[support] Avoiding a drush / drupal version mismatch

[Dan Kegel]

I spoke too soon.  With a 6.x drush, 'drush si' succeeded, but trying
to load the new site in a browser produces a white page;
/var/log/apache/error.log says

PHP Warning:  Table 'drupal.access' doesn't exist\nquery: SELECT 1
FROM access WHERE type = 'host' AND LOWER('192.168.19.2') LIKE
LOWER(mask) AND status = 0 LIMIT 0, 1 in includes/database.mysql.inc o
n line 135
PHP Warning:  Table 'drupal.users' doesn't exist\nquery: SELECT u.*,
s.* FROM users u INNER JOIN sessions s ON u.uid = s.uid WHERE s.sid =
'rhtogqfjg5r8h6u21h0952qkv7' in includes/database.mysql.inc o
n line 135
PHP Warning:  Table 'drupal.cache' doesn't exist\nquery: SELECT data,
created, headers, expire, serialized FROM cache WHERE cid =
'variables' in includes/database.mysql.inc on line 135
PHP Warning:  Table 'drupal.variable' doesn't exist\nquery: SELECT *
FROM variable in includes/database.mysql.inc on line 135
PHP Notice:  Undefined variable: variables in includes/bootstrap.inc on line 561
PHP Warning:  Table 'drupal.cache' doesn't exist\nquery: UPDATE cache
SET data = '', created = 1401060671, expire = 0, headers = '',
serialized = 0 WHERE cid = 'variables' in includes/database.mysql.i
nc on line 135
PHP Notice:  Undefined variable: variables in includes/bootstrap.inc on line 568
PHP Warning:  Table 'drupal.system' doesn't exist\nquery: SELECT name,
filename, throttle FROM system WHERE type = 'module' AND status = 1
AND bootstrap = 1 ORDER BY weight ASC, filename ASC in includ
es/database.mysql.inc on line 135
PHP Warning:  Table 'drupal.url_alias' doesn't exist\nquery: SELECT
COUNT(pid) FROM url_alias in includes/database.mysql.inc on line 135

I must not be living cleanly.  "drush si" used to work for me...

On Sun, May 25, 2014 at 1:24 PM, Dan Kegel <dank at kegel.com> wrote:
> I just wasted a few hours trying to track down the error
>
> Table &#039;drupal.variable&#039; doesn&#039;t exist
>
> when doing drush si.  Turns out that the releases of drush marked 6.x at
> https://drupal.org/node/97249/release?api_version%5B%5D=87
> work fine with Drupal 6, but the releases at
> https://github.com/drush-ops/drush/releases
> all seem to exhibit the bug.  I guess the github project
> releases simply aren't meant to support Drupal 6.
>
> So, if you're trying to use drush with drupal 6, best to
> use the old download page, not the one at github.
>
> Probably this was obvious to everyone else, but it was a surprise to me.