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aligned.h
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aria_backup.h
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assume_aligned.h
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authors.h
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backup.h
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bounded_queue.h
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char_buffer.h
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charset_collations.h
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client_settings.h
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compat56.h
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config.h
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contributors.h
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create_options.h
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create_tmp_table.h
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cset_narrowing.h
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custom_conf.h
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datadict.h
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ddl_log.h
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debug.h
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debug_sync.h
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deprecation.h
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derived_handler.h
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derror.h
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des_key_file.h
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discover.h
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dur_prop.h
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embedded_priv.h
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event_data_objects.h
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event_db_repository.h
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event_parse_data.h
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event_queue.h
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event_scheduler.h
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events.h
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field.h
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field_comp.h
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filesort.h
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filesort_utils.h
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ft_global.h
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gcalc_slicescan.h
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gcalc_tools.h
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grant.h
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group_by_handler.h
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gstream.h
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gtid_index.h
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ha_handler_stats.h
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ha_partition.h
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ha_sequence.h
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handle_connections_win.h
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handler.h
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hash.h
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hash_filo.h
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heap.h
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hostname.h
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init.h
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innodb_priv.h
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item.h
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item_cmpfunc.h
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item_create.h
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item_func.h
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item_geofunc.h
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item_jsonfunc.h
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item_row.h
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item_strfunc.h
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item_subselect.h
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item_sum.h
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item_timefunc.h
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item_vers.h
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item_windowfunc.h
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item_xmlfunc.h
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json_schema.h
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json_schema_helper.h
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json_table.h
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key.h
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keycaches.h
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lex.h
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lex_charset.h
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lex_hash.h
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lex_ident.h
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lex_string.h
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lex_symbol.h
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lex_token.h
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lf.h
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lock.h
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log.h
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log_cache.h
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log_event.h
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log_event_data_type.h
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log_slow.h
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maria.h
