{"id":1248,"date":"2015-06-12T07:48:16","date_gmt":"2015-06-11T23:48:16","guid":{"rendered":"http:\/\/coderbee.net\/?p=1248"},"modified":"2015-07-13T22:45:05","modified_gmt":"2015-07-13T14:45:05","slug":"%e3%80%8a%e5%9f%ba%e4%ba%8e-oracle-%e7%9a%84-sql-%e4%bc%98%e5%8c%96%e3%80%8b%e7%ac%94%e8%ae%b0-%e7%ac%ac%e4%b8%89%e7%ab%a0-oracle-%e9%87%8c%e7%9a%84-cursor-%e5%92%8c%e5%8f%98%e9%87%8f%e7%bb%91","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/db\/20150612\/1248","title":{"rendered":"\u300a\u57fa\u4e8e Oracle \u7684 SQL \u4f18\u5316\u300b\u7b14\u8bb0 \u7b2c\u4e09\u7ae0 Oracle \u91cc\u7684 Cursor \u548c\u53d8\u91cf\u7ed1\u5b9a"},"content":{"rendered":"<p>\u7cfb\u7edf\u6027\u80fd\u968f\u7740\u5e76\u53d1\u6570\u91cf\u7684\u9012\u589e\u800c\u663e\u8457\u4e0b\u964d\u7684\u73b0\u8c61\uff0c\u5f80\u5f80\u662f\u56e0\u4e3a\u6ca1\u6709\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u800c\u4ea7\u751f\u5927\u91cf\u786c\u89e3\u6790\u6240\u81f4\u3002<\/p>\n<h2>Cursor\uff0c\u6e38\u6807<\/h2>\n<p>Cursor \u662f Oracle \u6570\u636e\u5e93\u91cc SQL \u89e3\u6790\u548c\u6267\u884c\u7684\u8f7d\u4f53\u3002\u6709\u4e24\u79cd\u7c7b\u578b\u7684 Cursor\uff1aShared Cursor\uff0cSession Cursor\u3002<\/p>\n<h3>\u5e93\u7f13\u5b58\u5bf9\u8c61<\/h3>\n<p>\u5e93\u7f13\u5b58\uff08Libaray Cache\uff09\u5b9e\u9645\u4e0a\u662f SGA \u4e2d\u7684\u4e00\u5757\u5185\u5b58\uff08\u66f4\u786e\u5207\u8bf4\u662f Shared Pool \u4e2d\u7684\u4e00\u5757\u5185\u5b58\u533a\u57df\uff09\uff0c\u5b83\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u7f13\u5b58\u521a\u521a\u6267\u884c\u8fc7\u7684 SQL \u8bed\u53e5\u548c PL\/SQL \u8bed\u53e5\uff08\u5982\u5b58\u50a8\u8fc7\u7a0b\u3001\u51fd\u6570\u3001\u5305\u3001\u89e6\u53d1\u5668\uff09\u6240\u5bf9\u5e94\u7684\u6267\u884c\u8ba1\u5212\u3001\u89e3\u6790\u6811\uff08Parse Tree\uff09\u3001Pcode\u3001Mcode \u7b49\u5bf9\u8c61\uff0c\u5f53\u540c\u6837\u7684 SQL \u8bed\u53e5\u548c PL\/SQL \u8bed\u53e5\u518d\u6b21\u88ab\u6267\u884c\u65f6\uff0c\u5c31\u53ef\u4ee5\u5229\u7528\u7f13\u5b58\u5728 Libaray Cache \u4e2d\u7684\u90a3\u4e9b\u5bf9\u8c61\u800c\u65e0\u987b\u518d\u6b21\u4ece\u5934\u5f00\u59cb\u89e3\u6790\uff0c\u8fd9\u5c31\u63d0\u9ad8\u4e86\u8fd9\u4e9b SQL \u8bed\u53e5\u548c PL\/SQL \u8bed\u53e5\u5728\u91cd\u590d\u6267\u884c\u65f6\u7684\u6267\u884c\u6548\u7387\u3002<br \/>\n<img decoding=\"async\" src=\"\/\/coderbee.net\/wp-content\/uploads\/2015\/06\/Oracle-arch.png\" alt=\"Oracle-arch\" \/><\/p>\n<p>\u7f13\u5b58\u5728\u5e93\u7f13\u5b58\u4e2d\u7684\u5bf9\u8c61\u79f0\u4e3a\u5e93\u7f13\u5b58\u5bf9\u8c61\uff08Library Cache Object\uff09\uff0c\u6240\u6709\u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u90fd\u662f\u4ee5\u4e00\u79cd\u540d\u4e3a\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\uff08Library Cache Object Handle\uff09\u7684\u7ed3\u6784\u5b58\u50a8\u5728\u5e93\u7f13\u5b58\u4e2d\u7684\uff0cOracle \u662f\u901a\u8fc7\u8bbf\u95ee\u76f8\u5173\u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\u6765\u8bbf\u95ee\u5bf9\u5e94\u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u7684\u3002<\/p>\n<p>\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\u662f\u4ee5\u54c8\u5e0c\u8868\uff08Hash Table\uff09\u7684\u65b9\u5f0f\u5b58\u50a8\u5728\u5e93\u7f13\u5b58\u4e2d\u7684\u3002<\/p>\n<p><!