\u8fd9\u662f\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u6211\u8981\u5bf9\u4e00\u4e2a\u6570\u636e\u5e93\u8868\u7684\u6570\u636e\u521b\u5efa\u4e00\u4e2a\u7edf\u8ba1\u7f13\u5b58\uff0c\u8fd9\u4e2a\u7edf\u8ba1\u7f13\u5b58\u7531\u4e8e\u6570\u636e\u91cf\u8f83\u5927\uff0c\u6211\u91c7\u7528\u4e86\u6309\u5e74\u5206\u5e03\u8868\u7684\u65b9\u5f0f\u3002\u9996\u5148\u8bbe\u8ba1\u4e86\u57fa\u8868\uff0c\u6240\u6709\u7684\u6570\u636e\u5206\u533a\u90fd\u662f\u57fa\u4e8e\u8fd9\u4e2a\u57fa\u8868\u7ee7\u627f\u800c\u6765\u3002\u4e3a\u4e86\u65b9\u4fbf\u5206\u533a\u548c\u7ef4\u62a4\uff0c\u6211\u4e13\u95e8\u5199\u4e86\u4e00\u4e2a\u51fd\u6570\u6765\u521b\u5efa\u5206\u533a\u5b50\u8868\u3002<\/p>\n
create or replace function stat_partition(stat_year integer)\r\nreturns void\r\nas\r\n$BODY$\r\ndeclare \r\n sql character varying;\r\n tablename character varying;\r\n tblyear character varying;\r\n i integer;\r\n cur cursor for select p.relname from pg_inherits i,pg_class p where i.inhparent=(select oid from pg_class where relname='base_stat') and p.oid=i.inhrelid order by p.relname;\r\nbegin\r\ntablename='stat_'||cast(stat_year as character varying);\r\n--\u521b\u5efa\u8868\r\nsql='create table '||tablename||\r\n ' (constraint pk_'||tablename||' primary key (id),'||\r\n ' constraint chk_'||tablename||' check ((from_date>='''||cast(stat_year as character varying)||'-1-1''::date) and (to_date<='''||cast(stat_year+1 as character varying)||'-1-1''::date)))'||\r\n ' inherits (base_stat);';\r\nexecute sql;\r\n--\u8868\u6ce8\u91ca\r\nsql='comment on table '||tablename|| ' is '''||cast(stat_year as character varying)||' \u5e74\u7edf\u8ba1\u7ed3\u679c\u6c47\u603b\u7f13\u5b58\u8868'';';\r\nexecute sql;\r\n-- \u8868\u7d22\u5f15\r\n-- areacode\r\nsql='create index idx_'||tablename||'_areacode on '||tablename||' (areacode);';\r\nexecute sql;\r\n-- from_age\r\nsql='create index idx_'||tablename||'_from_age on '||tablename||' (from_age);';\r\nexecute sql;\r\n-- to_age\r\nsql='create index idx_'||tablename||'_to_age on '||tablename||' (to_age);';\r\nexecute sql;\r\n-- from_date\r\nsql='create index idx_'||tablename||'_from_date on '||tablename||' (from_date);';\r\nexecute sql;\r\n-- to_date\r\nsql='create index idx_'||tablename||'_to_date on '||tablename||' (to_date);';\r\nexecute sql;\r\n-- illcode\r\nsql='create index idx_'||tablename||'_to_illcode on '||tablename||' (illcode);';\r\nexecute sql;\r\n-- \u521b\u5efa\u89e6\u53d1\u5668\u51fd\u6570\r\nsql='create or replace function tgr_base_stat() returns trigger as $$ '||chr(10)||'begin'||chr(10);\r\nopen cur;\r\nfetch cur into tablename;\r\ni=0;\r\nwhile found loop\r\n tblyear=right(tablename,4);\r\n if i=0 then\r\n sql=sql||'if New.from_date>='''||tblyear||'-1-1'' and New.to_date<='''||cast(cast(tblyear as integer)+1 as character varying)||'-1-1'' then '||chr(10)||\r\n\t'insert into '||tablename||' values (New.*);'||chr(10);\r\n else\r\n sql=sql||'elsif New.from_date>='''||tblyear||'-1-1'' and New.to_date<='''||cast(cast(tblyear as integer)+1 as character varying)||'-1-1'' then '||chr(10)||\r\n\t'insert into '||tablename||' values (New.