I am trying to grow on a bookstore project mentioned in the book titled Django for Professionals by Vincent As I try to grow on it my requirements.txt has grown to asgiref==3.5.2 Django==4.0.4 psycopg2-binary==2.9.3 sqlparse==0.4.2 django-crispy-forms==1.14.0 crispy-bootstrap5==0.6 django-allauth==0.50.0 with my…
I am trying to connect my django app to postgres but it gives the following error. connection to server at "127.0.0.1", port 5432 failed: FATAL: database "testDB" does not exist the postgres server is running I have checked it also…
cur.execute(""" CREATE TEMPORARY VIEW bobby_view AS SELECT heading1, heading2 FROM bobby WHERE heading2 = %s; """, (variable,)) cur.execute(""" SELECT d1.heading1 FROM bobby_view d1 WHERE d1.heading1 >= ALL ( SELECT d2.heading1 FROM bobby_view d2); """) answer = cur.fetchone()[0] This produces the…
I am trying to connect chainlink to the postgres db and for the same I am running both of them as docker images. I start the postgres docker as: $ docker run --name some-postgres -e POSTGRES_PASSWORD=secret -p 5432:5432 -d postgres…
I altered a table using the command ALTER TABLE sys.system_property ADD COLUMN IF NOT EXISTS description text; COMMENT ON COLUMN sys.system_property.description IS 'description of property'; I then need to have a default value and set it no Not NULL so…
I use the following code to create a table if it does not exist yet: PGconn* conn; PGnotify* notify; PGresult* createTableRes; createTableRes = PQexec(conn, "CREATE TABLE IF NOT EXISTS t_xyz (xyzId SERIAL PRIMARY KEY NOT NULL, xyz VARCHAR(100) UNIQUE NOT…
So I'm looking to use a custom row cell to label my data. Basketball Baseball Golf Cost 1 0 0 $50 0 1 0 $75 1 0 1 $150 0 1 1 $225 The table I have is above. What…
I am using postgresql. Let's suppose I have this table name my_table: id | idcm | stores | du | au | dtc | ---------------------------------------------------------------------------------- 1 | 20447 | [2, 5] | 2022-11-02 | 2022-11-15 | 2022-11-03 11:12:19.213799+01 | 2…
I am a beginner in postgresql and databases in general. I have a table with a column product_id. Some of the values in that column are null. I need to change those null values to the values from another table.…
In Postgres I need to sort text with natural order, but with one exception - if the string has only number, it should be placed at top. So I need such order: ["98", "125", "134", "148", "265", "634", "1233", "5231",…