polardbxengine/plugin/x/protocol/protobuf/mysqlx_prepare.proto

127 lines
3.9 KiB
Protocol Buffer

/*
* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2.0,
* as published by the Free Software Foundation.
*
* This program is also distributed with certain software (including
* but not limited to OpenSSL) that is licensed under separate terms,
* as designated in a particular file or component or in included license
* documentation. The authors of MySQL hereby grant you an additional
* permission to link the program and your derivative works with the
* separately licensed software that they have included with MySQL.
*
* 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, version 2.0, 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 02110-1301 USA
*/
syntax = "proto2";
// ifdef PROTOBUF_LITE: option optimize_for = LITE_RUNTIME;
// Handling of prepared statments
package Mysqlx.Prepare;
option java_package = "com.mysql.cj.x.protobuf";
import "mysqlx.proto"; // comment_out_if PROTOBUF_LITE
import "mysqlx_sql.proto";
import "mysqlx_crud.proto";
import "mysqlx_datatypes.proto";
// Prepare a new statement
//
// .. uml::
//
// client -> server: Prepare
// alt Success
// client <- server: Ok
// else Failure
// client <- server: Error
// end
//
// :param stmt_id: client side assigned statement id, which is going to identify the result of preparation
// :param stmt: defines one of following messages to be prepared - Crud.Find, Crud.Insert, Crud.Delete, Crud.Upsert, Sql.StmtExecute
// :Returns: :protobuf:msg:`Mysqlx.Ok|Mysqlx.Error`
message Prepare {
required uint32 stmt_id = 1;
message OneOfMessage {
// Determine which of optional fields was set by the client
// (Workaround for missing "oneof" keyword in pb2.5)
enum Type {
FIND = 0;
INSERT = 1;
UPDATE = 2;
DELETE = 4;
STMT = 5;
}
required Type type = 1;
optional Mysqlx.Crud.Find find = 2;
optional Mysqlx.Crud.Insert insert = 3;
optional Mysqlx.Crud.Update update = 4;
optional Mysqlx.Crud.Delete delete = 5;
optional Mysqlx.Sql.StmtExecute stmt_execute = 6;
}
required OneOfMessage stmt = 2;
option (client_message_id) = PREPARE_PREPARE; // comment_out_if PROTOBUF_LITE
}
// Execute already prepared statement
//
// .. uml::
//
// client -> server: Execute
// alt Success
// ... Resultsets...
// client <- server: StmtExecuteOk
// else Failure
// client <- server: Error
// end
//
// :param stmt_id: client side assigned statement id, must be already prepared
// :param args_list: Arguments to bind to the prepared statement
// :param compact_metadata: send only type information for :protobuf:msg:`Mysqlx.Resultset::ColumnMetadata`, skipping names and others
// :Returns: :protobuf:msg:`Mysqlx.Ok::`
message Execute {
required uint32 stmt_id = 1;
repeated Mysqlx.Datatypes.Any args = 2;
optional bool compact_metadata = 3 [ default = false ];
option (client_message_id) = PREPARE_EXECUTE; // comment_out_if PROTOBUF_LITE
}
// Deallocate already prepared statement
//
// Deallocating the statement.
//
// .. uml::
//
// client -> server: Deallocate
// alt Success
// client <- server: Ok
// else Failure
// client <- server: Error
// end
//
// :param stmt_id: client side assigned statement id, must be already prepared
// :Returns: :protobuf:msg:`Mysqlx.Ok|Mysqlx.Error`
message Deallocate {
required uint32 stmt_id = 1;
option (client_message_id) = PREPARE_DEALLOCATE; // comment_out_if PROTOBUF_LITE
}