diff options
Diffstat (limited to 'storage/perfschema/table_esms_by_digest.cc')
| -rw-r--r-- | storage/perfschema/table_esms_by_digest.cc | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/storage/perfschema/table_esms_by_digest.cc b/storage/perfschema/table_esms_by_digest.cc new file mode 100644 index 00000000..6a3f2bf3 --- /dev/null +++ b/storage/perfschema/table_esms_by_digest.cc @@ -0,0 +1,233 @@ +/* Copyright (c) 2010, 2022, Oracle and/or its affiliates. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License, version 2.0, + as published by the Free Software Foundation. + + This program is also distributed with certain software (including + but not limited to OpenSSL) that is licensed under separate terms, + as designated in a particular file or component or in included license + documentation. The authors of MySQL hereby grant you an additional + permission to link the program and your derivative works with the + separately licensed software that they have included with MySQL. + + 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, version 2.0, 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +/** + @file storage/perfschema/table_esms_by_digest.cc + Table EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_DIGEST (implementation). +*/ + +#include "my_global.h" +#include "my_thread.h" +#include "pfs_instr_class.h" +#include "pfs_column_types.h" +#include "pfs_column_values.h" +#include "table_esms_by_digest.h" +#include "pfs_global.h" +#include "pfs_instr.h" +#include "pfs_timer.h" +#include "pfs_visitor.h" +#include "table_esms_by_digest.h" +#include "pfs_digest.h" +#include "field.h" + +THR_LOCK table_esms_by_digest::m_table_lock; + +PFS_engine_table_share_state +table_esms_by_digest::m_share_state = { + false /* m_checked */ +}; + +PFS_engine_table_share +table_esms_by_digest::m_share= +{ + { C_STRING_WITH_LEN("events_statements_summary_by_digest") }, + &pfs_truncatable_acl, + table_esms_by_digest::create, + NULL, /* write_row */ + table_esms_by_digest::delete_all_rows, + table_esms_by_digest::get_row_count, + sizeof(PFS_simple_index), + &m_table_lock, + { C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_digest(" + "SCHEMA_NAME VARCHAR(64) comment 'Database name. Records are summarised together with DIGEST.'," + "DIGEST VARCHAR(32) comment 'Performance Schema digest. Records are summarised together with SCHEMA NAME.'," + "DIGEST_TEXT LONGTEXT comment 'The unhashed form of the digest.'," + "COUNT_STAR BIGINT unsigned not null comment 'Number of summarized events'," + "SUM_TIMER_WAIT BIGINT unsigned not null comment 'Total wait time of the summarized events that are timed.'," + "MIN_TIMER_WAIT BIGINT unsigned not null comment 'Minimum wait time of the summarized events that are timed.'," + "AVG_TIMER_WAIT BIGINT unsigned not null comment 'Average wait time of the summarized events that are timed.'," + "MAX_TIMER_WAIT BIGINT unsigned not null comment 'Maximum wait time of the summarized events that are timed.'," + "SUM_LOCK_TIME BIGINT unsigned not null comment 'Sum of the LOCK_TIME column in the events_statements_current table.'," + "SUM_ERRORS BIGINT unsigned not null comment 'Sum of the ERRORS column in the events_statements_current table.'," + "SUM_WARNINGS BIGINT unsigned not null comment 'Sum of the WARNINGS column in the events_statements_current table.'," + "SUM_ROWS_AFFECTED BIGINT unsigned not null comment 'Sum of the ROWS_AFFECTED column in the events_statements_current table.'," + "SUM_ROWS_SENT BIGINT unsigned not null comment 'Sum of the ROWS_SENT column in the events_statements_current table.'," + "SUM_ROWS_EXAMINED BIGINT unsigned not null comment 'Sum of the ROWS_EXAMINED column in the events_statements_current table.'," + "SUM_CREATED_TMP_DISK_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_DISK_TABLES column in the events_statements_current table.'," + "SUM_CREATED_TMP_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_TABLES column in the events_statements_current table.'," + "SUM_SELECT_FULL_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_JOIN column in the events_statements_current table.'," + "SUM_SELECT_FULL_RANGE_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_RANGE_JOIN column in the events_statements_current