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125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/* Copyright (C) 2008-2009 Sun Microsystems, Inc
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef TABLE_SETUP_OBJECTS_H
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#define TABLE_SETUP_OBJECTS_H
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/**
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@file storage/perfschema/table_setup_objects.h
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Table SETUP_OBJECTS (declarations).
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*/
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#include "pfs_instr_class.h"
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#include "pfs_engine_table.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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/** A row of PERFORMANCE_SCHEMA.SETUP_OBJECTS. */
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struct row_setup_objects
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{
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/** Column SCHEMA_NAME. */
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const char *m_schema_name;
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/** Length in bytes of @c m_schema_name. */
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uint m_schema_name_length;
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/** Column OBJECT_NAME. */
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const char *m_object_name;
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/** Length in bytes of @c m_object_name. */
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uint m_object_name_length;
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/** Column ENABLED. */
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bool *m_enabled_ptr;
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/** Column TIMED. */
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bool *m_timed_ptr;
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/** Column AGGREGATED. */
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bool *m_aggregated_ptr;
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};
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/** Position of a cursor on PERFORMANCE_SCHEMA.SETUP_OBJECTS. */
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struct pos_setup_objects : public PFS_double_index,
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public PFS_object_view_constants
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{
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pos_setup_objects()
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: PFS_double_index(VIEW_TABLE, 0)
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{}
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inline void reset(void)
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{
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m_index_1= VIEW_TABLE;
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m_index_2= 0;
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}
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inline bool has_more_view(void)
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{ return (m_index_1 <= VIEW_FUNCTION); }
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inline void next_view(void)
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{
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m_index_1++;
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m_index_2= 0;
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}
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};
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/** Table PERFORMANCE_SCHEMA.SETUP_OBJECTS. */
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class table_setup_objects : 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 write_row(TABLE *table, unsigned char *buf, Field **fields);
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static int delete_all_rows();
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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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virtual int update_row_values(TABLE *table,
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const unsigned char *old_buf,
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unsigned char *new_buf,
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Field **fields);
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table_setup_objects();
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public:
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~table_setup_objects()
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{}
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private:
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void make_row(PFS_table_share *share);
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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_setup_objects 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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pos_setup_objects m_pos;
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/** Next position. */
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pos_setup_objects m_next_pos;
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};
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/** @} */
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#endif
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