10\u5e74\u524d\u306bOracle\u3067\u4f5c\u6210\u3057\u3066\u4ee5\u6765\u3001\u4e45\u3057\u3076\u308a\u306b\u30c8\u30ea\u30ac\u30fc\u3092\u4f5c\u6210\u3057\u3066\u307f\u305f\u3002
\n\u3057\u304b\u3082\u3001PostgreSQL\u3067\u3002<\/p>\n
\u3044\u308d\u3044\u308d\u3067\u304d\u306a\u304b\u3063\u305f\u3053\u3068\u304c\u3042\u3063\u305f\u306e\u3067\u8abf\u3079\u3066\u307f\u305f\u304c\u3001\u7d50\u5c40\u308f\u304b\u3089\u306a\u3044\u3068\u3053\u308d\u306f\u4ee3\u66ff\u6848\uff08\u8981\u3059\u308b\u306b\u9069\u5f53\uff09\u3067\u4f5c\u3063\u305f\u3002
\n\u30c8\u30ea\u30ac\u30fc\u4f5c\u6210\u306a\u3093\u3066\u3001\u4eca\u5f8c\u3082\u3042\u307e\u308a\u3084\u3089\u306a\u3044\u3060\u308d\u3046\u304b\u3089\u3001\u899a\u66f8\u306f\u7d30\u304b\u304f\u66f8\u3044\u3066\u304a\u304f\u3053\u3068\u306b\u3002<\/p>\n
\u307e\u305a\u3001Function\u3092\u4f5c\u3063\u3066\u304b\u3089Trigger\u3092\u4f5c\u6210\u3002<\/p>\n
\n--------------------------------------------------------\n-- \u8d70\u3089\u305b\u308b\u51e6\u7406\u306f\u3053\u3063\u3061\u306b\u66f8\u304f(\u8a00\u8a9e\u306fplpgsql)\n--------------------------------------------------------\nCREATE OR REPLACE FUNCTION SET_XX_FUNC()\n RETURNS trigger AS $$\n DECLARE\n -- \u5909\u6570\u5b9a\u7fa9 --\n BEGIN\n -- \u51e6\u7406 --\n END;\n$$ LANGUAGE \u2019plpgsql\u2019;\n\n--------------------------------------------------------\n-- {table}\u306b\u8a2d\u5b9a\u3057\u305f\u30c6\u30fc\u30d6\u30eb\u306b\u884c\u304c\u633f\u5165\u3001\u307e\u305f\u306f\u884c\u66f4\u65b0\u3055\u308c\u305f\u5f8c\u306b\u51e6\u7406\u3092\u8d70\u3089\u305b\u308b\n--------------------------------------------------------\nCREATE OR REPLACE TRIGGER SET_XX\n AFTER INSERT OR UPDATE ON {table} FOR EACH ROW\n EXECUTE PROCEDURE SET_XX_FUNC();\n\n<\/pre>\n\u3055\u3066\u3001\u3053\u3053\u307e\u3067\u306f\u826f\u3044\u3002
\n\u3053\u3063\u304b\u3089\u3060\u3002<\/p>\n
\n--------------------------------------------------------\n--\u2605 \u5909\u6570\u306e\u8a2d\u5b9a\n--------------------------------------------------------\nDECLARE item_a int;\nDECLARE item_b int \uff1a=999 ;\nitem_a := 1;\n<\/pre>\n\uff1e\uff1e1\u3064\u76ee\u306f\u5909\u6570\u306e\u307f\u5b9a\u7fa9\u3002
\n\uff1e\uff1e2\u3064\u76ee\u306f\u5909\u6570\u5b9a\u7fa9\u3068\u540c\u6642\u306b\u521d\u671f\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3002
\n\uff1e\uff1e3\u3064\u76ee\u306f\u5b9a\u7fa9\u3057\u305f\u5909\u6570\u306b\u5024\u3092\u5165\u308c\u308b\u65b9\u6cd5\u3002<\/p>\n
\n--------------------------------------------------------\n--\u2605 \u60c5\u5831\u306e\u53d6\u5f97\u65b9\u6cd5\u305d\u306e\uff11\uff08\u666e\u901a\u306eSELECT\u6587\uff09\n--------------------------------------------------------\nDECLARE item_a int;\nDECLARE item_b int;\nDECLARE item_c int;\n-- (\u4e2d\u7565) --\nSELECT a,b,c INTO item_a,item_b,item_c \nFROM {table} WHERE key1=NEW.key1 ;\n<\/pre>\n\uff1e\uff1eSELECT\u6587\u3067\u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u3092\u5909\u6570\u306b\u5165\u308c\u308b\u5834\u5408\u306e\u66f8\u304d\u65b9\u306f\u3053\u3093\u306a\u611f\u3058\u3002
\n\u3000\u3000SELECT a INTO item_a, b INTO item_b … \u3063\u3066\u306a\u66f8\u304d\u65b9\u306fNG\u3002
