Module: Schema

Defined in:
lib/db/schema.rb

Class Method Summary collapse

Class Method Details

.already_initialized ⇒ Object

If we dive in using a console attached to a running container we do NOT want to reset all the table data! Which it seems like sqlite is happy to do? So we utter some arcane sqlite code to find the existing tables if there are any.



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# File 'lib/db/schema.rb', line 53

def already_initialized
  response = ActiveRecord::Base.connection_pool.with_connection { |con| con.exec_query "SELECT name  FROM sqlite_master WHERE type='table'" }
  response.rows.flatten.member?('code_files')
rescue ExceptionName
  false
end

.initialize_if_needed ⇒ Object 



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# File 'lib/db/schema.rb', line 60

def initialize_if_needed
  load unless already_initialized
end

.load ⇒ Object 



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# File 'lib/db/schema.rb', line 5

def load
  ActiveRecord::Schema.define do
    def write(*args)
      RubyLanguageServer.logger.debug(args)
    end

    create_table :scopes, force: true do |t|
      t.references :code_file
      t.integer :parent_id
      t.integer :top_line        # first line
      t.integer :bottom_line     # last line
      t.integer :column
      t.string  :name, default: ''
      t.string  :superclass_name
      t.string  :path
      t.string  :class_type, null: false
    end

    add_index :scopes, :name
    add_index :scopes, :path
    add_index :scopes, :code_file

    create_table :variables, force: true do |t|
      t.references :code_file
      t.references :scope
      t.integer :line
      t.integer :column
      t.string  :name
      t.string  :path
      t.string  :variable_type
    end

    add_index :variables, :name
    add_index :variables, :code_file

    create_table :code_files, force: true do |t|
      t.string  :uri
      t.boolean :refresh_root_scope, default: true
      t.text    :text
    end

    add_index :code_files, :uri
  end
end