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mariadb.h
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mdl.h
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mem_root_array.h
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message.h
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multi_range_read.h
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my_apc.h
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my_atomic.h
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my_atomic_wrapper.h
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my_base.h
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my_bit.h
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my_check_opt.h
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my_compare.h
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my_counter.h
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my_cpu.h
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my_crypt.h
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my_decimal.h
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my_default.h
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my_handler_errors.h
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my_json_writer.h
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my_libwrap.h
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my_md5.h
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my_minidump.h
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my_nosys.h
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my_rdtsc.h
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my_rnd.h
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my_service_manager.h
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my_stack_alloc.h
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my_stacktrace.h
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my_time.h
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my_tracker.h
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my_tree.h
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my_uctype.h
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my_user.h
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my_virtual_mem.h
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myisam.h
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myisamchk.h
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myisammrg.h
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myisampack.h
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mysqld.h
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mysqld_default_groups.h
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mysqld_suffix.h
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mysys_err.h
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opt_histogram_json.h
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opt_range.h
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opt_rewrite_date_cmp.h
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opt_subselect.h
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opt_trace.h
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opt_trace_context.h
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optimizer_costs.h
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optimizer_defaults.h
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parse_file.h
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partition_element.h
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partition_info.h
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password.h
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pfs_file_provider.h
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pfs_idle_provider.h
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pfs_memory_provider.h
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pfs_metadata_provider.h
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pfs_socket_provider.h
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pfs_stage_provider.h
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pfs_statement_provider.h
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pfs_table_provider.h
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pfs_thread_provider.h
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pfs_transaction_provider.h
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privilege.h
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probes_mysql.h
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probes_mysql_dtrace.h
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probes_mysql_nodtrace.h
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procedure.h
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protocol.h
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proxy_protocol.h
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queues.h
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records.h
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repl_failsafe.h
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replication.h
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rijndael.h
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rowid_filter.h
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rpl_constants.h
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rpl_filter.h
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rpl_gtid.h
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rpl_injector.h
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rpl_mi.h
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rpl_parallel.h
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rpl_record.h
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rpl_reporting.h
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rpl_rli.h
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rpl_tblmap.h
