{"id":47131,"date":"2023-06-18T18:11:49","date_gmt":"2023-04-02T15:17:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e7%94%a8%e4%ba%8eoracle-database-21c%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e9%98%9f%e5%88%97%e6%8a%80%e6%9c%aftransactional-event-queues-teq%e3%80%82\/"},"modified":"2024-04-30T09:30:23","modified_gmt":"2024-04-30T01:30:23","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e7%94%a8%e4%ba%8eoracle-database-21c%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e9%98%9f%e5%88%97%e6%8a%80%e6%9c%aftransactional-event-queues-teq%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e7%94%a8%e4%ba%8eoracle-database-21c%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e9%98%9f%e5%88%97%e6%8a%80%e6%9c%aftransactional-event-queues-teq%e3%80%82\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528\u9002\u7528\u4e8eOracle Database 21c\u7684\u9ad8\u6027\u80fd\u961f\u5217\u6280\u672f&#8221;Transactional Event Queues (TEQ)&#8221;"},"content":{"rendered":"<h2>\u4ea4\u6613\u4e8b\u4ef6\u961f\u5217\uff08TEQ\uff09\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>TEQ \u7684\u4e3b\u8981\u7279\u70b9\u662f\u4ee5\u8868\u683c\u5f62\u5f0f\u7ba1\u7406\u961f\u5217\uff0c\u5e76\u4e14\u7ee7\u627f\u4e86 Oracle Database \u4f20\u7edf\u4e0a\u5177\u5907\u7684\u6570\u636e\u4e00\u81f4\u6027\u3001\u6027\u80fd\u548c\u53ef\u7528\u6027\u7279\u70b9\uff0c\u53ef\u4ee5\u5e94\u7528\u4e8e\u6392\u961f\u529f\u80fd\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u652f\u6301 Kafka \u7684 Java \u5ba2\u6237\u7aef\uff0c\u53ef\u4ee5\u5c06 Kafka \u7684\u673a\u5236\u66ff\u6362\u4e3a TEQ\u3002<\/p>\n<p>\u9664\u4e86\u5176\u4ed6\u8981\u70b9\u5916\uff0c\u6211\u4ece\u624b\u518c\u4e2d\u6458\u53d6\u4e86\u4e00\u4e9b\u5185\u5bb9\u3002\u5305\u62ec\u4e8b\u52a1\u4e8b\u4ef6\u961f\u5217\u548c\u9ad8\u7ea7\u6392\u961f\u7684\u6982\u8ff0\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Oracle Transactional Event Queues (TEQ)\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7d71\u5408\u578b\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30fb\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0\u6a5f\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ad\u30e5\u30fc\u3054\u3068\u306b\u8907\u6570\u306e\u30a4\u30d9\u30f3\u30c8\u30fb\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4fdd\u6301\u3059\u308b\u9ad8\u6027\u80fd\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5316\u3055\u308c\u305f\u5b9f\u88c5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">TEQ\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8868\u306b\u5b9f\u88c5\u3055\u308c\u308b\u305f\u3081\u3001\u904b\u7528\u4e0a\u306e\u5229\u70b9\u3067\u3042\u308b\u9ad8\u53ef\u7528\u6027\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u304a\u3088\u3073\u4fe1\u983c\u6027\u306e\u3059\u3079\u3066\u304c\u30ad\u30e5\u30fc\u30fb\u30c7\u30fc\u30bf\u306b\u3082\u5f53\u3066\u306f\u307e\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6a19\u6e96\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6a5f\u80fd(\u30ea\u30ab\u30d0\u30ea\u3001\u518d\u8d77\u52d5\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306a\u3069)\u304c\u30b5\u30dd\u30fc\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8868\u3068\u540c\u69d8\u306b\u3001\u30ad\u30e5\u30fc\u8868\u3082\u30a4\u30f3\u30dd\u30fc\u30c8\u304a\u3088\u3073\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u53ef\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u9ad8\u53ef\u7528\u6027\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306bOracle Data