version=$(psql -U $PLC_DB_USER --quiet --tuples-only --no-align -c \
"SELECT version FROM plc_db_extensions WHERE name='$name' LIMIT 1" \
$PLC_DB_NAME 2>/dev/null | awk '/^[0-9]+$/ { ver=$1 } END { print ver }')
version=$(psql -U $PLC_DB_USER --quiet --tuples-only --no-align -c \
"SELECT version FROM plc_db_extensions WHERE name='$name' LIMIT 1" \
$PLC_DB_NAME 2>/dev/null | awk '/^[0-9]+$/ { ver=$1 } END { print ver }')