diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb | 75 |
1 files changed, 54 insertions, 21 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb index 36048bee03..d663b59444 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb @@ -356,35 +356,33 @@ module ActiveRecord # Inserts a set of fixtures into the table. Overridden in adapters that require # something beyond a simple insert (eg. Oracle). def insert_fixtures(fixtures, table_name) + ActiveSupport::Deprecation.warn(<<-MSG.squish) + `insert_fixtures` is deprecated and will be removed in the next version of Rails. + Consider using `insert_fixtures_set` for performance improvement. + MSG return if fixtures.empty? - columns = schema_cache.columns_hash(table_name) + execute(build_fixture_sql(fixtures, table_name), "Fixtures Insert") + end - values = fixtures.map do |fixture| - fixture = fixture.stringify_keys + def insert_fixtures_set(fixture_set, tables_to_delete = []) + fixture_inserts = fixture_set.map do |table_name, fixtures| + next if fixtures.empty? - unknown_columns = fixture.keys - columns.keys - if unknown_columns.any? - raise Fixture::FixtureError, %(table "#{table_name}" has no columns named #{unknown_columns.map(&:inspect).join(', ')}.) - end + build_fixture_sql(fixtures, table_name) + end.compact - columns.map do |name, column| - if fixture.key?(name) - type = lookup_cast_type_from_column(column) - bind = Relation::QueryAttribute.new(name, fixture[name], type) - with_yaml_fallback(bind.value_for_database) - else - Arel.sql("DEFAULT") + table_deletes = tables_to_delete.map { |table| "DELETE FROM #{quote_table_name table}".dup } + total_sql = Array.wrap(combine_multi_statements(table_deletes + fixture_inserts)) + + disable_referential_integrity do + transaction(requires_new: true) do + total_sql.each do |sql| + execute sql, "Fixtures Load" + yield if block_given? end end end - - table = Arel::Table.new(table_name) - manager = Arel::InsertManager.new - manager.into(table) - columns.each_key { |column| manager.columns << table[column] } - manager.values = manager.create_values_list(values) - execute manager.to_sql, "Fixtures Insert" end def empty_insert_statement_value @@ -417,6 +415,41 @@ module ActiveRecord private + def build_fixture_sql(fixtures, table_name) + columns = schema_cache.columns_hash(table_name) + + values = fixtures.map do |fixture| + fixture = fixture.stringify_keys + + unknown_columns = fixture.keys - columns.keys + if unknown_columns.any? + raise Fixture::FixtureError, %(table "#{table_name}" has no columns named #{unknown_columns.map(&:inspect).join(', ')}.) + end + + columns.map do |name, column| + if fixture.key?(name) + type = lookup_cast_type_from_column(column) + bind = Relation::QueryAttribute.new(name, fixture[name], type) + with_yaml_fallback(bind.value_for_database) + else + Arel.sql("DEFAULT") + end + end + end + + table = Arel::Table.new(table_name) + manager = Arel::InsertManager.new + manager.into(table) + columns.each_key { |column| manager.columns << table[column] } + manager.values = manager.create_values_list(values) + + manager.to_sql + end + + def combine_multi_statements(total_sql) + total_sql.join(";\n") + end + # Returns a subquery for the given key using the join information. def subquery_for(key, select) subselect = select.clone |