supports_explain?

• Class methods (7)
• dbconsole
• emulate_booleans
• extended_type_map
• extract_precision
• initialize_type_map
• new (<= v7.0.0)
• register_integer_type
• Instance methods (155)
• adapter_name (<= v4.1.8)
• add_column (<= v3.2.13)
• add_column_position! (<= v4.1.8)
• add_column_sql (<= v4.2.9)
• add_index
• add_index_for_alter
• add_index_length (<= v4.2.9)
• add_index_sql (<= v4.2.9)
• add_sql_comment!
• add_timestamps_for_alter (<= v6.0.0)
• add_timestamps_sql (<= v4.2.9)
• arel_visitor
• begin_db_transaction
• begin_isolated_db_transaction
• build_change_column_default...
• build_change_column_definition
• build_create_index_definition
• build_insert_sql
• build_statement_pool
• bulk_change_table (<= v4.2.9)
• can_perform_case_insensitiv...
• case_insensitive_comparison (<= v4.2.9)
• case_sensitive_comparison
• case_sensitive_modifier (<= v4.2.9)
• change_column
• change_column_comment
• change_column_default
• change_column_for_alter
• change_column_null
• change_column_sql (<= v4.2.9)
• change_table_comment
• charset
• check_constraints
• check_version
• clear_cache! (<= v6.1.7.7)
• collation
• column_definitions
• column_for (<= v4.1.8)
• columns (<= v4.2.9)
• columns_for_distinct
• commit_db_transaction
• configure_connection
• create_database
• create_savepoint (<= v4.0.2)
• create_table (<= v4.2.9)
• create_table_info
• current_database
• data_source_exists? (<= v4.2.9)
• data_sources (<= v4.2.9)
• default_index_type?
• default_uniqueness_comparison (<= v6.0.0)
• disable_referential_integrity
• drop_database
• drop_table
• each_hash
• empty_insert_statement_value
• error_number
• exec_restart_db_transaction
• exec_rollback_db_transaction
• execute (<= v7.0.0)
• execute_and_free
• explain (<= v6.0.0)
• extended_type_map_key
• extract_foreign_key_action (<= v4.2.9)
• extract_precision (<= v6.1.7.7)
• field_ordered_value (<= v7.0.0)
• foreign_keys
• get_advisory_lock
• get_database_version
• handle_warnings
• index_algorithms
• indexes (<= v4.2.9)
• initialize_type_map (<= v6.1.7.7)
• join_to_update (<= v4.2.9)
• limited_update_conditions (<= v4.1.8)
• mariadb?
• mismatched_foreign_key
• mismatched_foreign_key_details
• native_database_types
• new_column (<= v4.2.9)
• pk_and_sequence_for (<= v4.2.9)
• prepare_column_options (<= v4.2.9)
• primary_key (<= v4.2.9)
• primary_keys
• quote (<= v4.1.8)
• _quote (<= v4.2.9)
• quote_column_name (<= v4.2.9)
• quoted_columns_for_index (<= v4.2.9)
• quoted_false (<= v4.2.9)
• quoted_true (<= v4.2.9)
• quote_table_name (<= v4.2.9)
• raw_execute (<= v7.0.0)
• recreate_database
• register_integer_type (<= v6.1.7.7)
• release_advisory_lock
• release_savepoint (<= v4.0.2)
• remove_column_sql (<= v4.2.9)
• remove_columns_sql (<= v4.2.9)
• remove_index_for_alter
• remove_index_sql (<= v4.2.9)
• remove_timestamps_for_alter (<= v6.0.0)
• remove_timestamps_sql (<= v4.2.9)
• rename_column
• rename_column_for_alter
• rename_column_sql (<= v4.2.9)
• rename_index
• rename_table
• rollback_db_transaction (<= v4.1.8)
• rollback_to_savepoint (<= v4.0.2)
• schema_creation (<= v5.1.7)
• show_variable
• strict_mode?
• strip_whitespace_characters
• structure_dump (<= v3.2.13)
• subquery_for (<= v4.2.9)
• supports_advisory_locks?
• supports_bulk_alter?
• supports_check_constraints?
• supports_common_table_expre...
• supports_datetime_with_prec...
• supports_explain?
• supports_expression_index?
• supports_foreign_keys?
• supports_indexes_in_create?
• supports_index_sort_order?
• supports_insert_on_duplicat...
• supports_insert_on_duplicat...
• supports_migrations? (<= v4.2.9)
• supports_optimizer_hints?
• supports_primary_key? (<= v4.2.9)
• supports_rename_column?
• supports_rename_index?
• supports_restart_db_transac...
• supports_savepoints? (<= v4.0.2)
• supports_transaction_isolat...
• supports_views?
• supports_virtual_columns?
• sync_timezone_changes
• table_comment
• table_exists? (<= v4.2.9)
• table_options
• tables (<= v4.2.9)
• translate_exception
• truncate (<= v4.2.9)
• type_cast (<= v4.1.8)
• type_map (<= v7.0.0)
• type_to_sql (<= v4.2.9)
• unquoted_false (<= v4.2.9)
• unquoted_true (<= v4.2.9)
• update_sql (<= v4.2.9)
• update_table_definition (<= v5.1.7)
• valid_type? (<= v4.2.9)
• version (<= v4.2.9)
• version_string
• warning_ignored?

= private
= protected