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rpl_utility.h
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scheduler.h
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scope.h
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select_handler.h
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semisync.h
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semisync_master.h
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semisync_master_ack_receiver.h
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semisync_slave.h
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service_versions.h
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session_tracker.h
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set_var.h
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simple_tokenizer.h
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slave.h
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socketpair.h
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source_revision.h
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sp.h
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sp_cache.h
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sp_head.h
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sp_instr.h
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sp_pcontext.h
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sp_rcontext.h
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span.h
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spatial.h
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sql_acl.h
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sql_admin.h
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sql_alloc.h
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sql_alter.h
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sql_analyse.h
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sql_analyze_stmt.h
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sql_array.h
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sql_audit.h
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sql_base.h
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sql_basic_types.h
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sql_binlog.h
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sql_bitmap.h
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sql_bootstrap.h
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sql_cache.h
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sql_callback.h
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sql_class.h
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sql_cmd.h
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sql_connect.h
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sql_const.h
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sql_crypt.h
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sql_cte.h
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sql_cursor.h
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sql_db.h
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sql_debug.h
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sql_delete.h
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sql_derived.h
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sql_digest.h
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sql_do.h
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sql_error.h
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sql_explain.h
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sql_expression_cache.h
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sql_get_diagnostics.h
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sql_handler.h
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sql_help.h
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sql_hset.h
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sql_i_s.h
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sql_insert.h
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sql_join_cache.h
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sql_lex.h
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sql_lifo_buffer.h
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sql_limit.h
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sql_list.h
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sql_load.h
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sql_locale.h
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sql_manager.h
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sql_mode.h
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sql_parse.h
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sql_partition.h
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sql_partition_admin.h
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sql_plist.h
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sql_plugin.h
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sql_plugin_compat.h
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sql_prepare.h
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sql_priv.h
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sql_profile.h
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sql_reload.h
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sql_rename.h
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sql_schema.h
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sql_select.h
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sql_sequence.h
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sql_servers.h
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sql_show.h
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sql_signal.h
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sql_sort.h
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sql_statistics.h
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sql_string.h
