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Elasticsearch Symfony2 integration, data struct...
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Oleg Zinchenko
May 31, 2013
Technology
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Elasticsearch Symfony2 integration, data structures
Oleg Zinchenko
May 31, 2013
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Transcript
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Symfony developer sinсe 2009 TeamLead at Exercise.com Symfony2 evangelist https://twitter.com/1cdecoder
https://github.com/cystbear http://cystbear.tumblr.com/
elasticsearch
None
SELECT * FROM Article WHERE Text LIKE 'Symfony';
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Shay Banon 07-Jul-2010 http://www.kimchy.org/the_future_of_compass/
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* List * Graph * Tree * Hash * Heap
* Queue * Stack
Tree
Binary search tree
AVL-tree
B-tree
ANOTHER WAY
Indexes B-Tree Spatial grid Quadtree R-Tree Hash Bitmap Reverse index
Inverted index Partial index Function-based index http://habrahabr.ru/post/102785/
Inverted index "it is what it is" -- 0 "what
is it" -- 1 "it is a banana" -- 2
Inverted index "it is what it is" -- 0 "what
is it" -- 1 "it is a banana" -- 2 "a": {2} "banana": {2} "is": {0, 1, 2} "it": {0, 1, 2} "what": {0, 1}
Inverted index "it is what it is" -- 0 "what
is it" -- 1 "it is a banana" -- 2 "a": {2} "banana": {2} "is": {0, 1, 2} "it": {0, 1, 2} "what": {0, 1} "what is it"
Inverted index "it is what it is" -- 0 "what
is it" -- 1 "it is a banana" -- 2 "a": {2} "banana": {2} "is": {0, 1, 2} "it": {0, 1, 2} "what": {0, 1} "what is it" "what" "is" "it"
Inverted index "it is what it is" -- 0 "what
is it" -- 1 "it is a banana" -- 2 "a": {2} "banana": {2} "is": {0, 1, 2} "it": {0, 1, 2} "what": {0, 1} "what is it" "what" "is" "it"
Inverted index "it is what it is" -- 0 "what
is it" -- 1 "it is a banana" -- 2 "a": {2} "banana": {2} "is": {0, 1, 2} "it": {0, 1, 2} "what": {0, 1} "what is it" "what" "is" "it" {0,1} ⋂ {0,1,2} ⋂ {0,1,2} = {0,1}
Inverted index "it is what it is" -- 0 "what
is it" -- 1 "it is a banana" -- 2 "a": {2} "banana": {2} "is": {0, 1, 2} "it": {0, 1, 2} "what": {0, 1} "what is it" "what" "is" "it" {0,1} ⋂ {0,1,2} ⋂ {0,1,2} = {0,1} "it is what it is", "what is it"
Morphology Stop words
elasticsearch Real time data Real time analytics Distributed High availability
Multi-tenancy Full text search JSON Document oriented Conflict management Schema free RESTful API Build on top of Apache Lucene
elasticsearch base Index Type Document
elasticsearch types String Number Date Boolean Binary
elasticsearch CRUD curl -XPUT http://localhost:9200/blog/article/1 -d '{ "title": "New version
of Elastic Search released!", "content": "...", "tags": ["announce", "elasticsearch", "release"] }'
http://www.amazon.com/ElasticSearch-Server-ebook/dp/B00BAOC2KQ
PHP/Symfony2 integration Java Lucene Elasticsearch PHP Elastica FOSElasticaBundle
FOSElasticaBundle External serializer (JMSserializer) Persistence: orm, mongodb, propel Native repositories
Custom query builder: repo method Pagination: Pagerfanta, KnpPaginator
FOSElasticaBundle External serializer (JMSserializer) fos_elastica: clients: default: { host: localhost,
port: 9200 } serializer: callback_class: FOS\ElasticaBundle\Serializer\Callback serializer: serializer indexes: website: client: default types: user: mappings: username: { boost: 5 } firstName: { boost: 3 } lastName: { boost: 3 } aboutMe: ~
FOSElasticaBundle Persistence: orm, mongodb, propel fos_elastica: clients: default: { host:
localhost, port: 9200 } serializer: callback_class: FOS\ElasticaBundle\Serializer\Callback serializer: serializer indexes: website: client: default types: user: mappings: username: { boost: 5 } firstName: { boost: 3 } # more mappings... persistence: driver: mongodb model: Application\UserBundle\Document\User provider: ~
FOSElasticaBundle Custom query builder: repo method persistence: driver: mongod model:
Application\UserBundle\Document\User provider: query_builder_method: createIsActiveQueryBuilder
FOSElasticaBundle Pagination: Pagerfanta, KnpPaginator $finder = $container->get('fos_elastica.finder.website.user'); /* Pagerfanta */
$userPaginator = $finder->findPaginated('bob'); /* Knp paginator */ $paginator = $this->get('knp_paginator'); $userPaginator = $paginator ->paginate($finder->createPaginatorAdapter('bob'));
FOSElasticaBundle Search $finder = $this->container->get('fos_elastica.finder.website.article'); $boolQuery = new \Elastica\Query\Bool(); $fieldQuery
= new \Elastica\Query\Text(); $fieldQuery->setFieldQuery('title', 'I am a title string'); $fieldQuery->setFieldParam('title', 'analyzer', 'my_analyzer'); $boolQuery->addShould($fieldQuery); $tagsQuery = new \Elastica\Query\Terms(); $tagsQuery->setTerms('tags', array('tag1', 'tag2')); $boolQuery->addShould($tagsQuery); $categoryQuery = new \Elastica\Query\Terms(); $categoryQuery->setTerms('categoryIds', array('1', '2', '3')); $boolQuery->addMust($categoryQuery); $data = $finder->find($boolQuery);
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