Module: Cell::CloneSchema

Defined in:
lib/cell/clone_schema.rb

Class Method Summary collapse

Class Method Details

.clone_schema(src, dst) ⇒ Object 



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# File 'lib/cell/clone_schema.rb', line 11

def self.clone_schema(src, dst)
  connection.execute <<~SQL
    SELECT public.clone_schema(#{connection.quote(src)}, #{connection.quote(dst)}, TRUE)
  SQL
end

.connection ⇒ Object 



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# File 'lib/cell/clone_schema.rb', line 6

def self.connection
  ::ActiveRecord::Base.connection
end

.copy_schema_migrations_to(dst) ⇒ Object 



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# File 'lib/cell/clone_schema.rb', line 18

def self.copy_schema_migrations_to(dst)
  Cell::Meta.with_schema(dst, exclusive: true) do
    ::ActiveRecord::SchemaMigration.create_table
  end

  connection.execute <<~SQL
    INSERT INTO #{connection.quote_schema_name(dst)}.schema_migrations
      SELECT * from schema_migrations
  SQL
end

.function_definition ⇒ Object 



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# File 'lib/cell/clone_schema.rb', line 38

def self.function_definition
  FUNCTION_DEFINITION
end

.install_function! ⇒ Object 



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# File 'lib/cell/clone_schema.rb', line 30

def self.install_function!
  @created ||= begin
    connection.execute(function_definition)
    true
  end
end