Questions tagged [postgresql-9.3]
PostgreSQL version 9.3
0
votes
1answer
35 views
Can I do vacuumlo,vacuumdb and reindex in live production system without any downtime in postgres database
We are using a Postgres database (9.3) as our production database. It is generating huge lo objects. Due to this, the size is growing very fast. So we need to do database cleaning frequently. To ...
2
votes
0answers
37 views
the cost decreased but the time was practically the same, why?
Table definition:
CREATE TABLE schema.mylogoperation (
id_mylogoperation serial,
data DATE,
myschema VARCHAR(255),
column_var_2 VARCHAR(255),
user VARCHAR(255),
action TEXT,
...
0
votes
0answers
38 views
Quering Postgresql digest function inside procedure works on pgadmin but not works by calling via Laravel
recently I have created stored procedure in Postgres Sql which deals about with hashing passwords. When used via PgAdmin tool it works like a charm as stated below.
I have also installed extension ...
0
votes
1answer
62 views
Huge DB (> 600M records/table) times out on query or hits memory limits?
Dearest DBA friends of Stackexchange,
I am trying to write data from multiple sourcetables into a new table containing compound information that i wish to use as source for a later project. The ...
0
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0answers
10 views
Postgresql 11 systemd file changed reload to kill; why?
I'm upgrading from Postgres 9.3 to 11, and I do not understand why the ExecReload default command went from
ExecReload=/usr/pgsql-9.3/bin/pg_ctl reload -D ${PGDATA} -s
to
ExecReload=/bin/kill -...
0
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0answers
308 views
How to run multiple sql statements in Postgres using the tool PGADMIN?
I have 170 Alter Drop Constraint statement, 120 Truncate table, 120 Insert table and 170 Alter Add Constraint.
All of these should be run in one in one script as batch script and I'm using PGADMIN IV ...
1
vote
1answer
116 views
install postgresql in unattended error
I try to install PostgreSQL within myapp.exe (which used advanced installer to build) in unattended mode,
I set parameters as below:
--mode unattended --superpassword xxxxxxx --prefix c:\programs ...
2
votes
2answers
96 views
Performance of large transactions and concurrency?
If I have a multi-million row table and I run a transaction that updates 50k rows, what are the performance implications of this?
Assuming it's indexed correctly, it shouldn't take long, but what ...
0
votes
1answer
52 views
Move a Postgres 9.3 database to a new server and update to 9.6 with minimum downtime
I have a PostgreSQL 9.3 database, which I have to move to a new server and update to 9.6 with minimum downtime.
I thought I could :
on the old Postgres, activate archive_command to copy WAL to a NFS ...
0
votes
1answer
124 views
Problem migrating PostGIS
I need to migrate Postgres 9.3 + PostGIS 2.1 to Postgres 10.
I'm using CentOS 7.X
Using pg_upgrade it should be quite straightforward, but the problem is PostGIS.
Postgres 9.3 has PostGIS 2.1 ...
1
vote
0answers
138 views
There seems to be a postmaster servicing the old cluster. | Upgrade from postgres 9.3
I am working on upgrading postgres from version 9.3 to 10. I have encountered a lot of issues along the way since the install is way more custom done than it should be (People here LOVE complex and ...
0
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1answer
509 views
Postgres taking 3h to DELETE CASCADE
I have a Postgresql 9.3 with a "mother" table containing items, and a number of "child" tables containing parts of different kinds (e.g. item "AAA" is composed of 1000 parts "P1", 800 parts "P2", 40 ...
2
votes
1answer
48 views
How to use “WHERE” and also “WHERE NOT EXISTS” in the same query and table?
I am trying to add both WHERE and WHERE NOT EXISTS in same query. Below mentioned query1 is working fine, but it returns all the t1 data which does not belong to company1. So I tried query2, but no ...
7
votes
1answer
58 views
Postgres: query planner not respecting table inheritance constraint when querying for null
I'm having an issue with slow queries that is caused by the planner checking every inherited table instead of only the one with the constraint.
I have a table with 0 rows called "search_result". This ...
0
votes
1answer
306 views
How to query inside jsonb column
I have a column type of jsonb named changes
THis is the structure of my column.
[["change","is_enabled",[false,true]]]
I want to query within the column.
I want to find all the rows that "...
1
vote
1answer
72 views
How to find the nearest lat and lang in postgresql
I am trying find the nearest lang and lat from the specified lat and lang
i tried the below mentioned query, in my query i have mentioned the place muscat's lat and lang ,so i want to display the ...
