json_scalar ( expression )Converts a given SQL scalar value into a JSON scalar value. If the input is NULL, an SQL null is returned. If the input is number or a boolean value, a corresponding JSON number or boolean value is returned. For any other value, a JSON string is returned.
json_scalar
Converts a given SQL scalar value into a JSON scalar value. If the input is NULL, an SQL null is returned. If the input is number or a boolean value, a corresponding JSON number or boolean value is returned. For any other value, a JSON string is returned.
English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.
Reading PG 18·Select a recorded version
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Definition PG 18
Converts a given SQL scalar value into a JSON scalar value. If the input is NULL, an SQL null is returned. If the input is number or a boolean value, a corresponding JSON number or boolean value is returned. For any other value, a JSON string is returned.
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{"inputs":[{"file":"functions-json.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"060b67147827d70ddcf5948833ddfbeada321366476016c8b8b7d68afda8045c","version":"18.7"},{"file":"functions-json.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"31b98fa7f00387abf441728c31918bfe8b368642bceeb8bba88a73c3fbd607de","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"}Source references
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center · PostgreSQL 18 · wiki-repair-20261023:032c908c5816b8be30e68c3a8d3558a5c0f300d089951a831470b671fb616445
Text language: en · wiki-repair-20261023:032c908c5816b8be30e68c3a8d3558a5c0f300d089951a831470b671fb616445