JSON_QUERY

Returns the result of applying the SQL/JSON path_expression to the context_item.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

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group: json
group label: JSON 函数和操作符
lang: en
layout: table-new
pages: functions-json.html
prose only: false

Definition PG 18

Returns the result of applying the SQL/JSON path_expression to the context_item.

Signatures and overloads

JSON_QUERY ( context_item, path_expression [PASSING { value AS varname } [, ...]] [RETURNING data_type [FORMAT JSON [ENCODING UTF8] ] ] [ { WITHOUT | WITH { CONDITIONAL | [UNCONDITIONAL] } } [ARRAY] WRAPPER] [ { KEEP | OMIT } QUOTES [ON SCALAR STRING] ] [ { ERROR | NULL | EMPTY { [ARRAY] | OBJECT } | DEFAULT expression } ON EMPTY] [ { ERROR | NULL | EMPTY { [ARRAY] | OBJECT } | DEFAULT expression } ON ERROR]) → jsonb → jsonb

Returns the result of applying the SQL/JSON path_expression to the context_item.

Compare versions

Complete source facts

documentation revision

{"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

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:6f88e7c0fa2e13cb5c46ce2eab0c2d4757ca232399fe4b33b9fb2ae8ec687aa1

Text language: en · wiki-repair-20261023:6f88e7c0fa2e13cb5c46ce2eab0c2d4757ca232399fe4b33b9fb2ae8ec687aa1