{"id":13123,"date":"2024-05-28T09:20:45","date_gmt":"2024-05-28T01:20:45","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=13123"},"modified":"2024-12-04T20:11:59","modified_gmt":"2024-12-04T12:11:59","slug":"slipstream-%e6%b5%81%e6%b5%81-join-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=13123","title":{"rendered":"Slipstream \u6d41\u6d41 join \u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<hr \/>\n<p>\u672c\u6587\u4e3b\u8981\u8bf4\u660e\uff1a\u6d41\u6d41 join \u7684\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879;<\/p>\n<p><strong>PS\uff1a\u6709\u6d41\u5f0f\u8ba1\u7b97\u573a\u666f\u9700\u6c42\u65f6\uff0c\u5f3a\u70c8\u5efa\u8bae\u9002\u7528 Slipstream 9.3.3 \u4ee5\u4e0a\u7248\u672c\u3002<\/strong><\/p>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<ol>\n<li>infinite window \u4e0d\u652f\u6301\u4e0e\u53e6\u5916\u4e00\u4e2a\u6d41 join<\/li>\n<li>\u6d41\u6d41 join \u5fc5\u8981\u53c2\u6570<\/li>\n<li>\u591a\u6d41 join \u4e0d\u652f\u6301<\/li>\n<li>\u6d41\u8868 glkjoin<\/li>\n<\/ol>\n<hr \/>\n<h4>infinite window \u4e0d\u652f\u6301\u548c \u53e6\u5916\u4e00\u4e2a\u6d41join<\/h4>\n<p>\u4e8b\u4ef6\u9a71\u52a8\u6a21\u5f0f\u4e0b\u6d41\u4e0e\u6d41\u7684 Join \u8981\u6c42 join \u7684\u4e24\u4e2a\u6d41\u5fc5\u987b\u662f window stream\uff0c\u4e14 window \u7684slide (\u6ed1\u52a8\u95f4\u9694) \u5fc5\u987b\u4e00\u81f4\uff1b<\/p>\n<p>\u4e14 infinite window \u4e0d\u652f\u6301\u548c \u53e6\u5916\u4e00\u4e2a\u6d41join<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/01\/image-1579488126680.png\" alt=\"file\" \/><\/p>\n<p>\u4e8b\u4ef6\u9a71\u52a8\u6a21\u5f0f\u4e0b\uff1a<\/p>\n<pre><code class=\"language-sql\">\n-- \u8bbe\u7f6e\u81ea\u52a8\u628a\u6570\u636e\u5237\u8fdb\u8868\nSET morphling.result.auto.flush=true;\n\n-- \u5efa\u6d41s1\nCREATE STREAM s1(id INT, letter STRING,ts TIMESTAMP)\nROW FORMAT DELIMITED FIELDS TERMINATED BY ','\nTBLPROPERTIES(\"topic\"=\"demoo\",\"kafka.zookeeper\"=\"172.22.39.7:2181,\",\"kafka.broker.list\"=\"172.22.39.7:9092\");\n\n-- \u5efa\u6d41s2\nCREATE STREAM s2(id INT, letter STRING,ts TIMESTAMP)\nROW FORMAT DELIMITED FIELDS TERMINATED BY ','\nTBLPROPERTIES(\"topic\"=\"demoo\",\"kafka.zookeeper\"=\"172.22.39.7:2181,\",\"kafka.broker.list\"=\"172.22.39.7:9092\");\n\n-- \u5efas1\u7684\u884d\u751f\u6d41s1_join\nCREATE STREAM s1_join as SELECT * FROM s1 STREAMWINDOW w1 AS\n(SEPARATED BY ts LENGTH '2' SECOND SLIDE '1' SECOND);\n\n-- \u5efas2\u7684\u884d\u751f\u6d41s2_join\nCREATE STREAM s2_join as SELECT * FROM s2 STREAMWINDOW w2 AS\n(SEPARATED BY ts LENGTH '2' SECOND SLIDE '1' SECOND);\n\n-- \u5efa\u7ed3\u679c\u8868t1\nCREATE TABLE t1 (n1 STRING,n2 string);\nINSERT INTO t1 SELECT s1_join.letter, s2_join.letter FROM s1_join JOIN s2_join ON s1_join.id =\ns2_join.id;\nSELECT * FROM t1;\n<\/code><\/pre>\n<p>\u7ed3\u679c\u8bf4\u660e\u4e24\u4e2a\u884d\u751f\u6d41join\u6210\u529f\uff1a<\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/01\/image-1579488209993.png\" alt=\"file\" \/><\/p>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/01\/image-1579488220575.png\" alt=\"file\" \/><\/p>\n<p><strong>\u8bf4\u660e\uff1a\u5fae\u6279\u6a21\u5f0f\u6d4b\u8bd5\u8bed\u53e5\u76f8\u540c<\/strong><\/p>\n<h4>\u6d41\u6d41 join \u5fc5\u8981\u53c2\u6570<\/h4>\n<ol>\n<li>\n<p>\u6d41\u6d41 join \u5fc5\u8981\u53c2\u6570<\/p>\n<ul>\n<li>&#8216;morphling.memory.optimize&#8217;=&#8217;true&#8217;<\/li>\n<li>&#8216;morphling.rocksdb.ttl.seconds&#8217;=&#8217;86400&#8217;<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4efb\u52a1\u9ad8\u53ef\u7528<\/p>\n<ul>\n<li>&#8216;morphling.job.enable.checkpoint&#8217;=&#8217;true&#8217;<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h4>\u4e0d\u652f\u63013\u4e2a\u53ca\u4ee5\u4e0a\u591a\u6d41 join<\/h4>\n<p>\u591a\u6d41 join \u573a\u666f\u4e0d\u652f\u6301 left join\uff1b<\/p>\n<h4>\u6d41\u8868 glkjoin<\/h4>\n<ul>\n<li>\n<p>\u6d41\u6d41\u4e0d\u80fd\u8d70 glkjoin\u3002<\/p>\n<\/li>\n<li>\n<p>\u6d41\u8868\u53ef\u4ee5\u8d70 glkjoin\uff0c\u5176\u4e2d\u8868\u5fc5\u987b\u662f hyperbase\u3001search\u3001holodesk \u8868\uff1b<\/p>\n<\/li>\n<li>\n<p>\u4e14 glkjoin \u7684 join \u6761\u4ef6\u5fc5\u987b\u662f rowkey \u5b57\u6bb5\uff08struct \u7c7b\u578b\u4e5f\u53ef\u4ee5\uff0c\u4f7f\u7528 struct_key.col1\uff09\u6216\u8005\u7d22\u5f15\u5b57\u6bb5;<\/p>\n<\/li>\n<\/ul>\n<p>glkjoin \u6027\u80fd\u53c2\u6570<\/p>\n<p>&#8216;stargate.global.lookup.join.batchsize&#8217;=&#8217;10&#8217;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 \u672c\u6587\u4e3b\u8981\u8bf4\u660e\uff1a\u6d41\u6d41 join \u7684\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879; PS\uff1a\u6709\u6d41\u5f0f\u8ba1\u7b97\u573a\u666f\u9700\u6c42\u65f6\uff0c\u5f3a\u70c8\u5efa\u8bae\u9002\u7528 Slips ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=13123\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13123","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/13123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13123"}],"version-history":[{"count":3,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/13123\/revisions"}],"predecessor-version":[{"id":15063,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/13123\/revisions\/15063"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}