Guard\u3092\u30b5\u30dd\u30fc\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a8\u30f3\u30ad\u30e5\u30fc\u304a\u3088\u3073\u30c7\u30ad\u30e5\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5185\u306b\u3042\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30fb\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u7d44\u307f\u5165\u308c\u53ef\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6a19\u6e96\u306eSQL\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u554f\u3044\u5408\u305b\u53ef\u80fd<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5229\u7528\u53ef\u80fd\u306a\u3059\u3079\u3066\u306eSQL\u30c6\u30af\u30ce\u30ed\u30b8(\u30a4\u30f3\u30e1\u30e2\u30ea\u30fc\u30fb\u30e9\u30c3\u30c1\u3084\u8868\u7d22\u5f15\u306a\u3069)\u304c\u4f7f\u7528\u53ef\u80fd<\/ul>\n<h2>\u6211\u5c1d\u8bd5\u901a\u8fc7PL\/SQL\u901a\u8fc7TEQ\u8fdb\u884c\u5165\u961f\u548c\u51fa\u961f\u64cd\u4f5c<\/h2>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u7528\u4e8eTEQ\u7684\u7528\u6237\uff0c\u5e76\u6388\u4e88\u6743\u9650\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">-- \u30e6\u30fc\u30b6\u4f5c\u6210<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">USER<\/span> <span class=\"n\">tequsr<\/span> <span class=\"n\">IDENTIFIED<\/span> <span class=\"k\">BY<\/span> <span class=\"n\">tequsr<\/span> <span class=\"p\">;<\/span>\r\n\r\n<span class=\"c1\">-- \u6a29\u9650\u4ed8\u4e0e<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">SESSION<\/span> <span class=\"k\">TO<\/span> <span class=\"n\">tequsr<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"n\">RESOURCE<\/span> <span class=\"k\">TO<\/span> <span class=\"n\">tequsr<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"n\">UNLIMITED<\/span> <span class=\"n\">TABLESPACE<\/span> <span class=\"k\">TO<\/span> <span class=\"n\">tequsr<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"n\">AQ_USER_ROLE<\/span> <span class=\"k\">TO<\/span> <span class=\"n\">tequsr<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"k\">EXECUTE<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">DBMS_AQ<\/span> <span class=\"k\">TO<\/span> <span class=\"n\">tequsr<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"k\">EXECUTE<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">DBMS_AQADM<\/span> <span class=\"k\">TO<\/span> <span class=\"n\">tequsr<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">GRANT<\/span> <span class=\"k\">EXECUTE<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">DBMS_AQIN<\/span> <span class=\"k\">TO<\/span> <span class=\"n\">tequsr<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u521b\u5efa\u7684\u7528\u6237\u767b\u5f55\u6570\u636e\u5e93\uff0c\u5e76\u521b\u5efaTEQ\u3002<br \/>\n\u672c\u6b21\u5c06\u521b\u5efa\u7528\u4e8e\u5b58\u50a8\u6570\u636e\u5e93\u5bf9\u8c61\u7684\u961f\u5217\u3002<br \/>\n\u6709\u5173\u6bcf\u4e2a\u8fc7\u7a0b\u53c2\u6570\uff0c\u8bf7\u53c2\u9605\u4e0b\u9762\u7684\u624b\u518c\u3002<br \/>\nCREATE_TRANSACTIONAL_EVENT_QUEUE\u8fc7\u7a0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">CREATE<\/span> <span class=\"k\">type<\/span> <span class=\"n\">Message_type<\/span> <span class=\"k\">as<\/span> <span class=\"k\">object<\/span> <span class=\"p\">(<\/span><span class=\"n\">subject<\/span> <span class=\"n\">VARCHAR2<\/span><span class=\"p\">(<\/span><span class=\"mi\">30<\/span><span class=\"p\">),<\/span> <span class=\"nb\">text<\/span> <span class=\"n\">VARCHAR2<\/span><span class=\"p\">(<\/span><span class=\"mi\">80<\/span><span class=\"p\">));<\/span>\r\n<span class=\"o\">\/<\/span>\r\n\r\n<span class=\"k\">BEGIN<\/span>\r\n <span class=\"n\">DBMS_AQADM<\/span><span class=\"p\">.