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Diffstat (limited to 'storage/perfschema/table_events_statements.h')
| -rw-r--r-- | storage/perfschema/table_events_statements.h | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/storage/perfschema/table_events_statements.h b/storage/perfschema/table_events_statements.h new file mode 100644 index 00000000000..dcc6611f555 --- /dev/null +++ b/storage/perfschema/table_events_statements.h @@ -0,0 +1,288 @@ +/* Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + 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 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, + 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */ + +#ifndef TABLE_EVENTS_STATEMENTS_H +#define TABLE_EVENTS_STATEMENTS_H + +/** + @file storage/perfschema/table_events_statements.h + Table EVENTS_STATEMENTS_xxx (declarations). +*/ + +#include "pfs_column_types.h" +#include "pfs_engine_table.h" +#include "pfs_events_statements.h" +#include "table_helper.h" + +struct PFS_thread; + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** A row of table_events_statements_common. */ +struct row_events_statements +{ + /** Column THREAD_ID. */ + ulonglong m_thread_internal_id; + /** Column EVENT_ID. */ + ulonglong m_event_id; + /** Column END_EVENT_ID. */ + ulonglong m_end_event_id; + /** Column NESTING_EVENT_ID. */ + ulonglong m_nesting_event_id; + /** Column NESTING_EVENT_TYPE. */ + enum_event_type m_nesting_event_type; + /** Column EVENT_NAME. */ + const char *m_name; + /** Length in bytes of @c m_name. */ + uint m_name_length; + /** Column TIMER_START. */ + ulonglong m_timer_start; + /** Column TIMER_END. */ + ulonglong m_timer_end; + /** Column TIMER_WAIT. */ + ulonglong m_timer_wait; + /** Column LOCK_TIME. */ + ulonglong m_lock_time; + /** Column SOURCE. */ + char m_source[COL_SOURCE_SIZE]; + /** Length in bytes of @c m_source. */ + uint m_source_length; + /** Column SQL_TEXT. */ + char m_sqltext[COL_INFO_SIZE]; + /** Column DIGEST and DIGEST_TEXT. */ + PFS_digest_row m_digest; + /** Length in bytes of @c m_info. */ + uint m_sqltext_length; + /** Column CURRENT_SCHEMA. */ + char m_current_schema_name[NAME_LEN]; + /** Length in bytes of @c m_current_schema_name. */ + uint m_current_schema_name_length; + + /** Column MESSAGE_TEXT. */ + char m_message_text[MYSQL_ERRMSG_SIZE+1]; + /** Column MYSQL_ERRNO. */ + uint m_sql_errno; + /** Column RETURNED_SQLSTATE. */ + char m_sqlstate[SQLSTATE_LENGTH]; + /** Column ERRORS. */ + uint m_error_count; + /** Column WARNINGS. */ + uint m_warning_count; + /** Column ROWS_AFFECTED. */ + ulonglong m_rows_affected; + /** Column ROWS_SENT. */ + ulonglong m_rows_sent; + /** Column ROWS_EXAMINED. */ + ulonglong m_rows_examined; + /** Column CREATED_TMP_DISK_TABLES. */ + ulonglong m_created_tmp_disk_tables; + /** Column CREATED_TMP_TABLES. */ + ulonglong m_created_tmp_tables; + /** Column SELECT_FULL_JOIN. */ + ulonglong m_select_full_join; + /** Column SELECT_FULL_RANGE_JOIN. */ + ulonglong m_select_full_range_join; + /** Column SELECT_RANGE. */ + ulonglong m_select_range; + /** Column SELECT_RANGE_CHECK. */ + ulonglong m_select_range_check; + /** Column SELECT_SCAN. */ + ulonglong m_select_scan; + /** Column SORT_MERGE_PASSES. */ + ulonglong m_sort_merge_passes; + /** Column SORT_RANGE. */ + ulonglong m_sort_range; + /** Column SORT_ROWS. */ + ulonglong m_sort_rows; + /** Column SORT_SCAN. */ + ulonglong m_sort_scan; + /** Column NO_INDEX_USED. */ + ulonglong m_no_index_used; + /** Column NO_GOOD_INDEX_USED. */ + ulonglong m_no_good_index_used; +}; + +/** Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT. */ +struct pos_events_statements_current : public PFS_double_index +{ + pos_events_statements_current() + : PFS_double_index(0, 0) + {} + + inline void reset(void) + { + m_index_1= 0; + m_index_2= 0; + } + + inline void next_thread(void) + { + m_index_1++; + m_index_2= 0; + } +}; + +/** Position of a cursor on PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY. */ +struct pos_events_statements_history : public PFS_double_index +{ + pos_events_statements_history() + : PFS_double_index(0, 0) + {} + + inline void reset(void) + { + m_index_1= 0; + m_index_2= 0; + } + + inline void next_thread(void) + { + m_index_1++; + m_index_2= 0; + } +}; + +/** + Adapter, for table sharing the structure of + PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT. +*/ +class table_events_statements_common : public PFS_engine_table +{ +protected: + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_events_statements_common(const PFS_engine_table_share *share, void *pos); + + ~table_events_statements_common() + {} + + void make_row(PFS_events_statements *statement); + + /** Current row. */ + row_events_statements m_row; + /** True if the current row exists. */ + bool m_row_exists; +}; + +/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_CURRENT. */ +class table_events_statements_current : public table_events_statements_common +{ +public: + /** Table share */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static int delete_all_rows(); + + virtual int rnd_init(bool scan); + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +protected: + table_events_statements_current(); + +public: + ~table_events_statements_current() + {} + +private: + friend class table_events_statements_history; + friend class table_events_statements_history_long; + + /** Table share lock. */ + static THR_LOCK m_table_lock; + /** + Fields definition. + Also used by table_events_statements_history + and table_events_statements_history_long. + */ + static TABLE_FIELD_DEF m_field_def; + + /** Current position. */ + pos_events_statements_current m_pos; + /** Next position. */ + pos_events_statements_current m_next_pos; +}; + +/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY. */ +class table_events_statements_history : public table_events_statements_common +{ +public: + /** Table share */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static int delete_all_rows(); + + virtual int rnd_init(bool scan); + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +protected: + table_events_statements_history(); + +public: + ~table_events_statements_history() + {} + +private: + /** Table share lock. */ + static THR_LOCK m_table_lock; + + /** Current position. */ + pos_events_statements_history m_pos; + /** Next position. */ + pos_events_statements_history m_next_pos; +}; + +/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_HISTORY_LONG. */ +class table_events_statements_history_long : public table_events_statements_common +{ +public: + /** Table share */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static int delete_all_rows(); + + virtual int rnd_init(bool scan); + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +protected: + table_events_statements_history_long(); + +public: + ~table_events_statements_history_long() + {} + +private: + /** Table share lock. */ + static THR_LOCK m_table_lock; + + /** Current position. */ + PFS_simple_index m_pos; + /** Next position. */ + PFS_simple_index m_next_pos; +}; + +/** @} */ +#endif |