<\/span><\/h2>\n\n\n\ndrop procedure if exists sp_table_segment_count;\ndelimiter \/\/\ncreate procedure sp_table_segment_count(dbname varchar,tbname varchar)\nmain:begin\n select check_version('9.5.3') into @rtn from dual;\n if !@rtn then\n select 'this function need 9.5.3 +';\n leave main;\n end if;\n \n call executeSQL('set gcluster_segment_id_replace=1');\n\n set @sql=concat('select segment_id,count(*) from '\n ,dbname\n ,'.'\n ,tbname\n ,' group by segment_id');\n call executeSQL(@sql);\nend\n\/\/\ndelimiter ;\n\ncall sp_table_segment_count('testdb','t1');<\/code><\/pre>\n\n\n\n<\/span>\u6c47\u603b<\/span><\/h2>\n\n\n\n-- executeSQL \u3010\u901a\u7528\u3011\u52a8\u6001\u6267\u884cSQL\r\ndelimiter \/\/\r\ncreate procedure executeSQL(\r\n S_SQL_TMP VARCHAR(21000)\r\n)\r\nBEGIN\r\n set @executeSQL_sql = S_SQL_TMP;\r\n PREPARE executeSQL_s1 FROM @executeSQL_sql ;\r\n EXECUTE executeSQL_s1;\r\n DEALLOCATE PREPARE executeSQL_s1;\r\nEND \/\/\r\ndelimiter ;\r\n\r\n-- check_version \u3010\u901a\u7528\u3011\u68c0\u67e5\u7248\u672c\r\ndrop function if exists check_version;\r\ndelimiter \/\/\r\ncreate function check_version(ver varchar) returns boolean\r\nbegin\r\n select instr(version(),ver) into @rtn;\r\n return @rtn;\r\nend \/\/ \r\ndelimiter ;\r\n\r\n\r\n-- sp_cluster_processlist \u96c6\u7fa4\u5c42\u6b63\u5728\u8fd0\u884c\u7684SQL\u4efb\u52a1\r\ndrop procedure if exists sp_cluster_processlist;\r\ndelimiter \/\/\r\ncreate procedure sp_cluster_processlist(showSize int,topN int)\r\nbegin\r\n set @sql=concat('select COORDINATOR_NAME, ID, user, host, command, start_time, time, state, substring(info,0,'\r\n ,showSize\r\n ,') info from information_schema.COORDINATORS_TASK_INFORMATION where command=\\'query\\' and info is not null and info not like \\'%information_schema.processlist%\\' order by time desc limit '\r\n ,topN);\r\n call executeSQL(@sql);\r\nend\r\n\/\/\r\ndelimiter ;\r\n-- call sp_cluster_processlist(100,10);\r\n\r\n-- sp_node_processlist \u8ba1\u7b97\u5c42\u6b63\u5728\u8fd0\u884c\u7684SQL\u4efb\u52a1\r\ndrop procedure if exists sp_node_processlist;\r\ndelimiter \/\/\r\ncreate procedure sp_node_processlist(showSize int,topN int)\r\nbegin\r\n set @sql=concat('select NODE_NAME, ID, user, host, command, start_time, time, state,substring(info,0,'\r\n ,showSize\r\n ,') info from information_schema.GNODES_TASK_INFORMATION where command=\\'query\\' and info is not null and info not like \\'%information_schema.processlist%\\' order by time desc limit '\r\n ,topN);\r\n call executeSQL(@sql);\r\nend\r\n\/\/\r\ndelimiter ;\r\n-- call sp_node_processlist(100,10);\r\n\r\n-- sp_table_size \u8868\u5360\u7528\u7684\u78c1\u76d8\u7a7a\u95f4\u5927\u5c0f\u6c47\u603b\r\ndrop procedure if exists sp_table_size;\r\ndelimiter \/\/\r\ncreate procedure sp_table_size(dbname varchar,tbname varchar)\r\nbegin\r\n set @sql=concat('select * from information_schema.cluster_tables a where table_schema=\\''\r\n ,dbname\r\n ,'\\' and table_name=\\''\r\n ,tbname\r\n ,'\\'');\r\n call executeSQL(@sql);\r\nend\r\n\/\/\r\ndelimiter ;\r\n-- call sp_table_size('testdb','t1');\r\n\r\n-- sp_table_segment_size \u8868\u5728\u5404\u6570\u636e\u8282\u70b9\u7684\u5206\u7247\u5360\u7528\u7684\u78c1\u76d8\u7a7a\u95f4\r\ndrop procedure if exists sp_table_segment_size;\r\ndelimiter \/\/\r\ncreate procedure sp_table_segment_size(dbname varchar,tbname varchar)\r\nbegin\r\n set @sql=concat('select SUFFIX,HOST,TABLE_DATA_SIZE,TABLE_STORAGE_SIZE,DATA_PERCENT from information_schema.CLUSTER_TABLE_SEGMENTS a where table_schema=\\''\r\n ,dbname\r\n ,'\\' and table_name=\\''\r\n ,tbname\r\n ,'\\'');\r\n call executeSQL(@sql);\r\nend\r\n\/\/\r\ndelimiter ;\r\n-- call sp_table_segment_size('testdb','t1');\r\n\r\n\r\n-- sp_table_segment_count \u8868\u5728\u5404\u4e2a\u6570\u636e\u8282\u70b9\u5206\u7247\u7684\u6570\u636e\u884c\u6570\r\ndrop procedure if exists sp_table_segment_count;\r\ndelimiter \/\/\r\ncreate procedure sp_table_segment_count(dbname varchar,tbname varchar)\r\nmain:begin\r\n select check_version('9.5.3') into @rtn from dual;\r\n if !@rtn then\r\n select 'this function need 9.5.3 +';\r\n leave main;\r\n end if;\r\n \r\n call executeSQL('set gcluster_segment_id_replace=1');\r\n\r\n set @sql=concat('select segment_id,count(*) from '\r\n ,dbname\r\n ,'.'\r\n ,tbname\r\n ,' group by segment_id');\r\n call executeSQL(@sql);\r\nend\r\n\/\/\r\ndelimiter ;\r\n\r\n-- call sp_table_segment_count('testdb','t1');\r\n\r\n\r-- \u67e5\u770b\u5f53\u524d\u5e93\u7684\u5b58\u50a8\u8fc7\u7a0b\nshow procedure status<\/code><\/pre>\n\n\n\n<\/p>","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u6c47\u603b\u4e86GBase 8a\u5e38\u89c1\u65b9\u4fbf\u8fd0\u7ef4\u7684\u81ea\u5b9a\u4e49\u5b58\u50a8\u8fc7\u7a0b\uff0c\u5305\u62ec\u6574\u4e2a\u96c6\u7fa4\u8fd0\u884c\u7684SQL\uff0c\u8868\u7684\u78c1\u76d8\u7a7a\u95f4\uff0c\u5206\u7247\u7a7a\u95f4\uff0c\u5206\u7247\u884c\u6570\u7b49\u3002\u540e\u7eed\u9010\u6e10\u589e\u52a0\u4e2d\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[28],"class_list":["post-6824","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-28"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=6824"}],"version-history":[{"count":24,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6824\/revisions"}],"predecessor-version":[{"id":6853,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6824\/revisions\/6853"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=6824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=6824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=6824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}