diff options
Diffstat (limited to 'storage/perfschema/table_esms_by_digest.cc')
| -rw-r--r-- | storage/perfschema/table_esms_by_digest.cc | 325 |
1 files changed, 325 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 00000000000..dac8d3b01dc --- /dev/null +++ b/storage/perfschema/table_esms_by_digest.cc @@ -0,0 +1,325 @@ +/* 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +/** + @file storage/perfschema/table_esms_by_digest.cc + Table EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_DIGEST (implementation). +*/ + +#include "my_global.h" +#include "my_pthread.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" + +THR_LOCK table_esms_by_digest::m_table_lock; + +static const TABLE_FIELD_TYPE field_types[]= +{ + { + { 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= +{ 28, 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, + NULL, /* get_row_count */ + 1000, /* records */ + sizeof(PFS_simple_index), + &m_table_lock, + &m_field_def, + false /* checked */ +}; + +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; +} + +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_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_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. + */ + DBUG_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: /* DIGEST */ + case 1: /* DIGEST_TEXT */ + m_row.m_digest.set_field(f->field_index, f); + break; + case 26: /* FIRST_SEEN */ + set_field_timestamp(f, m_row.m_first_seen); + break; + case 27: /* LAST_SEEN */ + set_field_timestamp(f, m_row.m_last_seen); + break; + default: /* 1, ... COUNT/SUM/MIN/AVG/MAX */ + m_row.m_stat.set_field(f->field_index - 2, f); + break; + } + } + } + + return 0; +} + |