PostgreSQL raises sql_json_object_not_found (SQLSTATE 2203C) when a SQL/JSON path requests a member that does not exist in the target JSON document.
sql_json_object_not_found appears when a SQL/JSON path or ->> operator cannot locate the specified key in a JSON object. Check the key spelling, use the lax modifier, or add a default value to resolve the error.
sql_json_object_not_found
PostgreSQL throws the sql_json_object_not_found error when a SQL/JSON expression attempts to access a key that is absent in the referenced JSON object. The server stops the statement and returns SQLSTATE 2203C.
Strict JSON path mode, the -> operator, or jsonb_extract_path_text functions can all raise the error if the requested member does not exist. Fixing the issue requires validating key names or switching to lax semantics.
Missing keys trigger the error.
When strict mode or direct operators require an exact match, any typo or schema drift surfaces as sql_json_object_not_found.
Incorrect data types also cause problems. Accessing an array element through an object accessor or vice versa makes the server fail with the same SQLSTATE.
First confirm the JSON structure. Use jsonb_pretty() or SELECT data -> 'key' to inspect existing members.
Once verified, adjust the query or provide fallbacks with COALESCE.
Switch to the #>> operator or add ? operators to test key existence before extraction. These changes avoid hard failures and let your code handle optional members gracefully.
ETL jobs often load semi-structured events. A new event version may rename fields, breaking old queries.
Add version checks or lax mode to stay resilient.
Reporting queries that aggregate optional attributes should wrap lookups in COALESCE to return NULL instead of failing.
Maintain explicit JSON schemas in version control so column contents match application queries.
Use Galaxy Collections to store and endorse validated extraction queries. Versioning ensures teammates adopt the latest key names.
sql_json_array_not_found surfaces when an array index is invalid. Move to lax mode or validate index ranges.
invalid_json_text appears during parsing.
Check for malformed JSON before insertion.
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Yes. The query is aborted but the surrounding transaction remains active unless SET client_min_messages influences behavior.
No. You must specify lax in each JSON path or wrap extractors with COALESCE.
Yes. Both -> and ->> raise the error when the key is absent in strict mode.
Galaxy's AI copilot inspects JSON payloads, suggests correct key names, and shares endorsed extraction snippets to reduce missing-key mistakes.
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