class ActiveRecord::ConnectionAdapters::PostgreSQLAdapter
def extensions
def extensions exec_query("SELECT extname FROM pg_extension", "SCHEMA").cast_values end
Included Modules
Class Methods
Instance Methods
- # active?
- # add_pg_decoders
- # add_pg_encoders
- # arel_visitor
- # build_insert_sql
- # build_statement_pool
- # can_perform_case_insensitive_comparison_for?
- # check_version
- # column_definitions
- # configure_connection
- # connect
- # construct_coder
- # create_enum
- # default_index_type?
- # disable_extension
- # discard!
- # disconnect!
- # enable_extension
- # enum_types
- # exec_cache
- # exec_no_cache
- # execute_and_clear
- # extension_available?
- # extension_enabled?
- # extensions
- # extract_default_function
- # extract_table_ref_from_insert_sql
- # extract_value_from_default
- # get_advisory_lock
- # get_database_version
- # get_oid_type
- # has_default_function?
- # in_transaction?
- # index_algorithms
- # initialize
- # initialize_type_map
- # initialize_type_map
- # is_cached_plan_failure?
- # load_additional_types
- # load_types_queries
- # max_identifier_length
- # native_database_types
- # new_client
- # prepare_statement
- # reconnect!
- # release_advisory_lock
- # reload_type_map
- # reset!
- # session_auth=
- # set_standard_conforming_strings
- # sql_key
- # supports_advisory_locks?
- # supports_bulk_alter?
- # supports_check_constraints?
- # supports_comments?
- # supports_common_table_expressions?
- # supports_datetime_with_precision?
- # supports_ddl_transactions?
- # supports_deferrable_constraints?
- # supports_explain?
- # supports_expression_index?
- # supports_extensions?
- # supports_foreign_keys?
- # supports_foreign_tables?
- # supports_index_sort_order?
- # supports_insert_on_conflict?
- # supports_insert_returning?
- # supports_json?
- # supports_lazy_transactions?
- # supports_materialized_views?
- # supports_optimizer_hints?
- # supports_partial_index?
- # supports_partitioned_indexes?
- # supports_pgcrypto_uuid?
- # supports_savepoints?
- # supports_transaction_isolation?
- # supports_validate_constraints?
- # supports_views?
- # supports_virtual_columns?
- # translate_exception
- # type_map
- # update_typemap_for_default_timezone
- # use_insert_returning?