Add latest changes from gitlab-org/gitlab@master
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@ -102,33 +102,16 @@ module RelativePositioning
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delta = at_end ? gap : -gap
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indexed = (at_end ? objects : objects.reverse).each_with_index
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# Some classes are polymorphic, and not all siblings are in the same table.
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by_model = indexed.group_by { |pair| pair.first.class }
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lower_bound, upper_bound = at_end ? [position, MAX_POSITION] : [MIN_POSITION, position]
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by_model.each do |model, pairs|
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model.transaction do
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pairs.each_slice(100) do |batch|
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# These are known to be integers, one from the DB, and the other
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# calculated by us, and thus safe to interpolate
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values = batch.map do |obj, i|
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desired_pos = position + delta * (i + 1)
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pos = desired_pos.clamp(lower_bound, upper_bound)
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obj.relative_position = pos
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"(#{obj.id}, #{pos})"
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end.join(', ')
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model.connection.exec_query(<<~SQL, "UPDATE #{model.table_name} positions")
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WITH cte(cte_id, new_pos) AS (
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SELECT *
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FROM (VALUES #{values}) as t (id, pos)
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)
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UPDATE #{model.table_name}
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SET relative_position = cte.new_pos
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FROM cte
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WHERE cte_id = id
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SQL
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representative.model_class.transaction do
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indexed.each_slice(100) do |batch|
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mapping = batch.to_h.transform_values! do |i|
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desired_pos = position + delta * (i + 1)
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{ relative_position: desired_pos.clamp(lower_bound, upper_bound) }
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end
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::Gitlab::Database::BulkUpdate.execute([:relative_position], mapping, &:model_class)
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end
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end
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@ -206,4 +189,10 @@ module RelativePositioning
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def reset_relative_position
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reset.relative_position
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end
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# Override if the model class needs a more complicated computation (e.g. the
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# object is a member of a union).
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def model_class
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self.class
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end
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end
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@ -2,15 +2,39 @@
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# rubocop:disable Style/SignalException
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PATTERNS = %w[
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%a.btn.btn-
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%button.btn.btn-
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.alert
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.alert-danger
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.alert-dismissible
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.alert-info
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.alert-link
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.alert-primary
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.alert-success
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.alert-warning
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.nav-tabs
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.toolbar-button-icon
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.tooltip
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.tooltip-inner
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<button
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<tabs
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bs-callout
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createFlash
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deprecated-modal
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gl-deprecated-button
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loading-button
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pagination-button
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gl-deprecated-dropdown
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gl-deprecated-dropdown-divider
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gl-deprecated-dropdown-header
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gl-deprecated-dropdown-item
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graphql_pagination
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has-tooltip
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has_tooltip
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initDeprecatedJQueryDropdown
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loading-button
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pagination-button
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v-popover
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v-tooltip
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with_tooltip
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].freeze
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BLOCKING_PATTERNS = %w[
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@ -0,0 +1,61 @@
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---
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- title: Use HashiCorp Vault secrets in CI jobs
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body: In GitLab 12.10, GitLab introduced functionality for GitLab Runner to fetch and inject secrets into CI jobs. GitLab is now expanding the JWT Vault Authentication method by building a new secrets syntax in the .gitlab-ci.yml file. This makes it easier for you to configure and use HashiCorp Vault with GitLab.
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stage: Release
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self-managed: true
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gitlab-com: true
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packages: [Premium, Ultimate]
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url: https://docs.gitlab.com/ee/ci/secrets
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image_url: https://about.gitlab.com/images/13_4/vault_ci.png
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published_at: 2020-09-22
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release: 13.4
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- title: Introducing the GitLab Kubernetes Agent
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body: "GitLab's Kubernetes integration has long enabled deployment to Kubernetes clusters without manual setup. Many users have enjoyed the ease-of-use, while others have run into some challenges. The current integration requires your cluster to be open to the Internet for GitLab to access it. For many organizations, this isn't possible, because they must lock down their cluster access for security, compliance, or regulatory purposes. To work around these restrictions, users needed to create custom tooling on top of GitLab, or they couldn't use the feature. Today, we're announcing the GitLab Kubernetes Agent: a new way to deploy to Kubernetes clusters. The Agent runs inside of your cluster, so you don't need to open it to the internet. The Agent orchestrates deployments by pulling new changes from GitLab, rather than GitLab pushing updates to the cluster. No matter what method of GitOps you use, GitLab has you covered."
