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/* * Copyright (c) 2015, 2023, Oracle and/or its affiliates. * * 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 */ #ifndef _XPL_STREAMING_COMMAND_DELEGATE_H_ #define _XPL_STREAMING_COMMAND_DELEGATE_H_ #include "command_delegate.h" namespace ngs { class Protocol_encoder; } // namespace ngs namespace xpl { class Streaming_command_delegate : public Command_delegate { public: Streaming_command_delegate(ngs::Protocol_encoder *proto); virtual ~Streaming_command_delegate(); void set_compact_metadata(bool flag) { m_compact_metadata = flag; } bool compact_metadata() const { return m_compact_metadata; } virtual void reset(); private: virtual int start_result_metadata(uint num_cols, uint flags, const CHARSET_INFO *resultcs); virtual int field_metadata(struct st_send_field *field, const CHARSET_INFO *charset); virtual int end_result_metadata(uint server_status, uint warn_count); virtual int start_row(); virtual int end_row(); virtual void abort_row(); virtual ulong get_client_capabilities(); virtual int get_null(); virtual int get_integer(longlong value); virtual int get_longlong(longlong value, uint unsigned_flag); virtual int get_decimal(const decimal_t *value); virtual int get_double(double value, uint32 decimals); virtual int get_date(const MYSQL_TIME *value); virtual int get_time(const MYSQL_TIME *value, uint decimals); virtual int get_datetime(const MYSQL_TIME *value, uint decimals); virtual int get_string(const char * const value, size_t length, const CHARSET_INFO *const valuecs); virtual void handle_ok(uint server_status, uint statement_warn_count, ulonglong affected_rows, ulonglong last_insert_id, const char * const message); virtual enum cs_text_or_binary representation() const { return CS_BINARY_REPRESENTATION; } bool send_column_metadata(uint64_t xcollation, const Mysqlx::Resultset::ColumnMetaData::FieldType &xtype, uint32_t xflags, uint32_t ctype, const st_send_field *field); ngs::Protocol_encoder *m_proto; const CHARSET_INFO *m_resultcs; bool m_sent_result; bool m_compact_metadata; }; } #endif // _XPL_STREAMING_COMMAND_DELEGATE_H_