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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:04:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:04:16 +0000 |
commit | a68fb2d8219f6bccc573009600e9f23e89226a5e (patch) | |
tree | d742d35d14ae816e99293d2b01face30e9f3a46b /storage/perfschema/table_prepared_stmt_instances.h | |
parent | Initial commit. (diff) | |
download | mariadb-10.6-upstream.tar.xz mariadb-10.6-upstream.zip |
Adding upstream version 1:10.6.11.upstream/1%10.6.11upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/table_prepared_stmt_instances.h')
-rw-r--r-- | storage/perfschema/table_prepared_stmt_instances.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/storage/perfschema/table_prepared_stmt_instances.h b/storage/perfschema/table_prepared_stmt_instances.h new file mode 100644 index 00000000..e7afe5d4 --- /dev/null +++ b/storage/perfschema/table_prepared_stmt_instances.h @@ -0,0 +1,133 @@ +/* Copyright (c) 2014, 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, Suite 500, Boston, MA 02110-1335 USA */ + +#ifndef TABLE_PREPARED_STMT_INSTANCES +#define TABLE_PREPARED_STMT_INSTANCES + +/** + @file storage/perfschema/table_prepared_stmt_instances.h + Table PREPARED_STATEMENT_INSTANCE(declarations). +*/ + +#include "table_helper.h" +#include "pfs_prepared_stmt.h" + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** + A row of table + PERFORMANCE_SCHEMA.PREPARED_STATEMENT_INSTANCES. +*/ +struct row_prepared_stmt_instances +{ + /** Column OBJECT_INSTANCE_BEGIN. */ + const void *m_identity; + + /** Column STMT_ID. */ + ulonglong m_stmt_id; + + /** Column STMT_NAME. */ + char m_stmt_name[COL_INFO_SIZE]; + int m_stmt_name_length; + + /** Column SQL_TEXT. */ + char m_sql_text[COL_INFO_SIZE]; + int m_sql_text_length; + + /** Column OWNER_THREAD_ID. */ + ulonglong m_owner_thread_id; + + /** Column OWNER_EVENT_ID. */ + ulonglong m_owner_event_id; + + /** Column OWNER_OBJECT_TYPE. */ + enum_object_type m_owner_object_type; + + /** Column OWNER_OBJECT_SCHEMA */ + char m_owner_object_schema[COL_OBJECT_SCHEMA_SIZE]; + int m_owner_object_schema_length; + + /** Column OWNER_OBJECT_NAME */ + char m_owner_object_name[COL_OBJECT_NAME_SIZE]; + int m_owner_object_name_length; + + /** Columns TIMER_PREPARE. */ + PFS_stat_row m_prepare_stat; + + /** Columns COUNT_REPREPARE. */ + PFS_stat_row m_reprepare_stat; + + /** Columns COUNT_STAR...SUM_NO_GOOD_INDEX_USED. */ + PFS_statement_stat_row m_execute_stat; +}; + +/** Table PERFORMANCE_SCHEMA.PREPARED_STATEMENT_INSTANCES. */ +class table_prepared_stmt_instances : public PFS_engine_table +{ +public: + static PFS_engine_table_share_state m_share_state; + /** Table share */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static int delete_all_rows(); + static ha_rows get_row_count(); + + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +protected: + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_prepared_stmt_instances(); + +public: + ~table_prepared_stmt_instances() + {} + +protected: + void make_row(PFS_prepared_stmt*); + +private: + /** Table share lock. */ + static THR_LOCK m_table_lock; + /** Fields definition. */ + static TABLE_FIELD_DEF m_field_def; + + /** Current row. */ + row_prepared_stmt_instances m_row; + /** True is the current row exists. */ + bool m_row_exists; + /** Current position. */ + PFS_simple_index m_pos; + /** Next position. */ + PFS_simple_index m_next_pos; +}; + +/** @} */ +#endif |