{"id":1587,"date":"2018-08-02T13:05:48","date_gmt":"2018-08-02T13:35:48","guid":{"rendered":"https:\/\/ultering.com\/it4us\/?p=1587"},"modified":"2020-03-19T22:56:40","modified_gmt":"2020-03-19T23:26:40","slug":"nosql-redis-anotations","status":"publish","type":"post","link":"https:\/\/ultering.com\/it4us\/?p=1587","title":{"rendered":"NOSQL: REDIS – ANOTATIONS"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Basic concepts:<\/td>\n<\/tr>\n
<\/td>\n-key-value store<\/td>\n<\/tr>\n
<\/td>\n-NoSql<\/td>\n<\/tr>\n
<\/td>\n-Values with expiration\/ good for security<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nCommands (=> indicates the return expected)<\/td>\n<\/tr>\n
<\/td>\nSET server:name “fido”<\/td>\n<\/tr>\n
<\/td>\n– store based into a key<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nSETNX<\/td>\n<\/tr>\n
<\/td>\n– store if not exists values<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nEXPIRE resource:lock 120<\/td>\n<\/tr>\n
<\/td>\n– set a value to exists only for some defined time<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nTTL resource:lock 113<\/td>\n<\/tr>\n
<\/td>\n– gets the last duration time for the value<\/td>\n<\/tr>\n
<\/td>\n– when its -2 the value doesnt doesnt exists<\/td>\n<\/tr>\n
<\/td>\n– when its -1 the value doesnt have a expiration<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nINCR<\/td>\n<\/tr>\n
<\/td>\n– increment automaticly a number stored into a given key<\/td>\n<\/tr>\n
<\/td>\n– its a atomic operation<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nGET server:name => “fido”F<\/td>\n<\/tr>\n
<\/td>\n– recover the value<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nDEL<\/td>\n<\/tr>\n
<\/td>\n– delete the key and his value<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n– List Data Structure<\/td>\n<\/tr>\n
<\/td>\nRPUSH<\/td>\n<\/tr>\n
<\/td>\n– puts a new value at the end of the list<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nLPUSH<\/td>\n<\/tr>\n
<\/td>\n– put a new value in the start of the list<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nLRANGE tableName startRange EndRange (-1 to all the list)<\/td>\n<\/tr>\n
<\/td>\n– gives a subset of the list, 2<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nLLEN tableName => 3<\/td>\n<\/tr>\n
<\/td>\n– returns the number of elements on the table<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nLPOP tableName => “something”<\/td>\n<\/tr>\n
<\/td>\n– remove and returns the first element of a list<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nRPOP tableName => “Something”<\/td>\n<\/tr>\n
<\/td>\n– removes the last element of the list and returns it<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n– Set data structure<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\ncommands<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n
<\/td>\nLPUSH,<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n
<\/div>","protected":false},"excerpt":{"rendered":"

Basic concepts: -key-value store -NoSql -Values with expiration\/ good for security Commands (=> indicates the return expected) SET server:name “fido” – store based into a key SETNX – store if not exists values EXPIRE resource:lock 120 – set a value to exists only for some defined time TTL resource:lock 113 – gets the last duration … Read More “NOSQL: REDIS – ANOTATIONS”<\/span> »<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[34],"tags":[36,37],"class_list":["post-1587","post","type-post","status-publish","format-standard","hentry","category-techs","tag-nosql","tag-redis"],"_links":{"self":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts\/1587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1587"}],"version-history":[{"count":1,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts\/1587\/revisions"}],"predecessor-version":[{"id":2609,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=\/wp\/v2\/posts\/1587\/revisions\/2609"}],"wp:attachment":[{"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ultering.com\/it4us\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}