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125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/* Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#ifndef TABLE_PREPARED_STMT_INSTANCES
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#define TABLE_PREPARED_STMT_INSTANCES
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/**
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@file storage/perfschema/table_prepared_stmt_instances.h
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Table PREPARED_STATEMENT_INSTANCE(declarations).
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*/
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#include "table_helper.h"
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#include "pfs_prepared_stmt.h"
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/**
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@addtogroup Performance_schema_tables
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@{
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*/
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/**
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A row of table
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PERFORMANCE_SCHEMA.PREPARED_STATEMENT_INSTANCES.
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*/
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struct row_prepared_stmt_instances
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{
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/** Column OBJECT_INSTANCE_BEGIN. */
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const void *m_identity;
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/** Column STMT_ID. */
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ulonglong m_stmt_id;
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/** Column STMT_NAME. */
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char m_stmt_name[COL_INFO_SIZE];
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int m_stmt_name_length;
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/** Column SQL_TEXT. */
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char m_sql_text[COL_INFO_SIZE];
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int m_sql_text_length;
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/** Column OWNER_THREAD_ID. */
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ulonglong m_owner_thread_id;
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/** Column OWNER_EVENT_ID. */
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ulonglong m_owner_event_id;
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/** Column OWNER_OBJECT_TYPE. */
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enum_object_type m_owner_object_type;
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/** Column OWNER_OBJECT_SCHEMA */
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char m_owner_object_schema[COL_OBJECT_SCHEMA_SIZE];
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int m_owner_object_schema_length;
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/** Column OWNER_OBJECT_NAME */
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char m_owner_object_name[COL_OBJECT_NAME_SIZE];
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int m_owner_object_name_length;
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/** Columns TIMER_PREPARE. */
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PFS_stat_row m_prepare_stat;
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/** Columns COUNT_REPREPARE. */
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PFS_stat_row m_reprepare_stat;
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/** Columns COUNT_STAR...SUM_NO_GOOD_INDEX_USED. */
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PFS_statement_stat_row m_execute_stat;
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};
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/** Table PERFORMANCE_SCHEMA.PREPARED_STATEMENT_INSTANCES. */
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class table_prepared_stmt_instances : public PFS_engine_table
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{
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public:
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/** Table share */
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static PFS_engine_table_share m_share;
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static PFS_engine_table* create();
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static int delete_all_rows();
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static ha_rows get_row_count();
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virtual int rnd_next();
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virtual int rnd_pos(const void *pos);
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virtual void reset_position(void);
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protected:
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virtual int read_row_values(TABLE *table,
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unsigned char *buf,
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Field **fields,
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bool read_all);
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table_prepared_stmt_instances();
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public:
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~table_prepared_stmt_instances()
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{}
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protected:
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void make_row(PFS_prepared_stmt*);
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private:
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/** Table share lock. */
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static THR_LOCK m_table_lock;
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/** Fields definition. */
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static TABLE_FIELD_DEF m_field_def;
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/** Current row. */
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row_prepared_stmt_instances m_row;
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/** True is the current row exists. */
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bool m_row_exists;
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/** Current position. */
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PFS_simple_index m_pos;
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/** Next position. */
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PFS_simple_index m_next_pos;
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};
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/** @} */
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#endif
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