<\/span><\/h3>\n\n\n\n\u9ed8\u8ba4\u53ea\u67e5\u8be2Express\u5f15\u64ce\u7684\u8868\uff0c\u5bf9\u6027\u80fd\u5f71\u54cd\u5c0f\uff0c\u7701\u53bb\u4e86\u76ee\u5f55\u626b\u63cf\u90e8\u5206\u7684\u5f00\u9500\uff0c\u5176SQL\u8bed\u53e5\u5982\u4e0b<\/p>\n\n\n\n
select tbname table_name,isreplicate \nfrom gbase.table_distribution b \nwhere b.dbname=DB and tbname like TBL order by tbname ;<\/code><\/pre>\n\n\n\n\u5982\u679c\u8981\u67e5\u8be2\u5f53\u524d\u8282\u70b9\u6240\u6709\u7684\u8868\uff0c\u5219\u4f7f\u7528\u4e0b\u9762\u7684SQL,\u6ce8\u610finformation_schema.tables\uff0c\u5176like\u64cd\u4f5c\u5c06\u505a\u6574\u4e2a\u76ee\u5f55\u7684\u626b\u63cf\uff0c\u5982\u679c\u8868\u7279\u522b\u591a\uff0c\u8017\u65f6\u957f\uff0c\u8d44\u6e90\u5f71\u54cd\u9ad8\uff0c\u975e\u7279\u6b8a\u573a\u666f\u4e0d\u5efa\u8bae\u4f7f\u7528\u3002<\/p>\n\n\n\n
select table_name,isreplicate \nfrom information_schema.tables a\nleft join gbase.table_distribution b on b.tbname=a.table_name\nwhere table_schema=DB and table_name like TBL\norder by table_name;<\/code><\/pre>\n\n\n\n<\/span>\u8fd4\u56de\u7ed3\u679c<\/span><\/h3>\n\n\n\n\u8be5\u5b58\u50a8\u8fc7\u7a0b\u6700\u540e\u8fd4\u56de\u65f6\uff0c\u53ef\u4ee5\u81ea\u884c\u6307\u5b9a\u6392\u5e8f\uff0c\u9ed8\u8ba4\u662f\u4e2d\u95f4\u8868\u7684\u8868\u540d\u5b57\u3002<\/p>\n\n\n\n
select * from COUNT_TABLE;<\/code><\/pre>\n\n\n\n\u8be5\u8868\u4e3a\u4e34\u65f6\u6bd4\u8868\uff0c\u6267\u884c\u5b8c\u5b58\u50a8\u8fc7\u7a0b\u540e\uff0c\u53ef\u4ee5\u91cd\u590d\u67e5\u8be2\uff0c\u6bd4\u5982<\/p>\n\n\n\n
select * from COUNT_TABLE order by countValue desc;<\/code><\/pre>\n\n\n\n<\/span>\u5b8c\u6574\u5b58\u50a8\u8fc7\u7a0b<\/span><\/h3>\n\n\n\n-- \u8c03\u7528information\u7684table,\u6bd4\u8f83\u65b9\u4fbf\uff0c\u4f46\u6027\u80fd\u4e0d\u597d \n-- \u81ea\u5df1\u6bcf\u4e2a\u8868count,\u6027\u80fd\u4e5f\u4e0d\u597d\uff0c\u5fc5\u987b\u591a\u4e2a\u8868count union\u5728\u4e00\u8d77\u624d\u53ef\u4ee5\u3002\n-- \u8c03\u7528\u6837\u4f8b\u5982\u4e0b\uff0c\u53c2\u6570\u4e3adb\u7684\u540d\u5b57\n-- call countDB('dap_model');\n-- call countDB('dap_model.asc%');\n\ndelimiter ;\ndrop procedure if exists countDB;\nDELIMITER \/\/\n\nCREATE DEFINER=\"root\"@\"%\" PROCEDURE \"countDB\"(\n in dbname varchar(64)\n )\nBEGIN\n DECLARE TBL varchar(64);\n DECLARE DB varchar(64);\n DECLARE idx int;\n\n select instr(dbname,'.') into idx;\n if idx > 0 then\n set DB=substr(dbname,0,instr(dbname,'.')-1);\n set TBL=substr(dbname,instr(dbname,'.')+1,length(dbname));\n else\n set DB=dbname;\n set TBL='%';\n end if;\n call _countDB(DB,TBL);\nEND \/\/\n\nDELIMITER ;\n\ndrop procedure if exists _countDB;\nDELIMITER \/\/\n\nCREATE DEFINER=\"root\"@\"%\" PROCEDURE \"_countDB\"(\n in DB varchar(64),\n in TBL varchar(64)\n )\nBEGIN\n\n DECLARE tableName varchar(64);\n DECLARE isReplicate varchar(64);\n DECLARE SQL_TMP varchar(21000);\n DECLARE done INT DEFAULT 0;\n DECLARE CUR_PM_POINFO CURSOR FOR\n select tbname table_name,isreplicate from gbase.table_distribution b where b.dbname=DB and tbname like TBL order by tbname ;<\/span>\n DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;\n\n drop temporary table if exists COUNT_TABLE; \n create temporary table COUNT_TABLE(\n tableName varchar(64),\n isReplicate varchar(64),\n countValue bigint\n );\n\n OPEN CUR_PM_POINFO;\n FETCH CUR_PM_POINFO INTO tableName, isReplicate;\n set SQL_TMP='';\n while ( done = 0 ) do\n-- select tableName,isReplicate;\n if(SQL_TMP='')then\n set SQL_TMP=concat('select ''',tableName,''',''',nvl(isReplicate,'NO'),''',count(*) from ',DB,'.',tableName);\n else\n set SQL_TMP=concat(SQL_TMP,' \\nunion all select ''',tableName,''',''',nvl(isReplicate,'NO'),''',count(*) from ',DB,'.',tableName);\n end if;\n if(length(SQL_TMP)>=3000) then\n set SQL_TMP=concat('insert into COUNT_TABLE select * from (',SQL_TMP,')a');\n set @sql = SQL_TMP;\n