\n\uff1e\uff1e\u30c8\u30ea\u30ac\u30fc\u3067\u66f4\u65b0\u30fb\u633f\u5165\u3057\u305f\u30c7\u30fc\u30bf\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306f\u3001NEW.{\u30ab\u30e9\u30e0\u540d}\u3067\u3002<\/p>\n
\n--------------------------------------------------------\n--\u2605 \u60c5\u5831\u306e\u53d6\u5f97\u65b9\u6cd5\u305d\u306e\uff12\uff08Execute\u3092\u5229\u7528\u3057\u305fSELECT\u6587\uff09\n--------------------------------------------------------\nDECLARE add_months text = \u20192months\u2019;\nDECLARE next_kigen text = \u2019\u2019;\n-- (\u4e2d\u7565) --\nEXECUTE \u2019SELECT TO_CHAR(\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000DATE_TRUNC(\u2019\u2019month\u2019\u2019\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000, CURRENT_TIMESTAMP \n\t || \u2019 + interval \u2019 || quote_literal(add_months) || \u2019)\u2019 \n\t || \u2019 + interval \u2019\u2019-1days\u2019\u2019,\u2019\u2019YYYYMMDD\u2019\u2019)\u2019\n INTO next_kigen; \n<\/pre>\n\uff1e\uff1e\u666e\u901a\u306eSELECT\u6587\u3067\u306f\u3069\u3046\u3057\u3066\u3082\u7121\u7406\u306a\u3082\u306e\u306f\u3001\u6587\u5b57\u5217\u306eSELECT\u6587\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u3002
\n\u3000\u3000\u4e0a\u306e\u4f8b\u306f\u3001\u73fe\u5728\u65e5\u6642\u304b\u3089\u7fcc\u6708\u672b\u306e\u65e5\u4ed8(+2\u30f6\u6708-1\u65e5)\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3002
\n\u3000\u3000add_months\u304c\u3053\u308d\u3053\u308d\u5909\u308f\u308b\u5834\u5408\uff083\u304b\u6708\u5f8c\u30014\u304b\u6708\u5f8c\u3068\uff09\u3001\u666e\u901a\u306eSELECT\u6587\u3067\u306f\u3069\u3046\u3057\u3066\u3082\u3067\u304d\u306a\u304b\u3063\u305f\u3002
\n\u3000\u3000\u3042\u3068\u306f\u3001\u30b5\u30d6\u30af\u30a8\u30ea\u2015\u3092\u4f7f\u3046\u5834\u5408\u3082SELECT\u6587\u3067\u306f\u66f8\u3051\u306a\u3044\u3068\u601d\u3063\u3066\u304a\u3044\u305f\u307b\u3046\u304c\u3088\u3044\u3002
\n\u3000\u3000\uff08\u30c6\u30fc\u30d6\u30eb\u5225\u540d\uff1d\u30a8\u30a4\u30ea\u30a2\u30b9\u304c\u4f7f\u3048\u306a\u3044\u306e\u3067\u3002\uff09
\n\u3000\u3000\u306a\u306e\u3067\u3001\u6587\u5b57\u5217\u3092\u751f\u6210\u3057\u3066
\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000EXECUTE \u6587\u5b57\u5217 INTO \u5909\u6570\u540d;
\n\u3000\u3000\u3067\u691c\u7d22\u7d50\u679c\u3092INTO\u306e\u5f8c\u308d\u306e\u5909\u6570\u306b\u683c\u7d0d\u3055\u305b\u308b\u3002
\n\u3000\u3000\u6587\u5b57\u5217\u5185\u306e\u30b7\u30f3\u30b0\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u306f\u2019\u2019\u3068\u30012\u9023\u7d9a\u306b\u3059\u308b\u3053\u3068\u3002
\n\uff1e\uff1equote_literal\u95a2\u6570\u306f\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u304c\u3001\u5909\u6570\u306e\u578b\u306b\u3042\u3063\u305fquate\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u601d\u3046\u3002
\n\u3000\u3000\u6587\u5b57\u5217\u306e\u9593\u3067\u5909\u6570\u3092\u4f7f\u3044\u305f\u3044\u3068\u304d\u306f\u3001\u5fc5\u305a\u3053\u306e\u95a2\u6570\u3092\u4f7f\u3046\u3002\uff08\u4f7f\u308f\u3093\u304b\u3063\u305f\u3089\u52d5\u304b\u3093\u304b\u3063\u305f\u3057\uff09
