{"id":1301,"date":"2019-06-24T13:45:30","date_gmt":"2019-06-24T05:45:30","guid":{"rendered":"http:\/\/www.hefeiyu.com\/?p=1301"},"modified":"2019-06-24T13:45:30","modified_gmt":"2019-06-24T05:45:30","slug":"%e7%a8%8b%e5%ba%8f%e4%bc%98%e5%8c%96%ef%bc%88%e4%bb%a5tiptop%e4%b8%ba%e4%be%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.hefeiyu.com\/?p=1301","title":{"rendered":"\u7a0b\u5e8f\u4f18\u5316\uff08\u4ee5tiptop\u4e3a\u4f8b\uff09"},"content":{"rendered":"

1 \u7a0b\u5f0f\u4f18\u5316\u6982\u89c8<\/p>\n

1.1 \u6982\u89c8
\n1.1.1 \u5f71\u54cd\u6548\u7387\u539f\u56e0
\n\u6570\u636e\u91cf\u5927
\n\u4f7f\u7528\u7684FOREACH \u67b6\u6784\u5185\u90e8\u7684\u5904\u7406\u903b\u8f91\u592a\u591a<\/p>\n

1.1.2 \u4f18\u5316\u601d\u8def
\n\u5c3d\u91cf\u51cf\u5c11\u7a0b\u5e8f\u8fdb\u51fa\u6570\u636e\u5e93\u7684\u6b21\u6570 \uff1a\u5373\u6574\u5408\u591a\u4e2a SQL\u5230\u4e00\u4e2aSQL\u4e2d
\n\u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528FOREACH\u67b6\u6784
\n\u4f7f\u7528\u7d22\u5f15\uff0c\u63d0\u9ad8SQL \u6267\u884c\u6548\u7387<\/p>\n

1.2 \u4e34\u65f6\u8868
\n1.2.1 \u4e34\u65f6\u8868 \u2013\u5efa\u7acb
\n\u4e00\u822c\u628a\u9700\u8981\u5efa\u7acb\u7684\u6240\u6709\u4e34\u65f6\u8868\u7684\u4ee3\u7801\u5199\u5230\u4e00\u4e2a\u51fd\u6570\u4e2d
\n\u4e34\u65f6\u8868\u5982\u679c\u6570\u636e\u91cf\u5927\u4e5f\u9700\u8981\u5efa\u7acb\u7d22\u5f15
\nBEGIN WORK \u4e4b\u524d\u8c03\u7528\u5efa\u7acb\u4e34\u65f6\u8868\u7684\u51fd\u6570
\n\u65b9\u6cd5\u4e00
\nCREATE TEMP TALBE r111_tmp(
\ntlf01 varchar(40),
\ntlf02 number(5))
\n\u65b9\u6cd5\u4e8c
\nCREATE TEMP TALBE r111_tmp(
\ntlf01 LIKE tlf_file.tlf01,
\ntlf02 LIKE tlf_file.tlf02)
\n\u65b9\u6cd5\u4e09
\nSELECT tlf01,tlf02 FROM tlf_file WHERE 1=2
\nINTO TEMP r111_tmp<\/p>\n

1.2.2 \u4e34\u65f6\u8868 \u2013\u6e05\u7a7a
\n\u4e00\u822c\u628a\u9700\u8981\u6e05\u7a7a\u7684\u6240\u6709\u4e34\u65f6\u8868\u7684\u4ee3\u7801\u5199\u5230\u4e00\u4e2a\u51fd\u6570\u4e2d
\n\u5199\u5165\u6570\u636e\u4e4b\u524d\u8c03\u7528\u6e05\u7a7a\u4e34\u65f6\u8868\u7684\u51fd\u6570
\n\u8bed\u6cd5\uff1a
\nTRUNCATE TABLE [ { database_name .[ schema_name ] . | schema_name . } ] table_name [ ; ]
\n\u7528\u9014\uff1a
\nDELETE \u8bed\u53e5\u6bcf\u6b21\u5220\u9664\u4e00\u884c\uff0c\u5e76\u5728\u4e8b\u52a1\u65e5\u5fd7\u4e2d\u4e3a\u6240\u5220\u9664\u7684\u6bcf\u884c\u8bb0\u5f55\u4e00\u4e2a\u9879\u3002TRUNCATE
\nTABLE \u901a\u8fc7\u91ca\u653e\u7528\u4e8e\u5b58\u50a8\u8868\u6570\u636e\u7684\u6570\u636e\u9875\u6765\u5220\u9664\u6570\u636e\uff0c\u5e76\u4e14\u5728\u4e8b\u52a1\u65e5\u5fd7\u4e2d\u53ea\u8bb0\u5f55\u9875\u91ca\u653e\u3002<\/p>\n

