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PostgreSQL - made all 'weight' calculating SQL expressions compatible with both databases, and made some GROUP BY queries more explicit about the fields they are selecting, for the same reason.

This commit is contained in:
CiaranG 2009-03-04 15:32:26 +00:00
parent c02a2f1891
commit 115519a5e7
6 changed files with 33 additions and 9 deletions
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8
actions/favorited.php
View File

@ -169,8 +169,14 @@ class FavoritedAction extends Action
function showContent()
{
if (common_config('db', 'type') == 'pgsql') {
$weightexpr='sum(exp(-extract(epoch from (now() - fave.modified)) / %s))';
} else {
$weightexpr='sum(exp(-(now() - fave.modified) / %s))';
}
$qry = 'SELECT notice.*, '.
'sum(exp(-(now() - fave.modified) / %s)) as weight ' .
$weightexpr . ' as weight ' .
'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
'GROUP BY fave.notice_id ' .
'ORDER BY weight DESC';

2
lib/groupsbymemberssection.php
View File

@ -45,7 +45,7 @@ class GroupsByMembersSection extends GroupSection
{
function getGroups()
{
$qry = 'SELECT user_group.*, count(*) as value ' .
$qry = 'SELECT user_group.id, count(*) as value ' .
'FROM user_group JOIN group_member '.
'ON user_group.id = group_member.group_id ' .
'GROUP BY user_group.id ' .

2
lib/groupsbypostssection.php
View File

@ -45,7 +45,7 @@ class GroupsByPostsSection extends GroupSection
{
function getGroups()
{
$qry = 'SELECT user_group.*, count(*) as value ' .
$qry = 'SELECT user_group.id, count(*) as value ' .
'FROM user_group JOIN group_inbox '.
'ON user_group.id = group_inbox.group_id ' .
'GROUP BY user_group.id ' .

8
lib/grouptagcloudsection.php
View File

@ -58,8 +58,14 @@ class GroupTagCloudSection extends TagCloudSection
function getTags()
{
if (common_config('db', 'type') == 'pgsql') {
$weightexpr='sum(exp(-extract(epoch from (now() - notice_tag.created)) / %s))';
} else {
$weightexpr='sum(exp(-(now() - notice_tag.created) / %s))';
}
$qry = 'SELECT notice_tag.tag, '.
'sum(exp(-(now() - notice_tag.created)/%s)) as weight ' .
$weightexpr . ' as weight ' .
'FROM notice_tag JOIN notice ' .
'ON notice_tag.notice_id = notice.id ' .
'JOIN group_inbox on group_inbox.notice_id = notice.id ' .

10
lib/personaltagcloudsection.php
View File

@ -58,8 +58,14 @@ class PersonalTagCloudSection extends TagCloudSection
function getTags()
{
$qry = 'SELECT notice_tag.tag, '.
'sum(exp(-(now() - notice_tag.created)/%s)) as weight ' .
if (common_config('db', 'type') == 'pgsql') {
$weightexpr='sum(exp(-extract(epoch from (now() - notice_tag.created)) / %s))';
} else {
$weightexpr='sum(exp(-(now() - notice_tag.created) / %s))';
}
$qry = 'SELECT notice_tag.tag, '.
$weightexpr . ' as weight ' .
'FROM notice_tag JOIN notice ' .
'ON notice_tag.notice_id = notice.id ' .
'WHERE notice.profile_id = %d ' .

12
lib/popularnoticesection.php
View File

@ -48,10 +48,16 @@ class PopularNoticeSection extends NoticeSection
{
function getNotices()
{
$qry = 'SELECT notice.*, '.
'sum(exp(-(now() - fave.modified) / %s)) as weight ' .
if (common_config('db', 'type') == 'pgsql') {
$weightexpr='sum(exp(-extract(epoch from (now() - fave.modified)) / %s))';
} else {
$weightexpr='sum(exp(-(now() - fave.modified) / %s))';
}
$qry = 'SELECT notice.id, '.
$weightexpr . ' as weight ' .
'FROM notice JOIN fave ON notice.id = fave.notice_id ' .
'GROUP BY fave.notice_id ' .
'GROUP BY notice.id ' .
'ORDER BY weight DESC';
$offset = 0;