{"id":68,"date":"2008-03-13T00:32:34","date_gmt":"2008-03-13T04:32:34","guid":{"rendered":"http:\/\/www.prglab.com\/blog\/p\/68"},"modified":"2008-03-13T00:32:34","modified_gmt":"2008-03-13T04:32:34","slug":"abap%e5%86%85%e8%a1%a8internal-table%e6%9c%89%e5%85%b3%e7%9a%84%e7%b3%bb%e7%bb%9f%e5%8f%98%e9%87%8f","status":"publish","type":"post","link":"https:\/\/www.prglab.com\/blog\/p\/68","title":{"rendered":"ABAP\u5185\u8868(internal table)\u6709\u5173\u7684\u7cfb\u7edf\u53d8\u91cf"},"content":{"rendered":"

SY-TABIX <\/strong>— \u5185\u8868\u5f53\u524d\u884c\u7684\u7d22\u5f15\u53f7\u3002SY-TABIX \u7684\u503c\u53ef\u4ee5\u88ab\u4ee5\u4e0b\u547d\u4ee4\u4fee\u6539\uff0c\u4f46\u662f\u53ea\u9002\u7528\u4e8e\u7d22\u5f15\u8868(index table)\u3002\u5bf9\u4e8e\u54c8\u5e0c\u8868(Hashed table)\uff0c\u8fd9\u4e2a\u7cfb\u7edf\u53d8\u91cf\u7684\u503c\u4e3a\u7a7a\u62160\u3002<\/p>\n

    \n
  1. APPEND \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u8868\u6700\u540e\u4e00\u884c\u7684\u7d22\u5f15\u53f7\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u5c06\u7b49\u4e8e\u5185\u8868\u7684\u884c\u6570\u3002<\/li>\n
  2. COLLECT \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u73b0\u6709\u6216\u521a\u521a\u63d2\u5165\u7684\u884c\u7684\u7d22\u5f15\u53f7\u3002\u5982\u679c\u5185\u8868\u4e3a\u54c8\u5e0c(hashed table)\u8868\u7684\u8bdd\uff0cSY-TABIX \u88ab\u7f6e\u4e3a0\u3002<\/li>\n
  3. LOOP AT \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u6bcf\u4e00\u6b21\u5faa\u73af\u5f00\u59cb\u65f6\u7684\u5f53\u524d\u884c\u7d22\u5f15\u53f7\uff0c\u5728\u6574\u4e2a\u5faa\u73af\u7684\u7ed3\u675f\u65f6 SY-TABIX \u88ab\u6062\u590d\u4e3a\u5b83\u5728\u8fdb\u5165\u5faa\u73af\u4e4b\u524d\u7684\u503c\u3002\u5bf9\u4e8e\u54c8\u5e0c\u8868(hashed table)\uff0c\u5b83\u7684\u503c\u4e3a0\u3002<\/li>\n
  4. READ TABLE \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u88ab\u8bfb\u53d6\u7684\u884c\u7684\u7d22\u5f15\u53f7\u3002\u5982\u679c\u4f7f\u7528\u4e8c\u5206\u67e5\u627e(binary search)\uff0c\u800c\u6ca1\u6709\u627e\u5230\u7684\u8bdd\uff0cSY-TABIX \u5c06\u7b49\u4e8e\u6240\u6709\u884c\u6570\u6216\u884c\u6570\u52a01\u3002\u5982\u679c\u662f\u4f7f\u7528\u987a\u5e8f\u67e5\u627e\u800c\u6ca1\u6709\u627e\u5230\u7684\u8bdd\uff0cSY-INDEX \u6ca1\u6709\u5b9a\u4e49\u3002<\/li>\n
  5. SEARCH <itab> FOR \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u627e\u5230\u8981\u67e5\u627e\u5b57\u7b26\u4e32\u6240\u5728\u7684\u884c\u7684\u7d22\u5f15\u53f7\u3002<\/li>\n<\/ol>\n

    SY-TFILL<\/strong> — \u5728\u4f7f\u7528\u547d\u4ee4 DESCRIBE TABLE\u3001LOOP AT\u3001 \u548c READ TABLE\u4e4b\u540e\uff0cSY-TFILL \u7684\u503c\u4e3a\u76f8\u5e94\u5185\u8868\u7684\u884c\u6570\u3002<\/p>\n