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stage: Configure
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self-managed: true
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gitlab-com: false
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packages: [Premium, Ultimate]
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url: https://docs.gitlab.com/ee/user/clusters/agent
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image_url: https://about.gitlab.com/images/13_4/gitops-header.png
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published_at: 2020-09-22
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release: 13.4
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- title: Grant users deployment permissions without code access
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body: If your team needs to maintain separation of duties between team members who own development, and team members who own deployments, the permissions paradigm in GitLab has made this challenging. In GitLab 13.4, you can give non-code contributors permission to approve merge requests for deployment, and actually deploy code, without also granting them maintainer access.
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stage: Release
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self-managed: true
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gitlab-com: true
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packages: [Premium, Ultimate]
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url: https://docs.gitlab.com/ee/ci/environments/protected_environments.html#environment-access-by-group-membership
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image_url: https://about.gitlab.com/images/13_4/deployer-role.png
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published_at: 2020-09-22
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release: 13.4
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- title: Security Center
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body: We've made a foundational change to security visibility and management in GitLab. The Instance Security Dashboard has been transformed into a Security Center. The biggest change is introducing a new menu structure. Rather than a single page, you can now find a Security Dashboard, Vulnerability Report, and Settings area. While the functionality hasn't changed, breaking things apart enables future enhancements that would have been difficult otherwise. This also creates a top-level framework for including other security-related functionality in the future. The dedicated Vulnerability Report now has more room to display important details and inherits those currently found on the Project vulnerability list. Separating the vulnerability metrics widgets into their own area creates a true Security Dashboard.
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stage: Secure
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self-managed: true
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gitlab-com: true
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packages: [Ultimate]
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url: https://docs.gitlab.com/ee/user/application_security/security_dashboard/#instance-security-center
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image_url: https://about.gitlab.com/images/13_4/instance_vulnerability_report.png
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published_at: 2020-09-22
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release: 13.4
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- title: Feature Flags made available in GitLab Starter
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body: Earlier this year, GitLab committed to moving 18 features to our open source core product. With this release of GitLab we've finished moving Feature Flags to Starter, and we are continuing to migrate our Feature Flag service to Core in GitLab 13.5. We're excited about bringing these features to more users and seeing what use cases and workflows you use them for.
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stage: Release
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self-managed: true
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gitlab-com: true
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packages: [starter, premium, ultimate]
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url: https://www.youtube.com/embed/1FBRaBQTQZk
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image_url: http://i3.ytimg.com/vi/1FBRaBQTQZk/maxresdefault.jpg
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published_at: 2020-09-22
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release: 13.4
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- title: Quick navigation using the Search bar
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body: When navigating through GitLab, sometimes you just want to go to a specific project and not a search result page. Using the Global search bar, you can now quickly jump to recent issues, groups, projects, settings, and help topics. You can even use the `/` keyboard shortcut to move the cursor to the search bar, to navigate GitLab even more efficiently!
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stage: Enablement
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self-managed: true
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gitlab-com: true
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packages: [core, starter, premium, ultimate]
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url: https://docs.gitlab.com/ee/user/search/#autocomplete-suggestions
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image_url: https://about.gitlab.com/images/13_4/enablement_global_search.gif
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published_at: 2020-09-22
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release: 13.4
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@ -31,7 +31,7 @@ the `author` field. GitLab team members **should not**.
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- Any change that introduces a database migration, whether it's regular, post,
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or data migration, **must** have a changelog entry, even if it is behind a
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disabled feature flag. Since the migration is executed on [GitLab FOSS](https://gitlab.com/gitlab-org/gitlab-foss/),
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disabled feature flag. Since the migration is executed on [GitLab FOSS](https://gitlab.com/gitlab-org/gitlab-foss/),
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the changelog for database schema changes should be written to the
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`changelogs/unreleased/` directory, even when other elements of that change affect only GitLab EE.
