342 lines
9.4 KiB
C++
342 lines
9.4 KiB
C++
/* Copyright (c) 2010, 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_EVENTS_STATEMENTS_H
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#define TABLE_EVENTS_STATEMENTS_H
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/**
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@file storage/perfschema/table_events_statements.h
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Table EVENTS_STATEMENTS_xxx (declarations).
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*/
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#include <sys/types.h>
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#include "my_base.h"
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#include "my_inttypes.h"
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#include "mysql_com.h"
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#include "sql/sql_digest.h"
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#include "sql_string.h"
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#include "storage/perfschema/pfs_column_types.h"
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#include "storage/perfschema/pfs_engine_table.h"
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#include "storage/perfschema/table_helper.h"
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class Field;
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class Plugin_table;
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struct PFS_events;
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struct PFS_events_statements;
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struct PFS_thread;
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struct TABLE;
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struct THR_LOCK;
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/**
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@addtogroup performance_schema_tables
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@{
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*/
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class PFS_index_events_statements : public PFS_engine_index {
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public:
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PFS_index_events_statements()
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: PFS_engine_index(&m_key_1, &m_key_2),
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m_key_1("THREAD_ID"),
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m_key_2("EVENT_ID") {}
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~PFS_index_events_statements() {}
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bool match(PFS_thread *pfs);
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bool match(PFS_events *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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/** A row of table_events_statements_common. */
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struct row_events_statements {
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/** Column THREAD_ID. */
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ulonglong m_thread_internal_id;
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/** Column EVENT_ID. */
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ulonglong m_event_id;
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/** Column END_EVENT_ID. */
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ulonglong m_end_event_id;
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/** Column NESTING_EVENT_ID. */
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ulonglong m_nesting_event_id;
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/** Column NESTING_EVENT_TYPE. */
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enum_event_type m_nesting_event_type;
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/** Column NESTING_EVENT_LEVEL. */
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uint m_nesting_event_level;
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/** Column EVENT_NAME. */
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const char *m_name;
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/** Length in bytes of @c m_name. */
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uint m_name_length;
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/** Column TIMER_START. */
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ulonglong m_timer_start;
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/** Column TIMER_END. */
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ulonglong m_timer_end;
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/** Column TIMER_WAIT. */
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ulonglong m_timer_wait;
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/** Column LOCK_TIME. */
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ulonglong m_lock_time;
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/** Column SOURCE. */
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char m_source[COL_SOURCE_SIZE];
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/** Length in bytes of @c m_source. */
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uint m_source_length;
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/** Column SQL_TEXT. */
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String m_sqltext;
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/** Column DIGEST and DIGEST_TEXT. */
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PFS_digest_row m_digest;
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/** Column CURRENT_SCHEMA. */
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char m_current_schema_name[NAME_LEN];
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/** Length in bytes of @c m_current_schema_name. */
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uint m_current_schema_name_length;
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/** Column OBJECT_TYPE. */
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enum_object_type m_object_type;
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/** Column OBJECT_SCHEMA. */
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char m_schema_name[NAME_LEN];
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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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char m_object_name[NAME_LEN];
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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 MESSAGE_TEXT. */
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char m_message_text[MYSQL_ERRMSG_SIZE + 1];
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/** Column MYSQL_ERRNO. */
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uint m_sql_errno;
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/** Column RETURNED_SQLSTATE. */
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char m_sqlstate[SQLSTATE_LENGTH];
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/** Column ERRORS. */
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uint m_error_count;
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/** Column WARNINGS. */
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uint m_warning_count;
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/** Column ROWS_AFFECTED. */
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ulonglong m_rows_affected;
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/** Column ROWS_SENT. */
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ulonglong m_rows_sent;
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/** Column ROWS_EXAMINED. */
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ulonglong m_rows_examined;
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/** Column CREATED_TMP_DISK_TABLES. */
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ulonglong m_created_tmp_disk_tables;
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/** Column CREATED_TMP_TABLES. */
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ulonglong m_created_tmp_tables;
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/** Column SELECT_FULL_JOIN. */
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ulonglong m_select_full_join;
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/** Column SELECT_FULL_RANGE_JOIN. */
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ulonglong m_select_full_range_join;
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/** Column SELECT_RANGE. */
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ulonglong m_select_range;
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/** Column SELECT_RANGE_CHECK. */
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ulonglong m_select_range_check;
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/** Column SELECT_SCAN. */
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ulonglong m_select_scan;
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/** Column SORT_MERGE_PASSES. */
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ulonglong m_sort_merge_passes;
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/** Column SORT_RANGE. */
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ulonglong m_sort_range;
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/** Column SORT_ROWS. */
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ulonglong m_sort_rows;
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/** Column SORT_SCAN. */
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ulonglong m_sort_scan;
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/** Column NO_INDEX_USED. */
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ulonglong m_no_index_used;
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/** Column NO_GOOD_INDEX_USED. */
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ulonglong m_no_good_index_used;
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/** Column STATEMENT_ID. */
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ulonglong m_statement_id;
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};
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/** Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT. */
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struct pos_events_statements_current : public PFS_double_index {
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pos_events_statements_current() : PFS_double_index(0, 0) {}
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inline void reset(void) {
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m_index_1 = 0;
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m_index_2 = 0;
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}
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inline void next_thread(void) {
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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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/** Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY. */
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struct pos_events_statements_history : public PFS_double_index {
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pos_events_statements_history() : PFS_double_index(0, 0) {}
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inline void reset(void) {
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m_index_1 = 0;
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m_index_2 = 0;
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}
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inline void next_thread(void) {
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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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/**
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Adapter, for table sharing the structure of
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PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT.
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*/
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class table_events_statements_common : public PFS_engine_table {
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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_events_statements_common(const PFS_engine_table_share *share,
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void *pos);
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~table_events_statements_common() {}
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int make_row_part_1(PFS_events_statements *statement,
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sql_digest_storage *digest);
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int make_row_part_2(const sql_digest_storage *digest);
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/** Current row. */
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row_events_statements m_row;
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unsigned char m_token_array[MAX_DIGEST_STORAGE_SIZE];
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};
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/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT. */
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class table_events_statements_current : public table_events_statements_common {
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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_init(bool scan);
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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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table_events_statements_current();
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public:
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~table_events_statements_current() {}
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private:
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friend class table_events_statements_history;
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friend class table_events_statements_history_long;
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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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int make_row(PFS_thread *pfs_thread, PFS_events_statements *statement);
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/** Current position. */
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pos_events_statements_current m_pos;
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/** Next position. */
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pos_events_statements_current m_next_pos;
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PFS_index_events_statements *m_opened_index;
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};
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/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY. */
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class table_events_statements_history : public table_events_statements_common {
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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 int index_init(uint idx, bool sorted);
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virtual int index_next();
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virtual int rnd_init(bool scan);
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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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table_events_statements_history();
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public:
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~table_events_statements_history() {}
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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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/** Table definition. */
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static Plugin_table m_table_def;
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int make_row(PFS_thread *pfs_thread, PFS_events_statements *statement);
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/** Current position. */
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pos_events_statements_history m_pos;
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/** Next position. */
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pos_events_statements_history m_next_pos;
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PFS_index_events_statements *m_opened_index;
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};
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/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY_LONG. */
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class table_events_statements_history_long
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: public table_events_statements_common {
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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 int rnd_init(bool scan);
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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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table_events_statements_history_long();
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public:
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~table_events_statements_history_long() {}
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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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/** Table definition. */
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static Plugin_table m_table_def;
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int make_row(PFS_events_statements *statement);
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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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