PREPARE s1 FROM @sql;\n EXECUTE s1;\n DEALLOCATE PREPARE s1;\n set SQL_TMP='';\n end if;\n FETCH CUR_PM_POINFO INTO tableName, isReplicate; \n end while;\n if(SQL_TMP <> '') then\n set SQL_TMP=concat('insert into COUNT_TABLE select * from (',SQL_TMP,')a');\n set @sql = SQL_TMP;\n-- select @sql;\n PREPARE s1 FROM @sql;\n EXECUTE s1;\n DEALLOCATE PREPARE s1;\n set SQL_TMP='';\n end if;\n select * from COUNT_TABLE;\n-- drop temporary table COUNT_TABLE; \nEND \/\/\ndelimiter ;<\/code><\/pre>\n\n\n\n<\/span>\u6267\u884c\u6837\u4f8b<\/span><\/h2>\n\n\n\n<\/span>\u67e5\u8be2\u67d0\u4e2a\u5e93\u4e0b\u7684\u6240\u6709\u8868\u7684\u884c\u6570<\/span><\/h3>\n\n\n\n\u518d\u6b21\u8b66\u544a\uff1a\u5982\u679c\u7b26\u5408\u6761\u4ef6\u7684\u8868\u975e\u5e38\u591a\uff0c\u5219\u67e5\u8be2\u65f6\u95f4\u957f\uff0c\u4e14\u7cfb\u7edf\u8d44\u6e90\u5360\u7528\u4e5f\u957f\u3002<\/p>\n\n\n\n
gbase> call countdb('testdb');\n+-----------+-------------+------------+\n| tableName | isReplicate | countValue |\n+-----------+-------------+------------+\n| d1 | NO | 1000001 |\n| t1 | NO | 14 |\n| t2 | NO | 1 |\n| t3 | NO | 1 |\n| t4 | NO | 3 |\n| test20c | NO | 1000001 |\n| test20c_e | NO | 1000000 |\n+-----------+-------------+------------+\n7 rows in set (Elapsed: 00:00:00.41)\n\ngbase> call countdb('gclusterdb');\n+----------------------+-------------+------------+\n| tableName | isReplicate | countValue |\n+----------------------+-------------+------------+\n| dual | NO | 1 |\n| gcs_1694629898_140_7 | NO | 0 |\n| nodedatamap | NO | 65536 |\n| rebalancing_status | NO | 0 |\n+----------------------+-------------+------------+\n4 rows in set (Elapsed: 00:00:00.32)\n\nQuery OK, 0 rows affected (Elapsed: 00:00:00.32)\n<\/code><\/pre>\n\n\n\n<\/span>\u7edf\u8ba1\u67d0\u4e2a\u5e93\u4e0b\uff0c\u5339\u914d\u7684\u8868\u884c\u6570<\/span><\/h3>\n\n\n\n\u5339\u914d\u7684\u65b9\u5f0f\u548clike\u76f8\u540c\uff0c\u5e93\u540d\u548c\u8868\u540d\u95f4\u7528\u70b9\u5206\u5272\uff0c\u5177\u4f53\u7b97\u6cd5\u770bcountDB\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n
gbase> call countdb('testdb.t%');\n+-----------+-------------+------------+\n| tableName | isReplicate | countValue |\n+-----------+-------------+------------+\n| t1 | NO | 14 |\n| t2 | NO | 1 |\n| t3 | NO | 1 |\n| t4 | NO | 3 |\n| test20c | NO | 1000001 |\n| test20c_e | NO | 1000000 |\n+-----------+-------------+------------+\n6 rows in set (Elapsed: 00:00:00.38)\n\nQuery OK, 0 rows affected (Elapsed: 00:00:00.38)\n\ngbase> call countdb('testdb.%20%');\n+-----------+-------------+------------+\n| tableName | isReplicate | countValue |\n+-----------+-------------+------------+\n| test20c | NO | 1000001 |\n| test20c_e | NO | 1000000 |\n+-----------+-------------+------------+\n2 rows in set (Elapsed: 00:00:00.30)\n\nQuery OK, 0 rows affected (Elapsed: 00:00:00.30)\n<\/code><\/pre>","protected":false},"excerpt":{"rendered":"\u5357\u5927\u901a\u7528GBase\u7684\u6bcf\u5f20\u8868\uff0c\u53ef\u4ee5\u901a\u8fc7count\u6765\u7edf\u8ba1\u884c\u6570\uff0c\u672c\u6587\u63d0\u4f9b\u4e86\u4e00\u4e2a\u81ea\u5b9a\u4e49\u5b58\u50a8\u8fc7\u7a0b\u6765\u7edf\u8ba1\u7b26\u5408\u6761\u4ef6\u7684\u4e00\u6279\u8868\u7684\u884c\u6570\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":[],"class_list":["post-7853","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7853","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=7853"}],"version-history":[{"count":8,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7853\/revisions"}],"predecessor-version":[{"id":7865,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7853\/revisions\/7865"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=7853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=7853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=7853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}