\n\u3000\u3000\u3061\u306a\u307f\u306b\u3001DATE_TRUNC(‘month’,{date_type})\u306f\u6708\u521d\u3092\u6c42\u3081\u308b\u3068\u304d\u306e\u95a2\u6570\u3002<\/p>\n
\n--------------------------------------------------------\n--\u2605 \u66f4\u65b0\u5f8c\u306e{item1}\u304c0\u4ee5\u4e0b\u306a\u3089\u51e6\u7406\u3092\u3084\u3081\u308b\uff08\u6761\u4ef6\u6587\u306e\u4f8b\uff09\n--------------------------------------------------------\nIF NEW.{item1} <= 0 THEN\n\u3000\u3000RETURN NEW;\nEND IF;\n<\/pre>\n\uff1e\uff1e\u9014\u4e2d\u3067\u51e6\u7406\u3092\u629c\u3051\u308b\u51e6\u7406\u306e\u66f8\u304d\u65b9\u304c\u30a4\u30de\u30a4\u30c1\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305aRETURN NEW\u3057\u3066\u308b\u3002
\n\u3000\u3000\uff08\u6b63\u3057\u3044\u65b9\u6cd5\u3092\u6559\u3048\u3066\uff01\uff01\uff09<\/p>\n
\n--------------------------------------------------------\n--\u2605 \u691c\u7d22\u7d50\u679c\u304c\u306a\u3044\u3068\u304d\u306e\u5224\u5b9a\n--------------------------------------------------------\nIF NOT FOUND THEN\n\u3000\u3000RETURN NEW;\nEND IF;\n\n<\/pre>\n\uff1e\uff1e\u306a\u306e\u3060\u304c\u3001\u3053\u308c\u3063\u3066\u30ab\u30fc\u30bd\u30eb\u51e6\u7406\u3084FOR\u6587\u3067\u3057\u304b\u4f5c\u52d5\u3057\u306a\u3044\u3088\u3046\u306b\u601d\u3046\u3002<\/p>\n
——————————————————–
\n–\u2605 OLD\u3068NEW
\n——————————————————–
\nOLD\u306f\u66f4\u65b0\u524d\u306e\u30ec\u30b3\u30fc\u30c9\u3067\u3001NEW\u306f\u66f4\u65b0\u5f8c\u306e\u30ec\u30b3\u30fc\u30c9\u3002
\nNEW.{\u30ab\u30e9\u30e0\u540d} \u3068\u3044\u3046\u611f\u3058\u3067\u4f7f\u3046\u3002
\n\u306a\u306e\u3067\u3001DELETE\u306e\u30c8\u30ea\u30ac\u30fc\u306e\u5834\u5408\u306fOLD\u3057\u304b\u306a\u3044\u3057\u3001INSERT\u306e\u5834\u5408\u306fNEW\u3057\u304b\u306a\u3044\u3002
\n\u4eca\u56de\u306f\u3001AFTER INSERT OR UPDATE \uff5e\u3064\u307e\u308a\u66f4\u65b0\u30fb\u633f\u5165\u5f8c\u306b\u884c\u3046\uff5e\u306e\u51e6\u7406\u306a\u306e\u3067\u3001NEW\u3057\u304b\u4f7f\u3063\u3066\u3044\u306a\u3044\u3002<\/p>\n
\u8870\u3048\u305f\u8133\u307f\u305d\u3092\u30d5\u30eb\u6d3b\u7528\u3055\u305b\u30661\u65e5\u304c\u304b\u308a\u3067\u4f5c\u3063\u305f\u306e\u3060\u304c\u3001\u3046\u307e\u304f\u52d5\u304b\u306a\u304b\u3063\u305f\u3000\u30fb\u30fb\u30fb\u30fb<\/p>\n
\u3067\u3001\u30c7\u30d0\u30c3\u30b0\u3002
\n\u672c\u5f53\u306f\u30ed\u30b0\u51fa\u529b\u3057\u3066\u7d4c\u904e\u3092\u307f\u305f\u304b\u3063\u305f\u306e\u3060\u3051\u308c\u3069\u3001\u30ed\u30b0\u51fa\u529b\u306e\u4ed5\u65b9\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u3057\u3001\u30c6\u30b9\u30c8\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u3067\u7570\u306a\u308b\u8a2d\u5b9a\u3092\u3057\u3066\u3082\u306a\u3041\u30fb\u30fb\u30fb\u3068\u601d\u3063\u3066\u3001\u52d5\u4f5c\u9014\u4e2d\u3067\u5f37\u5236\u30a8\u30e9\u30fc\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u306b\u3057\u305f\u3002<\/p>\n
