"match":{"description.analyzed":{"query":"Elasticsearch","boost":500.0,"operator":"or","analyzer":"searchkick_word_search"}}}}}]}},"filter":[{"term":{"institute_id":113}},{"term":{"searchable":true}}]}},"size":1000,"from":0,"timeout":"11s","_source":false}'
=> #<Searchkick::Results:0x007fcb8c9cb378
@klass=nil,
@options=
{:page=>1,
:per_page=>1000,
:padding=>0,
:load=>true,
:includes=>nil,
:model_includes=>nil,
:json=>false,
:match_suffix=>:word_start,
:highlighted_fields=>[],
:misspellings=>true},
@response=
{"took"=>1,
"timed_out"=>false,
"_shards"=>{"total"=>5, "successful"=>5, "skipped"=>0, "failed"=>0},
"hits"=>{"total"=>0, "max_score"=>nil, "hits"=>[]}}>
但是,当我运行 Course.reindex
(从控制台或模型)或 RAILS_ENV=development bundle exec rake searchkick:reindex CLASS=Course --trace
形成终端时再次开始工作。
[33] pry(main)> Searchkick.search "Elasticsearch", operator: "or",index_name: [Course],where:{institute_id: 113, searchable: true},fields: ['name^100','instructor_name^100','description^50'],match: :word_start,misspellings: {edit_distance: 2}
ETHON: performed EASY effective_url=http://xx:xx@xxx.xx.xx.xxx/elasticsearch/courses_development/_search response_code=200 return_code=ok total_time=0.57072
Search (573.5ms) curl http://xxx.xx.xx.xxx:80/courses_development/_search?pretty -d '{"query":{"bool":{"must":{"dis_max":{"queries":[{"bool":{"must":{"bool":{"should":[{"match":{"name.word_start":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}},{"match":{"name.word_start":{"query":"Elasticsearch","boost":100.0,"operator":"or","analyzer":"searchkick_word_search","fuzziness":2,"prefix_length":0,"max_expansions":3,"fuzzy_transpositions":true}}}]}},"should":{"match":{"name.analyzed":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}}}},{"bool":{"must":{"bool":{"should":[{"match":{"instructor_name.word_start":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}},{"match":{"instructor_name.word_start":{"query":"Elasticsearch","boost":100.0,"operator":"or","analyzer":"searchkick_word_search","fuzziness":2,"prefix_length":0,"max_expansions":3,"fuzzy_transpositions":true}}}]}},"should":{"match":{"instructor_name.analyzed":{"query":"Elasticsearch","boost":1000.0,"operator":"or","analyzer":"searchkick_word_search"}}}}},{"bool":{"must":{"bool":{"should":[{"match":{"description.word_start":{"query":"Elasticsearch","boost":500.0,"operator":"or","analyzer":"searchkick_word_search"}}},{"match":{"description.word_start":{"query":"Elasticsearch","boost":50.0,"operator":"or","analyzer":"searchkick_word_search","fuzziness":2,"prefix_length":0,"max_expansions":3,"fuzzy_transpositions":true}}}]}},"should":{"match":{"description.analyzed":{"query":"Elasticsearch","boost":500.0,"operator":"or","analyzer":"searchkick_word_search"}}}}}]}},"filter":[{"term":{"institute_id":113}}]}},"size":1000,"from":0,"timeout":"11s","_source":false}'
=> #<Searchkick::Results:0x007fcb8f2893a0
@klass=nil,
@options=
{:page=>1,
:per_page=>1000,
:padding=>0,
:load=>true,
:includes=>nil,
:model_includes=>nil,
:json=>false,
:match_suffix=>:word_start,
:highlighted_fields=>[],
:misspellings=>true},
@response=
{"took"=>32,
"timed_out"=>false,
"_shards"=>{"total"=>5, "successful"=>5, "skipped"=>0, "failed"=>0},
"hits"=>
{"total"=>2,
"max_score"=>19030.512,
"hits"=>
[{"_index"=>"courses_development_20171204170257200",
"_type"=>"course",
"_id"=>"4792",
"_score"=>19030.512},
{"_index"=>"courses_development_20171204170257200",
"_type"=>"course",
"_id"=>"4782",
"_score"=>14400.825}]}}>
最佳答案
def self.reindex_course
index = Course.reindex(async: true, refresh_interval: "5s")
Course.search_index.promote(index[:index_name], update_refresh_interval: true)
Course.search_index.clean_indices
end
看起来在最后一行调用 Course.search_index.clean_indices
会清除旧索引。我想你可能想在第一行调用它,或者根本不调用它。
关于ruby-on-rails - 从模型重新索引后 Searchkick 索引为空,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47632168/
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