{"id":25932,"date":"2019-11-21T16:02:32","date_gmt":"2019-11-21T08:02:32","guid":{"rendered":"https:\/\/www.growthhk.cn\/?p=25932"},"modified":"2019-11-21T16:02:34","modified_gmt":"2019-11-21T08:02:34","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8%e4%b8%80%e5%91%a8%e5%86%85%e4%b8%8a%e7%ba%bf50%e4%b8%aa%e7%94%a8%e6%88%b7%e5%a2%9e%e9%95%bf%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/www.growthhk.cn\/cgo\/product\/25932.html","title":{"rendered":"\u5982\u4f55\u5728\u4e00\u5468\u5185\u4e0a\u7ebf50\u4e2a\u7528\u6237\u589e\u957f\u7b56\u7565"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>\u5bfc\u8bfb\uff1a\u5e74\u521d\u7684\u4e00\u4e2a\u6668\u4f1a\u4e0a\uff0c<span class=\"wpcom_tag_link\"><a href=\"https:\/\/www.growthhk.cn\/tag\/%e7%94%a8%e6%88%b7%e5%a2%9e%e9%95%bf\" title=\"\u7528\u6237\u589e\u957f\" 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class=\"wp-image-25938\"\/><\/figure><\/div>\n\n\n\n<p>\u4f46\u662f\u5c06\u4e0a\u8ff0\u89c4\u5219\u5957\u4e0a\u89c4\u5219\u5f15\u64ce\u540e\uff0c\u5c31\u4f1a\u53d1\u73b0\u65e0\u6cd5\u5c06\u5b89\u5168\u7684\u89c4\u5219\u5957\u4e0a\u89c4\u5219\u5f15\u64ce\u3002\u5047\u8bbe\u6211\u4eec\u7684\u8be6\u7ec6\u89c4\u5219\u662f1\u5206\u949f\u5185\u88ab\u62c9\u9ed12\u6b21\uff0c\u5c31\u5bf9\u8be5\u7528\u6237\u6253\u4e0a\u9ad8\u5371\u6807\u8bb0\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\u6211\u4eec\u60f3\u4e00\u60f3\uff0c\u5f53\u6765\u4e86\u7b2c\u4e00\u4e2a\u62c9\u9ed1\u4e8b\u4ef6\u540e\uff0c\u5339\u914d\u4e0a\u4e86\u3002\u7136\u540e\u7d27\u63a5\u7740\u6765\u4e86\u7b2c\u4e8c\u4e2a\u62c9\u9ed1\u4e8b\u4ef6\uff0c\u4e5f\u5339\u914d\u4e0a\u4e86\u3002\u6b64\u65f6\u6309\u7167\u89c4\u5219\u5f15\u64ce\u7684\u89c6\u89d2\uff0c\u6761\u4ef6\u5df2\u7ecf\u6ee1\u8db3\u4e86\uff0c\u53ef\u4ee5\u8fdb\u884c\u4e0b\u4e00\u6b65\u64cd\u4f5c\u4e86\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\u518d\u4ed4\u7ec6\u770b\u4e00\u770b\u89c4\u5219\uff0c\u6211\u4eec\u7684\u89c4\u5219\u662f\u8981\u88ab\u4e0d\u540c\u7684\u7528\u6237\u62c9\u9ed1\uff0c\u56e0\u4e3a\u6709\u53ef\u80fd\u662f\u540c\u4e00\u4e2a\u7528\u6237\u64cd\u4f5c\u4e86\u591a\u6b21\u62c9\u9ed1\uff08\u540c\u65f6\u591a\u5f00\u8bbe\u5907\uff09\u3002\u800c\u89c4\u5219\u5f15\u64ce\u4e0a\u53ea\u77e5\u9053\u5339\u914d\u5230\u4e862\u6b21\u62c9\u9ed1\u4e8b\u4ef6\uff0c\u5bf9\u89c4\u5219\u5f15\u64ce\u6765\u8bf4\u5df2\u7ecf\u6ee1\u8db3\u4e86\u3002\u5374\u65e0\u6cd5\u77e5\u9053\u662f\u5426\u662f\u4e0d\u540c\u4eba\u64cd\u4f5c\u7684\u3002<\/p>\n\n\n\n<p>\u5176\u6839\u672c\u539f\u56e0\u662f\u56e0\u4e3a\u5728\u89c4\u5219\u5f15\u64ce\u91cc\uff0c\u4e8b\u4ef6\u90fd\u662f\u65e0\u72b6\u6001\u7684\uff0c\u65e0\u6cd5\u56de\u6eaf\u53bb\u505a\u805a\u5408\u8ba1\u7b97\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"