\n--------------------------------------------------------\n--\u2605 RAISE EXCEPTION\uff08\u5f37\u5236\u7684\u306b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\uff09\n--------------------------------------------------------\nDECLARE add_months text = \u20192months\u2019;\n-- (\u4e2d\u7565) \nRAISE EXCEPTION '% \u3053\u3053\u307e\u3067\u7d42\u308f\u3063\u305f\u305c', add_months;\n<\/pre>\n\uff1e\uff1e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u300c2months \u3053\u3053\u307e\u3067\u7d42\u308f\u3063\u305f\u305c\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u3002
\n\u3000\u3000\uff08%\u306f\u53ef\u5909\u5024\u3067\u30012\u3064\u76ee\u4ee5\u964d\u306e\u5f15\u6570\u3067\u8a2d\u5b9a\u3059\u308b\u3002C\u3068\u304b\u306e%d\u3068\u304b\u3068\u540c\u3058\uff09
\n\u3000\u3000\u306a\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u3001\u3053\u3053\u307e\u3067\u306f\u8d70\u3063\u3066\u308b\u3088\u306a\u3041\u30fb\u30fb\u30fb\u3068\u3044\u3046\u3053\u3068\u3067\u3001
\n\u3000\u3000\u6b21\u306f\u3053\u306e\u4f8b\u5916\u767a\u751f\u51e6\u7406\u3092\u5f8c\u308d\u306b\u79fb\u52d5\u3055\u305b\u3066\u304b\u3089\u5b9f\u884c\u3059\u308b\u3002
\n\u3000\u3000\u3053\u308c\u3092\u4f55\u5ea6\u304b\u7e70\u308a\u8fd4\u3057\u3066\u3001\u306a\u3093\u3068\u304b\u601d\u3044\u901a\u308a\u306b\u52d5\u4f5c\u3059\u308b\u3068\u3053\u308d\u307e\u3067\u884c\u3063\u305f\u3002<\/p>\n
\u3068\u308a\u3042\u3048\u305a\u3001\u76f4\u8fd1\u3067\u5fc5\u8981\u306a\u60c5\u5831\u306f\u3053\u3093\u306a\u3068\u3053\u308d\u3002
\n\u4eca\u56de\u306f\u30ab\u30fc\u30bd\u30eb\u3068\u304b\u306f\u4f7f\u308f\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u4f7f\u3046\u3068\u304d\u306f\u307e\u305f\u8ffd\u8a18\u306a\u308a\u6295\u7a3f\u306a\u308a\u3057\u3088\u3046\u3068\u601d\u3046\u3002
\nEXECUTE\u3068\u304b\u306e\u4f7f\u3044\u65b9\u304c\u96e3\u3057\u3044\u3057\u3001\u9762\u5012\u3060\u3063\u305f\u3002<\/p>\n
\u307e\u3041\u3001\u3053\u3093\u3060\u3051\u66f8\u3044\u3066\u304a\u3051\u3070\u3001\u6b21\u56de\u306f\u3055\u307b\u3069\u30aa\u30ed\u30aa\u30ed\u3059\u308b\u3053\u3068\u3082\u306a\u3044\u3060\u308d\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
10\u5e74\u524d\u306bOracle\u3067\u4f5c\u6210\u3057\u3066\u4ee5\u6765\u3001\u4e45\u3057\u3076\u308a\u306b\u30c8\u30ea\u30ac\u30fc\u3092\u4f5c\u6210\u3057\u3066\u307f\u305f\u3002 \u3057\u304b\u3082\u3001PostgreSQL\u3067\u3002 \u3044\u308d\u3044\u308d\u3067\u304d\u306a\u304b\u3063\u305f\u3053\u3068\u304c\u3042\u3063\u305f\u306e\u3067\u8abf\u3079\u3066\u307f\u305f\u304c\u3001\u7d50\u5c40\u308f\u304b\u3089\u306a\u3044\u3068\u3053\u308d\u306f\u4ee3\u66ff\u6848\uff08\u8981\u3059\u308b\u306b\u9069\u5f53\uff09\u3067\u4f5c\u3063\u305f\u3002 \u30c8\u30ea\u30ac […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[66,186],"class_list":["post-1917","post","type-post","status-publish","format-standard","hentry","category-sql","tag-postgresql","tag-postresql"],"_links":{"self":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts\/1917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1917"}],"version-history":[{"count":1,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts\/1917\/revisions"}],"predecessor-version":[{"id":2730,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts\/1917\/revisions\/2730"}],"wp:attachment":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1917"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}