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sql_table.h
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sql_test.h
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sql_time.h
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sql_trigger.h
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sql_truncate.h
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sql_tvc.h
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sql_type.h
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sql_type_fixedbin.h
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sql_type_int.h
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sql_type_json.h
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sql_type_real.h
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sql_type_string.h
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sql_type_timeofday.h
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sql_udf.h
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sql_union.h
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sql_update.h
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sql_used.h
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sql_view.h
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sql_window.h
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ssl_compat.h
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strfunc.h
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structs.h
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sys_vars_shared.h
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t_ctype.h
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table.h
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table_cache.h
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thr_lock.h
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thr_malloc.h
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thr_timer.h
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thread_cache.h
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threadpool.h
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threadpool_generic.h
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threadpool_winsockets.h
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transaction.h
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tzfile.h
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uniques.h
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unireg.h
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vers_string.h
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violite.h
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waiting_threads.h
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welcome_copyright_notice.h
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winservice.h
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wqueue.h
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wsrep.h
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wsrep_allowlist_service.h
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wsrep_applier.h
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wsrep_binlog.h
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wsrep_client_service.h
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wsrep_client_state.h
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wsrep_condition_variable.h
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wsrep_event_service.h
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wsrep_high_priority_service.h
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wsrep_mutex.h
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wsrep_mysqld.h
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wsrep_mysqld_c.h
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wsrep_on.h
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wsrep_plugin.h
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wsrep_priv.h
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wsrep_schema.h
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wsrep_server_service.h
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wsrep_server_state.h
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wsrep_sst.h
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wsrep_status.h
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wsrep_storage_service.h
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wsrep_thd.h
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wsrep_trans_observer.h
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wsrep_types.h
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wsrep_utils.h
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wsrep_var.h
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wsrep_xid.h
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xa.h
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Code Editor : sp.h
/* -*- C++ -*- */ /* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. Copyright (c) 2009, 2020, MariaDB Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ #ifndef _SP_H_ #define _SP_H_ #include "my_global.h" /* NO_EMBEDDED_ACCESS_CHECKS */ #include "sql_string.h" // LEX_STRING #include "sql_cmd.h" #include "mdl.h" class Field; class Open_tables_backup; class Open_tables_state; class Query_arena; class Query_tables_list; class Sroutine_hash_entry; class THD; class sp_cache; class sp_head; class sp_package; class sp_pcontext; class sp_name; class sp_expr_lex; class Database_qualified_name; struct st_sp_chistics; class Stored_program_creation_ctx; struct LEX; struct TABLE; struct TABLE_LIST; typedef struct st_hash HASH; template <typename T> class SQL_I_List; /* Values for the type enum. This reflects the order of the enum declaration in the CREATE TABLE command. See also storage/perfschema/my_thread.h */ enum enum_sp_type { SP_TYPE_FUNCTION=1, SP_TYPE_PROCEDURE=2, SP_TYPE_PACKAGE=3, SP_TYPE_PACKAGE_BODY=4, SP_TYPE_TRIGGER=5, SP_TYPE_EVENT=6, }; class Sp_handler { bool sp_resolve_package_routine_explicit(THD *thd, sp_head *caller, sp_name *name, const Sp_handler **pkg_routine_hndlr, Database_qualified_name *pkgname) const; bool sp_resolve_package_routine_implicit(THD *thd, sp_head *caller, sp_name *name, const Sp_handler **pkg_routine_hndlr, Database_qualified_name *pkgname) const; protected: int db_find_routine_aux(THD *thd, const Database_qualified_name *name, TABLE *table) const; int db_find_routine(THD *thd, const Database_qualified_name *name, sp_head **sphp) const; int db_find_and_cache_routine(THD *thd, const Database_qualified_name *name, sp_head **sp) const; int db_load_routine(THD *thd, const Database_qualified_name *name, sp_head **sphp, sql_mode_t sql_mode, const LEX_CSTRING ¶ms, const LEX_CSTRING &returns, const LEX_CSTRING &body, const st_sp_chistics &chistics, const AUTHID &definer, longlong created, longlong modified, sp_package *parent, Stored_program_creation_ctx *creation_ctx) const; int sp_drop_routine_internal(THD *thd, const Database_qualified_name *name, TABLE *table) const; sp_head *sp_clone_and_link_routine(THD *thd, const Database_qualified_name *name, sp_head *sp) const; int sp_cache_package_routine(THD *thd, const LEX_CSTRING &pkgname_cstr, const Database_qualified_name *name, sp_head **sp) const; int sp_cache_package_routine(THD *thd, const Database_qualified_name *name, sp_head **sp) const; sp_head *sp_find_package_routine(THD *thd, const LEX_CSTRING pkgname_str, const Database_qualified_name *name, bool cache_only) const; sp_head *sp_find_package_routine(THD *thd, const Database_qualified_name *name, bool cache_only) const; public: // TODO: make it private or protected virtual int sp_find_and_drop_routine(THD *thd, TABLE *table, const Database_qualified_name *name) const; public: virtual ~Sp_handler() = default; static const Sp_handler *handler(enum enum_sql_command cmd); static const Sp_handler *handler(enum_sp_type type); static const Sp_handler *handler(MDL_key::enum_mdl_namespace ns); /* Return a handler only those SP objects that store definitions in the mysql.proc system table */ static const Sp_handler *handler_mysql_proc(enum_sp_type type) { const Sp_handler *sph= handler(type); return sph ? sph->sp_handler_mysql_proc() : NULL; } static bool eq_routine_name(const LEX_CSTRING &name1, const LEX_CSTRING &name2) { return system_charset_info->strnncoll(name1.str, name1.length, name2.str, name2.length) == 0; } const char *type_str() const { return type_lex_cstring().str; } virtual const char *show_create_routine_col1_caption() const { DBUG_ASSERT(0); return ""; } virtual const char *show_create_routine_col3_caption() const { DBUG_ASSERT(0); return ""; } virtual const Sp_handler *package_routine_handler() const { return this; } virtual enum_sp_type type() const= 0; virtual LEX_CSTRING type_lex_cstring() const= 0; virtual enum_sql_command sqlcom_create() const= 0; virtual enum_sql_command sqlcom_drop() const= 0; virtual LEX_CSTRING empty_body_lex_cstring(sql_mode_t mode) const { static LEX_CSTRING m_empty_body= {STRING_WITH_LEN("???")}; DBUG_ASSERT(0); return m_empty_body; } virtual MDL_key::enum_mdl_namespace get_mdl_type() const= 0; virtual const Sp_handler *sp_handler_mysql_proc() const { return this; } virtual sp_cache **get_cache(THD *) const { return NULL; } #ifndef NO_EMBEDDED_ACCESS_CHECKS virtual HASH *get_priv_hash() const { return NULL; } #endif virtual ulong recursion_depth(THD *thd) const { return 0; } /** Return appropriate error about recursion limit reaching @param thd Thread handle @param sp SP routine @remark For functions and triggers we return error about prohibited recursion. For stored procedures we return about reaching recursion limit. */ virtual void recursion_level_error(THD *thd, const sp_head *sp) const { my_error(ER_SP_NO_RECURSION, MYF(0)); } virtual bool add_instr_freturn(THD *thd, sp_head *sp, sp_pcontext *spcont, Item *item, sp_expr_lex *lex) const; virtual bool add_instr_preturn(THD *thd, sp_head *sp, sp_pcontext *spcont) const; void add_used_routine(Query_tables_list *prelocking_ctx, Query_arena *arena, const Database_qualified_name *name) const; bool sp_resolve_package_routine(THD *thd, sp_head *caller, sp_name *name, const Sp_handler **pkg_routine_handler, Database_qualified_name *pkgname) const; virtual sp_head *sp_find_routine(THD *thd, const Database_qualified_name *name, bool cache_only) const; virtual int sp_cache_routine(THD *thd, const Database_qualified_name *name, sp_head **sp) const; int sp_cache_routine_reentrant(THD *thd, const Database_qualified_name *nm, sp_head **sp) const; bool sp_exist_routines(THD *thd, TABLE_LIST *procs) const; bool sp_show_create_routine(THD *thd, const Database_qualified_name *name) const; bool sp_create_routine(THD *thd, const sp_head *sp) const; int sp_update_routine(THD *thd, const Database_qualified_name *name, const st_sp_chistics *chistics) const; int sp_drop_routine(THD *thd, const Database_qualified_name *name) const; sp_head *sp_load_for_information_schema(THD *thd, TABLE *proc_table, const LEX_CSTRING &db, const LEX_CSTRING &name, const LEX_CSTRING ¶ms, const LEX_CSTRING &returns, sql_mode_t sql_mode, bool *free_sp_head) const; /* Make a SHOW CREATE statement. @retval true on error @retval false on success */ virtual bool show_create_sp(THD *thd, String *buf, const LEX_CSTRING &db, const LEX_CSTRING &name, const LEX_CSTRING ¶ms, const LEX_CSTRING &returns, const LEX_CSTRING &body, const st_sp_chistics &chistics, const AUTHID &definer, const DDL_options_st ddl_options, sql_mode_t sql_mode) const; }; class Sp_handler_procedure: public Sp_handler { public: enum_sp_type type() const override { return SP_TYPE_PROCEDURE; } LEX_CSTRING type_lex_cstring() const override { static LEX_CSTRING m_type_str= { STRING_WITH_LEN("PROCEDURE")}; return