Merge pull request #129 from agiudiceandrea/patch-1

Patch 1

Author: cayetanobv

README.md

@@ -45,4 +45,4 @@ This plugin can be installed using the QGIS Plugin Manager.
 
 pgRouting v3.x up and running to use this plugin.
 
-Additionally, QGIS needs python-psycopg2 installed to be able to connect to the database.
+Additionally, QGIS needs python3-psycopg2 installed to be able to connect to the database.

docs/index.md

@@ -38,7 +38,7 @@ This plugin can be installed using the QGIS Plugin Manager.
 
 - This plugin runs only with QGIS 3.x and Python 3.
 - pgRouting v3.x up and running to use this plugin.
-- Additionally, QGIS needs python-psycopg2 installed to be able to connect to the database.
+- Additionally, QGIS needs python3-psycopg2 installed to be able to connect to the database.
 
 ## Links
 

pgRoutingLayer_utils.py

@@ -129,7 +129,7 @@ def getPgrVersion(con):
     ''' returns version of PostgreSQL database. '''
     try:
         cur = con.cursor()
-        cur.execute('SELECT pgr_version FROM pgr_version()')
+        cur.execute('SELECT version FROM pgr_full_version()')
         row = cur.fetchone()[0]
         versions = ''.join([i for i in row if i.isdigit()])
         version = versions[0]