232 lines
6.6 KiB
C++
232 lines
6.6 KiB
C++
/* Copyright (c) 2014, 2019, 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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 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 <sys/types.h>
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#include "my_inttypes.h"
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#include "storage/perfschema/pfs_prepared_stmt.h"
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#include "storage/perfschema/table_helper.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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/** 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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class PFS_index_prepared_stmt_instances : public PFS_engine_index {
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public:
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PFS_index_prepared_stmt_instances(PFS_engine_key *key_1)
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: PFS_engine_index(key_1) {}
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PFS_index_prepared_stmt_instances(PFS_engine_key *key_1,
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PFS_engine_key *key_2)
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: PFS_engine_index(key_1, key_2) {}
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PFS_index_prepared_stmt_instances(PFS_engine_key *key_1,
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PFS_engine_key *key_2,
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PFS_engine_key *key_3)
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: PFS_engine_index(key_1, key_2, key_3) {}
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~PFS_index_prepared_stmt_instances() {}
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virtual bool match(const PFS_prepared_stmt *pfs) = 0;
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};
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class PFS_index_prepared_stmt_instances_by_instance
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: public PFS_index_prepared_stmt_instances {
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public:
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PFS_index_prepared_stmt_instances_by_instance()
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: PFS_index_prepared_stmt_instances(&m_key),
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m_key("OBJECT_INSTANCE_BEGIN") {}
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~PFS_index_prepared_stmt_instances_by_instance() {}
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virtual bool match(const PFS_prepared_stmt *pfs);
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private:
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PFS_key_object_instance m_key;
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};
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class PFS_index_prepared_stmt_instances_by_owner_thread
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: public PFS_index_prepared_stmt_instances {
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public:
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PFS_index_prepared_stmt_instances_by_owner_thread()
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: PFS_index_prepared_stmt_instances(&m_key_1, &m_key_2),
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m_key_1("OWNER_THREAD_ID"),
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m_key_2("OWNER_EVENT_ID") {}
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~PFS_index_prepared_stmt_instances_by_owner_thread() {}
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bool match(const PFS_prepared_stmt *pfs);
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private:
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PFS_key_thread_id m_key_1;
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PFS_key_event_id m_key_2;
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};
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class PFS_index_prepared_stmt_instances_by_statement_id
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: public PFS_index_prepared_stmt_instances {
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public:
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PFS_index_prepared_stmt_instances_by_statement_id()
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: PFS_index_prepared_stmt_instances(&m_key), m_key("STATEMENT_ID") {}
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~PFS_index_prepared_stmt_instances_by_statement_id() {}
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bool match(const PFS_prepared_stmt *pfs);
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private:
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PFS_key_statement_id m_key;
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};
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class PFS_index_prepared_stmt_instances_by_statement_name
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: public PFS_index_prepared_stmt_instances {
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public:
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PFS_index_prepared_stmt_instances_by_statement_name()
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: PFS_index_prepared_stmt_instances(&m_key), m_key("STATEMENT_NAME") {}
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~PFS_index_prepared_stmt_instances_by_statement_name() {}
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bool match(const PFS_prepared_stmt *pfs);
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private:
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PFS_key_statement_name m_key;
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};
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class PFS_index_prepared_stmt_instances_by_owner_object
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: public PFS_index_prepared_stmt_instances {
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public:
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PFS_index_prepared_stmt_instances_by_owner_object()
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: PFS_index_prepared_stmt_instances(&m_key_1, &m_key_2, &m_key_3),
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m_key_1("OWNER_OBJECT_TYPE"),
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m_key_2("OWNER_OBJECT_SCHEMA"),
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m_key_3("OWNER_OBJECT_NAME") {}
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~PFS_index_prepared_stmt_instances_by_owner_object() {}
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virtual bool match(const PFS_prepared_stmt *table);
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private:
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PFS_key_object_type_enum m_key_1;
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PFS_key_object_schema m_key_2;
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PFS_key_object_name m_key_3;
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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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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(PFS_engine_table_share *);
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static int delete_all_rows();
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static ha_rows get_row_count();
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virtual void reset_position(void);
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virtual int rnd_next();
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virtual int rnd_pos(const void *pos);
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virtual int index_init(uint idx, bool sorted);
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virtual int index_next();
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protected:
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virtual int read_row_values(TABLE *table, unsigned char *buf, 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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protected:
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int make_row(PFS_prepared_stmt *);
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/** Table share lock. */
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static THR_LOCK m_table_lock;
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/** Table definition. */
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static Plugin_table m_table_def;
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/** Current row. */
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row_prepared_stmt_instances m_row;
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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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PFS_index_prepared_stmt_instances *m_opened_index;
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};
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/** @} */
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#endif
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