{"Entry":{"collection":"sqlstate","key":"2203C","name":"2203C","aliases":[],"metadata":{"aliases":[],"case_count":0,"class_code":"22","condition_name":"sql_json_object_not_found","condition_names":["sql_json_object_not_found"],"content_hash":"4c4d5961eb2f29ee7ee7e7e6bb421f7bcf8c66137f8f85b6d5c7fc52943e3754","depth":"reference","editorial_review":"reviewed","evidence_tier":"source_path_confirmed","imported_at":"2026-09-30T17:45:27.117897+08:00","introduced":null,"known_present_by":"12.0","macros":["ERRCODE_SQL_JSON_OBJECT_NOT_FOUND"],"name_zh":"","present_in":["12","13","14","15","16","17","18","19"],"preview_in":["19"],"primary_macro":"ERRCODE_SQL_JSON_OBJECT_NOT_FOUND","removed":null,"runtime_verification":"not_run","severity_classes":["E"],"snippet_count":0,"source_rev":"english-manuals:d0e22ace86901329b1c93975371e1d63d8e00d1733a348765351b8db9da50a24","sqlstate":"2203C","status":"active","summary_zh":"JSON 路径访问器要求对象却收到非对象项。"}},"Definition":{"Collection":"sqlstate","Key":"2203C","SourceDatabase":"center","Version":"18","SourceTable":"sqlstate","SourceKey":"2203C","SourceRevision":"english-manuals:d0e22ace86901329b1c93975371e1d63d8e00d1733a348765351b8db9da50a24","Facts":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"56dacf78e618ff0fd8c533e05db597b80d7ebbad7f8e512a888217d0640aa328","slug":"18"},"lang":"en","sqlstate":"2203C"},"ManualEvidence":{"doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"56dacf78e618ff0fd8c533e05db597b80d7ebbad7f8e512a888217d0640aa328","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"sqlstate","Key":"2203C","SourceDatabase":"center","Version":"","Locale":"zh-Hans","Title":"2203C — sql_json_object_not_found","Summary":"JSON 路径访问器要求对象却收到非对象项。","BodyHTML":"\u003ch1\u003e2203C\u003c/h1\u003e\n\u003ch2\u003e速览 {#at-a-glance}\u003c/h2\u003e\n\u003cp\u003e只接受对象的 JSON 路径访问器或 \u003ccode\u003e.keyvalue()\u003c/code\u003e 方法收到了非对象项。通配成员访问和对象键值展开使用这个结构检查条件。\u003c/p\u003e\n\u003ch2\u003e报文 {#messages}\u003c/h2\u003e\n\u003cp\u003e代表性首要报文如下：\u003c/p\u003e\n\u003cp\u003e| 触发条件 | 首要报文 |\n| --- | --- |\n| 通配成员访问器收到非对象 | \u003ccode\u003ejsonpath wildcard member accessor can only be applied to an object\u003c/code\u003e |\n| \u003ccode\u003e.keyvalue()\u003c/code\u003e 收到非对象 | \u003ccode\u003ejsonpath item method .%s() can only be applied to an object\u003c/code\u003e |\u003c/p\u003e\n\u003ch2\u003e含义 {#meaning}\u003c/h2\u003e\n\u003cp\u003e通配成员分支要求 JSON 对象；当 \u003ccode\u003ejspIgnoreStructuralErrors\u003c/code\u003e 为 true 时，非对象结构不匹配可以被忽略，lax 模式也可能先自动解包数组。\u003ccode\u003e.keyvalue()\u003c/code\u003e 同样可能先自动解包数组，但随后直接要求对象容器；它的非对象检查通过 \u003ccode\u003eRETURN_ERROR\u003c/code\u003e 执行，抛错还是返回 \u003ccode\u003ejperError\u003c/code\u003e 由 \u003ccode\u003ejspThrowErrors\u003c/code\u003e 决定，而该上下文取决于调用方的 silent 或 ON ERROR 处理。lax 本身不会抑制 \u003ccode\u003e.keyvalue()\u003c/code\u003e 的直接检查。具名成员缺键属于 2203A，只接受数组的访问属于 22039。\u003c/p\u003e\n\u003ch2\u003e诊断 {#diagnosis}\u003c/h2\u003e\n\u003cp\u003e根据首要报文确认是通配访问器还是项方法，再检查当前项类型。区分对象接收项缺少具名键，与标量/数组接收项不能进行对象展开。将 lax 自动解包和结构错误处理纳入判断，不要直接把结果归为成员缺失。\u003c/p\u003e\n\u003ch2\u003e处理 {#response}\u003c/h2\u003e\n\u003cp\u003e让路径选出对象、规范化输入形状，或在调用只接受对象的操作前显式分支。