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@ -15,7 +15,6 @@ Because of the way [Ruby on Rails manages database
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connections](#connection-lifecycle), it is important that we have at
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least as many connections as we have threads. While there is a 'pool'
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setting in [`database.yml`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/config/database.yml.postgresql), it is not very practical because you need to
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maintain it in tandem with the number of application threads. Because
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maintain it in tandem with the number of application threads. For this
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reason, we override the number of allowed connections in the database
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connection-pool based on the configured number of application threads.
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@ -57,6 +57,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
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- [Query Count Limits](../query_count_limits.md)
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- [Creating enums](../creating_enums.md)
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- [Client-side connection-pool](client_side_connection_pool.md)
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- [Updating multiple values](./setting_multiple_values.md)
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## Case studies
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@ -0,0 +1,103 @@
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# Setting Multiple Values
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> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/32921) in GitLab 13.5.
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Frequently, we will want to update multiple objects with new values for one
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or more columns. The obvious way to do this is using `Relation#update_all`:
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```ruby
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user.issues.open.update_all(due_date: 7.days.from_now) # (1)
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user.issues.update_all('relative_position = relative_position + 1') # (2)
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```
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But what do you do if you cannot express the update as either a static value (1)
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or as a calculation (2)?
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Thankfully we can use `UPDATE FROM` to express the need to update multiple rows
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with distinct values in a single query. One can either use a temporary table, or
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a Common Table Expression (CTE), and then use that as the source of the updates:
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```sql
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with updates(obj_id, new_title, new_weight) as (
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values (1 :: integer, 'Very difficult issue' :: text, 8 :: integer),
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(2, 'Very easy issue', 1)
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)
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update issues
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set title = new_title, weight = new_weight
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from updates
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where id = obj_id
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```
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The bad news: There is no way to express this in ActiveRecord or even dropping
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down to ARel - the `UpdateManager` just does not support `update from`, so this
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is not expressible.
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The good news: We supply an abstraction to help you generate these kinds of
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updates, called `Gitlab::Database::BulkUpdate`. This constructs queries such as the
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above, and uses binding parameters to avoid SQL injection.
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## Usage
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To use this, we need:
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- the list of columns to update
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- a mapping from object/ID to the new values to set for that object
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- a way to determine the table for each object
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So for example, we can express the query above as:
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```ruby
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issue_a = Issue.find(..)
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issue_b = Issue.find(..)
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# Issues a single query:
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::Gitlab::Database::BulkUpdate.execute(%i[title weight], {
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issue_a => { title: 'Very difficult issue', weight: 8 },
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issue_b => { title: 'Very easy issue', weight: 1 }
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})
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```
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Here the table can be determined automatically, from calling
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`object.class.table_name`, so we don't need to provide anything.
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We can even pass heterogeneous sets of objects, if the updates all make sense
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for them:
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```ruby
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issue_a = Issue.find(..)
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issue_b = Issue.find(..)
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merge_request = MergeRequest.find(..)
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# Issues two queries
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::Gitlab::Database::BulkUpdate.execute(%i[title], {
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issue_a => { title: 'A' },
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issue_b => { title: 'B' },
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merge_request => { title: 'B' }
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})
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```
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If your objects do not return the correct model class (perhaps because they are
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part of a union), then we need to specify this explicitly in a block:
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```ruby
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bazzes = params
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objects = Foo.from_union([
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Foo.select("id, 'foo' as object_type").where(quux: true),
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Bar.select("id, 'bar' as object_type").where(wibble: true)
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])
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# At this point, all the objects are instances of Foo, even the ones from the
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# Bar table
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mapping = objects.to_h { |obj| [obj, bazzes[obj.id] }
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# Issues at most 2 queries
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::Gitlab::Database::BulkUpdate.execute(%i[baz], mapping) do |obj|
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obj.object_type.constantize
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end
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```
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## Caveats
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Note that this is a **very low level** tool, and operates on the raw column
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values. Enumerations and state fields must be translated into their underlying
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representations, for example, and nested associations are not supported. No
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validations or hooks will be called.
