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2017-02-18 00:02 Convert JSONB Array to Columns »
I have a query that returns a single column containing jsonb objects. Here is an example of some returned rows (jsonb::text for legibility here): [{...
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2017-02-17 19:02 Modify datatype of a field in JSONB in Postgres »
I have a JSONB column with JSON that looks like this: {"id" : "3", "username" : "abcdef"} Is there way to update the JSON to : {"id" : 3, "u...
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2017-02-17 14:02 Removing element from array within object JSONB »
I am attempting to remove an element from my database. The element I want to remove is within a JSON object called playerContainer which contains an a...
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2017-02-16 12:02 ActiveRecord & Postgresql: Query jsonb attribute »
I have a model Characteristic, with a equivalent attribute which is a jsonb value. ex: characteristic1: id:1 equivalent: {list: ['first', 'second'...
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2017-02-16 05:02 Flattening a nested json[b] array in Postgres »
I have jsonb column feeds with data in the form of this: [{ "id": 99999999, "lang": "pt", "entities": { "urls": [], "media": [{ "...
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2017-02-15 19:02 Use JSONB for postgres columns other than primary and foreign keys »
I just discovered JSONB for PostgreSQL and was wondering what could go wrong if I used it for all my tables' columns ? That is to say all my tables w...
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2017-02-14 19:02 Appending (pushing) and removing from a JSON array in PostgreSQL 9.5+ »
For versions less than 9.5 see this question I have created a table in PostgreSQL using this: CREATE TEMP TABLE jsontesting AS SELECT id, jsondata...
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2017-02-14 00:02 JSONB Column Type »
I was reading through the JHipster "Creating an entity", and did not see any Field Type related to JSONB. Does JHipster have any examples of jsonb fi...
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2017-02-10 14:02 Search within nested Django JSONField (either via Django ORM or raw sql) »
Edit: Added solution below. No-one was able to suggest a native Postgres, one-hit search-and-replace so I had to parse the log in Python and then do a...
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2017-02-09 12:02 Postgres extract value from jsonb array »
I have a jsonb field with an array like this one below: [ { "type":"discount", "title":"Discount 10%" }, { "f...
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2017-02-09 11:02 "Big" data in a JSONB column »
I have a table with a metadata column (JSONB). Sometimes I run queries on this column. Example: select * from "a" where metadata->'b'->'c' is ...
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2017-02-09 08:02 Postgresql query for objects in nested JSONB field »
I am using PostgreSQL 9.6, and I have a table named "ItemDbModel" with two columns looks like: No integer, Content jsonb Say I put many records li...
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2017-02-08 08:02 Targeting specific objects in jsonb array »
I need to select rows from table that match specific criteria which involves jsonb object field comparison. In the example below, I'd like to get onl...
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2017-02-03 12:02 Django / PostgresQL jsonb (JSONField) - convert select and update into one query »
Versions: Django 1.10 and Postgres 9.6 I'm trying to modify a nested JSONField's key in place without a roundtrip to Python. Reason is to avoid race ...
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2017-02-02 23:02 Failed Signup with Devise nested parameters model have serialized column »
During a signup process I have a user model and Tenant model. Recently I added a serialized column to the Tenant model and I can update the this colum...
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2017-02-02 08:02 String Manipulation throws error while Inserting into PostgreSql Jsonb Column »
I have the following code, to insert data into my table res(ID bigserial, Results jsonb not null). I want to insert data so that 'Display' column a...
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2017-02-02 05:02 Postgres - Performance of large jsonb column »
We are using Postgres jsonb type in one of our DB tables. Table structure is shown as below: CREATE TABLE T ( id UUID NOT NULL PRIMARY KEY, paylo...
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2017-02-01 21:02 Select objects inside array JSONB »
I am attempting to grab the objects within an array using JSONB in a Postgres db and Groovy. My Json is structured like this, stored in my database. ...
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2017-02-01 19:02 PostgreSql - Determining best Index on jsonb column »
I am pretty novice in the PostgreSql world. I store the following JSON objects in the jsonb column of PostgreSQL as one object per row. {"cid":"CID1"...
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2017-02-01 11:02 Streaming data into complex Json in PostgreSql »
I have the following Json stored in the Jsonb column of PostgreSql. I have a requirement where I should be able to update the Json as and when the str...
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2017-01-31 15:01 Querying postgresql using sequelize ORM for an nested JSONB object »
This is how the JSONB looks into the database matrix:{ toolsMethodsOther:{ networking: [], testing: { testingGeneric: [], testi...
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2017-01-29 16:01 Filtering on PostgreSQL JSONB column doesn't work »
I have the following JSON stored in column of type jsonb. I want to query the second element of the outer array and filter all rows that have the valu...
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2017-01-27 01:01 postgres: why does this GIN index not used for this "object in array" query »
I am trying to index a JSONB column that contains array of objects : create table tmp_t (a INTEGER PRIMARY KEY,o jsonb); insert into tmp_t (a,o) va...
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2017-01-26 11:01 Postgresql gin index high cpu usage ratio »
I design a table with jsonb column to store userlist, and I set up a gin index on that column. select * from table where userlist @> '"Username":"...
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2017-01-25 20:01 Storing JSON Array of Arrays in PostgreSql »
I have the JSON in the following format stored in Postgres JsonB Column: [ [ {"cid":"CID1","Display":"User One","FName":"User","LNam...
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2017-01-25 00:01 PostgreSQL many jsonb columns vs many rows »
From other answers on many columns vs many rows (or tables) it seems columns are more performant for normalized data. What about serialized data? I'...
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2017-01-24 12:01 JSR-367: How to bind a simple json to object and extract data »
How to bind the json file to object. Here I am using JSR-367 API , yasson implementation to implement. The JSON file looks like this { "Details": ...
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2017-01-23 14:01 Store base64 image in jsonb »
I'm using jsonb columns to store entity data with variable structure, it works great. Now I have some images in this variable structures let's say: {...
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2017-01-21 11:01 How to get the size of a JSONB array in Postgres? »
How can I get the size of an array within a JSONB array in Postgres 9.6? select * from mytable where myjson->'a'->>'b' is not null; This s...
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2017-01-21 00:01 Query rows for matching JSONB column where key ends with a name and key value is a specific value »
Given the following rows with a jsonb column details. How do I write a query so that records where the key name ends with _col with value B are select...
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2017-01-19 16:01 PostgreSQL difficulty extracting field from jsonb column »
Using PostgreSQL 9.5.5 Given the below example jsonb data in a column: { "item_id": "123456", "action_information_1": [ {"value": "259", "action_ty...
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2017-01-17 18:01 JSONB query in Rails for a key that contains an array of hashes »
I have a Rails 5 project with a Page model that has a JSONB column content. So the structure looks like this (reduced to the bare minimum for the que...
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2017-01-17 12:01 Querying JSONB using Postgres »
I am attempting to get an element in my JSON with a query. I am using Groovy, Postgres 9.4 and JSONB. Here is my JSON { "id": "${ID}", "te...
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2017-01-16 20:01 How should I upgrade from bradjasper's django-jsonfield to Django's built-in jsonfield? »
I have a Postgres 9.4 / Django 1.8 database that uses bradjasper's django-jsonfield package. (See https://github.com/bradjasper/django-jsonfield ) It...
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2017-01-16 09:01 Postgresql 9.5 Performance degradation when updating JSON field using jsonb_set »
I have a performance problem when using jsonb_set to replace values of a jsonb field. It seems that every time the values are replaced in the JSONB e...
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