{"id":21303,"date":"2024-01-02T07:08:21","date_gmt":"2024-01-02T07:08:21","guid":{"rendered":"https:\/\/server.hk\/blog\/21303\/"},"modified":"2024-11-14T10:37:11","modified_gmt":"2024-11-14T02:37:11","slug":"how-to-fix-postgresql-error-code-2200c-invalid_use_of_escape_character","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21303\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2200C – invalid_use_of_escape_character"},"content":{"rendered":"

\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2200C – invalid_use_of_escape_character<\/h1>\n

\u7c21\u4ecb\uff1a<\/h2>\n

PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u958b\u767c\u4eba\u54e1\u548c\u4f01\u696d\u3002\u4e0d\u904e\uff0c\u8207\u6240\u6709\u8edf\u4ef6\u4e00\u6a23\uff0c\u5b83\u6709\u6642\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u932f\u8aa4\uff0c\u5f9e\u800c\u5f71\u97ff\u5176\u6b63\u5e38\u904b\u884c\u3002\u7576\u4e2d\u4e00\u500b\u932f\u8aa4\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2200C – invalid_use_of_escape_character\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u6210\u56e0\uff0c\u4e26\u63d0\u4f9b\u9010\u6b65\u89e3\u6c7a\u65b9\u6848\u4f86\u4fee\u5fa9\u5b83\u3002<\/p>\n

\u4e86\u89e3 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2200C\uff1a<\/h2>\n

\u7576 PostgreSQL \u5075\u6e2c\u5230\u7121\u6548\u4f7f\u7528\u7684\u8df3\u812b\u5b57\u7b26\uff08escape character\uff09\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u932f\u8aa4\u4ee3\u78bc 2200C\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u662f\u5728\u5b57\u4e32\u6587\u672c\u6216\u6b63\u5247\u8868\u9054\u5f0f\u6a21\u5f0f\u4e2d\u4e0d\u6b63\u78ba\u5730\u4f7f\u7528\u8df3\u812b\u5b57\u7b26\u6642\u51fa\u73fe\u7684\u3002<\/p>\n

PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2200C \u7684\u6210\u56e0\uff1a<\/h2>\n
    \n
  1. \u8df3\u812b\u5b57\u7b26\u4f7f\u7528\u4e0d\u7576\uff1a<\/strong> PostgreSQL \u4f7f\u7528\u53cd\u659c\u6760 (\\<\/code>) \u4f5c\u70ba\u8df3\u812b\u5b57\u7b26\u3002\u5982\u679c\u53cd\u659c\u6760\u4f7f\u7528\u4e0d\u6b63\u78ba\u6216\u5728\u4e0d\u652f\u6301\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\uff0c\u5c31\u53ef\u80fd\u6703\u5c0e\u81f4\u932f\u8aa4\u3002<\/li>\n
  2. \u5f15\u865f\u4e0d\u5339\u914d\uff1a<\/strong> \u9019\u500b\u932f\u8aa4\u9084\u53ef\u80fd\u7531\u5b57\u4e32\u6587\u672c\u4e2d\u7684\u5f15\u865f\u4e0d\u5e73\u8861\u6240\u89f8\u767c\uff0c\u4f8b\u5982\u958b\u555f\u548c\u95dc\u9589\u7684\u5f15\u865f\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ol>\n

    \u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2200C \u7684\u65b9\u6848\uff1a<\/h2>\n

    1. \u6aa2\u67e5\u932f\u8aa4\u7684\u8df3\u812b\u5b57\u7b26\u4f7f\u7528\uff1a<\/h3>\n

    \u6aa2\u67e5\u767c\u751f\u932f\u8aa4\u7684\u67e5\u8a62\u6216\u4ee3\u78bc\uff0c\u78ba\u4fdd\u53cd\u659c\u6760 (\\<\/code>) \u4f5c\u70ba\u8df3\u812b\u5b57\u7b26\u6b63\u78ba\u4f7f\u7528\u3002\u53cd\u659c\u6760\u61c9\u8a72\u53ea\u5728\u9700\u8981\u8df3\u812b\u7684\u5b57\u7b26\u524d\u4f7f\u7528\uff0c\u4f8b\u5982\u55ae\u5f15\u865f ('<\/code>)\u3001\u96d9\u5f15\u865f (\"<\/code>) \u6216\u53cd\u659c\u6760\u672c\u8eab\u3002<\/p>\n