--more--><\/p>\n<h3>Shared Cursor<\/h3>\n<p>Shared Cursor \u662f Oracle \u7f13\u5b58\u5728 Library Cache \u4e2d\u7684\u51e0\u5341\u79cd\u7f13\u5b58\u5bf9\u8c61\u4e4b\u4e00\uff0c\u5b83\u6240\u5bf9\u5e94\u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\u7684 Namespace \u5c5e\u6027\u7684\u503c\u662f CRSR\uff08\u4e5f\u5c31\u662f Cursor \u7684\u7f29\u5199\uff09\u3002<\/p>\n<p>Shared Cursor \u4f1a\u5b58\u50a8\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u3001\u89e3\u6790\u6811\u3001\u8be5 SQL \u6240\u6d89\u53ca\u7684\u5bf9\u8c61\u5b9a\u4e49\u3001\u8be5 SQL \u6240\u4f7f\u7528\u7684\u7ed1\u5b9a\u53d8\u91cf\u7c7b\u578b\u548c\u957f\u5ea6\uff0c\u4ee5\u53ca\u8be5 SQL \u7684\u6267\u884c\u8ba1\u5212\u7b49\u4fe1\u606f\u3002<\/p>\n<p>Oracle \u6570\u636e\u5e93\u4e2d\u7684 Shared Cursor \u53c8\u7ec6\u5206\u4e3a Parent Cursor \uff08\u7236\u6e38\u6807\uff09\u548c Child Cursor\uff08\u5b50\u6e38\u6807\uff09\u8fd9\u4e24\u79cd\u7c7b\u578b\uff0c\u53ef\u4ee5\u901a\u8fc7\u5206\u522b\u67e5\u8be2\u89c6\u56fe  <code>V$SQLAREA<\/code> \u548c <code>V$SQL<\/code> \u6765\u67e5\u770b\u5f53\u524d\u7f13\u5b58\u5728\u5e93\u7f13\u5b58\u4e2d\u7684 Parent Cursor \u548c Child Cursor\uff0c\u5176\u4e2d <code>V$SQLAREA<\/code> \u7528\u4e8e\u67e5\u770b Parent Cursor\uff0c<code>V$SQL<\/code> \u7528\u4e8e\u67e5\u770b Child Cursor\u3002<\/p>\n<p>\u5728 Oracle \u6570\u636e\u5e93\u91cc\uff0c\u4efb\u610f\u4e00\u4e2a\u76ee\u6807 SQL \u4e00\u5b9a\u4f1a\u540c\u65f6\u5bf9\u5e94\u4e24\u4e2a Shared Cursor\uff0c\u5176\u4e2d\u4e00\u4e2a Parent Cursor\uff0c\u53e6\u4e00\u4e2a\u662f Child Cursor\uff0c Parent Cursor \u5b58\u50a8\u8be5 SQL \u7684SQL \u6587\u672c\uff0c\u8be5 SQL \u771f\u6b63\u53ef\u4ee5\u91cd\u7528\u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\u5219\u5b58\u50a8\u5728 Child Cursor \u4e2d\u3002<\/p>\n<p>Oracle \u5728\u89e3\u6790\u76ee\u6807 SQL \u65f6\u53bb\u5e93\u7f13\u5b58\u4e2d\u67e5\u627e\u5339\u914d Shared Cursor \u7684\u8fc7\u7a0b\uff1a<\/p>\n<ol>\n<li>\n<p>\u6839\u636e\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u7684\u54c8\u5e0c\u503c\u53bb\u5e93\u7f13\u5b58\u4e2d\u627e\u5339\u914d\u7684 Hash Bucket\u3002\u51c6\u786e\u5730\u8bf4\uff0c\u54c8\u5e0c\u8fd0\u7b97\u662f\u57fa\u4e8e\u5bf9\u5e94\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\u7684\u5c5e\u6027 Name \u548c Namespace \u7684\u503c\u7684\uff0c\u53ea\u4e0d\u8fc7\u5bf9\u4e8e SQL \u8bed\u53e5\u800c\u8a00\uff0c\u5176\u5bf9\u5e94\u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\u7684\u5c5e\u6027 Name \u7684\u503c\u5c31\u662f\u8be5 SQL \u7684 SQL \u6587\u672c\uff0c\u5c5e\u6027 Namespace \u7684\u503c\u5c31\u662f\u5e38\u91cf \u201cCRSR\u201d\uff0c\u6240\u4ee5\u53ef\u4ee5\u770b\u4f3c\u662f\u53ea\u6839\u636e\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u6765\u505a\u54c8\u5e0c\u8fd0\u7b97\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u5339\u914d\u7684 Hash Bucket \u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u94fe\u8868\u4e2d\u67e5\u627e\u5339\u914d\u7684 Parent Cursor\uff0c\u5728\u67e5\u627e\u5339\u914d Parent Cursor \u7684\u8fc7\u7a0b\u4e2d\u80af\u5b9a\u4f1a\u6bd4\u5bf9\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\uff08\u4e0d\u540c SQL \u6587\u672c\u8ba1\u7b97\u51fa\u6765\u7684\u54c8\u5e0c\u503c\u53ef\u80fd\u76f8\u540c\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 2 \u5982\u679c\u627e\u5230\u4e86\u5339\u914d\u7684 Parent Cursor\uff0c\u63a5\u4e0b\u6765\u4f1a\u904d\u5386\u4ece\u5c5e\u4e8e\u8be5 Parent Cursor \u7684\u6240\u6709 Child Cursor \u4ee5\u67e5\u627e\u5339\u914d\u7684 Child Cursor\u3002<\/p>\n<\/li>\n<li>\n<p>\u6b65\u9aa4 2 \u5982\u679c\u627e\u4e0d\u5230\u5339\u914d\u7684 Parent