{"id":61435,"date":"2024-10-13T11:06:14","date_gmt":"2024-10-13T03:06:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/61435\/"},"modified":"2024-10-13T11:06:14","modified_gmt":"2024-10-13T03:06:14","slug":"flink-sql%e6%93%8d%e4%bd%9chudi%e4%b8%a6%e5%90%8c%e6%ad%a5hive%e4%bd%bf%e7%94%a8%e7%b8%bd%e7%b5%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/61435\/","title":{"rendered":"Flink SQL\u64cd\u4f5cHudi\u4e26\u540c\u6b65Hive\u4f7f\u7528\u7e3d\u7d50"},"content":{"rendered":"

Flink SQL\u64cd\u4f5cHudi\u4e26\u540c\u6b65Hive\u4f7f\u7528\u7e3d\u7d50<\/h1>\n

\u96a8\u8457\u5927\u6578\u64da\u6280\u8853\u7684\u8fc5\u901f\u767c\u5c55\uff0cApache Flink\u548cApache Hudi\u7684\u7d50\u5408\u70ba\u6578\u64da\u8655\u7406\u548c\u5b58\u5132\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u89e3\u6c7a\u65b9\u6848\u3002Flink SQL\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6d41\u8655\u7406\u5f15\u64ce\uff0c\u80fd\u5920\u8207Hudi\u9032\u884c\u7121\u7e2b\u96c6\u6210\uff0c\u5be6\u73fe\u6578\u64da\u7684\u5373\u6642\u67e5\u8a62\u548c\u66f4\u65b0\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Flink SQL\u64cd\u4f5cHudi\u4e26\u540c\u6b65\u5230Hive\u7684\u904e\u7a0b\u3002<\/p>\n

Apache Hudi\u7c21\u4ecb<\/h2>\n

Apache Hudi\uff08Hadoop Upserts Deletes and Incrementals\uff09\u662f\u4e00\u500b\u958b\u6e90\u6578\u64da\u6e56\u89e3\u6c7a\u65b9\u6848\uff0c\u65e8\u5728\u652f\u6301\u5927\u898f\u6a21\u6578\u64da\u7684\u589e\u91cf\u8655\u7406\u3002Hudi\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6578\u64da\u5beb\u5165\u548c\u67e5\u8a62\u80fd\u529b\uff0c\u4e26\u652f\u6301ACID\u4e8b\u52d9\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u6578\u64da\u6e56\u7684\u5834\u666f\u4e2d\u975e\u5e38\u53d7\u6b61\u8fce\u3002<\/p>\n

1. \u5275\u5efaHudi\u8868<\/h3>\n
CREATE TABLE hudi_table (\n    uuid STRING,\n    name STRING,\n    age INT,\n    ts TIMESTAMP(3),\n    PRIMARY KEY (uuid) NOT ENFORCED\n) \nWITH (\n    'connector' = 'hudi',\n    'table.type' = 'MERGE_ON_READ',\n    'path' = 'hdfs:\/\/path\/to\/hudi_table',\n    'hudi.table.name' = 'hudi_table'\n);<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500bHudi\u8868\uff0c\u4e26\u6307\u5b9a\u4e86\u8868\u7684\u7d50\u69cb\u548c\u5b58\u5132\u8def\u5f91\u3002<\/p>\n
2. \u63d2\u5165\u6578\u64da<\/h3>\n
INSERT INTO hudi_table VALUES\n('1', 'Alice', 30, CURRENT_TIMESTAMP),\n('2', 'Bob', 25, CURRENT_TIMESTAMP);<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u6578\u64da\u63d2\u5165\u5230Hudi\u8868\u4e2d\u3002<\/p>\n
3. \u66f4\u65b0\u6578\u64da<\/h3>\n
UPDATE hudi_table SET age = 31 WHERE uuid = '1';<\/code><\/pre>\n
\u9019\u88e1\u6211\u5011\u66f4\u65b0\u4e86uuid\u70ba’1’\u7684\u8a18\u9304\u7684\u5e74\u9f61\u3002<\/p>\n
\u5c07Hudi\u6578\u64da\u540c\u6b65\u5230Hive<\/h2>\n
\u5c07Hudi\u6578\u64da\u540c\u6b65\u5230Hive\u53ef\u4ee5\u901a\u904eHive\u7684\u5916\u90e8\u8868\u4f86\u5be6\u73fe\u3002\u9019\u6a23\u53ef\u4ee5\u4f7f\u5f97Hive\u7528\u6236\u80fd\u5920\u67e5\u8a62Hudi\u8868\u4e2d\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u540c\u6b65\u7684\u6b65\u9a5f\uff1a<\/p>\n
1. \u5275\u5efaHive\u5916\u90e8\u8868<\/h3>\n
CREATE EXTERNAL TABLE hive_hudi_table (\n    uuid STRING,\n    name STRING,\n    age INT,\n    ts TIMESTAMP\n) \nSTORED AS INPUTFORMAT 'org.apache.hudi.hadoop.HoodieParquetInputFormat'\nOUTPUTFORMAT 'org.apache.hudi.hadoop.HoodieParquetOutputFormat'\nLOCATION 'hdfs:\/\/path\/to\/hudi_table';<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500bHive\u5916\u90e8\u8868\uff0c\u4e26\u6307\u5b9a\u4e86Hudi\u8868\u7684\u5b58\u5132\u4f4d\u7f6e\u3002<\/p>\n
2. \u67e5\u8a62Hive\u8868<\/h3>\n
SELECT * FROM hive_hudi_table WHERE age > 25;<\/code><\/pre>\n
\u901a\u904e\u9019\u500b\u67e5\u8a62\uff0c\u6211\u5011\u53ef\u4ee5\u5f9eHive\u4e2d\u7372\u53d6\u5e74\u9f61\u5927\u65bc25\u7684\u8a18\u9304\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4f7f\u7528Flink SQL\u64cd\u4f5cHudi\u4e26\u5c07\u6578\u64da\u540c\u6b65\u5230Hive\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u548c\u67e5\u8a62\u3002\u9019\u7a2e\u96c6\u6210\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u7c21\u5316\u4e86\u6578\u64da\u7ba1\u7406\u7684\u6d41\u7a0b\u3002\u96a8\u8457\u5927\u6578\u64da\u6280\u8853\u7684\u9032\u4e00\u6b65\u767c\u5c55\uff0c\u9019\u7a2e\u89e3\u6c7a\u65b9\u6848\u5c07\u5728\u6578\u64da\u6e56\u7684\u5efa\u8a2d\u4e2d\u767c\u63ee\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001\u9999\u6e2fVPS<\/a>\u3001\u4f3a\u670d\u5668\u6216\u5176\u4ed6\u96f2\u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7e3d\u7d50Flink SQL\u64cd\u4f5cHudi\u4e26\u540c\u6b65Hive\u7684\u95dc\u9375\u6b65\u9a5f\u8207\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u6574\u5408\u80fd\u529b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-61435","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=61435"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61435\/revisions"}],"predecessor-version":[{"id":61436,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/61435\/revisions\/61436"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=61435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=61435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=61435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}