jsonb

how to store PostgreSQL jsonb using SpringBoot + JPA?

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Tried this but understood nothing! To fully work with jsonb in Spring Data JPA (Hibernate) project with Vlad Mihalcea’s hibernate-types lib you should just do the following: 1) Add this lib to your project: <dependency> <groupId>com.vladmihalcea</groupId> <artifactId>hibernate-types-52</artifactId> <version>2.2.2</version> </dependency> 2) Then use its types in your entities, for example: @Data @NoArgsConstructor @Entity @Table(name = “parents”) … Read more

How to perform update operations on columns of type JSONB

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If you’re able to upgrade to Postgresql 9.5, the jsonb_set command is available, as others have mentioned. In each of the following SQL statements, I’ve omitted the where clause for brevity; obviously, you’d want to add that back. Update name: UPDATE test SET data = jsonb_set(data, ‘{name}’, ‘”my-other-name”‘); Replace the tags (as oppose to adding … Read more

In postgresql, how can I return a boolean value instead of string on a jsonb key?

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Simply cast a text to boolean: create table jsonb_test (id int, data jsonb); insert into jsonb_test values (1, ‘{“is_boolean” : true}’), (2, ‘{“is_boolean” : false}’); select id, data, (data->>’is_boolean’)::boolean as is_boolean from jsonb_test where (data->>’is_boolean’)::boolean id | data | is_boolean —-+————————+———— 1 | {“is_boolean”: true} | t (1 row) Note that you can also cast … Read more

Operator does not exist: json = json

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In short – use JSONB instead of JSON or cast JSON to JSONB. You cannot compare json values. You can compare text values instead: SELECT * FROM movie_test WHERE tags::text=”[“dramatic”,”women”,”political”]” Note however that values of type JSON are stored as text in a format in which they are given. Thus the result of comparison depends … Read more

Postgresql query for objects in nested JSONB field

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You should become familiar with JSON Functions and Operators. — #1 select * from example where content->’Item’->>’Name’ ilike ‘%dog%’ and content->’Item’->>’Spec’ ilike ‘%red%’ — #2 select * from example where content->’Item’->>’Name’ ilike ‘%dog%’ or content->’Item’->>’Spec’ ilike ‘%red%’ — #3 select distinct on(no) t.* from example t, lateral jsonb_each_text(content->’Item’) where value ilike ‘%dog%’; — and select … Read more

How do I search for a specific string in a JSON Postgres data type column?

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In Postgres 11 or earlier it is possible to recursively walk through an unknown json structure, but it would be rather complex and costly. I would propose the brute force method which should work well: select * from reports where params::text like ‘%authVar%’; — or — where params::text like ‘%”authVar”%’; — if you are looking … Read more