Cursor\uff0c\u610f\u5473\u7740\u6ca1\u6709\u53ef\u4ee5\u5171\u4eab\u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\uff0c\u5c31\u4ece\u5934\u5f00\u59cb\u89e3\u6790\u4e0a\u8ff0\u76ee\u6807 SQL\uff0c\u65b0\u751f\u6210\u4e00\u4e2a Parent Cursor \u548c\u4e00\u4e2a Child Cursor\uff0c\u5e76\u628a\u5b83\u4eec\u6302\u5728\u5bf9\u5e94\u7684 Hash Bucket \u4e2d\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u627e\u5230\u4e86\u5339\u914d\u7684 Child Cursor\uff0c\u5c31\u628a\u5b58\u50a8\u4e8e\u8be5 Child Cursor \u4e2d\u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\u76f4\u63a5\u62ff\u8fc7\u6765\u91cd\u7528\uff0c\u800c\u4e0d\u7528\u4ece\u5934\u5f00\u59cb\u89e3\u6790\u3002<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u627e\u4e0d\u5230\u5339\u914d\u7684 Child Cursor\uff0c\u5c31\u4ece\u5934\u5f00\u59cb\u89e3\u6790\u4e0a\u8ff0\u76ee\u6807 SQL\uff0c\u65b0\u751f\u6210\u4e00\u4e2a Child Cursor\uff0c\u5e76\u628a\u8fd9\u4e2a Child Cursor \u6302\u5728\u5bf9\u5e94\u7684 Parent Cursor \u4e2d\u3002<\/p>\n<\/li>\n<\/ol>\n<h4>\u786c\u89e3\u6790<\/h4>\n<p>\u786c\u89e3\u6790\uff08Hard Parse\uff09\u662f\u6307 Oracle \u5728\u6267\u884c\u76ee\u6807 SQL \u65f6\uff0c\u5728\u5e93\u7f13\u5b58\u4e2d\u627e\u4e0d\u5230\u53ef\u4ee5\u91cd\u7528\u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\uff0c\u800c\u4e0d\u5f97\u4e0d\u4ece\u5934\u5f00\u59cb\u89e3\u6790\u76ee\u6807 SQL \u5e76\u751f\u6210\u76f8\u5e94\u7684 Parent Cursor \u548c Child Cursor \u7684\u8fc7\u7a0b\u3002<\/p>\n<p>\u786c\u89e3\u6790\u7684\u5371\u5bb3\uff1a<\/p>\n<ol>\n<li>\n<p>\u786c\u89e3\u6790\u53ef\u80fd\u4f1a\u5bfc\u81f4 Shared Pool Latch \u7684\u4e89\u7528\u3002Oracle \u5fc5\u987b\u5728 Shared Pool \u4e2d\u5206\u914d\u51fa\u4e00\u5757\u5185\u5b58\u533a\u57df\u6765\u5b58\u50a8\u65b0\u751f\u6210\u7684 Child Cursor\uff0c\u8fd9\u4e2a\u5206\u914d\u52a8\u4f5c\u5fc5\u987b\u5728\u6301\u6709 Shared Pool Latch \u7684\u524d\u63d0\u4e0b\u8fdb\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u786c\u89e3\u6790\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5e93\u7f13\u5b58\u76f8\u5173 Latch\uff08\u5982 Library Cache Latch\uff09 \u548c Mutex \u7684\u4e89\u7528\u3002\u65e0\u8bba\u54ea\u79cd\u7c7b\u578b\u7684\u786c\u89e3\u6790\uff0c\u90fd\u9700\u8981\u626b\u63cf\u76f8\u5173\u7684 Hash Bucket \u4e2d\u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\u94fe\u8868\uff0c\u8fd9\u662f\u9700\u8981\u5728\u6301\u6709 Library Cache Latch \u7684\u3002\u4ece 11gR1 \u5f00\u59cb\uff0cOracle \u7528 Mutex \u66ff\u6362\u4e86\u5e93\u7f13\u5b58\u76f8\u5173\u7684 Latch\uff0cLatch \u4e89\u7528\u5c31\u53d8\u4e3a Mutex \u4e89\u7528\u3002<\/p>\n<\/li>\n<\/ol>\n<p>Oracle \u5728\u505a\u786c\u89e3\u6790\u65f6\u5bf9 Shared Pool Latch \u548c Library Cache Latch \u7684\u6301\u6709\u8fc7\u7a0b\u5927\u81f4\u5982\u4e0b\uff1aOracle \u9996\u5148\u6301\u6709 Library Cache Latch\uff0c\u5728\u5e93\u7f13\u5b58\u4e2d\u626b\u63cf\u76f8\u5173\u7684 Hash Bucket \u4e2d\u7684\u5e93\u7f13\u5b58\u5bf9\u8c61\u53e5\u67c4\u94fe\u8868\uff0c\u4ee5\u67e5\u770b\u662f\u5426\u6709\u5339\u914d\u7684 Parent Cursor\uff0c\u7136\u540e\u91ca\u653e Library Cache Latch\u3002\u63a5\u4e0b\u6765\u662f\u786c\u89e3\u6790\u7684\u540e\u534a\u90e8\u5206\uff0c\u9996\u5148\u6301\u6709 Library Cache Latch\uff0c\u7136\u540e\u6301\u6709 Shared Pool Latch\uff0c\u4ee5\u4fbf\u4ece Shared Pool \u4e2d\u7533\u8bf7\u5206\u914d\u5185\u5b58\uff0c\u6210\u529f\u7533\u8bf7\u540e\u5c31\u4f1a\u91ca\u653e Shared Pool Latch\uff0c\u6700\u540e\u518d\u91ca\u653e Library Cache