对通配访问，只有当业务确实要丢弃非对象分支时才使用 lax 结构抑制；对 \u003ccode\u003e.keyvalue()\u003c/code\u003e，lax 只能先解包数组，剩余的非对象仍按直接的抛错/silent/ON ERROR 路径处理，不要假设 lax 会忽略它。如果 ERROR 发生在显式事务中，应先 ROLLBACK 或回滚到既有保存点再重试；自动提交可重试修正后的动作。\u003c/p\u003e\n\u003ch2\u003e版本 {#versions}\u003c/h2\u003e\n\u003cp\u003e锁定目录从 12.0 起记录该条件；固定的只接受对象的访问器和 \u003ccode\u003e.keyvalue()\u003c/code\u003e 检查条件来自 PostgreSQL 18.6。本页未声称有自然运行观察。\u003c/p\u003e\n\u003ch2\u003e相关 {#related}\u003c/h2\u003e\n\u003cp\u003e\u003ca href=\"/wiki/sqlstate/22039/\" rel=\"nofollow\"\u003e\u003ccode\u003e22039\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/wiki/sqlstate/2203A/\" rel=\"nofollow\"\u003e\u003ccode\u003e2203A\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/wiki/sqlstate/22037/\" rel=\"nofollow\"\u003e\u003ccode\u003e22037\u003c/code\u003e\u003c/a\u003e\u003c/p\u003e\n\u003ch2\u003e来源 {#sources}\u003c/h2\u003e\n\u003cp\u003e通配成员检查条件见 \u003ca href=\"https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L852\" rel=\"nofollow\"\u003e\u003ccode\u003ejsonpath_exec.c#L852-874\u003c/code\u003e\u003c/a\u003e，\u003ccode\u003e.keyvalue()\u003c/code\u003e 对象容器检查见 \u003ca href=\"https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L2806\" rel=\"nofollow\"\u003e\u003ccode\u003e#L2806-2828\u003c/code\u003e\u003c/a\u003e。共享 strict/lax 与抛出/返回宏见 \u003ca href=\"https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L235\" rel=\"nofollow\"\u003e\u003ccode\u003ejsonpath_exec.c#L235-249\u003c/code\u003e\u003c/a\u003e。结构化\u003ca href=\"#sources\" rel=\"nofollow\"\u003e证据记录\u003c/a\u003e绑定两条只接受对象的首要报文；本页未运行自然案例。\u003c/p\u003e\n","SourceRevision":"english-manuals:d0e22ace86901329b1c93975371e1d63d8e00d1733a348765351b8db9da50a24","ContentHash":"409a9101b773ba2978989a3b57ababdff7ca0a8efb604b2f07313cc96d5a483d","Payload":{"body_md":"# 2203C\n\n## 速览 {#at-a-glance}\n只接受对象的 JSON 路径访问器或 `.keyvalue()` 方法收到了非对象项。通配成员访问和对象键值展开使用这个结构检查条件。\n\n\n## 报文 {#messages}\n代表性首要报文如下：\n\n| 触发条件 | 首要报文 |\n| --- | --- |\n| 通配成员访问器收到非对象 | `jsonpath wildcard member accessor can only be applied to an object` |\n| `.keyvalue()` 收到非对象 | `jsonpath item method .%s() can only be applied to an object` |\n\n## 含义 {#meaning}\n通配成员分支要求 JSON 对象；当 `jspIgnoreStructuralErrors` 为 true 时，非对象结构不匹配可以被忽略，lax 模式也可能先自动解包数组。`.keyvalue()` 同样可能先自动解包数组，但随后直接要求对象容器；它的非对象检查通过 `RETURN_ERROR` 执行，抛错还是返回 `jperError` 由 `jspThrowErrors` 决定，而该上下文取决于调用方的 silent 或 ON ERROR 处理。lax 本身不会抑制 `.keyvalue()` 的直接检查。具名成员缺键属于 2203A，只接受数组的访问属于 22039。\n\n## 诊断 {#diagnosis}\n根据首要报文确认是通配访问器还是项方法，再检查当前项类型。区分对象接收项缺少具名键，与标量/数组接收项不能进行对象展开。将 lax 自动解包和结构错误处理纳入判断，不要直接把结果归为成员缺失。\n\n## 处理 {#response}\n让路径选出对象、规范化输入形状，或在调用只接受对象的操作前显式分支。对通配访问，只有当业务确实要丢弃非对象分支时才使用 lax 结构抑制；对 `.keyvalue()`，lax 只能先解包数组，剩余的非对象仍按直接的抛错/silent/ON ERROR 路径处理，不要假设 lax 会忽略它。如果 ERROR 发生在显式事务中，应先 ROLLBACK 或回滚到既有保存点再重试；自动提交可重试修正后的动作。\n\n## 版本 {#versions}\n锁定目录从 12.0 起记录该条件；固定的只接受对象的访问器和 `.keyvalue()` 检查条件来自 PostgreSQL 18.6。本页未声称有自然运行观察。\n\n## 相关 {#related}\n[`22039`](/wiki/sqlstate/22039/)、[`2203A`](/wiki/sqlstate/2203A/)、[`22037`](/wiki/sqlstate/22037/)\n\n## 来源 {#sources}\n通配成员检查条件见 [`jsonpath_exec.c#L852-874`](https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L852)，`.keyvalue()` 对象容器检查见 [`#L2806-2828`](https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L2806)。