<\/span><span class=\"n\">CREATE_TRANSACTIONAL_EVENT_QUEUE<\/span><span class=\"p\">(<\/span>\r\n     <span class=\"n\">queue_name<\/span>         <span class=\"o\">=&gt;<\/span><span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">storage_clause<\/span>     <span class=\"o\">=&gt;<\/span><span class=\"k\">null<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">multiple_consumers<\/span> <span class=\"o\">=&gt;<\/span><span class=\"k\">true<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">max_retries<\/span>        <span class=\"o\">=&gt;<\/span><span class=\"mi\">10<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"k\">comment<\/span>            <span class=\"o\">=&gt;<\/span><span class=\"s1\">'ObjectType for TEQ'<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">queue_payload_type<\/span> <span class=\"o\">=&gt;<\/span><span class=\"s1\">'Message_type'<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">queue_properties<\/span>   <span class=\"o\">=&gt;<\/span><span class=\"k\">null<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">replication_mode<\/span>   <span class=\"o\">=&gt;<\/span><span class=\"k\">null<\/span><span class=\"p\">);<\/span>\r\n <span class=\"n\">DBMS_AQADM<\/span><span class=\"p\">.<\/span><span class=\"n\">START_QUEUE<\/span> <span class=\"p\">(<\/span><span class=\"n\">queue_name<\/span><span class=\"o\">=&gt;<\/span> <span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">,<\/span> <span class=\"n\">enqueue<\/span> <span class=\"o\">=&gt;<\/span><span class=\"k\">TRUE<\/span><span class=\"p\">,<\/span> <span class=\"n\">dequeue<\/span><span class=\"o\">=&gt;<\/span> <span class=\"k\">True<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">END<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">\/<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e2d\u56fd\u53ea\u9700\u8981\u4e00\u79cd\u9009\u62e9\u7684\u60c5\u51b5\u4e0b\uff0c\u7528\u4e2d\u6587\u8f6c\u8ff0\u5982\u4e0b\uff1a<br \/>\n\u9009\u62e9\u4ee5\u4e0b\u7c7b\u578b\uff0c\u5176\u4e2d\u6570\u636e\u7c7b\u578b\u7531\u201cqueue_payload_type\u201d\u6307\u5b9a\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Message_type<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">RAW<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JSON<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">JMS<\/ul>\n<p>\u63a5\u4e0b\u6765\u521b\u5efa\u8ba2\u9605\u8005\u3002<br \/>\n\u6dfb\u52a0\u8ba2\u9605\u8005\u8fc7\u7a0b\u3002<br \/>\nAQ$_AGENT\u7c7b\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">BEGIN<\/span>\r\n<span class=\"n\">DBMS_AQADM<\/span><span class=\"p\">.<\/span><span class=\"n\">ADD_SUBSCRIBER<\/span><span class=\"p\">(<\/span>\r\n     <span class=\"n\">queue_name<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">subscriber<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"n\">sys<\/span><span class=\"p\">.<\/span><span class=\"n\">aq<\/span><span class=\"err\">$<\/span><span class=\"n\">_agent<\/span><span class=\"p\">(<\/span><span class=\"s1\">'teqBasicObjSubscriber'<\/span><span class=\"p\">,<\/span> <span class=\"k\">null<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">),<\/span>\r\n     <span class=\"k\">rule<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'correlation = <\/span><span class=\"se\">''<\/span><span class=\"s1\">teqBasicObjSubscriber<\/span><span class=\"se\">''<\/span><span class=\"s1\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">END<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">\/<\/span>\r\n<\/code><\/pre>\n<p>\u56e0\u4e3a\u5df2\u7ecf\u505a\u597d\u4e86\u9884\u5148\u51c6\u5907\uff0c\u6240\u4ee5\u73b0\u5728\u5c06\u6d88\u606f\u5165\u961f\u3002<br \/>\n\u8fd9\u6b21\u5c06\u5c1d\u8bd5\u5c06\u65f6\u949f\u4fe1\u606f\u4f5c\u4e3a\u6d88\u606f\u5165\u961f\u3002<br \/>\n\u5165\u961f\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">DECLARE<\/span>\r\n <span class=\"n\">enqueue_options<\/span>     <span class=\"n\">dbms_aq<\/span><span class=\"p\">.