1.2.3 \u4e34\u65f6\u8868 \u2013\u67e5\u770b
\n#\u4f8b\u5982\u5728\u7a0b\u5f0f\u4e2d\u65b0\u5efa\u4e86\u4e00\u5f20\u4e34\u65f6\u8868:INB_tmp
\n\u4f7f\u7528TOAD \u6216\u8005PL\/SQL\u8fde\u5165sys(sys\u7684\u521d\u59cb\u5bc6\u7801\u4e3a sys),\u7136\u540e\u8fd0\u884c\u4ee5\u4e0b\u7684SQL\uff08\u6ce8\u610f\u8868\u540d\u8981\u5927\u5199\uff09
\nselect * from dba_objects where object_name LIKE ‘TT%INB_TMP’
\n#\u5f97\u5230\u7ed3\u679c\u5982\u4e0b\uff1a
\n
\n\u5176\u4e2dOWNER\uff1a\u4e3a\u5efa\u7acb\u7684\u4e34\u65f6\u8868\u6240\u5728\u7684 DB\uff0c\u8981\u8fde\u5165\u6b64DB\u624d\u80fd\u4f7f\u7528\u548c\u8be5\u4e34\u65f6\u8868\u76f8\u5173\u7684 SQL
\nOBJECT_NAME\uff1a\u4e3a\u901a\u8fc7TIPTOP\u540e\u751f\u6210\u7684\u771f\u6b63\u7684\u7684\u8868\u540d\uff0c\u662f\u589e\u52a0\u4e86 TT\u548cSID\u53f7\u7684\u3002
\n\u00d8 \u5199\u5165\u4e34\u65f6\u8868
\n\u8bed\u6cd5\uff1a
\nInsert into Table2(field1,field2,…)
\nselect value1,value2,…
\nfrom Table1<\/p>\n

1.2.4 \u4e34\u65f6\u8868 \u2013\u5220\u9664
\n#\u4e00\u822c\u628a\u9700\u8981\u6e05\u7a7a\u7684\u6240\u6709\u4e34\u65f6\u8868\u7684\u4ee3\u7801\u5199\u5230\u4e00\u4e2a\u51fd\u6570\u4e2d
\n#\u9000\u51fa\u7a0b\u5f0f\u4e4b\u524d\u6216\u8005 COMMIT WORK \u4e4b\u524d\u8c03\u7528\u6e05\u7a7a\u4e34\u65f6\u8868\u7684\u51fd\u6570
\n\u8bed\u6cd5
\nDROP TABLE table_name
\n\u5220\u9664\u8868\u5b9a\u4e49\u53ca\u8be5\u8868\u7684\u6240\u6709\u6570\u636e\u3001\u7d22\u5f15\u3001\u89e6\u53d1\u5668\u3001\u7ea6\u675f\u548c\u6743\u9650\u89c4\u8303
\n\u3002
\n1.3 MERGE \u7528\u6cd5
\n1.3.1 \u7528\u9014
\n\u5728\u4e00\u4e2aSQL\u8bed\u53e5\u4e2d\u5bf9\u4e00\u4e2a\u8868\u540c\u65f6\u6267\u884c inserts\u548cupdates\u64cd\u4f5c. MERGE \u547d\u4ee4\u4ece\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u636e
\n\u6e90\u4e2d\u9009\u62e9\u884c\u6765 updating\u6216inserting\u5230\u4e00\u4e2a\u6216\u591a\u4e2a\u8868.<\/p>\n

1.3.2 \u8bed\u6cd5
\nMERGE [hint] INTO [schema .] table [t_alias]
\nUSING [schema .] { table | view | subquery } [t_alias]
\nON ( condition )
\nWHEN MATCHED THEN merge_update_clause
\nWHEN NOT MATCHED THEN merge_insert_clause;
\nusing \u5b50\u53e5
\n\u5728 using \u5b50\u53e5\u4e2d\u6307\u5b9a\u7528\u6765\u4fee\u6539\u6216\u8005\u63d2\u5165\u7684\u6570\u636e\u6e90\u3002\u6570\u636e\u6e90\u53ef\u4ee5\u662f\u8868\u3001\u89c6\u56fe\u6216\u8005\u4e00\u4e2a\u5b50\u67e5\u8be2
\n\u8bed\u53e5
\non \u5b50\u53e5
\n\u5728 on \u5b50\u53e5\u4e2d\u6307\u5b9a\u6267\u884c\u63d2\u5165\u6216\u8005\u4fee\u6539\u7684\u6ee1\u8db3\u6761\u4ef6\u3002\u5728\u76ee\u6807\u8868\u4e2d\u7b26\u5408\u6761\u4ef6\u7684\u6bcf\u4e00\u884c\uff0coracle \u7528
\n\u6570\u636e\u6e90\u4e2d\u7684\u76f8\u5e94\u6570\u636e\u4fee\u6539\u8fd9\u4e9b\u884c\u3002\u5bf9\u4e8e\u4e0d\u6ee1\u8db3\u6761\u4ef6\u7684\u90a3\u4e9b\u884c\uff0coracle \u5219\u63d2\u5165\u6570\u636e\u6e90\u4e2d\u76f8\u5e94
\n\u6570\u636e
\nwhen matched | not matched
\n\u7528\u8be5\u5b50\u53e5\u901a\u77e5 oracle \u5982\u4f55\u5bf9\u6ee1\u8db3\u6216\u4e0d\u6ee1\u8db3\u6761\u4ef6\u7684\u7ed3\u679c\u505a\u51fa\u76f8\u5e94\u7684\u64cd\u4f5c\u3002<\/p>\n