634\" height=\"412\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-983.png\" alt=\"\" class=\"wp-image-25939\"\/><\/figure><\/div>\n\n\n\n<p><strong>\u65b0\u7684\u89e3\u51b3\u65b9\u6848<\/strong>\u9488\u5bf9\u89c4\u5219\u5f15\u64ce\u7684\u5c40\u9650\u6027\uff0c\u91cd\u65b0\u5206\u6790\u548c\u68b3\u7406\u4e86\u6211\u4eec\u7684\u5b9e\u9645\u4e1a\u52a1\u573a\u666f\u3002\u5e76\u7ed3\u5408\u4e86\u4e1a\u754c\u77e5\u540d\u7684\u901a\u7528\u7684\u89e3\u51b3\u65b9\u6848\u540e\uff0c\u8bbe\u8ba1\u51fa\u4e86\u65b0\u7684\u65b9\u6848\uff0c\u5b9a\u4e49\u4e86\u65b0\u7684DSL\u3002\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u4eec\u7684\u8bed\u6cd5\u662f\u7c7bSQL\u7684\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u8003\u8651\uff1a<\/p>\n\n\n\n<ul 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class=\"wp-block-list\"><li>\u589e\u52a0\u4e86\u6761\u4ef6\u8868\u8fbe\u5f0f\u3002\u53ef\u4ee5\u652f\u6301\u66f4\u4e30\u5bcc\u66f4\u590d\u6742\u7684\u4e8b\u4ef6\u63cf\u8ff0\uff0c\u4e5f\u5c31\u80fd\u652f\u6491\u66f4\u591a\u7684\u4e1a\u52a1\u573a\u666f\u3002<\/li><li>\u589e\u52a0\u4e86\u65f6\u95f4\u8868\u8fbe\u5f0f\u3002\u901a\u8fc7WITHIN\u5173\u952e\u5b57\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65f6\u95f4\u7a97\u53e3\u3002\u901a\u8fc7HAVING\u4e4b\u540e\u8ddf\u7684DISTINCT\u7b49\u5173\u952e\u5b57\uff0c\u5c31\u53ef\u4ee5\u9488\u5bf9\u65f6\u95f4\u7a97\u53e3\u5185\u7684\u4e8b\u4ef6\u8fdb\u884c\u805a\u5408\u8ba1\u7b97\u3002\u4f7f\u7528\u65b0\u7684\u65b9\u6848\uff0c\u5c31\u53ef\u4ee5\u5f88\u597d\u5730\u89e3\u51b3\u4e0a\u8ff0C2C\u4e1a\u52a1\u4e0a\u7684\u89c4\u5219\u63cf\u8ff0\u95ee\u9898\u3002<\/li><li>\u6269\u5c55\u6027\u5f3a\u3002\u9075\u5faa\u4e86\u4e1a\u754c\u6807\u51c6\uff0c\u4e0e\u5177\u4f53\u4e1a\u52a1\u7684\u8f93\u5165\u548c\u8f93\u51fa\u65e0\u5173\uff0c\u4fbf\u4e8e\u63a8\u5e7f\u3002<\/li><\/ul>\n\n\n\n<p>\u9488\u5bf9\u4e4b\u524d\u7684C2C\u4e1a\u52a1\u4e0a\u7684\u89c4\u5219\u63cf\u8ff0\u95ee\u9898\uff0c\u4f7f\u7528\u65b0\u65b9\u6848\u7684\u4f8b\u5b50\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"667\" height=\"762\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-985.png\" alt=\"\" class=\"wp-image-25941\"\/><\/figure><\/div>\n\n\n\n<p><strong>\u6574\u4f53\u5206\u5c42\u67b6\u6784<\/strong><\/p>\n\n\n\n<p>\u57fa\u4e8e\u8fd9\u5957\u7528EPL\uff08Event Programming Language\uff09\u5199\u51fa\u7684DSL\uff0c\u4e3a\u4e86\u505a\u597d\u5de5\u7a0b\u5316\uff0c\u6211\u4eec\u505a\u4e86\u5982\u4e0b\u7684\u6574\u4f53\u5206\u5c42\u67b6\u6784\u3002\u4e3a\u4e86\u5feb\u901f\u5b9e\u73b0\u6700\u5c0f\u95ed\u73af\u9a8c\u8bc1\u6548\u679c\uff0c\u6211\u4eec\u9009\u62e9\u5148\u57fa\u4e8eBlink\uff08Blink\u662f\u963f\u91cc\u5bf9Flink\u7684\u5185\u90e8\u4f18\u5316\u548c\u5347\u7ea7\uff09\u505a\u4e91\u4