postgresql-9.3 Questions

3

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The idea is that I have local database named northwind, and with postgres_fdw I want to connect with another database named test on localhost (remote connection simulation, for situations like when...

3

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I have a sequence on postgresql 9.3 inside a schema. I can do this: SELECT last_value, increment_by from foo."SQ_ID";` last_value | increment_by ------------+-------------- 1 | 1 (1 fil...
Emmy asked 28/1, 2014 at 5:30

16

I'm using this SQL query to generate random value in PostgreSQL chr(ascii('B') + (random() * 25)::integer) How I can generate 15 characters random String using the same query?
Machiavelli asked 10/4, 2016 at 17:58

2

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I have column 'event_date_time' in my 'events' table with type 'timestamp with timezone'. My python flask application is saving date like '2014-08-30 02:17:02+00:00' but postgres automatically conv...
Bangs asked 22/8, 2014 at 22:31

5

I have installed PostgreSQL 9.3 on my pc. When I try to start the database by pgAdminIII, I am getting the error below. Error connecting to server : received invalid response to SSL negotiation ...
Pulsifer asked 4/2, 2015 at 5:3

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How can I list all the tables of a PostgreSQL database and order them by size?
Marque asked 12/2, 2014 at 20:2

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I have a scenario where I need to convert a json array into a Postgres int array and query it for the result. Below is my array ID DATA 1 {"bookIds" : [1,2,3,5], "storeIds": [...
Hylotheism asked 7/6, 2016 at 17:57

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Using django 1.8 + Postgres 9+, I have models with custom PG datatypes (like ltree). Creating de database from zero fail because CREATE EXTENSION ltree; is not executed. I try with a empty migr...
Brigittebriley asked 16/9, 2015 at 21:29

3

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I have Java 8 Spring web app that will support multiple regions. I need to make calendar events for a customer location. So let's say my web and Postgres server is hosted in MST timezone (but I gue...
Ypsilanti asked 5/4, 2016 at 4:46

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I want to index data in height dimensions (128 dimensional vectors of integers in range of [0,254] are possible): | id | vector | | 1 | { 1, 0, ..., 254} | | 2 | { 2, 128, ...,1} | | . | { 1, 0, ....
Mariammarian asked 15/2, 2016 at 9:2

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I try to copy the content of a CSV file into my postgresql db and I get this error "extra data after last expected column". The content of my CSV is agency_id,agency_name,agency_url,agency_time...
Piddling asked 2/11, 2014 at 16:41

9

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I have a table to store information about my rabbits. It looks like this: create table rabbits (rabbit_id bigserial primary key, info json not null); insert into rabbits (info) values ('{"name":"...
Teran asked 12/11, 2013 at 9:40

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using Postgres 9.3... Can someone please explain why I can't use a max function directly on an unnested array..? It is my understanding the unnest function returns a "setof" just like the select ...
Margaux asked 5/2, 2015 at 18:23

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I'm using PostgreSQL 9.3 version to create database. I have the following table test with some columns list. create table test ( cola varchar(10), colb varchar(10), colc varchar(10), cold var...
Stealthy asked 16/1, 2015 at 6:3

7

I want a shortcut key to clear the screen in my (Windows 7) psql console just like CTRL-l clears the screen in my R console. I am tired of typing '! cls'. Do I need to write a macro for this? I am ...
Lopez asked 26/9, 2014 at 17:47

2

Trying to execute SQL script in Pycharm using button "Execute SQL script" and get: Error executing SQL script "/home/mike/PycharmProjects/db_pjct/DB/f_companies.sql". Details: Cannot run progr...
Anaheim asked 14/1, 2017 at 10:50

3

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My problem: I'm trying to run a database generation script at the command line via a batch file as part of a TFS build process to enable nightly testing on a known dataset. The scripts we run are...
Ramadan asked 18/2, 2016 at 13:8

1

I have a database that needs backing up, but only for specific timestamps and tables, like from the first of October to the 15th of October. After looking up on multiple sites, I have not found any...
Glossolalia asked 2/11, 2021 at 10:1

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I want to be able to query settings in another existing session. In particular the transaction_isolation. We have: current_setting('transaction_isolation') I want to call something like: sessio...
Cuxhaven asked 27/1, 2015 at 16:34

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Is there some way to test an unassigned record for null? (Sorry, sqlfiddle doesn't like my DO block.) Thanks. DO $$ DECLARE r record; BEGIN r := null; if r is null -- ERROR: record "r" is not as...
Pilchard asked 11/6, 2015 at 16:24

3

I have gone through many SO question answer my problem was not solved.. This is the method I tried: user@user-Latitude-XT3:~$ sudo su postgres No passwd entry for user 'postgres' user@user-Latit...
Carmarthenshire asked 10/9, 2017 at 15:27

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Does PostgreSQL cache execution plan of a view, as it does for stored procedures?
Illicit asked 16/9, 2014 at 9:14

22

When I try to run the command: import psycopg2 I get the error: ImportError: dlopen(/Users/gwulfs/anaconda/lib/python2.7/site-packages/psycopg2/_psycopg.so, 2): Library not loaded: libssl.1.0.0...
Abessive asked 3/12, 2014 at 5:49

3

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Using PostgreSQL 9.3. Have a column with file name values like that: qwerty.swf some.image.jpg some.other.image.jpg This column also allow null values. How to get file extensions from this c...
Towney asked 29/6, 2016 at 14:39

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I am trying to get statistics on indexes. I am looking for total values in an index and it size. I can only find the size of all indexes on the table. Table pg_class column relpages and reltuples s...
Pucker asked 28/9, 2017 at 13:10

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