post_install()
{
  echo "Installing ODBC driver"
  odbcinst -i -d -f /opt/microsoft/msodbcsql/etc/odbcinst.ini
}

post_remove()
{
  echo "Removing ODBC driver"
  odbcinst -u -d -n "ODBC Driver 13 for SQL Server"
}

post_upgrade()
{
  echo "Reinstalling ODBC driver"
  odbcinst -u -d -n "ODBC Driver 13 for SQL Server"
  odbcinst -i -d -f /opt/microsoft/msodbcsql/etc/odbcinst.ini
}