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Add indexes for better sql query performance.

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This commit is contained in:
Benjamin Meichsner 2009-09-07 15:35:19 +02:00
parent 7a23ec1cb1
commit 9f60a323ad
2 changed files with 62 additions and 1 deletions
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35
db/migrate/20090907120012_add_missing_indexes.rb Normal file
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@ -0,0 +1,35 @@
class AddMissingIndexes < ActiveRecord::Migration
def self.up
add_index "article_prices", ["article_id"]
add_index "articles", ["supplier_id"]
add_index "articles", ["article_category_id"]
add_index "articles", ["type"]
add_index "deliveries", ["supplier_id"]
add_index "financial_transactions", ["ordergroup_id"]
add_index "group_order_article_quantities", ["group_order_article_id"]
add_index "group_orders", ["order_id"]
add_index "group_orders", ["ordergroup_id"]
add_index "invoices", ["supplier_id"]
add_index "invoices", ["delivery_id"]
add_index "order_articles", ["order_id"]
add_index "order_comments", ["order_id"]
add_index "orders", ["state"]
add_index "stock_changes", ["delivery_id"]
add_index "stock_changes", ["stock_article_id"]
add_index "stock_changes", ["stock_taking_id"]
add_index "tasks", ["workgroup_id"]
end
def self.down
end
end

28
db/schema.rb
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@ -9,7 +9,7 @@
#
# It's strongly recommended to check this file into your version control system.
ActiveRecord::Schema.define(:version => 20090812110010) do
ActiveRecord::Schema.define(:version => 20090907120012) do
create_table "article_categories", :force => true do |t|
t.string "name", :default => "", :null => false
@ -27,6 +27,8 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.datetime "created_at"
end
add_index "article_prices", ["article_id"], :name => "index_article_prices_on_article_id"
create_table "articles", :force => true do |t|
t.string "name", :default => "", :null => false
t.integer "supplier_id", :default => 0, :null => false
@ -49,7 +51,10 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.integer "quantity", :default => 0
end
add_index "articles", ["article_category_id"], :name => "index_articles_on_article_category_id"
add_index "articles", ["name", "supplier_id"], :name => "index_articles_on_name_and_supplier_id"
add_index "articles", ["supplier_id"], :name => "index_articles_on_supplier_id"
add_index "articles", ["type"], :name => "index_articles_on_type"
create_table "assignments", :force => true do |t|
t.integer "user_id", :default => 0, :null => false
@ -78,6 +83,8 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.text "note"
end
add_index "deliveries", ["supplier_id"], :name => "index_deliveries_on_supplier_id"
create_table "financial_transactions", :force => true do |t|
t.integer "ordergroup_id", :default => 0, :null => false
t.decimal "amount", :precision => 8, :scale => 2, :default => 0.0, :null => false
@ -86,6 +93,8 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.datetime "created_on", :null => false
end
add_index "financial_transactions", ["ordergroup_id"], :name => "index_financial_transactions_on_ordergroup_id"
create_table "group_order_article_quantities", :force => true do |t|
t.integer "group_order_article_id", :default => 0, :null => false
t.integer "quantity", :default => 0
@ -93,6 +102,8 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.datetime "created_on", :null => false
end
add_index "group_order_article_quantities", ["group_order_article_id"], :name => "index_group_order_article_quantities_on_group_order_article_id"
create_table "group_order_articles", :force => true do |t|
t.integer "group_order_id", :default => 0, :null => false
t.integer "order_article_id", :default => 0, :null => false
@ -113,7 +124,9 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.integer "updated_by_user_id"
end
add_index "group_orders", ["order_id"], :name => "index_group_orders_on_order_id"
add_index "group_orders", ["ordergroup_id", "order_id"], :name => "index_group_orders_on_ordergroup_id_and_order_id", :unique => true
add_index "group_orders", ["ordergroup_id"], :name => "index_group_orders_on_ordergroup_id"
create_table "groups", :force => true do |t|
t.string "type", :default => "", :null => false
@ -166,6 +179,9 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.datetime "updated_at"
end
add_index "invoices", ["delivery_id"], :name => "index_invoices_on_delivery_id"
add_index "invoices", ["supplier_id"], :name => "index_invoices_on_supplier_id"
create_table "memberships", :force => true do |t|
t.integer "group_id", :default => 0, :null => false
t.integer "user_id", :default => 0, :null => false
@ -194,6 +210,7 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
end
add_index "order_articles", ["order_id", "article_id"], :name => "index_order_articles_on_order_id_and_article_id", :unique => true
add_index "order_articles", ["order_id"], :name => "index_order_articles_on_order_id"
create_table "order_comments", :force => true do |t|
t.integer "order_id"
@ -202,6 +219,8 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.datetime "created_at"
end
add_index "order_comments", ["order_id"], :name => "index_order_comments_on_order_id"
create_table "orders", :force => true do |t|
t.integer "supplier_id"
t.text "note"
@ -213,6 +232,8 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.decimal "foodcoop_result", :precision => 8, :scale => 2
end
add_index "orders", ["state"], :name => "index_orders_on_state"
create_table "page_versions", :force => true do |t|
t.integer "page_id"
t.integer "lock_version"
@ -253,6 +274,10 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
t.integer "stock_taking_id"
end
add_index "stock_changes", ["delivery_id"], :name => "index_stock_changes_on_delivery_id"
add_index "stock_changes", ["stock_article_id"], :name => "index_stock_changes_on_stock_article_id"
add_index "stock_changes", ["stock_taking_id"], :name => "index_stock_changes_on_stock_taking_id"
create_table "stock_takings", :force => true do |t|
t.date "date"
t.text "note"
@ -294,6 +319,7 @@ ActiveRecord::Schema.define(:version => 20090812110010) do
add_index "tasks", ["due_date"], :name => "index_tasks_on_due_date"
add_index "tasks", ["name"], :name => "index_tasks_on_name"
add_index "tasks", ["workgroup_id"], :name => "index_tasks_on_workgroup_id"
create_table "users", :force => true do |t|
t.string "nick", :default => "", :null => false