All Questions
Tagged with postgresql-9.3 insert
6 questions
7
votes
2
answers
6k
views
What causes large INSERT to slow down and disk usage to explode?
I have a table of about 3.1 million rows with the following definition and indexes:
CREATE TABLE digiroad_liikenne_elementti (
ogc_fid serial NOT NULL,
wkb_geometry geometry(Geometry,4258),
...
2
votes
1
answer
937
views
Create one row for every user in a Postgres table
I have a bunch of rows of users in a users table, for example:
| id | name |
|----|-------|
| 1 | Chris |
| 2 | Max |
| 3 | Steve |
For each one of these users, I'd like to create a row in ...
4
votes
2
answers
40k
views
Return the id after insert or select
I want to build a function which will insert an email if the email value doesn't exist in the table and return the email_id of the row. How can I do this?
Also how can I return the id if the email was ...
3
votes
1
answer
15k
views
How to ignore duplicates during bulk inserts?
In Postgres 9.3.5, I'm importing records from an external source where duplicates are VERY rare, but they do happen. Given a readings table with a unique compound key on (real_time_device_id, ...
12
votes
1
answer
43k
views
Optimize PostgreSQL for a lot of INSERTS and bytea updates
What we have (software):
PostrgeSQL 9.3 with base configuration (no changes in postgresql.conf)
Windows 7 64 bit
Hardware:
Intel Core i7-3770 3.9 Ghz
32 Gb RAM
WDC WD10EZRX-00L4HBAta Drive (1000Gb, ...
0
votes
1
answer
463
views
Insert a group of consistent item with foreign key but colliding with existing items
Is there a way to insert a group of items that are dependent but consistent between them with unique primary keys and foreign keys but that are colliding with items in database.
For example, given a ...