I wasn't able to find a solution to this one. Say I have a table like this with tmp_table(json_row, message) as ( values ('{"key1": 1, "key2":"first"}'::jsonb, 'this ${key2} is a test of ${key1}'), ('{"key1": 2, "key2":"second"}', 'this ${key2} is a…
I have simple question why I am not able to simply INPUT value in my table with attribute desc? I want to know this just for inf. I can change in table attribute name any time. I did what allways…
I have 2 table CREATE TABLE json_data_table(d_id int, d1_json json, d2_json json); CREATE TABLE user_data(uid int, username varchar); and data respectively are INSERT INTO user_data VALUES (1,'test_user_1'), (2,'test_user_2'), (3,'test_user_3'); INSERT INTO json_data_table VALUES (1,'{"stage1":1,"stage2":2 }', '{ "stage1": { "date": "12-01-2023",…
Like in below if my target_sum is 5 it should return id 1 8 then it should return id 1 and 2 13 then it should return id 1, 2 and 3 Basically my query should return the next possible…
Every time I open a new terminal and start postgres server with pg_ctl start -l log it returns the following message: pg_ctl: no database directory specified and environment variable PGDATA unset Try "pg_ctl --help" for more information. The only thing…
I'm new to using postgresql and looking for some help on how translate these vars usage in MySql to Postgres it looks like postgres doesn't support this type of syntax. I do not want to use recursion because max_depth is…
master_table: _id zipcode 123 100 456 200 temp_table: _id zipcode 123 111 245 222 master_table (new results must be upserted in master_table) _id zipcode 123 111 456 200 my end goal is to insert records from temp_table to master_table and…
I have a table like below which contains temperature data for the last 6 months. It takes about 30-40 readings of temperature in an hour. 'time' is in epoch milliseconds. time temperature 1678270897857 25 1678270777712 30 1678270657548 38 1678270537402 27…
models.py name = models.ForeignKey(CustomUser) date = models.DateTimeField() orders = models.IntegerField(default=0) this is the model which counts daily orders of a user. the order which is made in the same day will just increase the orders count by one. So how…
I'm trying to calculate the time weighted average using LOCF in a 24 hour interval using the following data: Time Value 2020-01-01 00:00:00 1 2020-01-01 23:00:00 1000 The query looks as follows: SELECT time_bucket('1 days', time) AS timebucket, average(time_weight( 'locf',…