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Léo-Paul Géneau
gitlab-ce
Commits
1aa67247
Commit
1aa67247
authored
May 19, 2017
by
Lin Jen-Shin
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Add temporary partial index to speed up the migration
Closes #32469
parent
01a7f333
Changes
1
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1 changed file
with
28 additions
and
14 deletions
+28
-14
db/post_migrate/20170503004427_upate_retried_for_ci_build.rb
db/post_migrate/20170503004427_upate_retried_for_ci_build.rb
+28
-14
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db/post_migrate/20170503004427_upate_retried_for_ci_build.rb
View file @
1aa67247
...
...
@@ -2,28 +2,42 @@ class UpateRetriedForCiBuild < ActiveRecord::Migration
include
Gitlab
::
Database
::
MigrationHelpers
DOWNTIME
=
false
disable_ddl_transaction!
def
up
disable_statement_timeout
latest_id
=
<<-
SQL
.
strip_heredoc
SELECT MAX(ci_builds2.id)
FROM ci_builds ci_builds2
WHERE ci_builds.commit_id=ci_builds2.commit_id
AND ci_builds.name=ci_builds2.name
SQL
# This is slow update as it does single-row query
# This is designed to be run as idle, or a post deployment migration
is_retried
=
Arel
.
sql
(
"((
#{
latest_id
}
) != ci_builds.id)"
)
update_column_in_batches
(
:ci_builds
,
:retried
,
is_retried
)
do
|
table
,
query
|
query
.
where
(
table
[
:retried
].
eq
(
nil
))
with_temporary_partial_index
do
latest_id
=
<<-
SQL
.
strip_heredoc
SELECT MAX(ci_builds2.id)
FROM ci_builds ci_builds2
WHERE ci_builds.commit_id=ci_builds2.commit_id
AND ci_builds.name=ci_builds2.name
SQL
# This is slow update as it does single-row query
# This is designed to be run as idle, or a post deployment migration
is_retried
=
Arel
.
sql
(
"((
#{
latest_id
}
) != ci_builds.id)"
)
update_column_in_batches
(
:ci_builds
,
:retried
,
is_retried
)
do
|
table
,
query
|
query
.
where
(
table
[
:retried
].
eq
(
nil
))
end
end
end
def
down
end
def
with_temporary_partial_index
if
Gitlab
::
Database
.
postgresql?
execute
'CREATE INDEX CONCURRENTLY IF NOT EXISTS index_for_ci_builds_retried_migration ON ci_builds (id) WHERE retried IS NULL;'
end
yield
if
Gitlab
::
Database
.
postgresql?
execute
'DROP INDEX CONCURRENTLY IF EXISTS index_for_ci_builds_retried_migration'
end
end
end
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