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@ -226,7 +226,7 @@ sum(JiraImportState.finished, :imported_issues_count)
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### Grouping & Batch Operations
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The `count`, `distinct_count`, and `sum` batch counters can accept an `ActiveRecord::Relation`
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object, which groups by a specified column. With a grouped relation, the methods do batch counting,
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object, which groups by a specified column. With a grouped relation, the methods do batch counting,
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handle errors, and returns a hash table of key-value pairs.
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Examples:
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@ -912,7 +912,7 @@ The following is example content of the Usage Ping payload.
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## Exporting Usage Ping SQL queries and definitions
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Two Rake tasks exist to export Usage Ping definitions.
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Two Rake tasks exist to export Usage Ping definitions.
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- The Rake tasks export the raw SQL queries for `count`, `distinct_count`, `sum`.
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- The Rake tasks export the Redis counter class or the line of the Redis block for `redis_usage_data`.
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@ -1,6 +1,6 @@
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# Environment selection
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Some tests are designed to be run against specific environments or [pipelines](https://about.gitlab.com/handbook/engineering/quality/guidelines/debugging-qa-test-failures/#scheduled-qa-test-pipelines).
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Some tests are designed to be run against specific environments or [pipelines](https://about.gitlab.com/handbook/engineering/quality/guidelines/debugging-qa-test-failures/#scheduled-qa-test-pipelines).
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We can specify what environments or pipelines to run tests against using the `only` metadata.
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## Available switches
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|
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@ -232,7 +232,7 @@ This allows you to create unique boards according to your team's need.
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You can define the scope of your board when creating it or by clicking the "Edit board" button.
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Once a milestone, assignee or weight is assigned to an issue board, you can no longer
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Once a milestone, assignee or weight is assigned to an issue board, you can no longer
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filter through these in the search bar. In order to do that, you need to remove the desired scope
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(for example, milestone, assignee, or weight) from the issue board.
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|
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@ -0,0 +1,168 @@
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# frozen_string_literal: true
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module Gitlab
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module Database
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# Constructs queries of the form:
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#
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# with cte(a, b, c) as (
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# select * from (values (:x, :y, :z), (:q, :r, :s)) as t
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# )
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# update table set b = cte.b, c = cte.c where a = cte.a
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#
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# Which is useful if you want to update a set of records in a single query
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# but cannot express the update as a calculation (i.e. you have arbitrary
|
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# updates to perform).
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#
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# The requirements are that the table must have an ID column used to
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# identify the rows to be updated.
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#
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# Usage:
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#
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# mapping = {
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# issue_a => { title: 'This title', relative_position: 100 },
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# issue_b => { title: 'That title', relative_position: 173 }
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# }
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#
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# ::Gitlab::Database::BulkUpdate.execute(%i[title relative_position], mapping)
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#
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||||
# Note that this is a very low level tool, and operates on the raw column
|
||||
# values. Enums/state fields must be translated into their underlying
|
||||
# representations, for example, and no hooks will be called.
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#
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module BulkUpdate
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LIST_SEPARATOR = ', '
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class Setter
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include Gitlab::Utils::StrongMemoize
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def initialize(model, columns, mapping)
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@table_name = model.table_name
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@connection = model.connection
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@columns = self.class.column_definitions(model, columns)
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@mapping = self.class.value_mapping(mapping)
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end
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def update!
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if without_prepared_statement?
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# A workaround for https://github.com/rails/rails/issues/24893
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# When prepared statements are prevented (such as when using the
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# query counter or in omnibus by default), we cannot call
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# `exec_update`, since that will discard the bindings.
