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  • Committer: patrick crews
  • Date: 2011-01-30 23:02:12 UTC
  • mto: This revision was merged to the branch mainline in revision 2131.
  • Revision ID: gleebix@gmail.com-20110130230212-nnts892jsc0oiurv
Added initial docs for dbqp.py

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plugin/innobase/srv/srv0srv.cc
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/* Dummy comment */
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#include "srv0srv.h"
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#include <drizzled/error.h>
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#include <drizzled/errmsg_print.h>
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#include "ut0mem.h"
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#include "ut0ut.h"
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#include "os0proc.h"
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#ifdef UNIV_PFS_MUTEX
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/* Key to register kernel_mutex with performance schema */
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UNIV_INTERN mysql_pfs_key_t     kernel_mutex_key;
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/* Key to protect writing the commit_id to the sys header */
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UNIV_INTERN mysql_pfs_key_t     commit_id_mutex_key;
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/* Key to register srv_innodb_monitor_mutex with performance schema */
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UNIV_INTERN mysql_pfs_key_t     srv_innodb_monitor_mutex_key;
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/* Key to register srv_monitor_file_mutex with performance schema */
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UNIV_INTERN byte        srv_pad1[64];
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/* mutex protecting the server, trx structs, query threads, and lock table */
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UNIV_INTERN mutex_t*    kernel_mutex_temp;
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/* mutex protecting the sys header for writing the commit id */
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UNIV_INTERN mutex_t*    commit_id_mutex_temp;
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/* padding to prevent other memory update hotspots from residing on
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the same memory cache line */
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UNIV_INTERN byte        srv_pad2[64];
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        kernel_mutex_temp = static_cast<ib_mutex_t *>(mem_alloc(sizeof(mutex_t)));
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        mutex_create(kernel_mutex_key, &kernel_mutex, SYNC_KERNEL);
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        commit_id_mutex_temp = static_cast<ib_mutex_t *>(mem_alloc(sizeof(mutex_t)));
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        mutex_create(commit_id_mutex_key, &commit_id_mutex, SYNC_COMMIT_ID_LOCK);
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        mutex_create(srv_innodb_monitor_mutex_key,
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                     &srv_innodb_monitor_mutex, SYNC_NO_ORDER_CHECK);
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        mem_free(srv_mysql_table);
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        srv_mysql_table = NULL;
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        mem_free(commit_id_mutex_temp);
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        commit_id_mutex_temp = NULL;
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        trx_i_s_cache_free(trx_i_s_cache);
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}
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        new_lsn = log_get_lsn();
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        if (new_lsn < old_lsn) {
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          drizzled::errmsg_printf(drizzled::error::INFO,
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                                  "InnoDB: Error: old log sequence number %"PRIu64" was greater than the new log sequence number %"PRIu64"!"
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                                  "InnoDB: Please submit a bug report to http://bugs.launchpad.net/drizzle",
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                                  old_lsn, new_lsn);
 
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                ut_print_timestamp(stderr);
 
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                fprintf(stderr,
 
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                        "  InnoDB: Error: old log sequence number %"PRIu64""
 
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                        " was greater\n"
 
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                        "InnoDB: than the new log sequence number %"PRIu64"!\n"
 
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                        "InnoDB: Please submit a bug report"
 
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                        " to http://bugs.mysql.com\n",
 
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                        old_lsn, new_lsn);
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        }
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        old_lsn = new_lsn;