2 \u7a0b\u5f0f\u4f18\u5316\u8303\u4f8b\u8bb2\u89e3
\n2.1 \u4f7f\u7528USING
\n\u4f8b\uff1a\u5728foreach\u4e2d\u6bcf\u6b21\u5faa\u73af\u90fd\u9700\u8981\u8fd0\u884c\u67d0\u4e2a\u8bed\u53e5\uff0c\u5c24\u5176\u662f\u8017\u65f6\u7684\u8bed\u53e5\uff0c\u53ef\u4ee5\u7528USING XX\uff0cXX\u8fd9\u7c7b\u8bed\u53e5\u66ff\u4ee3\u3002\u597d\u5904\u662f\u8fd9\u79cd\u8bed\u53e5\uff0c\u53ef\u4ee5\u505a\u5230\u591a\u6b21\u5faa\u73af\u53ea\u8bfb\u4e00\u6b21\u6570\u636e\u5e93\u3002
\nFOREACH ffffff_cs11 INTO l_xxx
\nSELECT SUM(afb10) into l_xxx FROM afb_file WHERE afb00 = ’00’
\nAND afb041= l_afc.afc041,
\nAND afb01 = l_afc.afc01
\n\u8fd9\u6837\u5199\u4f1a\u6bcf\u6b21\u5faa\u73af\u90fd\u8bfb\u53d6\u4e00\u6b21\u6570\u636e\u5e93\uff0c\u5982\u679c\u4e00\u6b21\u5faa\u73af\u8fd8\u6709\u5f88\u591a\u8fd9\u79cd\u8bed\u53e5\uff0c\u5c31\u4f1a\u62d6\u6162\u6574\u4e2a\u7a0b\u5e8f\u3002<\/p>\n

\u6539\u8fdb\uff1a
\nLET l_sql = “SELECT SUM(afb10) into l_xxx FROM afb_file WHERE afb00 = ’00’ “,
\n” WHERE afb041= ? “,
\n” AND afb01 = ? ”
\nPREPARE show_ref_p3 FROM l_sql
\nDECLARE show_ref_c3 CURSOR FOR show_ref_p3<\/p>\n

FOREACH ffffff_cs11 INTO l_xxx
\nOPEN show_ref_c1 USING l_afc.afc041,l_afc.afc01
\nFETCH show_ref_c1 INTO l_xxx
\nIF STATUS THEN
\nlet l_xxx=0
\nEND IF
\nCLOSE show_ref_c1<\/p>\n

2.2 \u80fd\u4e00\u6761\u8bed\u53e5\u89e3\u51b3\u7684\uff0c\u5c31\u4e0d\u8981\u7528\u4e24\u6761\u3002
\n2.3 \u5982\u679cif\u592a\u591a\uff0c\u5c31\u8981\u8003\u8651\u7528case
\n2.4 \u5c3d\u53ef\u80fd\u7684\u51cf\u5c11\u8bfb\u53d6\u6570\u636e\u5e93\u6b21\u6570<\/p>\n

\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a\u8d6b\u975e\u57df<\/a> » \u7a0b\u5e8f\u4f18\u5316\uff08\u4ee5tiptop\u4e3a\u4f8b\uff09<\/a><\/p>","protected":false},"excerpt":{"rendered":"

1 \u7a0b\u5f0f\u4f18\u5316\u6982\u89c8 1.1 \u6982\u89c8 1.1.1 \u5f71\u54cd\u6548\u7387\u539f\u56e0 \u6570\u636e\u91cf\u5927 \u4f7f\u7528\u7684FOREACH \u67b6\u6784\u5185\u90e8\u7684\u5904\u7406\u903b\u8f91\u592a\u591a 1.1.2 \u4f18\u5316\u601d\u8def \u5c3d\u91cf\u51cf\u5c11\u7a0b\u5e8f\u8fdb\u51fa\u6570\u636e\u5e93\u7684\u6b21\u6570 \uff1a\u5373\u6574\u5408\u591a\u4e2a SQL\u5230\u4e00\u4e2aSQL\u4e2d \u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528FOREACH\u67b6\u6784 \u4f7f\u7528\u7d22\u5f15\uff0c\u63d0\u9ad8S […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[216,217],"class_list":["post-1301","post","type-post","status-publish","format-standard","hentry","category-4gl","tag-sql","tag-217"],"_links":{"self":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/1301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1301"}],"version-history":[{"count":1,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/1301\/revisions"}],"predecessor-version":[{"id":1302,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/1301\/revisions\/1302"}],"wp:attachment":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}