0
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1answer
36 views
Failover in Streaming Replication
I have one doubt on master to slave replication in streaming replication in postgresql. I confgured ONE Master and One Slave with streaming replication in my system If Master fails slave act as a ...
0
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1answer
1k views
If else statement on join query
i am working with a Postgresql database
having two tables:
professionals[professional_id,user_id,account_id]
users[user_id email]
accounts[account_id email]
professionals
[professional_id,...
0
votes
2answers
440 views
Tracking database and table size growth
Is there way we can get the table size and DB size growth from last one month day-wise?
We are able to give the current size of DB and table size.
0
votes
1answer
460 views
Not a able to kill the DB session in Postgres RDS
We are trying to killing one of DB session but not able to do it. Tried with following command getting "TRUE" after issuing command. Still we can see the session is active.
select ...
0
votes
1answer
2k views
Count records with same id but different column value
I have the following table:
+------+------+
|userID|Name |
+------+------+
|1 |sport |
+------+------+
|2 |it |
+------+------+
|3 |game |
+------+------+
|1 |sport |
+------+----...
4
votes
1answer
369 views
Custom location for postgis extension .control file [closed]
I am trying to install the postgis extension on my database, which resides on a web hosting service. The problem is that the control files seem to have to be found in /package/host/localhost/postgresq-...
1
vote
1answer
18 views
How to fetch the records which is belongs to only one group in postgresql
I want to fetch the student_id which is only belongs to one collage
expected op
6 and 7 stud_id's so how can i do this?
_id | stud_id | collage_id | university_id | active
-----+---------+-------...
1
vote
1answer
251 views
How to optimize a fetch into a crosstab
I have a schema like:
[ad_id] . [name] . [valueofname]
1 . name . "brian"
1 . age . "23"
2 . job . "IT"
2 . name . "Jack"
The row name contains ...
0
votes
3answers
42 views
Optimize query to filter active IDs for a given day from big table
I have a PostgreSQL table called users with 4 columns:
user_id integer, -- we can have a lot of the same user_id
name text, -- name of the user
value text NOT NULL, -- ...
1
vote
0answers
63 views
PostgreSQL is not working after installing Postgres-XC
I am using PostgreSQL 9.3 on Ubuntu 17. This set up was working fine, but it stopped working after installing Postgres-XC.
I tried uninstalling Postgres-XC and reverting back the data directory to ...
0
votes
1answer
36 views
Correct way to re-use or recover databases from “PostgreSQL 9.3” to “PostgreSQL 9.5”
I was using PostgreSQL 9.3, then I installed PostgreSQL 9.5, then I unistalled PostgreSQL 9.3.
Now I want to move the database from the folder of PostgreSQL/9.3/data/base of PostgresSQL 9.3 to ...
3
votes
1answer
3k views
column must appear in the GROUP BY clause or be used in an aggregate function
I have a simple table with columns col1, col2, col3. All not nullable.
I want to delete all rows where the tuple (col1, col2) has several entries. Background: a unique constraint for (col1, col2) ...
3
votes
1answer
3k views
How to disable Postgres from listening on IPv6?
I am trying to disable Postgres from listening on IPv6 because of a bunch of strange trace files that are constantly being written to syslog.
I'd prefer not to disable IPv6 in the OS itself, so ...
0
votes
1answer
129 views
How to query row containing the given element inside a json column Laravel Postgres
Hello all I have a postgresql table that has a json column called agents. See below
SELECT agents FROM cnms_rosters;
result
agents
------------------
[1,13,3,16,15]
[12,13,14,15,15]
[...
-1
votes
1answer
3k views
How to update JSONB array in postgres
I have a table with following definition:
create table json_test (
my_data jsonb);
Inserted to it values like this:
{"details": [
{
"f1": "",
"f2": "free text"
},
{
...
0
votes
1answer
293 views
PostgreSQL: How find functions that use sys_eval
my server was hacked, I found this in the postgres log
2017-12-19 06:30:16 COT STATEMENT: select sys_eval('pgrep baou87r1D9;pgrep 9rMhx24;pgrep Ps1fnYF3;pgrep P15xAw4;pgrep 8yV192n7;pgrep ktU5R693w2;...
0
votes
1answer
6k views
Postgres Error: must appear in the GROUP BY clause or be used in an aggregate function
I'm a novice when it comes to Postgres, and I realize similar questions have been asked before, however, I'm struggling to make this query work:
SELECT p_search.id, count(kia.image_id) AS count
...