<\/span><span class=\"n\">enqueue_options_t<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">message_properties<\/span>  <span class=\"n\">dbms_aq<\/span><span class=\"p\">.<\/span><span class=\"n\">message_properties_t<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">message_handle<\/span>      <span class=\"n\">RAW<\/span><span class=\"p\">(<\/span><span class=\"mi\">16<\/span><span class=\"p\">);<\/span>\r\n <span class=\"n\">message<\/span>             <span class=\"n\">Message_type<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">dateinfo<\/span>            <span class=\"nb\">VARCHAR<\/span><span class=\"p\">(<\/span><span class=\"mi\">20<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"k\">BEGIN<\/span>\r\n <span class=\"k\">SELECT<\/span> <span class=\"n\">TO_CHAR<\/span><span class=\"p\">(<\/span><span class=\"n\">sysdate<\/span><span class=\"p\">,<\/span><span class=\"s1\">'YYYY-MM-DD HH24:MI:SS'<\/span><span class=\"p\">)<\/span> <span class=\"k\">INTO<\/span> <span class=\"n\">dateinfo<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">dual<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">message<\/span> <span class=\"p\">:<\/span><span class=\"o\">=<\/span> <span class=\"n\">Message_type<\/span><span class=\"p\">(<\/span><span class=\"s1\">'TIME'<\/span><span class=\"p\">,<\/span> <span class=\"n\">dateinfo<\/span><span class=\"p\">);<\/span>\r\n <span class=\"n\">message_properties<\/span><span class=\"p\">.<\/span><span class=\"n\">correlation<\/span> <span class=\"p\">:<\/span><span class=\"o\">=<\/span> <span class=\"s1\">'teqBasicObjSubscriber'<\/span><span class=\"p\">;<\/span>\r\n\r\n <span class=\"n\">DBMS_AQ<\/span><span class=\"p\">.<\/span><span class=\"n\">ENQUEUE<\/span><span class=\"p\">(<\/span>\r\n     <span class=\"n\">queue_name<\/span>           <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">enqueue_options<\/span>      <span class=\"o\">=&gt;<\/span> <span class=\"n\">enqueue_options<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">message_properties<\/span>   <span class=\"o\">=&gt;<\/span> <span class=\"n\">message_properties<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">payload<\/span>              <span class=\"o\">=&gt;<\/span> <span class=\"n\">message<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">msgid<\/span>                <span class=\"o\">=&gt;<\/span> <span class=\"n\">message_handle<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">COMMIT<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">END<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">\/<\/span>\r\n<\/code><\/pre>\n<p>\u5c06\u6d88\u606f\u51fa\u961f\u3002<\/p>\n<p>\u51fa\u961f\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SET<\/span> <span class=\"n\">SERVEROUTPUT<\/span> <span class=\"k\">ON<\/span>\r\n\r\n<span class=\"k\">DECLARE<\/span>\r\n    <span class=\"n\">dequeue_options<\/span>     <span class=\"n\">dbms_aq<\/span><span class=\"p\">.<\/span><span class=\"n\">dequeue_options_t<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">message_properties<\/span>  <span class=\"n\">dbms_aq<\/span><span class=\"p\">.