共享 strict/lax 与抛出/返回宏见 [`jsonpath_exec.c#L235-249`](https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L235)。结构化[证据记录](#sources)绑定两条只接受对象的首要报文；本页未运行自然案例。\n\n","description":"PostgreSQL SQLSTATE 2203C 的来源与诊断参考。","is_stale":false,"name":"","sections":[{"anchor":"","heading":"","html":"\u0026lt;h1\u0026gt;2203C\u0026lt;/h1\u0026gt;"},{"anchor":"at-a-glance","heading":"速览","html":"\u003cp\u003e只接受对象的 JSON 路径访问器或 \u003ccode\u003e.keyvalue()\u003c/code\u003e 方法收到了非对象项。通配成员访问和对象键值展开使用这个结构检查条件。\u003c/p\u003e"},{"anchor":"messages","heading":"报文","html":"\u003cp\u003e代表性首要报文如下：\u003c/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e触发条件\u003c/th\u003e\n\u003cth\u003e首要报文\u003c/th\u003e\n\u003c/tr\u003e\n\u003c/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e通配成员访问器收到非对象\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003ejsonpath wildcard member accessor can only be applied to an object\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode\u003e.keyvalue()\u003c/code\u003e 收到非对象\u003c/td\u003e\n\u003ctd\u003e\u003ccode\u003ejsonpath item method .%s() can only be applied to an object\u003c/code\u003e\u003c/td\u003e\n\u003c/tr\u003e\n\u003c/tbody\u003e\n\u003c/table\u003e"},{"anchor":"meaning","heading":"含义","html":"\u003cp\u003e通配成员分支要求 JSON 对象；当 \u003ccode\u003ejspIgnoreStructuralErrors\u003c/code\u003e 为 true 时，非对象结构不匹配可以被忽略，lax 模式也可能先自动解包数组。\u003ccode\u003e.keyvalue()\u003c/code\u003e 同样可能先自动解包数组，但随后直接要求对象容器；它的非对象检查通过 \u003ccode\u003eRETURN_ERROR\u003c/code\u003e 执行，抛错还是返回 \u003ccode\u003ejperError\u003c/code\u003e 由 \u003ccode\u003ejspThrowErrors\u003c/code\u003e 决定，而该上下文取决于调用方的 silent 或 ON ERROR 处理。lax 本身不会抑制 \u003ccode\u003e.keyvalue()\u003c/code\u003e 的直接检查。具名成员缺键属于 2203A，只接受数组的访问属于 22039。\u003c/p\u003e"},{"anchor":"diagnosis","heading":"诊断","html":"\u003cp\u003e根据首要报文确认是通配访问器还是项方法，再检查当前项类型。区分对象接收项缺少具名键，与标量/数组接收项不能进行对象展开。将 lax 自动解包和结构错误处理纳入判断，不要直接把结果归为成员缺失。\u003c/p\u003e"},{"anchor":"response","heading":"处理","html":"\u003cp\u003e让路径选出对象、规范化输入形状，或在调用只接受对象的操作前显式分支。对通配访问，只有当业务确实要丢弃非对象分支时才使用 lax 结构抑制；对 \u003ccode\u003e.keyvalue()\u003c/code\u003e，lax 只能先解包数组，剩余的非对象仍按直接的抛错/silent/ON ERROR 路径处理，不要假设 lax 会忽略它。如果 ERROR 发生在显式事务中，应先 ROLLBACK 或回滚到既有保存点再重试；自动提交可重试修正后的动作。\u003c/p\u003e"},{"anchor":"versions","heading":"版本","html":"\u003cp\u003e锁定目录从 12.0 起记录该条件；固定的只接受对象的访问器和 \u003ccode\u003e.keyvalue()\u003c/code\u003e 检查条件来自 PostgreSQL 18.6。本页未声称有自然运行观察。\u003c/p\u003e"},{"anchor":"related","heading":"相关","html":"\u003cp\u003e\u003ca href=\"/wiki/sqlstate/22039/\"\u003e\u003ccode\u003e22039\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/wiki/sqlstate/2203A/\"\u003e\u003ccode\u003e2203A\u003c/code\u003e\u003c/a\u003e、\u003ca href=\"/wiki/sqlstate/22037/\"\u003e\u003ccode\u003e22037\u003c/code\u003e\u003c/a\u003e\u003c/p\u003e"},{"anchor":"sources","heading":"来源","html":"\u003cp\u003e通配成员检查条件见 \u003ca href=\"https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L852\"\u003e\u003ccode\u003ejsonpath_exec.c#L852-874\u003c/code\u003e\u003c/a\u003e，\u003ccode\u003e.keyvalue()\u003c/code\u003e 对象容器检查见 \u003ca href=\"https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L2806\"\u003e\u003ccode\u003e#L2806-2828\u003c/code\u003e\u003c/a\u003e。