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connection.send(:exec_no_cache, sql, log_name, params) # rubocop: disable GitlabSecurity/PublicSend
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else
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connection.exec_update(sql, log_name, params)
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end
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end
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def self.column_definitions(model, columns)
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raise ArgumentError, 'invalid columns' if columns.blank? || columns.any? { |c| !c.is_a?(Symbol) }
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raise ArgumentError, 'cannot set ID' if columns.include?(:id)
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([:id] | columns).map { |name| column_definition(model, name) }
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end
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def self.column_definition(model, name)
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definition = model.column_for_attribute(name)
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raise ArgumentError, "Unknown column: #{name}" unless definition.type
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definition
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end
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def self.value_mapping(mapping)
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raise ArgumentError, 'invalid mapping' if mapping.blank?
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raise ArgumentError, 'invalid mapping value' if mapping.any? { |_k, v| !v.is_a?(Hash) }
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mapping
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end
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private
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attr_reader :table_name, :connection, :columns, :mapping
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def log_name
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strong_memoize(:log_name) do
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"BulkUpdate #{table_name} #{columns.drop(1).map(&:name)}:#{mapping.size}"
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end
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end
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def params
|
||||
mapping.flat_map do |k, v|
|
||||
obj_id = k.try(:id) || k
|
||||
v = v.merge(id: obj_id)
|
||||
columns.map { |c| query_attribute(c, k, v.with_indifferent_access) }
|
||||
end
|
||||
end
|
||||
|
||||
# A workaround for https://github.com/rails/rails/issues/24893
|
||||
# We need to detect if prepared statements have been disabled.
|
||||
def without_prepared_statement?
|
||||
strong_memoize(:without_prepared_statement) do
|
||||
connection.send(:without_prepared_statement?, [1]) # rubocop: disable GitlabSecurity/PublicSend
|
||||
end
|
||||
end
|
||||
|
||||
def query_attribute(column, key, values)
|
||||
value = values[column.name]
|
||||
key[column.name] = value if key.try(:id) # optimistic update
|
||||
ActiveRecord::Relation::QueryAttribute.from_user(nil, value, ActiveModel::Type.lookup(column.type))
|
||||
end
|
||||
|
||||
def values
|
||||
counter = 0
|
||||
typed = false
|
||||
|
||||
mapping.map do |k, v|
|
||||
binds = columns.map do |c|
|
||||
bind = "$#{counter += 1}"
|
||||
# PG is not great at inferring types - help it for the first row.
|
||||
bind += "::#{c.sql_type}" unless typed
|
||||
bind
|
||||
end
|
||||
typed = true
|
||||
|
||||
"(#{list_of(binds)})"
|
||||
end
|
||||
end
|
||||
|
||||
def list_of(list)
|
||||
list.join(LIST_SEPARATOR)
|
||||
end
|
||||
|
||||
def sql
|
||||
<<~SQL
|
||||
WITH cte(#{list_of(cte_columns)}) AS (VALUES #{list_of(values)})
|
||||
UPDATE #{table_name} SET #{list_of(updates)} FROM cte WHERE cte_id = id
|
||||
SQL
|
||||
end
|
||||
|
||||
def column_names
|
||||
strong_memoize(:column_names) { columns.map(&:name) }
|
||||
end
|
||||
|
||||
def cte_columns
|
||||
strong_memoize(:cte_columns) do
|
||||
column_names.map do |c|
|
||||
connection.quote_column_name("cte_#{c}")
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def updates
|
||||
column_names.zip(cte_columns).drop(1).map do |dest, src|
|
||||
"#{connection.quote_column_name(dest)} = cte.#{src}"
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def self.execute(columns, mapping, &to_class)
|
||||
raise ArgumentError if mapping.blank?
|
||||
|
||||
entries_by_class = mapping.group_by { |k, v| block_given? ? to_class.call(k) : k.class }
|
||||
|
||||
entries_by_class.each do |model, entries|
|
||||
Setter.new(model, columns, entries).update!