m_type_str; } enum_sql_command sqlcom_create() const override { return SQLCOM_CREATE_PROCEDURE; } enum_sql_command sqlcom_drop() const override { return SQLCOM_DROP_PROCEDURE; } LEX_CSTRING empty_body_lex_cstring(sql_mode_t mode) const override; const char *show_create_routine_col1_caption() const override { return "Procedure"; } const char *show_create_routine_col3_caption() const override { return "Create Procedure"; } MDL_key::enum_mdl_namespace get_mdl_type() const override { return MDL_key::PROCEDURE; } const Sp_handler *package_routine_handler() const override; sp_cache **get_cache(THD *) const override; #ifndef NO_EMBEDDED_ACCESS_CHECKS HASH *get_priv_hash() const override; #endif ulong recursion_depth(THD *thd) const override; void recursion_level_error(THD *thd, const sp_head *sp) const override; bool add_instr_preturn(THD *thd, sp_head *sp, sp_pcontext *spcont) const override; }; class Sp_handler_package_procedure: public Sp_handler_procedure { public: int sp_cache_routine(THD *thd, const Database_qualified_name *name, sp_head **sp) const override { return sp_cache_package_routine(thd, name, sp); } sp_head *sp_find_routine(THD *thd, const Database_qualified_name *name, bool cache_only) const override { return sp_find_package_routine(thd, name, cache_only); } }; class Sp_handler_function: public Sp_handler { public: enum_sp_type type() const override { return SP_TYPE_FUNCTION; } LEX_CSTRING type_lex_cstring() const override { static LEX_CSTRING m_type_str= { STRING_WITH_LEN("FUNCTION")}; return m_type_str; } enum_sql_command sqlcom_create() const override { return SQLCOM_CREATE_FUNCTION; } enum_sql_command sqlcom_drop() const override { return SQLCOM_DROP_FUNCTION; } LEX_CSTRING empty_body_lex_cstring(sql_mode_t mode) const override; const char *show_create_routine_col1_caption() const override { return "Function"; } const char *show_create_routine_col3_caption() const override { return "Create Function"; } MDL_key::enum_mdl_namespace get_mdl_type() const override { return MDL_key::FUNCTION; } const Sp_handler *package_routine_handler() const override; sp_cache **get_cache(THD *) const override; #ifndef NO_EMBEDDED_ACCESS_CHECKS HASH *get_priv_hash() const override; #endif bool add_instr_freturn(THD *thd, sp_head *sp, sp_pcontext *spcont, Item *item, sp_expr_lex *lex) const override; }; class Sp_handler_package_function: public Sp_handler_function { public: int sp_cache_routine(THD *thd, const Database_qualified_name *name, sp_head **sp) const override { return sp_cache_package_routine(thd, name, sp); } sp_head *sp_find_routine(THD *thd, const Database_qualified_name *name, bool cache_only) const override { return sp_find_package_routine(thd, name, cache_only); } }; class Sp_handler_package: public Sp_handler { public: bool show_create_sp(THD *thd, String *buf, const LEX_CSTRING &db, const LEX_CSTRING &name, const LEX_CSTRING ¶ms, const LEX_CSTRING &returns, const LEX_CSTRING &body, const st_sp_chistics &chistics, const AUTHID &definer, const DDL_options_st ddl_options, sql_mode_t sql_mode) const override; }; class Sp_handler_package_spec: public Sp_handler_package { public: // TODO: make it private or protected int sp_find_and_drop_routine(THD *thd, TABLE *table, const Database_qualified_name *name) const override; public: enum_sp_type type() const override { return SP_TYPE_PACKAGE; } LEX_CSTRING type_lex_cstring() const override { static LEX_CSTRING m_type_str= {STRING_WITH_LEN("PACKAGE")}; return m_type_str; } enum_sql_command sqlcom_create() const override { return SQLCOM_CREATE_PACKAGE; } enum_sql_command sqlcom_drop() const override { return SQLCOM_DROP_PACKAGE; } LEX_CSTRING empty_body_lex_cstring(sql_mode_t mode) const override { static LEX_CSTRING m_empty_body= {STRING_WITH_LEN("BEGIN END")}; return m_empty_body; } const char *show_create_routine_col1_caption() const override { return "Package"; } const char *show_create_routine_col3_caption() const override { return "Create Package"; } MDL_key::enum_mdl_namespace get_mdl_type() const override { return MDL_key::PACKAGE_BODY; } sp_cache **get_cache(THD *) const override; #ifndef NO_EMBEDDED_ACCESS_CHECKS HASH *get_priv_hash() const override; #endif }; class Sp_handler_package_body: public Sp_handler_package { public: enum_sp_type type() const override { return SP_TYPE_PACKAGE_BODY; } LEX_CSTRING type_lex_cstring() const override { static LEX_CSTRING m_type_str= {STRING_WITH_LEN("PACKAGE BODY")}; return m_type_str; } enum_sql_command sqlcom_create() const override { return SQLCOM_CREATE_PACKAGE_BODY; } enum_sql_command sqlcom_drop() const override { return SQLCOM_DROP_PACKAGE_BODY; } LEX_CSTRING empty_body_lex_cstring(sql_mode_t mode) const override { static LEX_CSTRING m_empty_body= {STRING_WITH_LEN("BEGIN END")}; return m_empty_body; } const char *show_create_routine_col1_caption() const override { return "Package body"; } const char *show_create_routine_col3_caption() const override { return "Create Package Body"; } MDL_key::enum_mdl_namespace get_mdl_type() const override { return MDL_key::PACKAGE_BODY; } sp_cache **get_cache(THD *) const override; #ifndef NO_EMBEDDED_ACCESS_CHECKS HASH *get_priv_hash() const override; #endif }; class Sp_handler_trigger: public Sp_handler { public: enum_sp_type type() const override { return SP_TYPE_TRIGGER; } LEX_CSTRING type_lex_cstring() const override { static LEX_CSTRING m_type_str= { STRING_WITH_LEN("TRIGGER")}; return m_type_str; } enum_sql_command sqlcom_create() const override { return SQLCOM_CREATE_TRIGGER; } enum_sql_command sqlcom_drop() const override { return SQLCOM_DROP_TRIGGER; } MDL_key::enum_mdl_namespace get_mdl_type() const override { DBUG_ASSERT(0); return MDL_key::TRIGGER; } const Sp_handler *sp_handler_mysql_proc() const override { return NULL; } }; extern MYSQL_PLUGIN_IMPORT Sp_handler_function sp_handler_function; extern MYSQL_PLUGIN_IMPORT