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Viewing changes to drizzled/session.h

  • Committer: Brian Aker
  • Date: 2010-05-21 06:06:10 UTC
  • mfrom: (1537.2.3 status_var_changes)
  • Revision ID: brian@gaz-20100521060610-2n0zkhk6yvfjdta4
Merge Joe, stats.

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drizzled/session.h
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#include <drizzled/sql_error.h>
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#include <drizzled/file_exchange.h>
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#include <drizzled/select_result_interceptor.h>
 
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#include <drizzled/statistics_variables.h>
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#include <drizzled/xid.h>
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#include "drizzled/query_id.h"
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#include "drizzled/named_savepoint.h"
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namespace drizzled
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{
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/**
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 * Per-session local status counters
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 */
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typedef struct system_status_var
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{
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  uint64_t bytes_received;
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  uint64_t bytes_sent;
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  ulong com_other;
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  ulong created_tmp_disk_tables;
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  ulong created_tmp_tables;
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  ulong ha_commit_count;
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  ulong ha_delete_count;
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  ulong ha_read_first_count;
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  ulong ha_read_last_count;
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  ulong ha_read_key_count;
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  ulong ha_read_next_count;
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  ulong ha_read_prev_count;
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  ulong ha_read_rnd_count;
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  ulong ha_read_rnd_next_count;
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  ulong ha_rollback_count;
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  ulong ha_update_count;
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  ulong ha_write_count;
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  ulong ha_prepare_count;
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  ulong ha_savepoint_count;
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  ulong ha_savepoint_rollback_count;
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  /* KEY_CACHE parts. These are copies of the original */
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  ulong key_blocks_changed;
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  ulong key_blocks_used;
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  ulong key_cache_r_requests;
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  ulong key_cache_read;
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  ulong key_cache_w_requests;
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  ulong key_cache_write;
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  /* END OF KEY_CACHE parts */
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  ulong net_big_packet_count;
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  ulong select_full_join_count;
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  ulong select_full_range_join_count;
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  ulong select_range_count;
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  ulong select_range_check_count;
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  ulong select_scan_count;
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  ulong long_query_count;
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  ulong filesort_merge_passes;
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  ulong filesort_range_count;
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  ulong filesort_rows;
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  ulong filesort_scan_count;
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  /*
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    Number of statements sent from the client
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  */
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  ulong questions;
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  /*
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    IMPORTANT!
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    SEE last_system_status_var DEFINITION BELOW.
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    Below 'last_system_status_var' are all variables which doesn't make any
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    sense to add to the /global/ status variable counter.
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  */
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  double last_query_cost;
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} system_status_var;
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/*
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  This is used for 'SHOW STATUS'. It must be updated to the last ulong
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  variable in system_status_var which is makes sens to add to the global
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  counter
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*/
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#define last_system_status_var questions
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void mark_transaction_to_rollback(Session *session, bool all);
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extern pthread_mutex_t LOCK_xid_cache;
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extern HASH xid_cache;
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/**
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  Storage engine specific thread local data.
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*/