    \u7bc4\u4f8b\uff1a<\/p>\n

    SELECT '\u9019\u662f\u4e00\u500b\u5305\u542b\u8df3\u812b\u55ae\u5f15\u865f\u7684\u5b57\u4e32\u793a\u4f8b\uff1a''\u793a\u4f8b''' AS result;<\/code><\/pre>\n
    2. \u78ba\u8a8d\u5f15\u865f\u662f\u5426\u5339\u914d\uff1a<\/h3>\n
    \u5982\u679c\u932f\u8aa4\u4f9d\u7136\u5b58\u5728\uff0c\u8acb\u6aa2\u67e5\u5b57\u4e32\u6587\u672c\u4e2d\u7684\u5f15\u865f\u662f\u5426\u5e73\u8861\u3002\u78ba\u4fdd\u958b\u555f\u548c\u95dc\u9589\u7684\u5f15\u865f\u6b63\u78ba\u5339\u914d\u3002<\/p>\n
    \u7bc4\u4f8b\uff1a<\/p>\n
    SELECT '\u9019\u662f\u4e00\u500b\u5f15\u865f\u5e73\u8861\u7684\u5b57\u4e32' AS result;<\/code><\/pre>\n
    3. \u4f7f\u7528 E’…’ \u8a9e\u6cd5\u8655\u7406\u8df3\u812b\u5b57\u7b26\uff1a<\/h3>\n
    \u5982\u679c\u932f\u8aa4\u4ecd\u672a\u89e3\u6c7a\uff0c\u8acb\u8003\u616e\u4f7f\u7528 E’…’ \u8a9e\u6cd5\u8655\u7406\u9700\u8981\u8df3\u812b\u5b57\u7b26\u7684\u5b57\u4e32\u6587\u672c\u3002\u9019\u7a2e\u8a9e\u6cd5\u5141\u8a31\u60a8\u4f7f\u7528\u5982 \\n<\/code> \u8868\u793a\u63db\u884c\u7b26\u6216 \\t<\/code> \u8868\u793a\u88fd\u8868\u7b26\u7b49\u8df3\u812b\u5e8f\u5217\u3002<\/p>\n
    \u7bc4\u4f8b\uff1a<\/p>\n
    SELECT E'\u9019\u662f\u4e00\u500b\u5305\u542b\u63db\u884c\u7b26\u7684\u5b57\u4e32\uff1a\\n' AS result;<\/code><\/pre>\n
    4. \u4f7f\u7528\u7f8e\u5143\u7b26\u865f\u5f15\u865f\u8a9e\u6cd5\uff1a<\/h3>\n
    \u5982\u679c\u524d\u9762\u7684\u89e3\u6c7a\u65b9\u6848\u7121\u6cd5\u89e3\u6c7a\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u5617\u8a66\u4f7f\u7528\u7f8e\u5143\u7b26\u865f\u5f15\u865f\u8a9e\u6cd5\u3002\u9019\u7a2e\u8a9e\u6cd5\u5141\u8a31\u60a8\u5b9a\u7fa9\u4e00\u500b\u5b57\u4e32\u6587\u672c\uff0c\u800c\u7121\u9700\u64d4\u5fc3\u8df3\u812b\u5b57\u7b26\u3002<\/p>\n
    \u7bc4\u4f8b\uff1a<\/p>\n
    SELECT $$\u9019\u662f\u4e00\u500b\u5177\u6709\u4efb\u610f\u5b9a\u754c\u7b26\u7684\u5b57\u4e32\uff1a$\u793a\u4f8b$$$ AS result;<\/code><\/pre>\n
    \u7e3d\u7d50\uff1a<\/h2>\n
    PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a2200C – invalid_use_of_escape_character \u53ef\u4ee5\u901a\u904e\u78ba\u4fdd\u6b63\u78ba\u4f7f\u7528\u8df3\u812b\u5b57\u7b26\u3001\u9a57\u8b49\u5f15\u865f\u662f\u5426\u5e73\u8861\uff0c\u4ee5\u53ca\u4f7f\u7528\u66ff\u4ee3\u5b57\u4e32\u8a9e\u6cd5\u5982 E’…’ \u6216\u7f8e\u5143\u7b26\u865f\u5f15\u865f\u4f86\u89e3\u6c7a\u3002\u5982\u679c\u60a8\u5728\u4f7f\u7528 PostgreSQL \u6642\u9047\u5230\u6b64\u932f\u8aa4\uff0cServer.HK<\/a> \u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6548\u7684 VPS \u8a17\u7ba1\u65b9\u6848\u3002\u6211\u5011\u7684 \u9999\u6e2f VPS \u8a17\u7ba1\u670d\u52d9<\/a> \u662f\u904b\u884c PostgreSQL \u53ca\u5176\u4ed6\u61c9\u7528\u7a0b\u5f0f\u7684\u7406\u60f3\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u4fee\u5fa9 PostgreSQL ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21303","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21303"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21303\/revisions"}],"predecessor-version":[{"id":24213,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21303\/revisions\/24213"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}