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author | Sean McGivern <sean@gitlab.com> | 2019-05-27 16:19:10 +0100 |
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committer | Sean McGivern <sean@gitlab.com> | 2019-05-27 16:19:10 +0100 |
commit | dd24835ee8541050b41d95ee20536184cff36b15 (patch) | |
tree | 60583ff9bd15e5ebd3b608b8bd827c6050a9e2f7 | |
parent | 31315850b0108b82b7bb3aa70194dc4dafc9ee7d (diff) | |
download | gitlab-ce-experiment-with-array-columm-for-labels.tar.gz |
Experiment with array column for label titlesexperiment-with-array-columm-for-labels
-rw-r--r-- | app/models/concerns/issuable.rb | 4 | ||||
-rw-r--r-- | db/migrate/20190527135323_add_array_column_for_labels.rb | 10 | ||||
-rw-r--r-- | db/migrate/20190527135836_fill_array_column_for_labels.rb | 28 | ||||
-rw-r--r-- | db/schema.rb | 4 |
4 files changed, 43 insertions, 3 deletions
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb index 127430cc68f..d6c60f4cc81 100644 --- a/app/models/concerns/issuable.rb +++ b/app/models/concerns/issuable.rb @@ -242,9 +242,9 @@ module Issuable def with_label(title, sort = nil) if title.is_a?(Array) && title.size > 1 - joins(:labels).where(labels: { title: title }).group(*grouping_columns(sort)).having("COUNT(DISTINCT labels.title) = #{title.size}") + where('label_titles @> ARRAY[?]', title) else - joins(:labels).where(labels: { title: title }) + where(labels: { title: title }) end end diff --git a/db/migrate/20190527135323_add_array_column_for_labels.rb b/db/migrate/20190527135323_add_array_column_for_labels.rb new file mode 100644 index 00000000000..177ccee5859 --- /dev/null +++ b/db/migrate/20190527135323_add_array_column_for_labels.rb @@ -0,0 +1,10 @@ +class AddArrayColumnForLabels < ActiveRecord::Migration[5.1] + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + def change + add_column :issues, :label_titles, :text, array: true + add_column :merge_requests, :label_titles, :text, array: true + end +end diff --git a/db/migrate/20190527135836_fill_array_column_for_labels.rb b/db/migrate/20190527135836_fill_array_column_for_labels.rb new file mode 100644 index 00000000000..d40bd1c4e85 --- /dev/null +++ b/db/migrate/20190527135836_fill_array_column_for_labels.rb @@ -0,0 +1,28 @@ +class FillArrayColumnForLabels < ActiveRecord::Migration[5.1] + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + + def up + update!('issues') + update!('merge_requests') + end + + private + + def update!(table) + execute <<-SQL + UPDATE #{table} + SET label_titles = subquery.label_titles + FROM + ( + SELECT #{table}.id AS id, array_agg(labels.title) AS label_titles + FROM #{table} + LEFT JOIN label_links ON target_id = #{table}.id AND label_links.target_type = 'Issue' + LEFT JOIN labels ON label_id = labels.id + GROUP BY #{table}.id + ) AS subquery + WHERE #{table}.id = subquery.id; + SQL + end +end diff --git a/db/schema.rb b/db/schema.rb index 412b5313b69..78e30f72db5 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -10,7 +10,7 @@ # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 20190516011213) do +ActiveRecord::Schema.define(version: 20190527135836) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" @@ -1089,6 +1089,7 @@ ActiveRecord::Schema.define(version: 20190516011213) do t.datetime_with_timezone "closed_at" t.integer "closed_by_id" t.integer "state_id", limit: 2 + t.text "label_titles", array: true t.index ["author_id"], name: "index_issues_on_author_id", using: :btree t.index ["closed_by_id"], name: "index_issues_on_closed_by_id", using: :btree t.index ["confidential"], name: "index_issues_on_confidential", using: :btree @@ -1347,6 +1348,7 @@ ActiveRecord::Schema.define(version: 20190516011213) do t.boolean "squash", default: false, null: false t.boolean "allow_maintainer_to_push" t.integer "state_id", limit: 2 + t.text "label_titles", array: true t.index ["assignee_id"], name: "index_merge_requests_on_assignee_id", using: :btree t.index ["author_id"], name: "index_merge_requests_on_author_id", using: :btree t.index ["created_at"], name: "index_merge_requests_on_created_at", using: :btree |