![]() ![]() ![]() The jsoneach() function allows us to expand the outermost JSON object into a set of key-value pairs. Yes, that is exactly what I am looking for. PostgreSQL provides us with some functions to help you process JSON data. Let's focus on 'ref4' from my sample query. The choice of is unfortunate, because it is also a part of JSONPath syntax, but this is a legacy system, so things have to stay this way. If you are using ORM classes you'd likely want to use session.query() which is generally more appropriate. Context: a database contains jsonb values, where the sign is a placeholder for a value stored in a different table. > Secondly, "Record" looks a whole lot like a declarative ORM class due to the "BoundDeclarativeMeta" line there's a difference between using table metadata and an ORM class, in this case that the ORM class doesn't use the. > First off, if you are using the select() construct, it accepts a list of things to SELECT from, so select(). PostgreSQL 12 provides several functions to use JSONPath to query your JSONB data. > Did I miss to import something? Any preparations? JSONB supports indexing the JSON data, and is very efficient at parsing and querying the JSON data. It is a decomposed binary format to store JSON. JSONB stands for JSON Binary or JSON better depending on whom you ask. How to Delete from a JSON Field in PostgreSQL Improve the Performance of JSON Queries. Wave 2: PostgreSQL 9.4 (2014) added support for JSONB data type. > TypeError: '_BoundDeclarativeMeta' object is not iterable Learn how to make the most of PostgreSQL JSON in this guide. > select(Record).where(Record.c.properties = 'value') > select().where(table.c.col = 'somevalue') > How can I query the properties column for containing a specific key or key=value combination? > the cases you ask for are all described at : > The Docs are relatively sparse regarding this topic. > I have the following model using JSONB data type in PostgreSQL. > I am new to SQLAlchemy, doing my first steps with Flask. > On 4/4/15 7:22 PM, Daniel Kerkow wrote: On 4/4/15 7:47 PM, Daniel Kerkow wrote:
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