table_esms_by_program.h

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#ifndef TABLE_ESMS_BY_PROGRAM_H
#define TABLE_ESMS_BY_PROGRAM_H
 
/**
  @file storage/perfschema/table_esms_by_program.h
  Table EVENTS_STATEMENTS_SUMMARY_BY_PROGRAM (declarations).
*/
 
#include <sys/types.h>
 
#include "storage/perfschema/pfs_program.h"
#include "storage/perfschema/table_helper.h"
 
/**
  @addtogroup performance_schema_tables
  @{
*/
 
class PFS_index_esms_by_program : public PFS_engine_index {
 public:
  PFS_index_esms_by_program()
      : PFS_engine_index(&m_key_1, &m_key_2, &m_key_3),
        m_key_1("OBJECT_TYPE"),
        m_key_2("OBJECT_SCHEMA"),
        m_key_3("OBJECT_NAME") {}
 
  ~PFS_index_esms_by_program() override = default;
 
  virtual bool match(PFS_program *pfs);
 
 private:
  PFS_key_object_type_enum m_key_1;
  PFS_key_object_schema m_key_2;
  PFS_key_object_name m_key_3;
};
 
/**
  A row of table
  PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_PROGRAM.
*/
struct row_esms_by_program {
  /** Column OBJECT_TYPE. */
  enum_object_type m_object_type;
  /** Column OBJECT_SCHEMA. */
  PFS_schema_name m_schema_name;
  /** Column OBJECT_NAME. */
  PFS_routine_name m_object_name;
 
  /**
    Columns COUNT_STAR
            SUM_TIMER_WAIT
            MIN_TIMER_WAIT
            AVG_TIMER_WAIT
            MAX_TIMER_WAIT
  */
  PFS_sp_stat_row m_sp_stat;
 
  /** Columns COUNT_STATEMENTS,SUM_STATEMENTS_WAIT...SUM_NO_GOOD_INDEX_USED. */
  PFS_statement_stat_row m_stmt_stat;
};
 
/** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_PROGRAM. */
class table_esms_by_program : public PFS_engine_table {
 public:
  /** Table share */
  static PFS_engine_table_share m_share;
  static PFS_engine_table *create(PFS_engine_table_share *);
  static int delete_all_rows();
  static ha_rows get_row_count();
 
  void reset_position() override;
 
  int rnd_next() override;
  int rnd_pos(const void *pos) override;
 
  int index_init(uint idx, bool sorted) override;
  int index_next() override;
 
 protected:
  int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
                      bool read_all) override;
 
  table_esms_by_program();
 
 public:
  ~table_esms_by_program() override = default;
 
 protected:
  int make_row(PFS_program *);
 
 private:
  /** Table share lock. */
  static THR_LOCK m_table_lock;
  /** Table definition. */
  static Plugin_table m_table_def;
 
  /** Current row. */
  row_esms_by_program m_row;
  /** Current position. */
  PFS_simple_index m_pos;
  /** Next position. */
  PFS_simple_index m_next_pos;
 
  PFS_index_esms_by_program *m_opened_index;
};
 
/** @} */
#endif