Open Source

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set_user: Understanding Logfile Output

As we discussed in our initial blog post on set_user, the Sarbanes–Oxley Act, passed in 2002, requires publicly owned companies to audit a user's (esp. superuser's) access and interactions with data. Companies storing financial or human subject data are particularly susceptible to hacking. What you need is x-ray vision Your audit trail should always include [...]

set_user: Understanding the set_user_u Function

In our last blog post, set_user: Installation and Set-Up, we introduced you to the set_user component, installed the extension in a database, created a new user, and granted it set_user function execution privileges. If you recall, the set_user documentation states the main goal is to: grant the EXECUTE privilege to the set_user() and/or set_user_u() function [...]

By | September 18th, 2017|Categories: Holly PostgreSQL|Tags: , , , , , , , , , |0 Comments

BigSQL + PostGIS: Reprojecting Your Spatial Data with ST_Transform

With our latest release of PostGIS (release 2.3.3), projection datum shift files have been included across all the platforms. You will find them located in: bigsql/pg96/share/postgresql/contrib/postgis-2.3/proj Why do you care? Well, this means you can easily reproject your PostGIS data using the ST_Transform command. > ST_Transform — Return a new geometry with its coordinates transformed [...]

By | July 31st, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , , |0 Comments

PostGIS 2.3.3 is Now Available with BigSQL!

The good folks on the PostGIS development team recently the released of PostGIS 2.3.3: As befits a patch release, the focus is on bugs and breakages. Best served with PostgreSQL 9.6.3+ and pgRouting 2.4.1. See the full list of changes here. And now... the new release is available in the BigSQL distribution! If you haven't [...]

By | July 24th, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , , , |4 Comments

Setting Up LDAP with Active Directory in PostgreSQL

In the example below, we are setting up LDAP with Active Directory (AD), one of the more popular server implementations, using the BigSQL PostgreSQL 96 distribution. Available for Windows and Linux. Download BigSQL Distribution Linux: python -c "$(curl -fsSL http://s3.amazonaws.com/pgcentral/install.py)" Windows: @powershell -NoProfile -ExecutionPolicy unrestricted -Command "iex ((new-object net.webclient).DownloadString('http://s3.amazonaws.com/pgcentral/install.ps1'))" Find the bigsql directory and install [...]

pgAdmin3 LTS Now Supports PostgreSQL 8.4 – 10

We are pleased to announce pgAdmin3 LTS is now available on OSX and Windows for PostgreSQL 10! As v1.0 of pgAdmin4 was released in September of 2016, the pgAdmin Development Team decided to no longer support pgAdmin III with any more fixes. We believe that pgAdmin3 usage should fade out over time and have forked [...]

By | June 22nd, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , |3 Comments

GDAL New Release 2.2 – BigSQL Makes it Easy to Install

The GDAL community just announced the release of GDAL 2.2... and BigSQL just made it easier to implement! Install it Now We support Diegos and Yodas with 2 ways to install: Option 1: Install with the pgDevOps GUI For GIS analysts (scientists, statisticians, analysts, etc) who find themselves as the de facto DBA (among other [...]

By | June 19th, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , , , , |0 Comments

Connecting to Remote Spatial Data Sources with ogr_fdw

Shout out goes to Regina Obe and Paul Ramsey for their work and documentation on ogr_fdw. The ogr_fdw project can be found here: https://github.com/pramsey/pgsql-ogr-fdw. ogr+fdw = ogr_fdw In an earlier post, I showed you how to use the ogr2ogr (or as my geogeek friends like to call it "ogre to ogre") command line tool to [...]

Install PostgreSQL 10 Today

Hey, have you heard? PostgreSQL 10 Beta is road ready! Kick the tires and take the cool new features and improvements out for a spin. Highlights include: Declarative Partitioning Logical Replication SCRAM Authentication See the full list of features here. Take the easy route Never used the BigSQL PostgreSQL Distributions before? Follow these 5 easy [...]

By | May 19th, 2017|Categories: Holly PostgreSQL|Tags: , , , , , , , , |2 Comments

Successful database Migrations : Are they really possible?

We talk to a lot of clients who want to perform database migrations but just about all of them are skeptical that the project will be a success. There are a number of reasons for this, including: Fear Lack of time to take on project Belief that their usage isn’t easy convertible to a new [...]

By | March 2nd, 2017|Categories: OpenSCG, OpenSource, PostgreSQL, thoughts, Uncategorized|Tags: , , , , |0 Comments