Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/storage/perfschema/table_esms_by_digest.h b/storage/perfschema/table_esms_by_digest.h
new file mode 100644
index 00000000..4711ffc5
--- /dev/null
+++ b/storage/perfschema/table_esms_by_digest.h
@@ -0,0 +1,101 @@
+/* Copyright (c) 2010, 2023, 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 */
+
+#ifndef TABLE_ESMS_BY_DIGEST_H
+#define TABLE_ESMS_BY_DIGEST_H
+
+/**
+  @file storage/perfschema/table_esms_by_digest.h
+  Table EVENTS_STATEMENTS_SUMMARY_BY_DIGEST (declarations).
+*/
+
+#include "table_helper.h"
+#include "pfs_digest.h"
+
+/**
+  @addtogroup Performance_schema_tables
+  @{
+*/
+
+/**
+  A row of table
+  PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_DIGEST.
+*/
+struct row_esms_by_digest
+{
+  /** Columns DIGEST/DIGEST_TEXT. */
+  PFS_digest_row m_digest;
+
+  /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */
+  PFS_statement_stat_row m_stat;
+
+  /** Column FIRST_SEEN. */
+  ulonglong m_first_seen;
+  /** Column LAST_SEEN. */
+  ulonglong m_last_seen;
+};
+
+/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_DIGEST. */
+class table_esms_by_digest : 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_esms_by_digest();
+
+public:
+  ~table_esms_by_digest() = default;
+
+protected:
+  void make_row(PFS_statements_digest_stat*);
+
+private:
+  /** Table share lock. */
+  static THR_LOCK m_table_lock;
+
+  /** Current row. */
+  row_esms_by_digest 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