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
@ -61,7 +61,7 @@ module Gitlab
|
|||
end
|
||||
|
||||
def current_transaction
|
||||
Transaction.current
|
||||
::Gitlab::Metrics::Transaction.current
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
|
|||
|
|
@ -0,0 +1,139 @@
|
|||
# frozen_string_literal: true
|
||||
|
||||
require 'spec_helper'
|
||||
|
||||
RSpec.describe Gitlab::Database::BulkUpdate do
|
||||
describe 'error states' do
|
||||
let(:columns) { %i[title] }
|
||||
|
||||
let_it_be(:mapping) do
|
||||
create_default(:user)
|
||||
create_default(:project)
|
||||
|
||||
i_a, i_b = create_list(:issue, 2)
|
||||
|
||||
{
|
||||
i_a => { title: 'Issue a' },
|
||||
i_b => { title: 'Issue b' }
|
||||
}
|
||||
end
|
||||
|
||||
it 'does not raise errors on valid inputs' do
|
||||
expect { described_class.execute(columns, mapping) }.not_to raise_error
|
||||
end
|
||||
|
||||
it 'expects a non-empty list of column names' do
|
||||
expect { described_class.execute([], mapping) }.to raise_error(ArgumentError)
|
||||
end
|
||||
|
||||
it 'expects all columns to be symbols' do
|
||||
expect { described_class.execute([1], mapping) }.to raise_error(ArgumentError)
|
||||
end
|
||||
|
||||
it 'expects all columns to be valid columns on the tables' do
|
||||
expect { described_class.execute([:foo], mapping) }.to raise_error(ArgumentError)
|
||||
end
|
||||
|
||||
it 'refuses to set ID' do
|
||||
expect { described_class.execute([:id], mapping) }.to raise_error(ArgumentError)
|
||||
end
|
||||
|
||||
it 'expects a non-empty mapping' do
|
||||
expect { described_class.execute(columns, []) }.to raise_error(ArgumentError)
|
||||
end
|
||||
|
||||
it 'expects all map values to be Hash instances' do
|
||||
bad_map = mapping.merge(build(:issue) => 2)
|
||||
|
||||
expect { described_class.execute(columns, bad_map) }.to raise_error(ArgumentError)
|
||||
end
|
||||
end
|
||||
|
||||
it 'is possible to update all objects in a single query' do
|
||||
users = create_list(:user, 3)
|
||||
mapping = users.zip(%w(foo bar baz)).to_h do |u, name|
|
||||
[u, { username: name, admin: true }]
|
||||
end
|
||||
|
||||
expect do
|
||||
described_class.execute(%i[username admin], mapping)
|
||||
end.not_to exceed_query_limit(1)
|
||||
|
||||
# We have optimistically updated the values
|
||||
expect(users).to all(be_admin)
|
||||
expect(users.map(&:username)).to eq(%w(foo bar baz))
|
||||
|
||||
users.each(&:reset)
|
||||
|
||||
# The values are correct on reset
|
||||
expect(users).to all(be_admin)
|
||||
expect(users.map(&:username)).to eq(%w(foo bar baz))
|
||||
end
|
||||
|
||||
it 'is possible to update heterogeneous sets' do
|
||||
create_default(:user)
|
||||
create_default(:project)
|
||||
|
||||
mr_a = create(:merge_request)
|
||||
i_a, i_b = create_list(:issue, 2)
|
||||
|
||||
mapping = {
|
||||
mr_a => { title: 'MR a' },
|
||||
i_a => { title: 'Issue a' },
|
||||
i_b => { title: 'Issue b' }
|
||||
}
|
||||
|
||||
expect do
|
||||
described_class.execute(%i[title], mapping)
|
||||
end.not_to exceed_query_limit(2)
|
||||
|
||||
expect([mr_a, i_a, i_b].map { |x| x.reset.title })
|
||||
.to eq(['MR a', 'Issue a', 'Issue b'])
|
||||
end
|
||||
|
||||
shared_examples 'basic functionality' do
|
||||
it 'sets multiple values' do
|
||||
create_default(:user)
|
||||
create_default(:project)
|
||||
|
||||
i_a, i_b = create_list(:issue, 2)
|
||||
|
||||
mapping = {
|
||||
i_a => { title: 'Issue a' },
|
||||
i_b => { title: 'Issue b' }
|
||||
}
|
||||
|
||||
described_class.execute(%i[title], mapping)
|
||||
|
||||
expect([i_a, i_b].map { |x| x.reset.title })
|
||||
.to eq(['Issue a', 'Issue b'])
|
||||
end
|
||||
end
|
||||
|
||||
include_examples 'basic functionality'
|
||||
|
||||
context 'when prepared statements are configured differently to the normal test environment' do