*);'||chr(10);\r\n end if;\r\n i=i+1;\r\n fetch cur into tablename;\r\nend loop;\r\nclose cur;\r\nsql=sql||'else '||chr(10)||' raise exception ''\u6307\u5b9a\u7684\u8bb0\u5f55\u65e0\u6cd5\u81ea\u52a8\u63d2\u5165\u4efb\u4f55\u4e00\u4e2a\u5206\u533a\uff0c\u8bf7\u68c0\u67e5\u6570\u636e\u6216\u8c03\u7528stat_partition(%)\u5efa\u7acb\u65b0\u7684\u5206\u533a\u3002'',extract(year from New.from_date);'\r\n ||chr(10)||'end if;'||chr(10)||'return NULL;'||chr(10)|| 'end; $$ language plpgsql;'; \r\nexecute sql; \r\nif not exists (select * from pg_trigger where tgname='stat_insert_redirect') then\r\n begin\r\n sql='create trigger stat_insert_redirect before insert on base_stat for each row execute procedure tgr_base_stat();';\r\n execute sql; \r\n end;\r\n end if;\r\nend; \r\n$BODY$ language plpgsql;<\/pre>\n\u51fd\u6570\u4e3b\u8981\u505a\u4e86\u4ee5\u4e0b\u4e8b\u60c5\uff1a<\/p>\n
\uff081\uff09\u7528 create or replace \u800c\u4e0d\u662f create \u65b9\u4fbf\u5728\u51fd\u6570\u5df2\u7ecf\u5b58\u5728\u7684\u65f6\u5019\uff0c\u76f4\u63a5\u66ff\u6362\uff0c\u8fd9\u5c31\u76f8\u6bd4MSSQL\u65b9\u4fbf\u591a\u4e86\u3002<\/p>\n
\uff082\uff09\u58f0\u660e\u4e86\u4e00\u4e2a\u6e38\u6807\u6765\u83b7\u53d6\u4ecebase_stat\u8868\u7ee7\u627f\u4e0b\u6765\u7684\u6240\u6709\u5b50\u8868\uff0c\u4ee5\u4fbf\u81ea\u52a8\u66f4\u65b0\u89e6\u53d1\u5668\u89e6\u53d1\u65f6\u8981\u6267\u884c\u7684\u51fd\u6570\u3002<\/p>\n
\uff083\uff09\u9996\u5148\u4ece\u7236\u8868\u7ee7\u627f\u521b\u5efa\u4e86\u5b50\u8868\uff0c\u5e76\u81ea\u52a8\u521b\u5efa\u4e86\u4e3b\u952e\u548c\u68c0\u67e5\u7ea6\u675f\uff0c\u4ee5\u4fbf\u8fdb\u884c\u6570\u636e\u5206\u533a\u3002<\/p>\n
\uff084\uff09\u63a5\u4e0b\u6765\u662f\u4e3a\u8868\u52a0\u5165\u6ce8\u91ca\uff0c\u5e76\u4e14\u81ea\u52a8\u6dfb\u52a0\u9700\u8981\u7684\u7d22\u5f15\u3002<\/p>\n
\uff085\uff09\u66f4\u65b0\u89e6\u53d1\u5668\u51fd\u6570\uff0c\u4ee5\u4fbf\u5728\u63d2\u5165\u6570\u636e\u65f6\u81ea\u52a8\u8fdb\u5165\u65b0\u7684\u5206\u533a\u3002<\/p>\n
\uff086\uff09\u5982\u679c\u6307\u5b9a\u7684\u89e6\u53d1\u5668\uff0c\u5219\u521b\u5efa\u89e6\u53d1\u5668\uff0c\u4ee5\u4fbf\u5efa\u7acb\u89e6\u53d1\u5668\u4e0e\u6267\u884c\u51fd\u6570\u4e4b\u95f4\u7684\u5173\u8054\u3002<\/p>\n
\u5177\u4f53\u7684\u6b65\u9aa4\u5c31\u4e0d\u5728\u5206\u6790\uff0c\u770b\u5f97\u61c2\u7684\u81ea\u7136\u770b\u660e\u767d\u4e86\uff0c\u770b\u4e0d\u61c2\u4e86\uff0c\u8fd8\u662f\u8be5\u5e72\u561b\u5e72\u561b\u5427\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u662f\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u6211\u8981\u5bf9\u4e00\u4e2a\u6570\u636e\u5e93\u8868\u7684\u6570\u636e\u521b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4,21],"tags":[210,248,247],"class_list":["post-1527","post","type-post","status-publish","format-standard","hentry","category-pgsql","category-misc","tag-210","tag-248","tag-247"],"views":2997,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/1527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1527"}],"version-history":[{"count":1,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/1527\/revisions"}],"predecessor-version":[{"id":1528,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/1527\/revisions\/1528"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}