table.'," + "SUM_SELECT_RANGE BIGINT unsigned not null comment 'Sum of the SELECT_RANGE column in the events_statements_current table.'," + "SUM_SELECT_RANGE_CHECK BIGINT unsigned not null comment 'Sum of the SELECT_RANGE_CHECK column in the events_statements_current table.'," + "SUM_SELECT_SCAN BIGINT unsigned not null comment 'Sum of the SELECT_SCAN column in the events_statements_current table.'," + "SUM_SORT_MERGE_PASSES BIGINT unsigned not null comment 'Sum of the SORT_MERGE_PASSES column in the events_statements_current table.'," + "SUM_SORT_RANGE BIGINT unsigned not null comment 'Sum of the SORT_RANGE column in the events_statements_current table.'," + "SUM_SORT_ROWS BIGINT unsigned not null comment 'Sum of the SORT_ROWS column in the events_statements_current table.'," + "SUM_SORT_SCAN BIGINT unsigned not null comment 'Sum of the SORT_SCAN column in the events_statements_current table.'," + "SUM_NO_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_INDEX_USED column in the events_statements_current table.'," + "SUM_NO_GOOD_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_GOOD_INDEX_USED column in the events_statements_current table.'," + "FIRST_SEEN TIMESTAMP(0) NOT NULL default 0 comment 'Time at which the digest was first seen.'," + "LAST_SEEN TIMESTAMP(0) NOT NULL default 0 comment 'Time at which the digest was most recently seen.')") }, + false, /* m_perpetual */ + false, /* m_optional */ + &m_share_state +}; + +PFS_engine_table* +table_esms_by_digest::create(void) +{ + return new table_esms_by_digest(); +} + +int +table_esms_by_digest::delete_all_rows(void) +{ + reset_esms_by_digest(); + return 0; +} + +ha_rows +table_esms_by_digest::get_row_count(void) +{ + return digest_max; +} + +table_esms_by_digest::table_esms_by_digest() + : PFS_engine_table(&m_share, &m_pos), + m_row_exists(false), m_pos(0), m_next_pos(0) +{} + +void table_esms_by_digest::reset_position(void) +{ + m_pos= 0; + m_next_pos= 0; +} + +int table_esms_by_digest::rnd_next(void) +{ + PFS_statements_digest_stat* digest_stat; + + if (statements_digest_stat_array == NULL) + return HA_ERR_END_OF_FILE; + + for (m_pos.set_at(&m_next_pos); + m_pos.m_index < digest_max; + m_pos.next()) + { + digest_stat= &statements_digest_stat_array[m_pos.m_index]; + if (digest_stat->m_lock.is_populated()) + { + if (digest_stat->m_first_seen != 0) + { + make_row(digest_stat); + m_next_pos.set_after(&m_pos); + return 0; + } + } + } + + return HA_ERR_END_OF_FILE; +} + +int +table_esms_by_digest::rnd_pos(const void *pos) +{ + PFS_statements_digest_stat* digest_stat; + + if (statements_digest_stat_array == NULL) + return HA_ERR_END_OF_FILE; + + set_position(pos); + digest_stat= &statements_digest_stat_array[m_pos.m_index]; + + if (digest_stat->m_lock.is_populated()) + { + if (digest_stat->m_first_seen != 0) + { + make_row(digest_stat); + return 0; + } + } + + return HA_ERR_RECORD_DELETED; +} + + +void table_esms_by_digest::make_row(PFS_statements_digest_stat* digest_stat) +{ + m_row_exists= false; + m_row.m_first_seen= digest_stat->m_first_seen; + m_row.m_last_seen= digest_stat->m_last_seen; + m_row.m_digest.make_row(digest_stat); + + /* + Get statements stats. + */ + time_normalizer *normalizer= time_normalizer::get(statement_timer); + m_row.m_stat.set(normalizer, & digest_stat->m_stat); + + m_row_exists= true; +} + +int table_esms_by_digest +::read_row_values(TABLE *table, unsigned char *buf, Field **fields, + bool read_all) +{ + Field *f; + + if (unlikely(! m_row_exists)) + return HA_ERR_RECORD_DELETED; + + /* + Set the null bits. It indicates how many fields could be null + in the table. + */ + assert(table->s->null_bytes == 1); + buf[0]= 0; + + for (; (f= *fields) ; fields++) + { + if (read_all || bitmap_is_set(table->read_set, f->field_index)) + { + switch(f->field_index) + { + case 0: /* SCHEMA_NAME */ + case 1: /* DIGEST */ + case 2: /* DIGEST_TEXT */ + m_row.m_digest.set_field(f->field_index, f); + break; + case 27: /* FIRST_SEEN */ + set_field_timestamp(f, m_row.m_first_seen); + break; + case 28: /* LAST_SEEN */ + set_field_timestamp(f, m_row.m_last_seen); + break; + default: /* 3, ... COUNT/SUM/MIN/AVG/MAX */ + m_row.m_stat.set_field(f->field_index - 3, f); + break; + } + } + } + + return 0; +} + |