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- /* Copyright (c) 2010, 2021, 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 02110-1301, 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;
-
- static const TABLE_FIELD_TYPE field_types[]=
- {
- {
- { C_STRING_WITH_LEN("SCHEMA_NAME") },
- { C_STRING_WITH_LEN("varchar(64)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("DIGEST") },
- { C_STRING_WITH_LEN("varchar(32)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("DIGEST_TEXT") },
- { C_STRING_WITH_LEN("longtext") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("COUNT_STAR") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_TIMER_WAIT") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("MIN_TIMER_WAIT") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("AVG_TIMER_WAIT") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("MAX_TIMER_WAIT") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_LOCK_TIME") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_ERRORS") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_WARNINGS") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_ROWS_AFFECTED") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_ROWS_SENT") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_ROWS_EXAMINED") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_CREATED_TMP_DISK_TABLES") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_CREATED_TMP_TABLES") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SELECT_FULL_JOIN") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SELECT_FULL_RANGE_JOIN") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SELECT_RANGE") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SELECT_RANGE_CHECK") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SELECT_SCAN") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SORT_MERGE_PASSES") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SORT_RANGE") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SORT_ROWS") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_SORT_SCAN") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_NO_INDEX_USED") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("SUM_NO_GOOD_INDEX_USED") },
- { C_STRING_WITH_LEN("bigint(20)") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("FIRST_SEEN") },
- { C_STRING_WITH_LEN("timestamp") },
- { NULL, 0}
- },
- {
- { C_STRING_WITH_LEN("LAST_SEEN") },
- { C_STRING_WITH_LEN("timestamp") },
- { NULL, 0}
- }
- };
-
- TABLE_FIELD_DEF
- table_esms_by_digest::m_field_def=
- { 29, field_types };
-
- 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,
- &m_field_def,
- false, /* checked */
- false /* perpetual */
- };
-
- 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;
- }
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