Latch\u3002<\/p>\n<h2>\u7ed1\u5b9a\u53d8\u91cf<\/h2>\n<p>\u7ed1\u5b9a\u53d8\u91cf\uff08Bind variable\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u53c8\u88ab\u79f0\u4e3a\u5360\u4f4d\u7b26\uff08Placeholder\uff09\uff0c\u7ed1\u5b9a\u53d8\u91cf\u901a\u5e38\u51fa\u73b0\u5728\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u4e2d\uff0c\u7528\u4e8e\u66ff\u6362 SQL \u6587\u672c\u4e2d where \u6761\u4ef6\u6216\u8005 values \u5b50\u53e5\u4e2d\u7684\u5177\u4f53\u8f93\u5165\u503c\u3002<\/p>\n<p>\u7ed1\u5b9a\u53d8\u91cf\u7684\u4f7f\u7528\u8bed\u6cd5\u662f <code>:variable_name<\/code>\uff0c\u5373\u5192\u53f7\u548c\u81ea\u5b9a\u4e49\u53d8\u91cf\u540d\u79f0\u7684\u7ec4\u5408\u6765\u66ff\u6362\u76ee\u6807 SQL \u4e2d\u7684 SQL \u6587\u672c\u4e2d\u7684\u5177\u4f53\u8f93\u5165\u503c\uff0c\u53d8\u91cf\u540d\u53ef\u4ee5\u662f\u5b57\u6bcd\u3001\u6570\u5b57\u6216\u8005\u5b57\u6bcd\u4e0e\u6570\u5b57\u7684\u7ec4\u5408\u3002<\/p>\n<h3>\u7ed1\u5b9a\u53d8\u91cf\u7684\u4f5c\u7528<\/h3>\n<p>\u53ea\u8981\u5f85\u6267\u884c\u7684\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u7a0d\u6709\u4e0d\u540c\uff0c\u90a3\u4e48\u636e\u6b64\u8ba1\u7b97\u51fa\u6765\u7684\u54c8\u5e0c\u503c\u5c31\u6781\u6709\u53ef\u80fd\u4e0d\u540c\uff08\u5c31\u7b97\u662f\u54c8\u5e0c\u503c\u76f8\u540c\u7684\uff0cOracle \u8fd8\u4f1a\u7ee7\u7eed\u6bd4\u5bf9 Parent Cursor \u6240\u5bf9\u5e94\u7684 SQL \u6587\u672c\uff09\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u4e9b SQL \u6587\u672c\u4e0d\u5b8c\u5168\u76f8\u540c\u7684\u76ee\u6807 SQL \u4e4b\u95f4\u662f\u6ca1\u6cd5\u91cd\u7528\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\u7684\u3002<\/p>\n<p>\u5bf9\u4e8e OLTP \u7684\u7cfb\u7edf\uff0c\u7ed1\u5b9a\u53d8\u91cf\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u7cfb\u7edf\u786c\u89e3\u6790\u7684\u6570\u91cf\u3002<\/p>\n<p>PL\/SQL \u4e2d\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u7684\u6807\u51c6\u8bed\u6cd5\uff1a<br \/>\n<code>execute immediate [\u5e26\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807SQL]  using  [\u5bf9\u5e94\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c\uff0c\u591a\u4e2a\u7528\u9017\u53f7\u5206\u9694];<\/code><\/p>\n<p>PL\/SQL \u4ee3\u7801\u4e2d\u7ed9\u7ed1\u5b9a\u53d8\u91cf\u8d4b\u503c\u7684\u5173\u952e\u5b57\u662f <code>using<\/code>\uff0c\u76ee\u6807 SQL \u4e2d\u6709\u51e0\u4e2a\u7ed1\u5b9a\u53d8\u91cf\uff0c<code>using<\/code> \u540e\u9762\u5c31\u8ddf\u51e0\u4e2a\u5177\u4f53\u7684\u8f93\u5165\u503c\u3002\u5173\u952e\u5b57 using \u540e\u4f20\u5165\u7684\u7ed1\u5b9a\u53d8\u91cf\u5177\u4f53\u8f93\u5165\u503c\u53ea\u4e0e\u5bf9\u5e94\u7ed1\u5b9a\u53d8\u91cf\u5728\u76ee\u6807 SQL \u4e2d\u6240\u5728\u7684\u4f4d\u7f6e\u6709\u5173\uff0c\u800c\u4e0e\u5176\u540d\u79f0\u65e0\u5173\u3002<\/p>\n<pre><code class=\"sql\">sql := 'delete from emp where cc = :1 returning ename into :2';\n<\/code><\/pre>\n<p>\u5173\u952e\u5b57 returning \u53ef\u4ee5\u548c\u5e26\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL \u8fde\u7528\uff0c\u76ee\u7684\u662f\u628a\u53d7\u8be5 SQL \u5f71\u54cd\u7684\u884c\u8bb0\u5f55\u7684\u5bf9\u5e94\u5b57\u6bb5\u7684\u503c\u7ed9\u53d6\u51fa\u6765\u3002<\/p>\n<p>PL\/SQL \u4e2d\u7684\u6279\u91cf\u7ed1\u5b9a\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u662f\u4e00\u6b21\u5904\u7406\u4e00\u6279\u6570\u636e\uff0c\u800c\u4e0d\u662f\u50cf\u50cf\u5e38\u89c4\u90a3\u6837\u4e00\u6b21\u53ea\u5904\u7406\u4e00\u6761\u6570\u636e\uff0c\u6240\u4ee5\u5b83\u80fd\u591f\u51cf\u5c11 PL\/SQL \u5f15\u64ce\u548c SQL \u5f15\u64ce\u4e0a\u4e0b\u6587\u5207\u6362\u7684\u6b21\u6570\u3002<\/p>\n<p>PL\/SQL \u5f15\u64ce\u53ef\u4ee5\u770b\u4f5c\u662f Oracle \u6570\u636e\u5e93\u4e2d\u4e13\u95e8\u7528\u6765\u5904\u7406 PL\/SQL \u4ee3\u7801\u4e2d\u9664 SQL \u8bed\u53e5\u4e4b\u5916\u6240\u6709\u5269\u4f59\u90e8\u5206\uff08\u5982\u53d8\u91cf\u3001\u590d\u5236\u3001\u5faa\u73af\u3001\u6570\u7ec4\u7b49\uff09\u7684\u5b50\u7cfb\u7edf\uff1b\u800c SQL \u5f15\u64ce\u5219\u662f Oracle \u6570\u636e\u5e93\u4e2d\u4e13\u95e8\u7528\u6765\u5904\u7406 SQL \u8bed\u53e5\u7684\u5b50\u7cfb\u7edf\uff0c\u8fd9\u91cc\u7684 PL\/SQL \u5f15\u64ce\u548c SQL \u5f15\u64ce\u4e0a\u4e0b\u6587\u5207\u6362\u5c31\u662f\u6307\u5b83\u4eec\u4e4b\u95f4\u7684\u4ea4\u4e92\u3002<\/p>\n<p>\u7406\u8bba\u4e0a PL\/SQL \u4ee3\u7801\u91cc\u53ea\u8981\u6267\u884c SQL \u8bed\u53e5\uff0c\u5c31\u4f1a\u53d1\u751f PL\/SQL \u5f15\u64ce\u548c SQL \u5f15\u64ce\u7684\u4ea4\u4e92\uff0c\u4f46\u5bf9 PL\/SQL \u4ee3\u7801\u6027\u80fd\u6709\u5f71\u54cd\u7684\u4ea4\u4e92\u4e3b\u8981\u53d1\u751f\u5728 PL\/SQL \u4ee3\u7801\u4e2d\u7684\u5982\u4e0b\u4e24\u5904\uff1a<\/p>\n<ul>\n<li>\u663e\u5f0f\u6e38\u6807\u6216\u53c2\u8003\u6e38\u6807\u9700\u8981\u5faa\u73af\u6267\u884c fetch \u64cd\u4f5c\u65f6\u3002\u8fd9\u91cc\u7684\u5faa\u73af\u64cd\u4f5c\u7531 PL\/SQL \u5f15\u64ce\u6765\u5904\u7406\uff0c\u800c fetch \u4e00\u6761\u8bb0\u5f55\u5bf9\u5e94\u8981\u6267\u884c\u7684 SQL \u8bed\u53e5\u5219\u9700\u8981 SQL \u5f15\u64ce\u6765\u5904\u7406\uff0c\u6240\u4ee5\u5982\u679c\u4e0d\u505a\u4efb\u4f55\u4f18\u5316\uff0c\u90a3\u4e48\u8fd9\u91cc\u6bcf fetch \u4e00\u6761\u8bb0\u5f55\uff0cPL\/SQL \u5f15\u64ce\u5c31\u9700\u8981\u548c SQL \u5f15\u64ce\u4ea4\u4e92\u4e00\u6b21\u3002<\/li>\n<li>\u663e\u5f0f\u6e38\u6807\u6216\u53c2\u8003\u6e38\u6807\u7684\u5faa\u73af\u5185\u90e8\u9700\u8981\u6267\u884c SQL \u8bed\u53e5\u65f6\uff0c\u8fd8\u662f\u548c\u4e0a\u8ff0\u8fdc\u79bb\u4e00\u6837\uff0c\u6bcf fetch \u4e00\u6761\u8bb0\u5f55\uff0cPL\/SQL \u5f15\u64ce\u5c31\u9700\u8981\u548c SQL \u5f15\u64ce\u4ea4\u4e92\u4e00\u6b21\u3002<\/li>\n<\/ul>\n<p>PL\/SQL \u4ee3\u7801\u4e2d\u6279\u91cf fetch \u6240\u5bf9\u5e94\u7684\u8bed\u6cd5\u4e3a\uff1a<br \/>\n<code>fetch  cursor_name bulk collect into [\u81ea\u5b9a\u4e49\u7684\u6570\u7ec4]  &lt;limit  CN_BATCH_SIZE&gt;<\/code><\/p>\n<p><code>limit  CN_BATCH_SIZE<\/code> \u8868\u793a\u4e00\u6b21\u6279\u91cf fetch \u7684\u6700\u591a\u8bb0\u5f55\u6570\uff0c\u901a\u5e38\u5efa\u8bae\u4e3a 1000\u3002\u5982\u679c\u4e0d\u6307\u5b9a\u5219 fetch \u6240\u6709\u7684\u8bb0\u5f55\uff0c\u8fd9\u662f\u4e0d\u53ef\u53d6\u7684\uff0c\u7ed9 PGA \u9020\u6210\u6781\u5927\u538b\u529b\u3002<\/p>\n<pre><code class=\"sql\">forall  i  in  1..[\u81ea\u5b9a\u4e49\u6570\u7ec4\u7684\u957f\u5ea6]\n     execute immediate  [\u5e26\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL]  using  [\u5bf9\u5e94\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c];\n<\/code><\/pre>\n<p>\u8fd9\u91cc\u7684\u5173\u952e\u5b57 <code>forall<\/code> \u8868\u793a\u4e00\u6b21\u6267\u884c\u4e00\u6279 SQL \u8bed\u53e5\uff0c\u53ef\u4ee5\u548c <code>insert, update, delete<\/code> \u8bed\u53e5\u8054\u7528\u3002<\/p>\n<h3>\u7ed1\u5b9a\u53d8\u91cf\u7aa5\u63a2\uff08Peeking\uff09<\/h3>\n<p>\u5bf9\u4e8e\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL \u800c\u8a00\uff0cOracle \u53ef\u4ee5\u9009\u62e9\u5982\u4e0b\u4e24\u79cd\u65b9\u6cd5\u6765\u51b3\u5b9a\u5176\u6267\u884c\u8ba1\u5212\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u7aa5\u63a2\uff1b<\/li>\n<li>\u5982\u679c\u4e0d\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u7aa5\u63a2\uff0c\u5219\u5bf9\u4e8e\u90a3\u4e9b\u53ef\u9009\u62e9\u7387\u53ef\u80fd\u4f1a\u968f\u7740\u5177\u4f53\u8f93\u5165\u503c\u7684\u4e0d\u540c\u800c\u4e0d\u540c\u7684\u8c13\u8bcd\u6761\u4ef6\u4f7f\u7528\u9ed8\u8ba4\u7684\u53ef\u9009\u62e9\u7387\uff08\u4f8b\u5982 5%\uff09\u3002<\/li>\n<\/ul>\n<p>\u5f53\u7ed1\u5b9a\u53d8\u91cf\u7aa5\u63a2\u88ab\u542f\u7528\u540e\uff0c\u6bcf\u5f53 Oracle \u4ee5\u786c\u89e3\u6790\u7684\u65b9\u5f0f\u89e3\u6790\u4f7f\u7528\u4e86\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL \u65f6\uff0cOracle \u90fd\u4f1a\u5b9e\u9645\u7aa5\u63a2\u4e00\u4e0b\u5bf9\u5e94\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c\uff0c\u5e76\u4ee5\u8fd9\u4e9b\u5177\u4f53\u8f93\u5165\u503c\u4e3a\u6807\u51c6\uff0c\u6765\u51b3\u5b9a\u8fd9\u4e9b\u4f7f\u7528\u4e86\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL \u7684 where \u6761\u4ef6\u7684 selectivity \u548c Cardinality \u7684\u503c\uff0c\u5e76\u636e\u6b64\u6765\u9009\u62e9\u8be5 SQL \u7684\u6267\u884c\u8ba1\u5212\u3002\u6ce8\u610f\uff0c\u8fd9\u4e2a\u7aa5\u63a2\u7684\u52a8\u4f5c\u53ea\u5728\u786c\u89e3\u6790\u7684\u65f6\u5019\u624d\u4f1a\u6267\u884c\uff0c\u5f53\u4f7f\u7528\u4e86\u7ed1\u5b9a\u53d8\u91cf\u7684 SQL \u518d\u6b21\u6267\u884c\u65f6\uff08\u6b64\u65f6\u5bf9\u5e94\u7684\u662f\u8f6f\u89e3\u6790\/\u8f6f\u8f6f\u89e3\u6790\uff09\uff0c\u5373\u4fbf\u6b64\u65f6\u5bf9\u5e94\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c\u548c\u4e4b\u524d\u786c\u89e3\u6790\u65f6\u5bf9\u5e94\u7684\u503c\u4e0d\u540c\uff0cOracle \u4e5f\u4f1a\u6cbf\u7528\u4e4b\u524d\u786c\u89e3\u6790\u65f6\u6240\u4ea7\u751f\u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\uff0c\u800c\u4e0d\u518d\u91cd\u590d\u6267\u884c\u4e0a\u8ff0\u7aa5\u63a2\u52a8\u4f5c\u3002<\/p>\n<p>\u4f7f\u7528 DDL \u64cd\u4f5c\u53ef\u4ee5\u8ba9 Oracle \u518d\u6b21\u6267\u884c\u76ee\u6807 SQL \u65f6\u4f7f\u7528\u786c\u89e3\u6790\uff0c\u5f0a\u7aef\u5728\u4e8e\u4e00\u65e6\u5bf9\u67d0\u4e2a\u8868\u6267\u884c\u4e86 DDL \u64cd\u4f5c\uff0c\u518d\u6b21\u6267\u884c\u4e0e\u8fd9\u4e2a\u8868\u76f8\u5173\u7684\u6240\u6709 SQL \u65f6\u5c31\u4f1a\u5168\u90e8\u4f7f\u7528\u786c\u89e3\u6790\u3002\u5bf9\u4e8e OLTP \u7cfb\u7edf\u800c\u8a00\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u77ed\u65f6\u95f4\u5185\u7684\u786c\u89e3\u6790\u6570\u91cf\u5267\u589e\uff0c\u8fdb\u800c\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n<h3>\u7ed1\u5b9a\u53d8\u91cf\u5206\u7ea7\uff08Bind Graduation\uff09<\/h3>\n<p>\u7ed1\u5b9a\u53d8\u91cf\u5206\u7ea7\u662f\u6307 Oracle \u5728 PL\/SQL \u4ee3\u7801\u4e2d\u4f1a\u6839\u636e\u6587\u672c\u578b\u7ed1\u5b9a\u53d8\u91cf\u7684\u5b9a\u4e49\u957f\u5ea6\u800c\u5c06\u8fd9\u4e9b\u6587\u672c\u578b\u7ed1\u5b9a\u53d8\u91cf\u5206\u4e3a\u56db\u4e2a\u7b49\u7ea7\uff1a<\/p>\n<ul>\n<li>\u7b2c\u4e00\u7ea7\uff1a\u5b9a\u4e49\u957f\u5ea6\u5728 32 \u5b57\u8282\u4ee5\u5185\uff0c\u56fa\u5b9a\u5206\u914d 32 \u5b57\u8282\u5185\u5b58\u7a7a\u95f4\uff1b<\/li>\n<li>\u7b2c\u4e8c\u7ea7\uff1a\u5b9a\u4e49\u957f\u5ea6\u5728 33&#8211;128 \u5b57\u8282\uff0c\u56fa\u5b9a\u5206\u914d 128 \u5b57\u8282\u5185\u5b58\u7a7a\u95f4\uff1b<\/li>\n<li>\u7b2c\u4e09\u7ea7\uff1a\u5b9a\u4e49\u957f\u5ea6\u5728 129 &#8212; 2000 \u5b57\u8282\uff0c\u56fa\u5b9a\u5206\u914d 2000 \u5b57\u8282\u5185\u5b58\u7a7a\u95f4\uff1b<\/li>\n<li>\u7b2c\u56db\u7ea7\uff1a\u5b9a\u4e49\u957f\u5ea6\u5728 2001 \u5b57\u8282\u4ee5\u4e0a\uff0c\u5206\u914d 4000 \u5b57\u8282\u5185\u5b58\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u5185\u5b58\u5206\u914d\u662f\u5728 PGA \u533a\u7684\u3002<\/p>\n<p>\u7ed1\u5b9a\u53d8\u91cf\u5206\u7ea7\u4ec5\u9002\u7528\u4e8e\u6587\u672c\u578b\u7684\u7ed1\u5b9a\u53d8\u91cf\uff0c\u8fd9\u610f\u5473\u7740 Oracle \u4e0d\u4f1a\u5bf9\u6570\u636e\u503c NUMBER \u578b\u7684\u7ed1\u5b9a\u53d8\u91cf\u505a\u5206\u7ea7\u3002\u6570\u503c\u578b\u7684\u53d8\u91cf\u6700\u591a\u5360\u7528 22 \u5b57\u8282\uff0cOracle \u7edf\u4e00\u5206\u914d 22 \u5b57\u8282\u3002<\/p>\n<p>Child Cursor \u4e2d\u9664\u4e86\u4f1a\u5b58\u50a8\u76ee\u6807 SQL \u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\u4e4b\u5916\uff0c\u8fd8\u4f1a\u5b58\u50a8\u8be5 SQL \u6240\u4f7f\u7528\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u7c7b\u578b\u548c\u957f\u5ea6\uff0c\u8fd9\u610f\u5473\u7740\u5373\u4f7f\u8be5 SQL \u7684 SQL \u6587\u672c\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u6539\u53d8\uff0c\u53ea\u8981\u5176 SQL \u6587\u672c\u4e2d\u6587\u672c\u578b\u7ed1\u5b9a\u53d8\u91cf\u7684\u5b9a\u4e49\u957f\u5ea6\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u90a3\u4e48\u8be5 SQL \u518d\u6b21\u6267\u884c\u65f6\u5c31\u53ef\u80fd\u8fd8\u662f\u505a\u786c\u89e3\u6790\u3002<\/p>\n<h3>\u7ed1\u5b9a\u53d8\u91cf\u7684\u4e2a\u6570\u4e0d\u5b9c\u592a\u591a<\/h3>\n<p>\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u4e2d\u7ed1\u5b9a\u53d8\u91cf\u7684\u4e2a\u6570\u4e0d\u5b9c\u592a\u591a\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u5bfc\u81f4\u76ee\u6807 SQL \u603b\u7684\u6267\u884c\u65f6\u95f4\u5927\u5e45\u5ea6\u589e\u957f\u3002\u589e\u957f\u7684\u65f6\u95f4\u4e3b\u8981\u8017\u8d39\u5728\u6267\u884c\u76ee\u6807 SQL \u65f6\u5bf9\u6bcf\u4e2a\u7ed1\u5b9a\u53d8\u91cf\u90fd\u7528\u5176\u5b9e\u9645\u7684\u503c\u6765\u66ff\u6362\uff08\u8fd9\u4e2a\u8fc7\u7a0b\u5373\u6240\u8c13\u7684\u7ed1\u5b9a\u53d8\u91cf\u503c\u66ff\u6362\uff09\uff0c\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u4e2d\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u4e2a\u6570\u8d8a\u591a\uff0c\u8fd9\u4e2a\u66ff\u6362\u8fc7\u7a0b\u6240\u8017\u8d39\u7684\u65f6\u95f4\u5c31\u8d8a\u957f\uff0c\u8be5 SQL \u603b\u7684\u6267\u884c\u65f6\u95f4\u4e5f\u5c31\u8d8a\u957f\u3002<\/p>\n<h3>\u5982\u4f55\u5f97\u5230\u5df2\u6267\u884c\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u503c<\/h3>\n<p>\u5982\u679c\u6ee1\u8db3\u5982\u4e0b\u4e24\u4e2a\u6761\u4ef6\u4e4b\u4e00\uff0c\u5219\u8be5 SQL \u4e2d\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c\u5c31\u4f1a\u88ab Oracle \u6355\u83b7\uff0c\u5e76\u53ef\u901a\u8fc7\u89c6\u56fe <code>V$SQL_BIND_CAPTURE<\/code> \u67e5\u8be2\uff1a<\/p>\n<ul>\n<li>\u5f53\u542b\u6709\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL \u4ee5\u786c\u89e3\u6790\u7684\u65b9\u5f0f\u88ab\u6267\u884c\uff1b<\/li>\n<li>\u5f53\u542b\u6709\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL \u4ee5\u8f6f\u89e3\u6790\/\u8f6f\u8f6f\u89e3\u6790\u7684\u65b9\u5f0f\u91cd\u590d\u6267\u884c\u65f6\uff0c\u8be5 SQL \u4e2d\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c\u4e5f\u53ef\u80fd\u4f1a\u88ab Oracle \u6355\u83b7\uff0c\u53ea\u4e0d\u8fc7\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u8fd9\u79cd\u6355\u83b7\u64cd\u4f5c Oracle \u81f3\u5c11\u5f97\u95f4\u9694 15 \u5206\u949f\u624d\u4f1a\u505a\u4e00\u6b21\u3002<\/li>\n<\/ul>\n<p>Oracle \u53ea\u4f1a\u6355\u83b7\u90a3\u4e9b\u4f4d\u4e8e\u76ee\u6807 SQL \u7684 where \u6761\u4ef6\u4e2d\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c\uff0c\u800c\u5bf9\u4e8e\u90a3\u4e9b\u4f7f\u7528\u4e86\u7ed1\u5b9a\u53d8\u91cf\u7684insert \u8bed\u53e5\uff0c\u4e0d\u7ba1\u8be5 insert \u8bed\u53e5\u662f\u5426\u662f\u4ee5\u786c\u89e3\u6790\u7684\u65b9\u5f0f\u6267\u884c\uff0cOracle \u59cb\u7ec8\u4e0d\u4f1a\u6355\u83b7\u5176 values \u5b50\u53e5\u4e2d\u5bf9\u5e94\u7684\u7ed1\u5b9a\u53d8\u91cf\u7684\u5177\u4f53\u8f93\u5165\u503c\u3002<\/p>\n<h2>Oracle \u91cc\u7684\u6e38\u6807\u5171\u4eab\uff08Cursor Sharing\uff09<\/h2>\n<p>\u6e38\u6807\u5171\u4eab\u662f\u6307 Shared Cursor \u95f4\u7684\u5171\u4eab\uff0c\u5c31\u662f\u91cd\u7528\u5b58\u50a8\u5728 Child Cursor \u4e2d\u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\u800c\u4e0d\u7528\u4ece\u5934\u5f00\u59cb\u89e3\u6790\u3002<\/p>\n<p>\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u9762\u4e34\u5982\u4e0b\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u5f88\u591a OLTP \u7cfb\u7edf\u6ca1\u6709\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\uff1b<\/li>\n<li>\u5bf9\u4e8e\u4f7f\u7528\u4e86\u7ed1\u5b9a\u53d8\u91cf\u7684\u76ee\u6807 SQL \u53ea\u4f1a\u6cbf\u7528\u786c\u89e3\u6790\u65f6\u4ea7\u751f\u7684\u89e3\u6790\u6811\u548c\u6267\u884c\u8ba1\u5212\uff0c\u5373\u4f7f\u8fd9\u79cd\u6cbf\u7528\u5b8c\u5168\u4e0d\u9002\u5408\u5f53\u524d\u7684\u60c5\u5f62\u3002<\/li>\n<\/ul>\n<p>Oracle \u5f15\u5165\u4e86\u5e38\u89c4\u6e38\u6807\u5171\u4eab\u6765\u89e3\u51b3\u7b2c\u4e00\u4e2a\u95ee\u9898\uff0c\u81ea\u9002\u5e94\u6e38\u6807\u5171\u4eab\u6765\u89e3\u51b3\u7b2c\u4e8c\u4e2a\u95ee\u9898\u3002<\/p>\n<h3>\u5e38\u89c4\u6e38\u6807\u5171\u4eab<\/h3>\n<p>\u5f00\u542f\u4e86\u5e38\u89c4\u6e38\u6807\u5171\u4eab\u540e\uff0cOracle \u5728\u89e3\u6790\u76ee\u6807 SQL \u4e4b\u524d\uff0c\u4f1a\u5148\u7528\u7cfb\u7edf\u4ea7\u751f\u7684\u7ed1\u5b9a\u53d8\u91cf\u6765\u66ff\u6362\u76ee\u6807 SQL \u7684 SQL \u6587\u672c\u4e2d where \u6761\u4ef6\u6216\u8005 values \u5b50\u53e5\u4e2d\u7684\u5177\u4f53\u8f93\u5165\u503c\uff0c\u8fd9\u6837\u66ff\u6362\u540e\u5b9e\u9645\u6267\u884c\u7684 SQL \u5c31\u5df2\u7ecf\u662f\u4f7f\u7528\u4e86\u7ed1\u5b9a\u53d8\u91cf\u7684\u7684\u6539\u5199\u540e\u7684\u7b49\u4ef7 SQL\u3002<\/p>\n<hr\/>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: <strong>coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"258\" height=\"258\" src=\"https:\/\/coderbee.net\/wp-content\/uploads\/2019\/01\/coderbee-note.jpg\" class=\"alignnone size-full wp-image-1707\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7cfb\u7edf\u6027\u80fd\u968f\u7740\u5e76\u53d1\u6570\u91cf\u7684\u9012\u589e\u800c\u663e\u8457\u4e0b\u964d\u7684\u73b0\u8c61\uff0c\u5f80\u5f80\u662f\u56e0\u4e3a\u6ca1\u6709\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u800c\u4ea7\u751f\u5927\u91cf &hellip; <a href=\"https:\/\/coderbee.net\/index.php\/db\/20150612\/1248\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[99,224,223],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1248"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=1248"}],"version-history":[{"count":5,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1248\/revisions"}],"predecessor-version":[{"id":1268,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/1248\/revisions\/1268"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=1248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=1248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=1248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}