supports_json?

• Class methods (18)
• build_read_query_regexp
• database_exists?
• dbconsole (>= v7.1.3.2)
• extended_type_map (>= v7.1.3.2)
• extract_limit (>= v7.0.0)
• extract_precision (>= v7.0.0)
• extract_scale (>= v7.0.0)
• find_cmd_and_exec (>= v7.1.3.2)
• initialize_type_map (>= v7.0.0)
• new
• quoted_column_names
• quoted_table_names
• register_class_with_limit (>= v7.0.0)
• register_class_with_precision (>= v7.0.0)
• type_cast_config_to_boolean
• type_cast_config_to_integer
• validate_default_timezone (>= v7.1.3.2)
• visitor_for (<= v3.1.0)
• Instance methods (173)
• active?
• active_threadsafe? (<= v4.1.8)
• adapter_name
• add_enum_value (>= v7.1.3.2)
• advisory_locks_enabled?
• all_foreign_keys_valid? (>= v7.0.0)
• any_raw_connection (>= v7.1.3.2)
• arel_visitor
• async_enabled? (>= v7.0.0)
• backoff (>= v7.1.3.2)
• build_insert_sql
• build_result
• build_statement_pool
• can_perform_case_insensitiv...
• case_insensitive_comparison
• case_sensitive_comparison
• case_sensitive_modifier (<= v4.2.9)
• check_all_foreign_keys_valid! (>= v7.1.3.2)
• check_if_write_query (>= v7.0.0)
• check_version
• clean! (>= v7.1.3.2)
• clear_cache!
• close
• collector
• column_for
• column_for_attribute
• column_name_for_operation (<= v6.0.0)
• column_name_from_arel_node (<= v5.2.3)
• columns (<= v5.1.7)
• combine_bind_parameters (<= v5.1.7)
• configure_connection (>= v7.1.3.2)
• connect! (>= v7.1.3.2)
• connection_class (>= v7.0.0)
• connection_klass
• connection_retries (>= v7.1.3.2)
• create_enum (>= v7.0.0)
• create_savepoint (<= v4.2.9)
• current_savepoint_name (<= v4.2.9)
• database_exists? (>= v7.1.3.2)
• database_version
• decrement_open_transactions (<= v4.0.2)
• default_index_type?
• default_prepared_statements (>= v7.1.3.2)
• default_timezone (>= v7.1.3.2)
• default_uniqueness_comparison
• disable_extension
• disable_referential_integrity
• discard!
• disconnect!
• drop_enum (>= v7.1.3.2)
• enable_extension
• expire
• extended_type_map_key (>= v7.1.3.2)
• extensions
• extract_limit
• extract_precision
• extract_scale
• field_ordered_value (>= v7.0.0)
• format_log_entry (<= v2.3.8)
• get_advisory_lock
• get_database_version
• ids_in_list_limit (<= v3.0.9)
• increment_open_transactions (<= v4.0.2)
• index_algorithms
• initialize_type_map
• internal_metadata (>= v7.1.3.2)
• invalidate_transaction (>= v7.1.3.2)
• lease
• lock_thread= (>= v7.1.3.2)
• log
• log_info (<= v2.3.8)
• lookup_cast_type (<= v5.1.7)
• migration_context
• migrations_paths
• new_column (<= v5.1.7)
• open_transactions (<= v4.1.8)
• pool= (>= v7.1.3.2)
• prefetch_primary_key?
• prepared_statements
• prepared_statements?
• prepared_statements_disable...
• preventing_writes?
• quote_table_name (<= v3.2.13)
• raw_connection
• reconnect (>= v7.1.3.2)
• reconnect!
• reconnect_can_restore_state? (>= v7.1.3.2)
• register_class_with_limit
• register_class_with_precision
• release_advisory_lock
• release_savepoint (<= v4.2.9)
• reload_type_map
• rename_enum (>= v7.1.3.2)
• rename_enum_value (>= v7.1.3.2)
• replica?
• requires_reloading?
• reset!
• reset_runtime (<= v2.3.8)
• retryable_connection_error? (>= v7.1.3.2)
• retryable_query_error? (>= v7.1.3.2)
• retry_deadline (>= v7.1.3.2)
• return_value_after_insert? (>= v7.1.3.2)
• role (>= v7.0.0)
• rollback_to_savepoint (<= v4.1.8)
• savepoint_errors_invalidate... (>= v7.1.3.2)
• schema_cache
• schema_cache=
• schema_creation (<= v5.1.7)
• schema_migration
• schema_version (>= v7.0.0)
• seconds_idle
• shard (>= v7.0.0)
• steal!
• substitute_at (<= v4.2.9)
• supports_advisory_locks?
• supports_bulk_alter?
• supports_check_constraints?
• supports_comments?
• supports_comments_in_create?
• supports_common_table_expre...
• supports_concurrent_connect... (>= v7.0.0)
• supports_count_distinct? (<= v4.1.8)
• supports_datetime_with_prec...
• supports_ddl_transactions?
• supports_deferrable_constra... (>= v7.0.0)
• supports_exclusion_constrai... (>= v7.1.3.2)
• supports_explain?
• supports_expression_index?
• supports_extensions?
• supports_foreign_keys?
• supports_foreign_keys_in_cr... (<= v6.0.0)
• supports_foreign_tables?
• supports_indexes_in_create?
• supports_index_include? (>= v7.1.3.2)
• supports_index_sort_order?
• supports_insert_conflict_ta...
• supports_insert_on_duplicat...
• supports_insert_on_duplicat...
• supports_insert_returning?
• supports_json?
• supports_lazy_transactions?
• supports_materialized_views?
• supports_migrations? (<= v5.1.7)
• supports_multi_insert? (<= v6.0.0)
• supports_nulls_not_distinct? (>= v7.1.3.2)
• supports_optimizer_hints?
• supports_partial_index?
• supports_partitioned_indexes?
• supports_primary_key? (<= v5.1.7)
• supports_restart_db_transac... (>= v7.1.3.2)
• supports_savepoints?
• supports_transaction_isolat...
• supports_unique_constraints? (>= v7.1.3.2)
• supports_validate_constraints?
• supports_views?
• supports_virtual_columns?
• throw_away!
• transaction_joinable= (<= v4.0.2)
• transform_query (>= v7.0.0)
• translate_exception
• translate_exception_class
• type_map
• unprepared_statement
• unprepared_visitor (<= v4.1.8)
• use_metadata_table?
• valid_raw_connection (>= v7.1.3.2)
• valid_type?
• verified! (>= v7.1.3.2)
• verify!
• warning_ignored? (>= v7.1.3.2)
• with_instrumenter (>= v7.0.0)
• without_prepared_statement?
• with_raw_connection (>= v7.1.3.2)

= private
= protected