<\/span><span class=\"n\">message_properties_t<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">message_handle<\/span>      <span class=\"n\">RAW<\/span><span class=\"p\">(<\/span><span class=\"mi\">16<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">message<\/span>             <span class=\"n\">Message_type<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">BEGIN<\/span>\r\n    <span class=\"n\">dequeue_options<\/span><span class=\"p\">.<\/span><span class=\"n\">dequeue_mode<\/span>  <span class=\"p\">:<\/span><span class=\"o\">=<\/span> <span class=\"n\">DBMS_AQ<\/span><span class=\"p\">.<\/span><span class=\"n\">REMOVE<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">dequeue_options<\/span><span class=\"p\">.<\/span><span class=\"n\">wait<\/span>          <span class=\"p\">:<\/span><span class=\"o\">=<\/span> <span class=\"n\">DBMS_AQ<\/span><span class=\"p\">.<\/span><span class=\"n\">NO_WAIT<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">dequeue_options<\/span><span class=\"p\">.<\/span><span class=\"n\">navigation<\/span>    <span class=\"p\">:<\/span><span class=\"o\">=<\/span> <span class=\"n\">DBMS_AQ<\/span><span class=\"p\">.<\/span><span class=\"n\">FIRST_MESSAGE<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">dequeue_options<\/span><span class=\"p\">.<\/span><span class=\"n\">consumer_name<\/span> <span class=\"p\">:<\/span><span class=\"o\">=<\/span> <span class=\"s1\">'teqBasicObjSubscriber'<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"n\">DBMS_AQ<\/span><span class=\"p\">.<\/span><span class=\"n\">DEQUEUE<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"n\">queue_name<\/span>         <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">dequeue_options<\/span>    <span class=\"o\">=&gt;<\/span> <span class=\"n\">dequeue_options<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">message_properties<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"n\">message_properties<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">payload<\/span>            <span class=\"o\">=&gt;<\/span> <span class=\"n\">message<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">msgid<\/span>              <span class=\"o\">=&gt;<\/span> <span class=\"n\">message_handle<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"n\">DBMS_OUTPUT<\/span><span class=\"p\">.<\/span><span class=\"n\">PUT_LINE<\/span><span class=\"p\">(<\/span><span class=\"s1\">'Message: '<\/span> <span class=\"o\">||<\/span> <span class=\"n\">message<\/span><span class=\"p\">.<\/span><span class=\"n\">subject<\/span> <span class=\"o\">||<\/span> <span class=\"s1\">' ... '<\/span> <span class=\"o\">||<\/span> <span class=\"n\">message<\/span><span class=\"p\">.<\/span><span class=\"nb\">text<\/span> <span class=\"p\">);<\/span>\r\n    <span class=\"k\">COMMIT<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">END<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">\/<\/span>\r\n<\/code><\/pre>\n<p>\u6267\u884c\u4e0a\u8ff0\u64cd\u4f5c\u540e\uff0c\u5c06\u4f1a\u5728\u6807\u51c6\u8f93\u51fa\u4e2d\u8f93\u51fa\u4ee5\u4e0b\u6267\u884c\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code>Message: TIME ... 2022-04-21 09:00:24\r\n<\/code><\/pre>\n<p>\u5c06\u6700\u65b0\u521b\u5efa\u7684TEQ\u76f8\u5173\u5bf9\u8c61\u5220\u9664\u5e76\u6062\u590d\u5230\u539f\u6765\u7684\u72b6\u6001\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">-- subscriber\u306e\u524a\u9664<\/span>\r\n<span class=\"k\">BEGIN<\/span>\r\n<span class=\"n\">DBMS_AQADM<\/span><span class=\"p\">.