共享 strict/lax 与抛出/返回宏见 \u003ca href=\"https://github.com/postgres/postgres/blob/724edf9bde9d356724ad384a2e196edc3c9f80f7/src/backend/utils/adt/jsonpath_exec.c#L235\"\u003e\u003ccode\u003ejsonpath_exec.c#L235-249\u003c/code\u003e\u003c/a\u003e。结构化\u003ca href=\"#sources\"\u003e证据记录\u003c/a\u003e绑定两条只接受对象的首要报文；本页未运行自然案例。\u003c/p\u003e"}],"summary":"JSON 路径访问器要求对象却收到非对象项。","title":"2203C — sql_json_object_not_found","translation_source_rev":"df5d6ce3082198e33c024c83f9366d553ca4fac723fbc33b3d57f9e0668c5b99"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":{"aliases":[],"catalogue_notes":{"earliest_observed":"12.0","formal_scope":"9.0.0..18.6","latest_observed":"18.6","matrix_scope":["9.0.23","9.1.24","9.2.24","9.3.25","9.4.26","9.5.25","9.6.24","10.23","11.22","12.22","13.23","14.24","15.19","16.15","17.11","18.6"],"pre9_scope":{"formal_tag_count":191,"maximum_release":"8.4.22","minimum_release":"7.0.0","source_definition_count":153,"source_doc_count":153,"source_file_count":306,"source_scope":"7.4..8.4 definition files; 7.0..7.3 candidate-path source gap probes","source_tag_count":153},"pre9_status":"not_observed","preview_scope":["19beta3"]},"class":"22","class_name":"Data Exception","condition_name":"sql_json_object_not_found","condition_names":["sql_json_object_not_found"],"definition_changes":[],"english_manuals":{"12":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"1444bd6a138537cd75be88a220ee9472ac528f0cfc58758e49636d85455efe98","slug":"12"},"lang":"en","sqlstate":"2203C"},"13":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"4a3ef8af218e5736dfde8660ba609e84233b6b3bac7e0210ff8724cf1b27b2db","slug":"13"},"lang":"en","sqlstate":"2203C"},"14":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"1c12e83304e0f4ff64c9d98ca5e3007df6756932ed19867a4fa0e0650f6c5751","slug":"14"},"lang":"en","sqlstate":"2203C"},"15":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"2161f58f6e87f6535b3b1f3d4661427bb6765f4f6b074fcc16fac97594b50599","slug":"15"},"lang":"en","sqlstate":"2203C"},"16":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"928e705933d7c3d018ae3fba9d800b34e6325746d157339dce878473c519d100","slug":"16"},"lang":"en","sqlstate":"2203C"},"17":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"868135520af87351e3ea1ba42656111cbd2d157d98e1fef05ea158ac5729d8b1","slug":"17"},"lang":"en","sqlstate":"2203C"},"18":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"56dacf78e618ff0fd8c533e05db597b80d7ebbad7f8e512a888217d0640aa328","slug":"18"},"lang":"en","sqlstate":"2203C"},"19":{"aliases":[],"class_name":"Data Exception","condition_name":"sql_json_object_not_found","doc":{"anchor":"ERRCODES-APPENDIX","file":"errcodes-appendix.html","lang":"en","sha256":"63fb8d1aa9f494eeab9d0f8542a2b673f7746ee41ae2689d19403cb3cc425a5c","slug":"19"},"lang":"en","sqlstate":"2203C"},"20":{"aliases":[],"class_name":"Data 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