e0a\u7684\u89e3\u6790\u548c\u8ba1\u7b97\u5f15\u64ce\u3002\u5728\u8fd9\u4e2a\u5206\u5c42\u67b6\u6784\u91cc\uff0c\u81f3\u4e0a\u800c\u4e0b\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4e1a\u52a1\u5e94\u7528\u3002\u5728\u8fd9\u91cc\u662f\u6211\u4eec\u6574\u4e2a\u7cfb\u7edf\u7684\u4e1a\u52a1\u65b9\uff0c\u5df2\u7ecf\u5728\u591a\u4e2a\u4e1a\u52a1\u573a\u666f\u4e0b\u505a\u4e86\u843d\u5730\u3002<\/li><li>\u4efb\u52a1\u6295\u653e\u3002\u8fd9\u91cc\u662f\u5bf9\u4e1a\u52a1\u5e94\u7528\u5c42\u63d0\u4f9bDSL\u58f0\u660e\u548c\u6295\u653e\u7684\u80fd\u529b\uff0c\u80fd\u53ef\u4ee5\u505a\u7b80\u5355\u7684\u5708\u4eba\uff0c\u4ee5\u53ca\u4e0e\u7528\u6237\u89e6\u8fbe\u6a21\u5757\u7684\u5173\u8054\u3002<\/li><li>\u7528\u6237\u89e6\u8fbe\u3002\u8fd9\u4e2a\u6a21\u5757\u7528\u4e8e\u63a5\u6536\u6765EPL\u5f15\u64ce\u8ba1\u7b97\u7684\u7ed3\u679c\uff0c\u6839\u636e\u5173\u8054\u7684Action\u6765\u5b9e\u65bd\u52a8\u4f5c\u3002\u540c\u65f6\u8fd9\u4e2a\u6a21\u5757\u4e5f\u53ef\u4ee5\u72ec\u7acb\u5bf9\u4e1a\u52a1\u5e94\u7528\u63d0\u4f9b\u670d\u52a1\uff0c\u5373\u5404\u4e2a\u4e1a\u52a1\u65b9\u53ef\u4ee5\u62e5\u6709\u81ea\u5df1\u7684\u903b\u8f91\uff0c\u901a\u8fc7\u7528\u6237\u89e6\u8fbe\u6a21\u5757\u6765\u89e6\u8fbe\u7528\u6237\u3002<\/li><li>EPL\u5f15\u64ce\u3002\u76ee\u524d\u5df2\u7ecf\u5b9e\u73b0\u4e86\u4e91\u4e0a\u7684\u89e3\u6790\u548c\u7ed3\u7b97\u3002\u7528\u4e8e\u63a5\u6536\u6765\u81ea\u4efb\u52a1\u6295\u653e\u91cc\u58f0\u660e\u7684DSL\uff0c\u518d\u53bb\u89e3\u6790\u548c\u8fd0\u884c\u5728Blink\u4e0a\u3002<\/li><li>\u4e8b\u4ef6\u91c7\u96c6\u3002\u8d1f\u8d23\u901a\u8fc7\u670d\u52a1\u7aef\u65e5\u5fd7\u548c\u884c\u4e3a\u6253\u70b9\u91cc\u91c7\u96c6\u884c\u4e3a\u4e8b\u4ef6\uff0c\u5e76\u5f52\u4e00\u5316\u5730\u8f93\u51fa\u7ed9EPL\u5f15\u64ce\u3002<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"540\" height=\"367\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-986.png\" alt=\"\" class=\"wp-image-25942\"\/><\/figure><\/div>\n\n\n\n<p><strong>\u4e8b\u4ef6\u91c7\u96c6<\/strong>\u901a\u8fc7\u5207\u9762\u7684\u65b9\u5f0f\u62e6\u622a\u6240\u6709\u7684\u7f51\u7edc\u8bf7\u6c42\u548c\u884c\u4e3a\u6253\u70b9\uff0c\u518d\u8bb0\u5f55\u5230\u670d\u52a1\u7aef\u65e5\u5fd7\u6d41\u91cc\u3002\u540c\u65f6\u901a\u8fc7\u4e00\u4e2a\u4e8b\u5b9e\u4efb\u52a1\u5bf9\u4e8b\u4ef6\u6d41\u8fdb\u884c\u6e05\u6d17\uff0c\u6309\u524d\u9762\u5b9a\u4e49\u7684\u683c\u5f0f\u6e05\u6d17\u51fa\u6211\u4eec\u60f3\u8981\u7684\u4e8b\u4ef6\u3002\u518d\u5c06\u6e05\u6d17\u540e\u7684\u65e5\u5fd7\u8f93\u51fa\u5230\u53e6\u4e00\u4e2a\u65e5\u5fd7\u6d41\u91cc\uff0c\u4f9bEPL\u5f15\u64ce\u6765\u8bfb\u53d6\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"588\" height=\"287\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-987.png\" alt=\"\" class=\"wp-image-25943