<\/span><span class=\"n\">REMOVE_SUBSCRIBER<\/span><span class=\"p\">(<\/span>\r\n     <span class=\"n\">queue_name<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">,<\/span>\r\n     <span class=\"n\">subscriber<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"n\">sys<\/span><span class=\"p\">.<\/span><span class=\"n\">aq<\/span><span class=\"err\">$<\/span><span class=\"n\">_agent<\/span><span class=\"p\">(<\/span><span class=\"s1\">'teqBasicObjSubscriber'<\/span><span class=\"p\">,<\/span> <span class=\"k\">null<\/span> <span class=\"p\">,<\/span><span class=\"mi\">0<\/span><span class=\"p\">));<\/span>\r\n<span class=\"k\">END<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">\/<\/span>\r\n\r\n<span class=\"c1\">-- \u30ad\u30e5\u30fc\u306e\u505c\u6b62<\/span>\r\n<span class=\"k\">Execute<\/span> <span class=\"n\">DBMS_AQADM<\/span><span class=\"p\">.<\/span><span class=\"n\">STOP_QUEUE<\/span> <span class=\"p\">(<\/span><span class=\"n\">queue_name<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">-- \u30ad\u30e5\u30fc\u306e\u524a\u9664<\/span>\r\n<span class=\"k\">Execute<\/span> <span class=\"n\">DBMS_AQADM<\/span><span class=\"p\">.<\/span><span class=\"n\">DROP_TRANSACTIONAL_EVENT_QUEUE<\/span><span class=\"p\">(<\/span><span class=\"n\">queue_name<\/span> <span class=\"o\">=&gt;<\/span><span class=\"s1\">'objType_TEQ'<\/span><span class=\"p\">,<\/span> <span class=\"k\">force<\/span><span class=\"o\">=&gt;<\/span> <span class=\"k\">TRUE<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">-- \u691c\u8a3c\u7528\u306b\u4f5c\u6210\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30fb\u30bf\u30a4\u30d7\u300cMessage_type\u300d\u306e\u524a\u9664<\/span>\r\n<span class=\"k\">DROP<\/span> <span class=\"k\">TYPE<\/span> <span class=\"n\">Message_type<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<h2>\u603b\u7ed3 ji\u00e9)<\/h2>\n<p>\u6211\u5df2\u7ecf\u4ecb\u7ecd\u4e86TEQ\u7684\u6982\u8ff0\u548c\u7b80\u5355\u7684\u4f7f\u7528\u6b65\u9aa4\u3002<br \/>\n\u5982\u679c\u60a8\u5df2\u7ecf\u5728\u4f7f\u7528Oracle Database\uff0c\u60a8\u65e0\u9700\u5f15\u5165\u5176\u4ed6\u4ea7\u54c1\u5373\u53ef\u5f15\u5165\u961f\u5217\u3002<br \/>\n\u6b64\u5916\uff0cTEQ\u53ef\u4ee5\u66ff\u4ee3\u5206\u5e03\u5f0f\u4e8b\u52a1\u673a\u5236\uff0c\u4f7f\u4f53\u7cfb\u7ed3\u6784\u66f4\u52a0\u7b80\u5355\u3002<br \/>\nTEQ\u4e5f\u53ef\u4ee5\u5728\u514d\u8d39\u7684Oracle Database 21c XE\u4e2d\u4f7f\u7528\uff0c\u6240\u4ee5\u8bf7\u968f\u610f\u8bd5\u7528\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ea4\u6613\u4e8b\u4ef6\u961f\u5217\uff08TEQ\uff09\u662f\u4ec0\u4e48\uff1f TEQ \u7684\u4e3b\u8981\u7279\u70b9\u662f\u4ee5\u8868\u683c\u5f62\u5f0f\u7ba1\u7406\u961f\u5217\uff0c\u5e76\u4e14\u7ee7\u627f\u4e86 Oracle Databa [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47131","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-04-02T15:17:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T01:30:23+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u96c5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u96c5\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e7%94%a8%e4%ba%8eoracle-database-21c%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e9%98%9f%e5%88%97%e6%8a%80%e6%9c%aftransactional-event-queues-teq%e3%80%82\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8%e9%80%82%e7%94%a8%e4%ba%8eoracle-database-21c%e7%9a%84%e9%ab%98%e6%80%a7%e8%83%bd%e9%98%9f%e5%88%97%e6%8a%80%e6%9c%aftransactional-event-queues-teq%e3%80%82\/\",\"name\":\"\u5c1d\u8bd5\u4f7f\u7528\u9002\u7528\u4e8eOracle Database 21c\u7684\u9ad8\u6027\u80fd\u961f\u5217\u6280\u672f\\\"Transactional Event Queues (TEQ)\\\" - 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