    SY-TLENG<\/strong> — \u5728\u4f7f\u7528\u547d\u4ee4 DESCRIBE TABLE\u3001LOOP AT\u3001\u548c READ TABLE\u4e4b\u540e\uff0cSY-TLENG \u7684\u503c\u4e3a\u76f8\u5e94\u5185\u8868\u7684\u884c\u7684\u957f\u5ea6\u3002<\/p>\n

    SY-TOCCU<\/strong> —\u00a0\u5728\u4f7f\u7528\u547d\u4ee4 DESCRIBE TABLE\u3001LOOP AT\u3001\u548c READ TABLE\u4e4b\u540e\uff0cSY-TLENG \u7684\u503c\u4e3a\u76f8\u5e94\u5185\u8868\u6240\u5360\u7528\u7684\u5185\u5b58\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    SY-TABIX — \u5185\u8868\u5f53\u524d\u884c\u7684\u7d22\u5f15\u53f7\u3002SY-TABIX \u7684\u503c\u53ef\u4ee5\u88ab\u4ee5\u4e0b\u547d\u4ee4\u4fee\u6539\uff0c\u4f46\u662f\u53ea\u9002\u7528\u4e8e\u7d22\u5f15\u8868(index table)\u3002\u5bf9\u4e8e\u54c8\u5e0c\u8868(Hashed table)\uff0c\u8fd9\u4e2a\u7cfb\u7edf\u53d8\u91cf\u7684\u503c\u4e3a\u7a7a\u62160\u3002 APPEND \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u8868\u6700\u540e\u4e00\u884c\u7684\u7d22\u5f15\u53f7\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u5c06\u7b49\u4e8e\u5185\u8868\u7684\u884c\u6570\u3002 COLLECT \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u73b0\u6709\u6216\u521a\u521a\u63d2\u5165\u7684\u884c\u7684\u7d22\u5f15\u53f7\u3002\u5982\u679c\u5185\u8868\u4e3a\u54c8\u5e0c(hashed table)\u8868\u7684\u8bdd\uff0cSY-TABIX \u88ab\u7f6e\u4e3a0\u3002 LOOP AT \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u6bcf\u4e00\u6b21\u5faa\u73af\u5f00\u59cb\u65f6\u7684\u5f53\u524d\u884c\u7d22\u5f15\u53f7\uff0c\u5728\u6574\u4e2a\u5faa\u73af\u7684\u7ed3\u675f\u65f6 SY-TABIX \u88ab\u6062\u590d\u4e3a\u5b83\u5728\u8fdb\u5165\u5faa\u73af\u4e4b\u524d\u7684\u503c\u3002\u5bf9\u4e8e\u54c8\u5e0c\u8868(hashed table)\uff0c\u5b83\u7684\u503c\u4e3a0\u3002 READ TABLE \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u88ab\u8bfb\u53d6\u7684\u884c\u7684\u7d22\u5f15\u53f7\u3002\u5982\u679c\u4f7f\u7528\u4e8c\u5206\u67e5\u627e(binary search)\uff0c\u800c\u6ca1\u6709\u627e\u5230\u7684\u8bdd\uff0cSY-TABIX \u5c06\u7b49\u4e8e\u6240\u6709\u884c\u6570\u6216\u884c\u6570\u52a01\u3002\u5982\u679c\u662f\u4f7f\u7528\u987a\u5e8f\u67e5\u627e\u800c\u6ca1\u6709\u627e\u5230\u7684\u8bdd\uff0cSY-INDEX \u6ca1\u6709\u5b9a\u4e49\u3002 SEARCH <itab> FOR \u5c06 SY-TABIX \u7684\u503c\u7f6e\u4e3a\u627e\u5230\u8981\u67e5\u627e\u5b57\u7b26\u4e32\u6240\u5728\u7684\u884c\u7684\u7d22\u5f15\u53f7\u3002 SY-TFILL — \u5728\u4f7f\u7528\u547d\u4ee4 DESCRIBE TABLE\u3001LOOP AT\u3001 \u548c READ TABLE\u4e4b\u540e\uff0cSY-TFILL \u7684\u503c\u4e3a\u76f8\u5e94\u5185\u8868\u7684\u884c\u6570\u3002 SY-TLENG — \u5728\u4f7f\u7528\u547d\u4ee4 DESCRIBE TABLE\u3001LOOP AT\u3001\u548c READ […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/posts\/68"}],"collection":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/comments?post=68"}],"version-history":[{"count":0,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/posts\/68\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/media?parent=68"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/categories?post=68"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/tags?post=68"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}