Sp_handler_procedure sp_handler_procedure; extern MYSQL_PLUGIN_IMPORT Sp_handler_package_spec sp_handler_package_spec; extern MYSQL_PLUGIN_IMPORT Sp_handler_package_body sp_handler_package_body; extern MYSQL_PLUGIN_IMPORT Sp_handler_package_function sp_handler_package_function; extern MYSQL_PLUGIN_IMPORT Sp_handler_package_procedure sp_handler_package_procedure; extern MYSQL_PLUGIN_IMPORT Sp_handler_trigger sp_handler_trigger; inline const Sp_handler *Sp_handler::handler(enum_sql_command cmd) { switch (cmd) { case SQLCOM_CREATE_PROCEDURE: case SQLCOM_ALTER_PROCEDURE: case SQLCOM_DROP_PROCEDURE: case SQLCOM_SHOW_PROC_CODE: case SQLCOM_SHOW_CREATE_PROC: case SQLCOM_SHOW_STATUS_PROC: return &sp_handler_procedure; case SQLCOM_CREATE_SPFUNCTION: case SQLCOM_ALTER_FUNCTION: case SQLCOM_DROP_FUNCTION: case SQLCOM_SHOW_FUNC_CODE: case SQLCOM_SHOW_CREATE_FUNC: case SQLCOM_SHOW_STATUS_FUNC: return &sp_handler_function; case SQLCOM_CREATE_PACKAGE: case SQLCOM_DROP_PACKAGE: case SQLCOM_SHOW_CREATE_PACKAGE: case SQLCOM_SHOW_STATUS_PACKAGE: return &sp_handler_package_spec; case SQLCOM_CREATE_PACKAGE_BODY: case SQLCOM_DROP_PACKAGE_BODY: case SQLCOM_SHOW_CREATE_PACKAGE_BODY: case SQLCOM_SHOW_STATUS_PACKAGE_BODY: case SQLCOM_SHOW_PACKAGE_BODY_CODE: return &sp_handler_package_body; default: break; } return NULL; } inline const Sp_handler *Sp_handler::handler(enum_sp_type type) { switch (type) { case SP_TYPE_PROCEDURE: return &sp_handler_procedure; case SP_TYPE_FUNCTION: return &sp_handler_function; case SP_TYPE_PACKAGE: return &sp_handler_package_spec; case SP_TYPE_PACKAGE_BODY: return &sp_handler_package_body; case SP_TYPE_TRIGGER: return &sp_handler_trigger; case SP_TYPE_EVENT: break; } return NULL; } inline const Sp_handler *Sp_handler::handler(MDL_key::enum_mdl_namespace type) { switch (type) { case MDL_key::FUNCTION: return &sp_handler_function; case MDL_key::PROCEDURE: return &sp_handler_procedure; case MDL_key::PACKAGE_BODY: return &sp_handler_package_body; case MDL_key::BACKUP: case MDL_key::SCHEMA: case MDL_key::TABLE: case MDL_key::TRIGGER: case MDL_key::EVENT: case MDL_key::USER_LOCK: case MDL_key::NAMESPACE_END: break; } return NULL; } /* Tells what SP_DEFAULT_ACCESS should be mapped to */ #define SP_DEFAULT_ACCESS_MAPPING SP_CONTAINS_SQL // Return codes from sp_create_*, sp_drop_*, and sp_show_*: #define SP_OK 0 #define SP_KEY_NOT_FOUND -1 #define SP_OPEN_TABLE_FAILED -2 #define SP_WRITE_ROW_FAILED -3 #define SP_DELETE_ROW_FAILED -4 #define SP_GET_FIELD_FAILED -5 #define SP_PARSE_ERROR -6 #define SP_INTERNAL_ERROR -7 #define SP_NO_DB_ERROR -8 #define SP_BAD_IDENTIFIER -9 #define SP_BODY_TOO_LONG -10 #define SP_FLD_STORE_FAILED -11 /* DB storage of Stored PROCEDUREs and FUNCTIONs */ enum { MYSQL_PROC_FIELD_DB = 0, MYSQL_PROC_FIELD_NAME, MYSQL_PROC_MYSQL_TYPE, MYSQL_PROC_FIELD_SPECIFIC_NAME, MYSQL_PROC_FIELD_LANGUAGE, MYSQL_PROC_FIELD_ACCESS, MYSQL_PROC_FIELD_DETERMINISTIC, MYSQL_PROC_FIELD_SECURITY_TYPE, MYSQL_PROC_FIELD_PARAM_LIST, MYSQL_PROC_FIELD_RETURNS, MYSQL_PROC_FIELD_BODY, MYSQL_PROC_FIELD_DEFINER, MYSQL_PROC_FIELD_CREATED, MYSQL_PROC_FIELD_MODIFIED, MYSQL_PROC_FIELD_SQL_MODE, MYSQL_PROC_FIELD_COMMENT, MYSQL_PROC_FIELD_CHARACTER_SET_CLIENT, MYSQL_PROC_FIELD_COLLATION_CONNECTION, MYSQL_PROC_FIELD_DB_COLLATION, MYSQL_PROC_FIELD_BODY_UTF8, MYSQL_PROC_FIELD_AGGREGATE, MYSQL_PROC_FIELD_COUNT }; /* Drop all routines in database 'db' */ int sp_drop_db_routines(THD *thd, const LEX_CSTRING &db); /** Acquires exclusive metadata lock on all stored routines in the given database. @param thd Thread handler @param db Database name @retval false Success @retval true Failure */ bool lock_db_routines(THD *thd, const Lex_ident_db_normalized &db); /** Structure that represents element in the set of stored routines used by statement or routine. */ class Sroutine_hash_entry { public: /** Metadata lock request for routine. MDL_key in this request is also used as a key for set. */ MDL_request mdl_request; /** Next element in list linking all routines in set. See also comments for LEX::sroutine/sroutine_list and sp_head::m_sroutines. */ Sroutine_hash_entry *next; /** Uppermost view which directly or indirectly uses this routine. 0 if routine is not used in view. Note that it also can be 0 if statement uses routine both via view and directly. */ TABLE_LIST *belong_to_view; /** This is for prepared statement validation purposes. A statement looks up and pre-loads all its stored functions at prepare. Later on, if a function is gone from the cache, execute may fail. Remember the version of sp_head at prepare to be able to invalidate the prepared statement at execute if it changes. */ ulong m_sp_cache_version; const Sp_handler *m_handler; int sp_cache_routine(THD *thd, sp_head **sp) const; }; bool sp_add_used_routine(Query_tables_list *prelocking_ctx, Query_arena *arena, const MDL_key *key, const Sp_handler *handler, TABLE_LIST *belong_to_view); void sp_remove_not_own_routines(Query_tables_list *prelocking_ctx); bool sp_update_sp_used_routines(HASH *dst, HASH *src); void sp_update_stmt_used_routines(THD *thd, Query_tables_list *prelocking_ctx, HASH *src, TABLE_LIST *belong_to_view); void sp_update_stmt_used_routines(THD *thd, Query_tables_list *prelocking_ctx, SQL_I_List<Sroutine_hash_entry> *src, TABLE_LIST *belong_to_view); extern "C" const uchar *sp_sroutine_key(const void *ptr, size_t *plen, my_bool); /* Routines which allow open/lock and close mysql.proc table even when we already have some tables open and locked. */ TABLE *open_proc_table_for_read(THD *thd); bool load_charset(THD *thd, MEM_ROOT *mem_root, Field *field, CHARSET_INFO *dflt_cs, CHARSET_INFO **cs); bool load_collation(THD *thd,MEM_ROOT *mem_root, Field *field, CHARSET_INFO *dflt_cl, CHARSET_INFO **cl); void sp_returns_type(THD *thd, String &result, const sp_head *sp); #endif /* _SP_H_ */
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