0
votes
1answer
174 views
Design: Postgres, Parent to Child / Child to Parent / Child to Child | JSONB
I am very new to database design. I am hoping for suggestion or solutions for a feature I am working.
Note: We are majorly using JSONB type in Postgres
Feature:
I have a orders table which would ...
0
votes
1answer
91 views
Cleaning up archives in Postgres after using systemd
I'm using Postgres 9.3 and I have a master database and a hot standby one that is following the master.
The operating system is CentOS 7.
I've changed the way of starting Posgres from SysV to systemd....
0
votes
1answer
83 views
Can PosgreSQL databases be restored from physical files?
We had an EC2 instance running PostgreSQL. We created a new EBS volume for our more important DBs and stored them on the new volume by creating new tables spaces and setting their location. The system ...
2
votes
2answers
463 views
WAL archiving w/ streaming replication
I'm running postgresql 9.3. I've currently got WAL archiving configured, but I'm doubting it's utility based on my configuration. On the master, I've got archive_command set to
rsync -az --ignore-...
5
votes
2answers
253 views
Can simultaneous updates and deletes on a set of tables lead to AccessExclusiveLock being taken?
I am using Postgres 9.3.
I have 2 tables : authn_session and customer. Every authn_session belongs to a customer (and hence has a customer_id as a column which is a FK to customer's id).
Note : ...
2
votes
2answers
70 views
How to efficiently sort a column from two tables?
In our app, we have assignments. We create this by unioning two other tables with a due_date column: checklists and tasks. We want to order assignments by the due_dates. Right now, we are doing ...
2
votes
0answers
51 views
Postgres production server: more rollbacks than commits?
I'm studying a little Postgres 9.3 stats, and I've observed that in my servers, this simple query:
select sum(xact_commit) as commits,sum(xact_rollback) as rollbacks from pg_stat_database;
I have ...
4
votes
2answers
756 views
PostgreSQL extremely slow after upgrade from 9.3 to 9.4
We recently upgraded an Amazon RDS instance from PostgreSQL 9.3 to 9.4. There were no problems during the upgrade, and afterwards we ran VACUUM ANALYZE. Performance is now very slow across the board. ...
0
votes
1answer
333 views
How can I reset the counters from pg_stat_database view?
I know I can reset some counters by running:
select pg_stat_reset()
but some counters like xact_commit aren't reset.
How can I do it?
I've tried also:
pg_stat_reset_shared('database')
but doesn'...
1
vote
1answer
928 views
High delay lag between master/slave in Postgres 9.3
I have a Postgres 9.3 database server with this configuration:
# grep archive_ postgresql.conf
archive_mode = on # allows archiving to be done
archive_command = 'rsync -a %p postgres@...
1
vote
1answer
63 views
Postgresql 9.3 GROUP BY on an indexed column in 30m rows table taking a long time
I have a simple table which holds GPS data for various vehicles with 30 million rows.
Column | Type | Modifiers | Storage | Stats target | Description
--------...
3
votes
2answers
2k views
Poor query performance over timestamp range by week in PostgreSQL 9.3
I have a slow query that generates a report of account activity per week over the past year. The table currently has nearly 5 million rows and this query currently takes 8 seconds to execute. The (...
0
votes
1answer
330 views
Getting pg_dump and pg_restore right for postgresl (9.3.10)
I'm to transfer a postgresql 9.3.10 DB (~55GB) from Azure VM to an AWS EC2. Being a novice, this question is about getting the process right. I've seen this post, and need to go a bit beyond that:
Is ...
1
vote
1answer
730 views
Time taken by VACUUM FULL to reclaim space
After receiving some insightful guidance in a previous post here, I'm going to run VACUUM FULL on 4 PostgreSQL 9.3.10 tables. Table sizes are:
1) links_publicreply: ~30M rows, 9 columns, 3 indexes (...
0
votes
1answer
29 views
Optimizing postgresql maintenance statements on psql
In a reddit-like app (called Links) I maintain, users post hyperlinks and others can then publicly reply under the said links. The former is saved in a postgresql 9.3.10 table called links_link, the ...
3
votes
1answer
3k views
Disk space unreleased after cleaning up rows from PG table
I understand space isn't abruptly released (unless one does TRUNCATE). But this one looks abnormal to me.
What could be the reason for a postgresql (9.3.10) table not releasing space after having 70% ...
0
votes
1answer
275 views
Slow performance of simple maintenance/deletion query on postgres 9.3.10 table
I have a reddit-type app called 'Links' where 1) users post interesting hyperlinks, and 2) other users publicly respond to such postings. The former is defined as links_link table in my postgresql 9.3....
