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Boxiang Sun
gitlab-ce
Commits
d494c9a7
Commit
d494c9a7
authored
8 years ago
by
Douglas Barbosa Alexandre
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Use optimized query to fill the routes table when running PostgreSQL
parent
f140ae88
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2
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2 changed files
with
19 additions
and
6 deletions
+19
-6
db/migrate/20161130101252_fill_projects_routes_table.rb
db/migrate/20161130101252_fill_projects_routes_table.rb
+14
-6
db/migrate/20161202152031_remove_duplicates_from_routes.rb
db/migrate/20161202152031_remove_duplicates_from_routes.rb
+5
-0
No files found.
db/migrate/20161130101252_fill_projects_routes_table.rb
View file @
d494c9a7
...
...
@@ -8,12 +8,20 @@ class FillProjectsRoutesTable < ActiveRecord::Migration
DOWNTIME_REASON
=
'No new projects should be created during data copy'
def
up
execute
<<-
EOF
INSERT INTO routes
(source_id, source_type, path)
(SELECT projects.id, 'Project', concat(namespaces.path, '/', projects.path) FROM projects
INNER JOIN namespaces ON projects.namespace_id = namespaces.id)
EOF
if
Gitlab
::
Database
.
postgresql?
execute
<<-
EOF
INSERT INTO routes (source_id, source_type, path)
(SELECT DISTINCT ON (namespaces.path, projects.path) projects.id, 'Project', concat(namespaces.path, '/', projects.path)
FROM projects INNER JOIN namespaces ON projects.namespace_id = namespaces.id
ORDER BY namespaces.path, projects.path, projects.id DESC)
EOF
else
execute
<<-
EOF
INSERT INTO routes (source_id, source_type, path)
(SELECT projects.id, 'Project', concat(namespaces.path, '/', projects.path)
FROM projects INNER JOIN namespaces ON projects.namespace_id = namespaces.id)
EOF
end
end
def
down
...
...
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db/migrate/20161202152031_remove_duplicates_from_routes.rb
View file @
d494c9a7
...
...
@@ -7,6 +7,11 @@ class RemoveDuplicatesFromRoutes < ActiveRecord::Migration
DOWNTIME
=
false
def
up
# We can skip this migration when running a PostgreSQL database because
# we use an optimized query in the "FillProjectsRoutesTable" migration
# to fill these values that avoid duplicate entries in the routes table.
return
unless
Gitlab
::
Database
.
mysql?
select_all
(
"SELECT path FROM
#{
quote_table_name
(
:routes
)
}
GROUP BY path HAVING COUNT(*) > 1"
).
each
do
|
row
|
path
=
connection
.
quote
(
row
[
'path'
])
execute
(
%Q{
...
...
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