|
||||
# rubocop: disable RSpec/LeakyConstantDeclaration
|
||||
# This cop is disabled because you cannot call establish_connection on
|
||||
# an anonymous class.
|
||||
class ActiveRecordBasePreparedStatementsInverted < ActiveRecord::Base
|
||||
def self.abstract_class?
|
||||
true # So it gets its own connection
|
||||
end
|
||||
end
|
||||
# rubocop: enable RSpec/LeakyConstantDeclaration
|
||||
|
||||
before_all do
|
||||
c = ActiveRecord::Base.connection.instance_variable_get(:@config)
|
||||
inverted = c.merge(prepared_statements: !ActiveRecord::Base.connection.prepared_statements)
|
||||
ActiveRecordBasePreparedStatementsInverted.establish_connection(inverted)
|
||||
end
|
||||
|
||||
before do
|
||||
allow(ActiveRecord::Base).to receive(:connection_specification_name)
|
||||
.and_return(ActiveRecordBasePreparedStatementsInverted.connection_specification_name)
|
||||
end
|
||||
|
||||
include_examples 'basic functionality'
|
||||
end
|
||||
end
|
||||
|
|
@ -37,18 +37,11 @@ RSpec.describe RelativePositioning::Mover do
|
|||
end
|
||||
|
||||
def set_positions(positions)
|
||||
vals = issues.zip(positions).map do |issue, pos|
|
||||
issue.relative_position = pos
|
||||
"(#{issue.id}, #{pos})"
|
||||
end.join(', ')
|
||||
mapping = issues.zip(positions).to_h do |issue, pos|
|
||||
[issue, { relative_position: pos }]
|
||||
end
|
||||
|
||||
Issue.connection.exec_query(<<~SQL, 'set-positions')
|
||||
WITH cte(cte_id, new_pos) AS (
|
||||
SELECT * FROM (VALUES #{vals}) as t (id, pos)
|
||||
)
|
||||
UPDATE issues SET relative_position = new_pos FROM cte WHERE id = cte_id
|
||||
;
|
||||
SQL
|
||||
::Gitlab::Database::BulkUpdate.execute([:relative_position], mapping)
|
||||
end
|
||||
|
||||
def ids_in_position_order
|
||||
|
|
|
|||
|
|
@ -152,9 +152,26 @@ RSpec.shared_examples 'a class that supports relative positioning' do
|
|||
expect(bunch.map(&:relative_position)).to all(be < nils.map(&:relative_position).min)
|
||||
end
|
||||
|
||||
it 'manages to move nulls found in the relative scope' do
|
||||
nils = create_items_with_positions([nil] * 4)
|
||||
|
||||
described_class.move_nulls_to_end(sibling_query.to_a)
|
||||
positions = nils.map { |item| item.reset.relative_position }
|
||||
|
||||
expect(positions).to all(be_present)
|
||||
expect(positions).to all(be_valid_position)
|
||||
end
|
||||
|
||||
it 'can move many nulls' do
|
||||
nils = create_items_with_positions([nil] * 101)
|
||||
|
||||
described_class.move_nulls_to_end(nils)
|
||||
|
||||
expect(nils.map(&:relative_position)).to all(be_valid_position)
|
||||
end
|
||||
|
||||
it 'does not have an N+1 issue' do
|
||||
create_items_with_positions(10..12)
|
||||
|
||||
a, b, c, d, e, f, *xs = create_items_with_positions([nil] * 10)
|
||||
|
||||
baseline = ActiveRecord::QueryRecorder.new do
|
||||
|
|
|
|||
Loading…
Reference in New Issue