{"Entry":{"collection":"psql","key":"cmd-63-6c-6f-73-65-5f-70-72-65-70-61-72-65-64","name":"\\close_prepared","aliases":["\\close_prepared"],"metadata":{"aliases":["\\close_prepared"],"category":"Query execution","content_hash":"0ace0b98bb248467bbbe8b6e798179490ef60fb46fdb5d80064556106bb8ae90","derived_content_hash":"c56943c873c0a93142e2664ccc44842d466b6d9e61cfd0b98f0b17671079537e","documentation_refresh":{"batch":"20261113","original_source_rev":"","versions":{"18":"18.7","19":"19rc2"}},"imported_at":"2026-09-30T00:40:44.721996+08:00","name":"\\close_prepared","name_zh":"","slug":"cmd-63-6c-6f-73-65-5f-70-72-65-70-61-72-65-64","summary":"Closes the specified prepared statement. An empty string denotes the unnamed prepared statement. 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So this command can be useful to test the extended query protocol from psql .","modifiers":[],"signature":"\\close_prepared prepared_statement_name","spellings":["\\close_prepared"]},"comparison_hash":"a429097da746d7cc72c4687c6eedc74180a11ef8013888767ed80b807bfb62dc","description":["Closes the specified prepared statement. An empty string denotes the unnamed prepared statement. If no prepared statement exists with this name, the operation is a no-op."],"description_zh":"关闭指定的预备语句。空字符串表示未命名的预备语句。如果不存在该名称的预备语句，则不执行任何操作。","description_zh_html":"\u003cdd\u003e\u003cp\u003e\n         关闭指定的预备语句。空字符串表示未命名的预备语句。如果不存在该名称的预备语句，则不执行任何操作。\n        \u003c/p\u003e\u003cp\u003e\n         示例：\n\u003c/p\u003e\u003cpre class=\"programlisting\"\u003e\nSELECT $1 \\parse stmt1\n\\close_prepared stmt1\n\u003c/pre\u003e\u003cp\u003e\n\u003c/p\u003e\u003cp\u003e\n         此命令会使用扩展查询协议，不同于 \u003cspan class=\"application\"\u003epsql\u003c/span\u003e 通常使用的简单查询协议。因此，可以用它在 \u003cspan class=\"application\"\u003epsql\u003c/span\u003e 中测试扩展查询协议。\n        \u003c/p\u003e\u003c/dd\u003e","documentation_revision":{"inputs":[{"file":"app-psql.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"af50448485df02bdef2b72b8347192ba029c7082b8d0392ecb17db44ad533aaf","version":"18.7"},{"file":"app-psql.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"cb475c53a16d9e06358f5e6c9c5649645db92568cfd319f230c62c9f57ae090b","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"},"facts":[{"label":"Client","value":"psql 18.7"},{"label":"Case-sensitive spelling","value":"\\close_prepared"}],"facts_zh":[{"label":"客户端","value":"psql 18.7"},{"label":"区分大小写的写法","value":"\\close_prepared"}],"localization":{"documentation_release":"18.7","language":"en","source_language":"en","source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552","status":"same-version-reviewed-manual"},"manual_html":"\u003cdiv\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-CLOSE-PREPARED\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003e\\close_prepared\u003c/code\u003e \u003cem class=\"replaceable\"\u003e\u003ccode\u003eprepared_statement_name\u003c/code\u003e\u003c/em\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n         Closes the specified prepared statement. An empty string denotes the\n         unnamed prepared statement. If no prepared statement exists with this\n         name, the operation is a no-op.\n        \u003c/p\u003e\u003cp\u003e\n         Example:\n\u003c/p\u003e\u003cpre class=\"programlisting\"\u003eSELECT $1 \\parse stmt1\n\\close_prepared stmt1\n\u003c/pre\u003e\u003cp\u003e\n\u003c/p\u003e\u003cp\u003e\n         This command causes the extended query protocol to be used,\n         unlike normal \u003cspan class=\"application\"\u003epsql\u003c/span\u003e operation, which\n         uses the simple query protocol. 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An empty string denotes the unnamed prepared statement. If no prepared statement exists with this name, the operation is a no-op.","BodyHTML":"\u003cdiv\u003e\u003cdl\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-CLOSE-PREPARED\"\u003e\u003cspan\u003e\u003ccode\u003e\\close_prepared\u003c/code\u003e \u003cem\u003e\u003ccode\u003eprepared_statement_name\u003c/code\u003e\u003c/em\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n         Closes the specified prepared statement. An empty string denotes the\n         unnamed prepared statement. If no prepared statement exists with this\n         name, the operation is a no-op.\n        \u003c/p\u003e\u003cp\u003e\n         Example:\n\u003c/p\u003e\u003cpre\u003eSELECT $1 \\parse stmt1\n\\close_prepared stmt1\n\u003c/pre\u003e\u003cp\u003e\n\u003c/p\u003e\u003cp\u003e\n         This command causes the extended query protocol to be used,\n         unlike normal \u003cspan\u003epsql\u003c/span\u003e operation, which\n         uses the simple query protocol. So this command can be useful\n         to test the extended query protocol from\n         \u003cspan\u003epsql\u003c/span\u003e.\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","SourceRevision":"1b2d62b4845aa46374f2cb680f95d3392322cc8128646992ae4e18d0e7084915","ContentHash":"9fd95a801b0dbbe1cf83f6ae287d4d77d8d44092d70ba97b95e4d0467b86be95","Payload":{"description":["Closes the specified prepared statement. An empty string denotes the unnamed prepared statement. 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If no prepared statement exists with this\n         name, the operation is a no-op.\n        \u003c/p\u003e\u003cp\u003e\n         Example:\n\u003c/p\u003e\u003cpre class=\"programlisting\"\u003eSELECT $1 \\parse stmt1\n\\close_prepared stmt1\n\u003c/pre\u003e\u003cp\u003e\n\u003c/p\u003e\u003cp\u003e\n         This command causes the extended query protocol to be used,\n         unlike normal \u003cspan class=\"application\"\u003epsql\u003c/span\u003e operation, which\n         uses the simple query protocol. So this command can be useful\n         to test the extended query protocol from\n         \u003cspan class=\"application\"\u003epsql\u003c/span\u003e.\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","related":[{"label":"psql command-line options and complete manual","url":"/wiki/tool/psql/?v=18"}],"sections":[],"tables":[{"columns":[{"key":"command","label":"Command"},{"key":"modifiers","label":"Documented suffix modifiers"}],"key":"spellings","rows":[{"command":{"text":"\\close_prepared","url":"/wiki/psql/cmd-63-6c-6f-73-65-5f-70-72-65-70-61-72-65-64/?v=18"},"modifiers":"None listed in this signature"}],"title":"Spellings in this manual definition"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":[{"Version":"18","Ordinal":0,"Command":"\\close_prepared","Signature":"\\close_prepared prepared_statement_name","Modifiers":[]}],"SQLState":null,"Evidence":null}