\"\/><\/figure><\/div>\n\n\n\n<p><strong>EPL\u5b9e\u73b0<\/strong><\/p>\n\n\n\n<p>\u7531\u4e8e\u6211\u4eec\u91c7\u53d6\u4e86\u7c7bSQL\u8bed\u6cd5\uff0c\u800cCalcite\u662f\u4e1a\u754c\u901a\u7528\u7684\u89e3\u6790SQL\u7684\u5de5\u5177\uff0c\u56e0\u6b64\u6211\u4eec\u91c7\u7528Calcite\u5e76\u901a\u8fc7\u81ea\u5b9a\u4e49\u5176\u4e2d\u7684parser\u6765\u89e3\u6790\u3002\u5982\u679c\u662f\u5355\u4e00\u4e8b\u4ef6\u7684DSL\uff0c\u5219\u4f1a\u89e3\u6790\u6210Flink SQL\u3002\u5982\u679c\u662f\u591a\u4e8b\u4ef6\u7684DSL\uff0c\u5219\u4f1a\u89e3\u6790\u540e\u901a\u8fc7\u76f4\u63a5\u8c03\u7528Blink\u7684API\u63a5\u53e3\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"798\" height=\"443\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-988.png\" alt=\"\" class=\"wp-image-25944\"\/><\/figure><\/div>\n\n\n\n<p><strong>\u7528\u6237\u89e6\u8fbe<\/strong><\/p>\n\n\n\n<p>\u5f53EPL\u5f15\u64ce\u8ba1\u7b97\u51fa\u7ed3\u679c\u4e4b\u540e\uff0c\u4f1a\u8f93\u51fa\u7ed9\u7528\u6237\u89e6\u8fbe\u6a21\u5757\u3002\u9996\u5148\u4f1a\u8fdb\u884c\u4e00\u4e2aAction\u8def\u7531\uff0c\u6700\u7ec8\u51b3\u7b56\u51fa\u9700\u8981\u7531\u5177\u4f53\u54ea\u4e00\u4e2aAction\u6765\u54cd\u5e94\uff0c\u6700\u540e\u901a\u8fc7\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u957f\u8fde\u63a5\u5c06Action\u4e0b\u53d1\u5230\u7aef\u4e0a\u3002\u7aef\u4e0a\u6536\u5230\u5177\u4f53\u7684Action\u540e\uff0c\u4f1a\u5148\u5224\u65ad\u5f53\u524d\u7528\u6237\u7684\u884c\u4e3a\u662f\u5426\u5141\u8bb8\u5c55\u793a\u8be5Action\u3002\u5982\u679c\u53ef\u4ee5\u7684\u8bdd\uff0c\u5c31\u76f4\u63a5\u6267\u884cAction\u7684\u5177\u4f53\u5185\u5bb9\uff0c\u66dd\u5149\u7ed9\u7528\u6237\u3002\u7528\u6237\u770b\u5230\u8fd9\u6b21\u54cd\u5e94\u540e\u4f1a\u6709\u76f8\u5e94\u7684\u884c\u4e3a\uff0c\u90a3\u4e48\u8fd9\u90e8\u5206\u7684\u884c\u4e3a\u4f1a\u5f71\u54cd\u5230Action\u8def\u7531\uff0c\u5bf9\u8fd9\u6b21\u7684\u8def\u7531\u7684\u505a\u51fa\u4e00\u4e2a\u53cd\u9988\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"713\" height=\"277\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-989.png\" alt=\"\" class=\"wp-image-25945\"\/><\/figure><\/div>\n\n\n\n<p><strong>\u5e94\u7528\u843d\u5730<\/strong>\u65b0\u65b9\u6848\u4e0a\u7ebf\u540e\uff0c\u6211\u4eec\u5c31\u5728\u8d8a\u6765\u8d8a\u591a\u7684\u4e1a\u52a1\u573a\u666f\u91cc\u8fdb\u884c\u4e86\u843d\u5730\u3002\u8fd9\u91cc\u5217\u4e3e2\u4e2a\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"605\" height=\"338\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-990.png\" alt=\"\" class=\"wp-image-25946\"\/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"663\" height=\"765\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/image-991.png\" alt=\"\" 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