How To Install postgresql-14-ogr-fdw on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
3 minutes • 568 words
Introduction
In this tutorial we learn how to install postgresql-14-ogr-fdw on Ubuntu.
What is postgresql-14-ogr-fdw
postgresql-14-ogr-fdw is:
OGR is the vector half of the GDAL spatial data access library. It allows access to a large number of GIS data formats using a simple C API for data reading and writing. Since OGR exposes a simple table structure and PostgreSQL foreign data wrappers allow access to table structures, the fit seems pretty perfect.
This implementation currently has the following limitations:
- Only non-spatial query restrictions are pushed down to the OGR driver. PostgreSQL foreign data wrappers support delegating portions of the SQL query to the underlying data source, in this case OGR. This implementation currently pushes down only non-spatial query restrictions, and only for the small subset of comparison operators (>, <, <=, >=, =) supported by OGR.
- Spatial restrictions are not pushed down. OGR can handle basic bounding box restrictions and even (for some drivers) more explicit intersection restrictions, but those are not passed to the OGR driver yet.
- OGR connections every time Rather than pooling OGR connections, each query makes (and disposes of) two new ones, which seems to be the largest performance drag at the moment for restricted (small) queries.
- All columns are retrieved every time. PostgreSQL foreign data wrappers don’t require all columns all the time, and some efficiencies can be gained by only requesting the columns needed to fulfill a query. This would be a minimal efficiency improvement, but can be removed given some development time, since the OGR API supports returning a subset of columns.
There are three methods to install postgresql-14-ogr-fdw on Ubuntu. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install postgresql-14-ogr-fdw Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install postgresql-14-ogr-fdw using apt-get by running the following command:
sudo apt-get -y install postgresql-14-ogr-fdw
Install postgresql-14-ogr-fdw Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install postgresql-14-ogr-fdw using apt by running the following command:
sudo apt -y install postgresql-14-ogr-fdw
Install postgresql-14-ogr-fdw Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install postgresql-14-ogr-fdw using aptitude by running the following command:
sudo aptitude -y install postgresql-14-ogr-fdw
How To Uninstall postgresql-14-ogr-fdw on Ubuntu
To uninstall only the postgresql-14-ogr-fdw package we can use the following command:
sudo apt-get remove postgresql-14-ogr-fdw
Uninstall postgresql-14-ogr-fdw And Its Dependencies
To uninstall postgresql-14-ogr-fdw and its dependencies that are no longer needed by Ubuntu, we can use the command below:
sudo apt-get -y autoremove postgresql-14-ogr-fdw
Remove postgresql-14-ogr-fdw Configurations and Data
To remove postgresql-14-ogr-fdw configuration and data from Ubuntu we can use the following command:
sudo apt-get -y purge postgresql-14-ogr-fdw
Remove postgresql-14-ogr-fdw configuration, data, and all of its dependencies
We can use the following command to remove postgresql-14-ogr-fdw configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge postgresql-14-ogr-fdw
Dependencies
postgresql-14-ogr-fdw have the following dependencies:
References
Summary
In this tutorial we learn how to install postgresql-14-ogr-fdw package on Ubuntu using different package management tools: apt, apt-get and aptitude.